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



Routing Table Report   00:00 GMT Tue 16 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/2007/10/16

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

BGP routing table entries examined:                              241047
    Prefixes after maximum aggregation:                          122557
    Deaggregation factor:                                          1.97
    Unique aggregates announced to Internet:                     114384
Total ASes present in the Internet Routing Table:                 26523
    Prefixes per ASN:                                              9.09
Origin-only ASes present in the Internet Routing Table:           23031
Origin ASes announcing only one prefix:                           11203
Transit ASes present in the Internet Routing Table:                3492
Transit-only ASes present in the Internet Routing Table:             77
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                49
    Unregistered ASNs in the Routing Table:                          16
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:                   1793449580
    Equivalent to 106 /8s, 229 /16s and 222 /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:      111674

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

Prefixes being announced by APNIC Region ASes:                    58213
    Total APNIC prefixes after maximum aggregation:               21286
    APNIC Deaggregation factor:                                    2.73
Prefixes being announced from the APNIC address blocks:           55049
    Unique aggregates announced from the APNIC address blocks:    22935
APNIC Region origin ASes present in the Internet Routing Table:    3080
    APNIC Prefixes per ASN:                                       17.87
APNIC Region origin ASes announcing only one prefix:                811
APNIC Region transit ASes present in the Internet Routing Table:    480
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         21
Number of APNIC addresses announced to Internet:              321191668
    Equivalent to 19 /8s, 36 /16s and 254 /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:                    112338
    Total ARIN prefixes after maximum aggregation:                63925
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            82805
    Unique aggregates announced from the ARIN address blocks:     32274
ARIN Region origin ASes present in the Internet Routing Table:    11903
    ARIN Prefixes per ASN:                                         6.96
ARIN Region origin ASes announcing only one prefix:                4557
ARIN Region transit ASes present in the Internet Routing Table:    1133
Average ARIN Region AS path length visible:                         3.2
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               349024672
    Equivalent to 20 /8s, 205 /16s and 177 /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:                     50329
    Total RIPE prefixes after maximum aggregation:                31704
    RIPE Deaggregation factor:                                     1.59
Prefixes being announced from the RIPE address blocks:            46798
    Unique aggregates announced from the RIPE address blocks:     30216
RIPE Region origin ASes present in the Internet Routing Table:    10378
    RIPE Prefixes per ASN:                                         4.51
RIPE Region origin ASes announcing only one prefix:                5489
RIPE Region transit ASes present in the Internet Routing Table:    1645
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          19
Number of RIPE addresses announced to Internet:               330800544
    Equivalent to 19 /8s, 183 /16s and 157 /24s
    Percentage of available RIPE address space announced:          75.8

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:                   17283
    Total LACNIC prefixes after maximum aggregation:               4555
    LACNIC Deaggregation factor:                                   3.79
Prefixes being announced from the LACNIC address blocks:          15231
    Unique aggregates announced from the LACNIC address blocks:    8590
LACNIC Region origin ASes present in the Internet Routing Table:    875
    LACNIC Prefixes per ASN:                                      17.41
LACNIC Region origin ASes announcing only one prefix:               281
LACNIC Region transit ASes present in the Internet Routing Table:   153
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC addresses announced to Internet:              44378624
    Equivalent to 2 /8s, 165 /16s and 42 /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:                   2827
    Total AfriNIC prefixes after maximum aggregation:              1071
    AfriNIC Deaggregation factor:                                  2.64
Prefixes being announced from the AfriNIC address blocks:          2385
    Unique aggregates announced from the AfriNIC address blocks:   1379
AfriNIC Region origin ASes present in the Internet Routing Table:   209
    AfriNIC Prefixes per ASN:                                     11.41
AfriNIC Region origin ASes announcing only one prefix:               65
AfriNIC Region transit ASes present in the Internet Routing Table:   36
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC addresses announced to Internet:              7607040
    Equivalent to 0 /8s, 116 /16s and 19 /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     2757       2974          36   China Education and Research 
 4755     1450        383          67   Videsh Sanchar Nigam Ltd. Aut
 9583     1120         81         416   Sify Limited
 4134     1095      11484         297   CHINANET-BACKBONE
 9498     1010        550          68   BHARTI BT INTERNET LTD.
23577      925         34         791   Korea Telecom (ATM-MPLS)
17488      839         54          66   Hathway IP Over Cable Interne
 4766      811       5442         321   Korea Telecom (KIX)
 7545      735        159         118   TPG Internet Pty Ltd
18101      604        119          51   Reliance Infocom Ltd Internet
 1221      588       1950         434   Telstra Pty Ltd
 4802      573        132         142   Wantree Development
 4812      538        958          93   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        786         116   CNCGROUP IP network: China169
 7474      454        217         266   SingTel Optus Pty Ltd
 9443      441        121          73   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      371         58          37   LINKdotNET AS number
 8551      352        334          33   Bezeq International
 9116      343        168          27   Goldenlines main autonomous s
 3301      316       1441         293   TeliaNet Sweden
 3320      314       6035         261   Deutsche Telekom AG
 6746      279        129         255   Dynamic Network Technologies,
 1273      275        306         103   Cable & Wireless Deutschland 
 8708      270        421         242   Romania Data Systems S.A.
  680      269       2045         257   DFN-IP service G-WiN
 8866      264         62          24   Bulgarian Telecommunication C
 3215      262       2480         100   France Telecom Transpac
 8220      256        444         237   COLT Telecommunications
 5089      236       1658          54   NTL Group Limited
 3352      231       1898          40   Ibernet, Internet Access Netw
 3269      226       2903          74   TELECOM ITALIA
 9121      213       1442          25   TTnet Autonomous System
 3300      208        172          99   AUCS Communications Services 
 1257      206       1195         170   SWIPnet Swedish IP Network
 2856      195       2302         154   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1487      10236         992   AT&T WorldNet Services
 4323     1359       1006         361   Time Warner Telecom
 2386     1229        628         741   AT&T Data Communications Serv
11492     1157        114          13   Cable One 
 6478     1125        329         146   AT&T Worldnet Services 
 6197     1030        718         513   BellSouth Network Solutions, 
18566     1028        288           9   Covad Communications 
  174      973       6786         846   Cogent Communications
 7011      961        290         558   Citizens Utilities 
  701      881       6573         688   UUNET Technologies, Inc. 
20115      837        765         447   Charter Communications 
 1239      806       2729         565   Sprint 
22773      794       2133          54   Cox Communications, Inc.
19262      787       2840         185   Verizon Global Networks 
  209      741       3807         581   Qwest 
  577      714        845         202   Bell Advanced Communications 
 3356      681      10804         370   Level 3 Communications, LLC 
 5668      658        176          17   CenturyTel Internet Holdings,
  852      591       1093         357   Telus Advanced Communications
 6517      589        165          37   Yipes Communications, Inc. 

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

  ASN   No of nets  Net Savings Description
 4755      1450        1383      Videsh Sanchar Nigam Ltd. Aut
11492      1157        1144      Cable One 
18566      1028        1019      Covad Communications 
 4323      1359         998      Time Warner Telecom
 6478      1125         979      AT&T Worldnet Services 
 9498      1010         942      BHARTI BT INTERNET LTD.
 8151      1049         835      UniNet S.A. de C.V. 
 4134      1095         798      CHINANET-BACKBONE
17488       839         773      Hathway IP Over Cable Interne
22773       794         740      Cox Communications, Inc.
 9583      1120         704      Sify Limited
 5668       658         641      CenturyTel Internet Holdings,
 7545       735         617      TPG Internet Pty Ltd
19262       787         602      Verizon Global Networks 
18101       604         553      Reliance Infocom Ltd Internet
 6517       589         552      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
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     /15:946     /16:9771    /17:4213    /18:6821    
/19:14675   /20:17586   /21:15708   /22:20106   /23:20965   /24:125825  
/25:915     /26:1127    /27:626     /28:260     /29:193     /30:268     
/31:0       /32:72      

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

  ASN   No of nets  Total ann.   Description
11492     1149          1157      Cable One 
 6478     1124          1125      AT&T Worldnet Services 
18566     1010          1028      Covad Communications 
 9583      963          1120      Sify Limited
 4538      926          2757      China Education and Research 
 2386      919          1229      AT&T Data Communications Serv
23577      916           925      Korea Telecom (ATM-MPLS)
 7011      848           961      Citizens Utilities 
 4755      820          1450      Videsh Sanchar Nigam Ltd. Aut
 7018      819          1487      AT&T WorldNet Services
 6197      774          1030      BellSouth Network Solutions, 
 9498      692          1010      BHARTI BT INTERNET LTD.
17488      658           839      Hathway IP Over Cable Interne
 4766      609           811      Korea Telecom (KIX)
 4323      577          1359      Time Warner Telecom
19916      563           568      OLM LLC 
15270      548           585      PaeTec.net -a division of Pae
 6517      543           589      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       12:1810     13:1        15:20       16:3      
  17:5        18:13       20:36       24:1003     25:1        32:177    
  33:3        38:355      40:64       41:326      43:6        44:2      
  47:8        52:3        55:3        56:3        57:42       58:501    
  59:425      60:379      61:987      62:960      63:2003     64:3317   
  65:2438     66:3567     67:843      68:682      69:2003     70:477    
  71:125      72:1422     73:6        74:721      75:307      76:148    
  77:390      78:241      79:5        80:869      81:804      82:599    
  83:376      84:636      85:835      86:347      87:570      88:289    
  89:1021     90:37       91:636      96:1        97:6        98:4      
 101:1       116:387     117:198     118:40      121:321     122:614    
 123:202     124:674     125:1037    128:274     129:196     130:137    
 131:369     132:60      133:9       134:192     135:34      136:188    
 137:87      138:156     139:107     140:416     141:171     142:381    
 143:254     144:319     145:46      146:335     147:130     148:545    
 149:188     150:112     151:157     152:92      153:121     154:12     
 155:257     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     170:398     171:22      172:3      
 189:91      190:1122    192:5792    193:4004    194:3282    195:2582   
 196:1020    198:3879    199:3242    200:5205    201:1216    202:7816   
 203:7947    204:4002    205:2027    206:2491    207:2884    208:2908   
 209:3514    210:2759    211:1206    212:1295    213:1538    214:415    
 215:44      216:4108    217:1210    218:387     219:453     220:1002   
 221:415     222:305    

End of report