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[bgp-stats] Routing Table Report - Oregon IX view



Routing Table Report   00:00 GMT Mon 15 Oct, 2007

NB: RouteViews data includes iBGP information from some ASNs.
    Treat the information provided below appropriately.

Report Website: http://thyme.apnic.net
This report:    http://thyme.apnic.net/oix-data/2007/10/15

Analysis Summary
----------------

BGP routing table entries examined:                              240877
    Prefixes after maximum aggregation:                          122435
    Deaggregation factor:                                          1.97
    Unique aggregates announced to Internet:                     114292
Total ASes present in the Internet Routing Table:                 26480
    Prefixes per ASN:                                              9.10
Origin-only ASes present in the Internet Routing Table:           22955
Origin ASes announcing only one prefix:                           11187
Transit ASes present in the Internet Routing Table:                3525
Transit-only ASes present in the Internet Routing Table:             77
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (35412)                               22
Prefixes from unregistered ASNs in the Routing Table:                50
    Unregistered ASNs in the Routing Table:                          18
Prefixes from 32-bit ASNs in the Routing Table:                       8
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1792792940
    Equivalent to 106 /8s, 219 /16s and 217 /24s
    Percentage of available address space announced:               48.4
    Percentage of allocated address space announced:               62.6
    Percentage of available address space allocated:               77.3
Total number of prefixes smaller than registry allocations:      111634

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    58218
    Total APNIC prefixes after maximum aggregation:               21267
    APNIC Deaggregation factor:                                    2.74
Prefixes being announced from the APNIC address blocks:           55047
    Unique aggregates announced from the APNIC address blocks:    22939
APNIC Region origin ASes present in the Internet Routing Table:    3086
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:                818
APNIC Region transit ASes present in the Internet Routing Table:    476
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              321269492
    Equivalent to 19 /8s, 38 /16s and 46 /24s
    Percentage of available APNIC address space announced:         79.6

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911
APNIC Address Blocks   58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
                       210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    112242
    Total ARIN prefixes after maximum aggregation:                63930
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            82730
    Unique aggregates announced from the ARIN address blocks:     32270
ARIN Region origin ASes present in the Internet Routing Table:    11935
    ARIN Prefixes per ASN:                                         6.93
ARIN Region origin ASes announcing only one prefix:                4586
ARIN Region transit ASes present in the Internet Routing Table:    1156
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          22
Number of ARIN addresses announced to Internet:               348696224
    Equivalent to 20 /8s, 200 /16s and 174 /24s
    Percentage of available ARIN address space announced:          77.0

ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959
ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     50209
    Total RIPE prefixes after maximum aggregation:                31584
    RIPE Deaggregation factor:                                     1.59
Prefixes being announced from the RIPE address blocks:            46662
    Unique aggregates announced from the RIPE address blocks:     30116
RIPE Region origin ASes present in the Internet Routing Table:    10299
    RIPE Prefixes per ASN:                                         4.53
RIPE Region origin ASes announcing only one prefix:                5439
RIPE Region transit ASes present in the Internet Routing Table:    1654
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE addresses announced to Internet:               330252960
    Equivalent to 19 /8s, 175 /16s and 66 /24s
    Percentage of available RIPE address space announced:          75.7

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055
RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   17347
    Total LACNIC prefixes after maximum aggregation:               4574
    LACNIC Deaggregation factor:                                   3.79
Prefixes being announced from the LACNIC address blocks:          15279
    Unique aggregates announced from the LACNIC address blocks:    8609
LACNIC Region origin ASes present in the Internet Routing Table:    874
    LACNIC Prefixes per ASN:                                      17.48
LACNIC Region origin ASes announcing only one prefix:               278
LACNIC Region transit ASes present in the Internet Routing Table:   156
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC addresses announced to Internet:              44428032
    Equivalent to 2 /8s, 165 /16s and 235 /24s
    Percentage of available LACNIC address space announced:        44.1

LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   2803
    Total AfriNIC prefixes after maximum aggregation:              1064
    AfriNIC Deaggregation factor:                                  2.63
Prefixes being announced from the AfriNIC address blocks:          2384
    Unique aggregates announced from the AfriNIC address blocks:   1375
AfriNIC Region origin ASes present in the Internet Routing Table:   208
    AfriNIC Prefixes per ASN:                                     11.46
AfriNIC Region origin ASes announcing only one prefix:               66
AfriNIC Region transit ASes present in the Internet Routing Table:   39
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC addresses announced to Internet:              7599104
    Equivalent to 0 /8s, 115 /16s and 244 /24s
    Percentage of available AfriNIC address space announced:       22.6

AfriNIC AS Blocks      36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 196/8

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4538     2757       2974          36   China Education and Research 
 4755     1442        383          67   Videsh Sanchar Nigam Ltd. Aut
 9583     1120         81         416   Sify Limited
 4134     1095      11484         297   CHINANET-BACKBONE
 9498     1009        550          67   BHARTI BT INTERNET LTD.
23577      926         34         792   Korea Telecom (ATM-MPLS)
17488      825         54          66   Hathway IP Over Cable Interne
 4766      811       5442         321   Korea Telecom (KIX)
 7545      736        159         118   TPG Internet Pty Ltd
18101      605        119          52   Reliance Infocom Ltd Internet
 1221      589       1950         434   Telstra Pty Ltd
 4802      575        132         144   Wantree Development
 4812      546        974          94   China Telecom (Shanghai)
 9829      530       1312           9   BSNL National Internet Backbo
 4668      518         68          10   LG-EDS Systems Inc.
17676      502      10903          63   Softbank BB Corp.
 4808      489        789         117   CNCGROUP IP network: China169
 7474      455        217         267   SingTel Optus Pty Ltd
 9443      455        121          73   Primus Telecommunications
 9942      419         74         109   COMindico Australia

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      474       1920         387   UUNET - Commercial IP service
24863      370         57          36   LINKdotNET AS number
 9116      358        168          27   Goldenlines main autonomous s
 8551      352        334          33   Bezeq International
 3320      314       6035         261   Deutsche Telekom AG
 3301      312       1441         289   TeliaNet Sweden
 6746      292        131         268   Dynamic Network Technologies,
 1273      274        306         104   Cable & Wireless Deutschland 
 8708      270        421         242   Romania Data Systems S.A.
  680      269       2045         257   DFN-IP service G-WiN
 8866      265         62          24   Bulgarian Telecommunication C
 3215      262       2480         100   France Telecom Transpac
 8220      255        444         236   COLT Telecommunications
 5089      236       1658          54   NTL Group Limited
 3352      231       1898          40   Ibernet, Internet Access Netw
 3269      224       2839          73   TELECOM ITALIA
 9121      213       1442          25   TTnet Autonomous System
 3300      208        172          99   AUCS Communications Services 
 1257      207       1195         171   SWIPnet Swedish IP Network
 2856      196       2303         155   BTnet UK Regional network

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1484      10235         991   AT&T WorldNet Services
 4323     1356       1006         360   Time Warner Telecom
 2386     1229        612         751   AT&T Data Communications Serv
11492     1158        114          14   Cable One 
 6478     1127        330         139   AT&T Worldnet Services 
 6197     1030        718         513   BellSouth Network Solutions, 
18566     1028        288           9   Covad Communications 
 7011      959        289         557   Citizens Utilities 
  174      952       6713         826   Cogent Communications
  701      873       6573         681   UUNET Technologies, Inc. 
20115      835        765         451   Charter Communications 
 1239      801       2705         560   Sprint 
22773      794       2133          54   Cox Communications, Inc.
19262      782       2823         180   Verizon Global Networks 
  577      715        845         203   Bell Advanced Communications 
  209      710       3769         555   Qwest 
 3356      677      10804         367   Level 3 Communications, LLC 
 5668      658        176          23   CenturyTel Internet Holdings,
  852      591       1077         357   Telus Advanced Communications
 6517      590        165          37   Yipes Communications, Inc. 

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 4755      1442        1375      Videsh Sanchar Nigam Ltd. Aut
11492      1158        1144      Cable One 
18566      1028        1019      Covad Communications 
 4323      1356         996      Time Warner Telecom
 6478      1127         988      AT&T Worldnet Services 
 9498      1009         942      BHARTI BT INTERNET LTD.
 8151      1030         825      UniNet S.A. de C.V. 
 4134      1095         798      CHINANET-BACKBONE
17488       825         759      Hathway IP Over Cable Interne
22773       794         740      Cox Communications, Inc.
 9583      1120         704      Sify Limited
 5668       658         635      CenturyTel Internet Holdings,
 7545       736         618      TPG Internet Pty Ltd
19262       782         602      Verizon Global Networks 
18101       605         553      Reliance Infocom Ltd Internet
 6517       590         553      Yipes Communications, Inc. 
15270       585         546      PaeTec.net -a division of Pae
 9829       530         521      BSNL National Internet Backbo
 6197      1030         517      BellSouth Network Solutions, 
19916       568         517      OLM LLC 

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
64250   RESERVED      59.144.44.0/24        9498       BHARTI BT INTERNET L
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
64250   RESERVED      122.167.64.0/19       9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.96.0/20       9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.112.0/21      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.176.0/21      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.188.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.192.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.196.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.200.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.204.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.208.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.212.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.216.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.220.0/22      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.240.0/23      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.242.0/23      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.244.0/23      9498       BHARTI BT INTERNET L
64250   RESERVED      122.167.246.0/23      9498       BHARTI BT INTERNET L
64250   RESERVED      122.171.0.0/24        9498       BHARTI BT INTERNET L
64250   RESERVED      122.171.1.0/24        9498       BHARTI BT INTERNET L
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65100   PRIVATE       193.253.152.0/24      3215       France Telecom Trans
64513   PRIVATE       194.149.101.192/28    6721       The Terminal Bar: In
64527   PRIVATE       194.149.115.64/28     6721       The Terminal Bar: In
64532   PRIVATE       195.22.48.64/27       6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.160/27      6721       The Terminal Bar: In
64519   PRIVATE       195.47.33.192/28      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/26      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.128/25      6721       The Terminal Bar: In
64513   PRIVATE       195.47.40.192/26      6721       The Terminal Bar: In
64540   PRIVATE       195.47.75.48/28       6721       The Terminal Bar: In
64540   PRIVATE       195.47.75.64/28       6721       The Terminal Bar: In
64516   PRIVATE       195.47.88.128/25      6721       The Terminal Bar: In
65000   PRIVATE       195.47.102.0/25       6721       The Terminal Bar: In
65517   PRIVATE       198.32.176.0/24        293       Energy Sciences Netw
65002   PRIVATE       198.128.4.0/24         292       Energy Sciences Netw
65001   PRIVATE       198.128.15.96/27       293       Energy Sciences Netw
65002   PRIVATE       198.129.33.36/32       292       Energy Sciences Netw
65001   PRIVATE       198.129.44.28/32       293       Energy Sciences Netw
65002   PRIVATE       198.129.224.96/29      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.32/30      292       Energy Sciences Netw
65002   PRIVATE       198.129.252.112/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.116/30     292       Energy Sciences Netw
65002   PRIVATE       198.129.252.120/30     292       Energy Sciences Netw
65000   PRIVATE       216.136.11.0/24      27182       Peregrine Capital Ma
64512   PRIVATE       217.134.164.0/22      5428       Energis Communicatio
64512   PRIVATE       217.134.168.0/21      5428       Energis Communicatio
64512   PRIVATE       217.134.176.0/21      5428       Energis Communicatio
64512   PRIVATE       217.134.184.0/22      5428       Energis Communicatio

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
192.0.2.0/24          2854     RoSprint AS (Global One Russi
192.168.253.0/24      4323     Time Warner Telecom

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
101.13.13.0/24        8764     LIETUVOS-TELEKOMAS Autonomous
132.0.0.0/10           721     DLA Systems Automation Center
137.0.0.0/13           721     DLA Systems Automation Center
158.0.0.0/13           721     DLA Systems Automation Center
172.11.12.0/24        1803     SPRINT 
172.33.1.0/24         7018     AT&T WorldNet Services
192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
192.44.0.0/24         5501     Fraunhofer Gesellschaft
192.44.0.0/19          702     UUNET - Commercial IP service
192.70.164.0/24      25689     National Research Council of 
192.153.136.0/21       721     DLA Systems Automation Center
192.172.0.0/19         721     DLA Systems Automation Center

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:19       /9:9       /10:16      /11:37      /12:135     
/13:271     /14:483     /15:943     /16:9770    /17:4206    /18:6823    
/19:14667   /20:17575   /21:15687   /22:20072   /23:20967   /24:125738  
/25:912     /26:1125    /27:627     /28:263     /29:195     /30:266     
/31:0       /32:71      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
11492     1150          1158      Cable One 
 6478     1126          1127      AT&T Worldnet Services 
18566     1010          1028      Covad Communications 
 9583      964          1120      Sify Limited
 4538      926          2757      China Education and Research 
 2386      921          1229      AT&T Data Communications Serv
23577      917           926      Korea Telecom (ATM-MPLS)
 7011      846           959      Citizens Utilities 
 7018      816          1484      AT&T WorldNet Services
 4755      812          1442      Videsh Sanchar Nigam Ltd. Aut
 6197      774          1030      BellSouth Network Solutions, 
 9498      692          1009      BHARTI BT INTERNET LTD.
17488      644           825      Hathway IP Over Cable Interne
 4766      609           811      Korea Telecom (KIX)
 4323      577          1356      Time Warner Telecom
19916      563           568      OLM LLC 
15270      548           585      PaeTec.net -a division of Pae
 6517      544           590      Yipes Communications, Inc. 
 5668      518           658      CenturyTel Internet Holdings,
 4668      508           518      LG-EDS Systems Inc.

Number of /24s announced per /8 block (Global)
----------------------------------------------

   4:8         8:88       12:1813     13:1        15:20       16:3      
  17:5        18:13       20:36       24:1003     25:1        32:177    
  33:3        38:355      40:64       41:329      43:6        44:2      
  47:8        52:3        55:3        56:3        57:42       58:498    
  59:425      60:377      61:988      62:979      63:1998     64:3311   
  65:2441     66:3557     67:844      68:680      69:2000     70:476    
  71:125      72:1421     73:6        74:716      75:307      76:147    
  77:390      78:243      79:5        80:871      81:786      82:598    
  83:375      84:645      85:833      86:348      87:560      88:285    
  89:1026     90:37       91:625      96:1        97:6        98:4      
 101:1       116:375     117:198     118:39      121:321     122:613    
 123:203     124:685     125:1033    128:274     129:196     130:137    
 131:369     132:60      133:9       134:193     135:34      136:188    
 137:87      138:156     139:107     140:416     141:171     142:381    
 143:253     144:319     145:46      146:334     147:130     148:543    
 149:188     150:112     151:157     152:92      153:121     154:12     
 155:256     156:161     157:221     158:159     159:197     160:135    
 161:101     162:181     163:183     164:500     165:399     166:302    
 167:305     168:496     169:125     170:397     171:22      172:3      
 189:92      190:1120    192:5783    193:3975    194:3283    195:2571   
 196:1020    198:3885    199:3243    200:5219    201:1223    202:7808   
 203:7962    204:3997    205:2018    206:2487    207:2882    208:2907   
 209:3513    210:2765    211:1212    212:1301    213:1525    214:410    
 215:45      216:4102    217:1210    218:387     219:453     220:1002   
 221:416     222:306    

End of report