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



Routing Table Report   00:00 GMT Sat 20 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/2007/10/20

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

BGP routing table entries examined:                              241285
    Prefixes after maximum aggregation:                          122605
    Deaggregation factor:                                          1.97
    Unique aggregates announced to Internet:                     114595
Total ASes present in the Internet Routing Table:                 26501
    Prefixes per ASN:                                              9.10
Origin-only ASes present in the Internet Routing Table:           23106
Origin ASes announcing only one prefix:                           11178
Transit ASes present in the Internet Routing Table:                3395
Transit-only ASes present in the Internet Routing Table:             73
Average AS path length visible in the Internet Routing Table:       2.8
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                43
    Unregistered ASNs in the Routing Table:                          12
Prefixes from 32-bit ASNs in the Routing Table:                       8
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:             10
Number of addresses announced to Internet:                   1797762876
    Equivalent to 107 /8s, 39 /16s and 175 /24s
    Percentage of available address space announced:               48.5
    Percentage of allocated address space announced:               62.8
    Percentage of available address space allocated:               77.3
Total number of prefixes smaller than registry allocations:      111846

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

Prefixes being announced by APNIC Region ASes:                    58169
    Total APNIC prefixes after maximum aggregation:               21267
    APNIC Deaggregation factor:                                    2.74
Prefixes being announced from the APNIC address blocks:           54991
    Unique aggregates announced from the APNIC address blocks:    22940
APNIC Region origin ASes present in the Internet Routing Table:    3057
    APNIC Prefixes per ASN:                                       17.99
APNIC Region origin ASes announcing only one prefix:                796
APNIC Region transit ASes present in the Internet Routing Table:    464
Average APNIC Region AS path length visible:                        3.2
    Max APNIC Region AS path length visible:                         15
Number of APNIC addresses announced to Internet:              322032340
    Equivalent to 19 /8s, 49 /16s and 210 /24s
    Percentage of available APNIC address space announced:         79.8

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:                    112507
    Total ARIN prefixes after maximum aggregation:                64036
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            82926
    Unique aggregates announced from the ARIN address blocks:     32355
ARIN Region origin ASes present in the Internet Routing Table:    11911
    ARIN Prefixes per ASN:                                         6.96
ARIN Region origin ASes announcing only one prefix:                4558
ARIN Region transit ASes present in the Internet Routing Table:    1099
Average ARIN Region AS path length visible:                         2.6
    Max ARIN Region AS path length visible:                          14
Number of ARIN addresses announced to Internet:               349328672
    Equivalent to 20 /8s, 210 /16s and 85 /24s
    Percentage of available ARIN address space announced:          77.1

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:                     50319
    Total RIPE prefixes after maximum aggregation:                31659
    RIPE Deaggregation factor:                                     1.59
Prefixes being announced from the RIPE address blocks:            46781
    Unique aggregates announced from the RIPE address blocks:     30216
RIPE Region origin ASes present in the Internet Routing Table:    10375
    RIPE Prefixes per ASN:                                         4.51
RIPE Region origin ASes announcing only one prefix:                5477
RIPE Region transit ASes present in the Internet Routing Table:    1615
Average RIPE Region AS path length visible:                         3.0
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               333631520
    Equivalent to 19 /8s, 226 /16s and 208 /24s
    Percentage of available RIPE address space announced:          76.5

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:                   17432
    Total LACNIC prefixes after maximum aggregation:               4564
    LACNIC Deaggregation factor:                                   3.82
Prefixes being announced from the LACNIC address blocks:          15449
    Unique aggregates announced from the LACNIC address blocks:    8632
LACNIC Region origin ASes present in the Internet Routing Table:    873
    LACNIC Prefixes per ASN:                                      17.70
LACNIC Region origin ASes announcing only one prefix:               280
LACNIC Region transit ASes present in the Internet Routing Table:   150
Average LACNIC Region AS path length visible:                       3.0
    Max LACNIC Region AS path length visible:                        18
Number of LACNIC addresses announced to Internet:              44492288
    Equivalent to 2 /8s, 166 /16s and 230 /24s
    Percentage of available LACNIC address space announced:        44.2

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:                   2807
    Total AfriNIC prefixes after maximum aggregation:              1063
    AfriNIC Deaggregation factor:                                  2.64
Prefixes being announced from the AfriNIC address blocks:          2382
    Unique aggregates announced from the AfriNIC address blocks:   1382
AfriNIC Region origin ASes present in the Internet Routing Table:   211
    AfriNIC Prefixes per ASN:                                     11.29
AfriNIC Region origin ASes announcing only one prefix:               67
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              7624960
    Equivalent to 0 /8s, 116 /16s and 89 /24s
    Percentage of available AfriNIC address space announced:       22.7

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     2760       2974          36   China Education and Research 
 4755     1471        383          67   Videsh Sanchar Nigam Ltd. Aut
 9583     1119         81         419   Sify Limited
 4134     1100      11540         300   CHINANET-BACKBONE
 9498     1009        550          68   BHARTI BT INTERNET LTD.
23577      925         34         791   Korea Telecom (ATM-MPLS)
17488      850         55          63   Hathway IP Over Cable Interne
 4766      809       5442         321   Korea Telecom (KIX)
 7545      736        159         120   TPG Internet Pty Ltd
18101      606        119          52   Reliance Infocom Ltd Internet
 1221      591       1950         435   Telstra Pty Ltd
 4802      572        133         141   Wantree Development
 9829      530       1312           9   BSNL National Internet Backbo
 4812      523        858          76   China Telecom (Shanghai)
 4668      518         68          10   LG-EDS Systems Inc.
17676      502      10903          63   Softbank BB Corp.
 4808      493        792         119   CNCGROUP IP network: China169
 7474      456        218         268   SingTel Optus Pty Ltd
 9443      442        121          74   Primus Telecommunications
 9942      420         74         110   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      372         58          36   LINKdotNET AS number
 8551      347        334          33   Bezeq International
 9116      339        168          27   Goldenlines main autonomous s
 3301      316       1441         293   TeliaNet Sweden
 3320      314       6035         261   Deutsche Telekom AG
 6746      277        129         253   Dynamic Network Technologies,
 1273      276        306         103   Cable & Wireless Deutschland 
 8708      271        421         243   Romania Data Systems S.A.
  680      269       2045         257   DFN-IP service G-WiN
 8866      265         62          24   Bulgarian Telecommunication C
 3215      263       2488          99   France Telecom Transpac
 8220      256        444         237   COLT Telecommunications
 5089      236       1658          54   NTL Group Limited
 3352      232       1914          41   Ibernet, Internet Access Netw
 3269      228       2935          75   TELECOM ITALIA
 9121      213       1442          25   TTnet Autonomous System
 3300      210        172          99   AUCS Communications Services 
 1257      205       1194         176   SWIPnet Swedish IP Network
 3246      197        257         184   Song Networks

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1494      10252         996   AT&T WorldNet Services
 4323     1366       1006         360   Time Warner Telecom
 2386     1236        627         745   AT&T Data Communications Serv
11492     1155        116          16   Cable One 
 6478     1117        329         169   AT&T Worldnet Services 
 6197     1030        718         513   BellSouth Network Solutions, 
18566     1028        288           9   Covad Communications 
  174      982       6786         844   Cogent Communications
 7011      961        290         558   Citizens Utilities 
  701      881       6576         690   UUNET Technologies, Inc. 
20115      837        765         447   Charter Communications 
 1239      803       2729         562   Sprint 
22773      797       2133          54   Cox Communications, Inc.
19262      789       2847         180   Verizon Global Networks 
  209      746       3793         586   Qwest 
 3356      731      10858         389   Level 3 Communications, LLC 
  577      716        845         204   Bell Advanced Communications 
 5668      661        176          17   CenturyTel Internet Holdings,
  852      596       1107         362   Telus Advanced Communications
15270      590        161          39   PaeTec.net -a division of Pae

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

  ASN   No of nets  Net Savings Description
 4755      1471        1404      Videsh Sanchar Nigam Ltd. Aut
11492      1155        1139      Cable One 
18566      1028        1019      Covad Communications 
 4323      1366        1006      Time Warner Telecom
 6478      1117         948      AT&T Worldnet Services 
 9498      1009         941      BHARTI BT INTERNET LTD.
 8151      1039         833      UniNet S.A. de C.V. 
 4134      1100         800      CHINANET-BACKBONE
17488       850         787      Hathway IP Over Cable Interne
22773       797         743      Cox Communications, Inc.
 9583      1119         700      Sify Limited
 5668       661         644      CenturyTel Internet Holdings,
 7545       736         616      TPG Internet Pty Ltd
19262       789         609      Verizon Global Networks 
18101       606         554      Reliance Infocom Ltd Internet
 6517       589         552      Yipes Communications, Inc. 
15270       590         551      PaeTec.net -a division of Pae
19916       569         522      OLM LLC 
 9829       530         521      BSNL National Internet Backbo
 6197      1030         517      BellSouth Network Solutions, 

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       193.253.152.0/24      3215       France Telecom Trans
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
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
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
172.31.46.0/24       38416     KRNIC
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
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
172.33.1.0/24         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      /11:38      /12:135     
/13:273     /14:484     /15:947     /16:9794    /17:4230    /18:6804    
/19:14727   /20:17610   /21:15713   /22:20155   /23:21058   /24:125831  
/25:900     /26:1128    /27:625     /28:265     /29:194     /30:264     
/31:0       /32:66      

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

  ASN   No of nets  Total ann.   Description
11492     1146          1155      Cable One 
 6478     1116          1117      AT&T Worldnet Services 
18566     1010          1028      Covad Communications 
 9583      962          1119      Sify Limited
 4538      928          2760      China Education and Research 
 2386      926          1236      AT&T Data Communications Serv
23577      916           925      Korea Telecom (ATM-MPLS)
 7011      848           961      Citizens Utilities 
 4755      839          1471      Videsh Sanchar Nigam Ltd. Aut
 7018      816          1494      AT&T WorldNet Services
 6197      774          1030      BellSouth Network Solutions, 
 9498      692          1009      BHARTI BT INTERNET LTD.
17488      673           850      Hathway IP Over Cable Interne
 4766      607           809      Korea Telecom (KIX)
 4323      581          1366      Time Warner Telecom
19916      564           569      OLM LLC 
15270      553           590      PaeTec.net -a division of Pae
 6517      543           589      Yipes Communications, Inc. 
 5668      521           661      CenturyTel Internet Holdings,
 4668      508           518      LG-EDS Systems Inc.

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

   4:8         8:85       12:1812     13:1        15:19       16:3      
  17:5        18:13       20:36       24:1003     25:1        32:177    
  33:3        38:355      40:64       41:335      43:6        44:2      
  47:8        52:3        55:3        56:3        57:42       58:502    
  59:425      60:379      61:992      62:986      63:2000     64:3325   
  65:2430     66:3580     67:841      68:678      69:2016     70:480    
  71:120      72:1415     73:6        74:727      75:319      76:150    
  77:394      78:244      80:849      81:789      82:593      83:366    
  84:622      85:814      86:320      87:584      88:239      89:975    
  90:39       91:668      92:3        96:1        97:6        98:6      
 116:410     117:199     118:40      121:323     122:592     123:201    
 124:694     125:1037    128:275     129:195     130:136     131:366    
 132:55      133:9       134:193     135:34      136:188     137:86     
 138:157     139:107     140:507     141:150     142:380     143:253    
 144:318     145:46      146:336     147:130     148:485     149:189    
 150:114     151:137     152:92      153:121     154:12      155:261    
 156:161     157:222     158:160     159:197     160:136     161:101    
 162:180     163:184     164:499     165:399     166:302     167:307    
 168:499     169:125     170:399     171:22      172:3       189:101    
 190:1174    192:5757    193:4024    194:3291    195:2570    196:998    
 198:3892    199:3245    200:5239    201:1236    202:7739    203:7950   
 204:3994    205:2018    206:2483    207:2882    208:2913    209:3516   
 210:2760    211:1207    212:1348    213:1538    214:418     215:44     
 216:4123    217:1218    218:387     219:457     220:995     221:414    
 222:306    

End of report