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



Routing Table Report   00:00 GMT Mon 13 Aug, 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/2007/08/13

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

BGP routing table entries examined:                              233630
    Prefixes after maximum aggregation:                          121019
    Deaggregation factor:                                          1.93
    Unique aggregates announced to Internet:                     111032
Total ASes present in the Internet Routing Table:                 25982
    Prefixes per ASN:                                              8.99
Origin-only ASes present in the Internet Routing Table:           22615
Origin ASes announcing only one prefix:                           11023
Transit ASes present in the Internet Routing Table:                3367
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:                                      21
    Max AS path prepend of ASN (35389)                               16
Prefixes from unregistered ASNs in the Routing Table:                39
    Unregistered ASNs in the Routing Table:                          19
Prefixes from 32-bit ASNs in the Routing Table:                       6
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1749964292
    Equivalent to 104 /8s, 78 /16s and 86 /24s
    Percentage of available address space announced:               47.2
    Percentage of allocated address space announced:               61.8
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      124317

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

Prefixes being announced by APNIC Region ASes:                    55134
    Total APNIC prefixes after maximum aggregation:               20972
    APNIC Deaggregation factor:                                    2.63
Prefixes being announced from the APNIC address blocks:           51951
    Unique aggregates announced from the APNIC address blocks:    22144
APNIC Region origin ASes present in the Internet Routing Table:    3040
    APNIC Prefixes per ASN:                                       17.09
APNIC Region origin ASes announcing only one prefix:                819
APNIC Region transit ASes present in the Internet Routing Table:    465
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              311155124
    Equivalent to 18 /8s, 139 /16s and 217 /24s
    Percentage of available APNIC address space announced:         77.1

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:                    109853
    Total ARIN prefixes after maximum aggregation:                63135
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:            80620
    Unique aggregates announced from the ARIN address blocks:     31814
ARIN Region origin ASes present in the Internet Routing Table:    11752
    ARIN Prefixes per ASN:                                         6.86
ARIN Region origin ASes announcing only one prefix:                4521
ARIN Region transit ASes present in the Internet Routing Table:    1102
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          16
Number of ARIN addresses announced to Internet:               341974752
    Equivalent to 20 /8s, 98 /16s and 30 /24s
    Percentage of available ARIN address space announced:          75.5

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:                     49609
    Total RIPE prefixes after maximum aggregation:                31456
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            46031
    Unique aggregates announced from the RIPE address blocks:     29252
RIPE Region origin ASes present in the Internet Routing Table:    10067
    RIPE Prefixes per ASN:                                         4.57
RIPE Region origin ASes announcing only one prefix:                5344
RIPE Region transit ASes present in the Internet Routing Table:    1585
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          21
Number of RIPE addresses announced to Internet:               324153664
    Equivalent to 19 /8s, 82 /16s and 49 /24s
    Percentage of available RIPE address space announced:          74.3

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
                       40960-44031
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:                   16193
    Total LACNIC prefixes after maximum aggregation:               4373
    LACNIC Deaggregation factor:                                   3.70
Prefixes being announced from the LACNIC address blocks:          14231
    Unique aggregates announced from the LACNIC address blocks:    7659
LACNIC Region origin ASes present in the Internet Routing Table:    841
    LACNIC Prefixes per ASN:                                      16.92
LACNIC Region origin ASes announcing only one prefix:               272
LACNIC Region transit ASes present in the Internet Routing Table:   141
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        20
Number of LACNIC addresses announced to Internet:              41878016
    Equivalent to 2 /8s, 127 /16s and 2 /24s
    Percentage of available LACNIC address space announced:        62.4

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

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

Prefixes being announced by AfriNIC Region ASes:                   2799
    Total AfriNIC prefixes after maximum aggregation:              1071
    AfriNIC Deaggregation factor:                                  2.61
Prefixes being announced from the AfriNIC address blocks:          2303
    Unique aggregates announced from the AfriNIC address blocks:   1358
AfriNIC Region origin ASes present in the Internet Routing Table:   204
    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:   33
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              6394624
    Equivalent to 0 /8s, 97 /16s and 147 /24s
    Percentage of available AfriNIC address space announced:       19.1

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
 4134     1343      11126         287   CHINANET-BACKBONE
 4755     1321        382          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1118         80         400   Sify Limited
 9498      995        532          69   BHARTI BT INTERNET LTD.
23577      926         34         794   Korea Telecom (ATM-MPLS)
 9394      842       1712           7   CHINA RAILWAY Internet(CRNET)
 4766      798       5440         316   Korea Telecom (KIX)
17488      742         48          59   Hathway IP Over Cable Interne
 7545      702        150         116   TPG Internet Pty Ltd
 1221      596       1951         440   Telstra Pty Ltd
18101      586        118          43   Reliance Infocom Ltd Internet
 4812      536        915          95   China Telecom (Shanghai)
 4668      512         68          10   LG-EDS Systems Inc.
17676      504      10935          65   Softbank BB Corp.
 4808      475        767         107   CNCGROUP IP network: China169
 9443      474        122          78   Primus Telecommunications
 7474      473        217         271   SingTel Optus Pty Ltd
 9942      440         77         113   COMindico Australia
 4802      420        112         151   Wantree Development
17974      365        130          13   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 2119     1125        949         687   Telenor Internet Access
  702      502       1906         403   UUNET - Commercial IP service
 5089      369       1658          54   NTL Group Limited
24863      361         56          40   LINKdotNET AS number
 9116      343        168          26   Goldenlines main autonomous s
 8551      320        315          43   Bezeq International
 3301      313       1456         293   TeliaNet Sweden
 3320      313       6035         259   Deutsche Telekom AG
 6746      287        130         263   Dynamic Network Technologies,
  680      266       2061         257   DFN-IP service G-WiN
 8220      263        446         245   COLT Telecommunications
 8708      261        420         242   Romania Data Systems S.A.
 3215      256       2392          97   France Telecom Transpac
 3352      224       1864          41   Ibernet, Internet Access Netw
 3269      221       2775          73   TELECOM ITALIA
 9121      210       1441          24   TTnet Autonomous System
 1257      208       1195         173   SWIPnet Swedish IP Network
 3300      200        172          94   AUCS Communications Services 
 3292      195       1379         175   TDC Tele Danmark
12479      194        578           6   Uni2 Autonomous System

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1480       6083         990   AT&T WorldNet Services
 4323     1322       1021         369   Time Warner Telecom
 2386     1205        614         742   AT&T Data Communications Serv
11492     1119        109          35   Cable One 
 6478     1115        322         132   AT&T Worldnet Services 
 6197     1025        689         519   BellSouth Network Solutions, 
18566     1019        288           9   Covad Communications 
  174      967       6777         856   Cogent Communications
  701      935       6561         713   UUNET Technologies, Inc. 
 7011      905        259         544   Citizens Utilities 
20115      806        742         436   Charter Communications 
 1239      804       2717         569   Sprint 
19262      763       2721         182   Verizon Global Networks 
22773      754       2148          49   Cox Communications, Inc.
  209      748       3853         591   Qwest 
  577      704        797         206   Bell Advanced Communications 
 5668      632        171          24   CenturyTel Internet Holdings,
  852      589       1094         367   Telus Advanced Communications
 6517      576        161          37   Yipes Communications, Inc. 
  855      575        254          73   Canadian Research Network 

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

  ASN   No of nets  Net Savings Description
 4755      1321        1251      Videsh Sanchar Nigam Ltd. Aut
11492      1119        1084      Cable One 
 4134      1343        1056      CHINANET-BACKBONE
18566      1019        1010      Covad Communications 
 6478      1115         983      AT&T Worldnet Services 
 4323      1322         953      Time Warner Telecom
 9498       995         926      BHARTI BT INTERNET LTD.
 9394       842         835      CHINA RAILWAY Internet(CRNET)
 9583      1118         718      Sify Limited
22773       754         705      Cox Communications, Inc.
 8151       910         704      UniNet S.A. de C.V. 
17488       742         683      Hathway IP Over Cable Interne
 5668       632         608      CenturyTel Internet Holdings,
 7545       702         586      TPG Internet Pty Ltd
19262       763         581      Verizon Global Networks 
18101       586         543      Reliance Infocom Ltd Internet
 6517       576         539      Yipes Communications, Inc. 
15270       568         530      PaeTec.net -a division of Pae
19916       568         517      OLM LLC 
 6197      1025         506      BellSouth Network Solutions, 

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

Bad AS  Designation  Network              Transit AS  Description
64513   PRIVATE       63.171.234.0/26       1803       SPRINT 
64513   PRIVATE       63.171.234.64/26      1803       SPRINT 
64513   PRIVATE       63.171.234.128/26     1803       SPRINT 
64513   PRIVATE       63.171.234.192/26     1803       SPRINT 
47588   UNALLOCATED   64.71.19.0/24        33544       WiLine Networks Inc.
47588   UNALLOCATED   64.71.29.0/24        33544       WiLine Networks Inc.
65108   PRIVATE       84.234.80.0/20       43379       *
38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
64513   PRIVATE       194.149.101.192/28    6721       The Terminal Bar: In
64527   PRIVATE       194.149.115.64/28     6721       The Terminal Bar: In
64524   PRIVATE       194.149.116.64/28     6721       The Terminal Bar: In
64514   PRIVATE       194.149.116.176/28    6721       The Terminal Bar: In
64532   PRIVATE       195.22.48.64/27       6721       The Terminal Bar: In
64526   PRIVATE       195.47.13.96/28       6721       The Terminal Bar: In
64542   PRIVATE       195.47.24.112/28      6721       The Terminal Bar: In
64542   PRIVATE       195.47.24.128/27      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
64526   PRIVATE       195.47.39.128/26      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
64516   PRIVATE       195.47.88.128/25      6721       The Terminal Bar: In
64526   PRIVATE       195.47.100.0/25       6721       The Terminal Bar: In
65000   PRIVATE       195.47.102.0/25       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.0/26       6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.64/27      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.96/28      6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.112/28     6721       The Terminal Bar: In
64514   PRIVATE       195.144.99.128/25     6721       The Terminal Bar: In
24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
64588   PRIVATE       207.107.179.0/24      2491       fONOROLA 
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

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

Network            Origin AS  Description
7.1.1.0/24            1239     Sprint 
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        /8:18       /9:9       /10:15      /11:36      /12:133     
/13:262     /14:474     /15:922     /16:9617    /17:4136    /18:6670    
/19:14039   /20:16597   /21:15216   /22:19463   /23:20508   /24:121674  
/25:1062    /26:1390    /27:590     /28:255     /29:177     /30:288     
/31:0       /32:79      

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

  ASN   No of nets  Total ann.   Description
 6478     1114          1115      AT&T Worldnet Services 
11492     1111          1119      Cable One 
 2119     1012          1125      Telenor Internet Access
18566     1001          1019      Covad Communications 
 9583      962          1118      Sify Limited
23577      917           926      Korea Telecom (ATM-MPLS)
 2386      897          1205      AT&T Data Communications Serv
 7018      810          1480      AT&T WorldNet Services
 7011      803           905      Citizens Utilities 
 6197      781          1025      BellSouth Network Solutions, 
 4755      708          1321      Videsh Sanchar Nigam Ltd. Aut
 9498      663           995      BHARTI BT INTERNET LTD.
 4766      595           798      Korea Telecom (KIX)
17488      565           742      Hathway IP Over Cable Interne
19916      563           568      OLM LLC 
 4323      556          1322      Time Warner Telecom
 6517      541           576      Yipes Communications, Inc. 
15270      532           568      PaeTec.net -a division of Pae
 4668      502           512      LG-EDS Systems Inc.
 5668      497           632      CenturyTel Internet Holdings,

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

   4:8         7:1         8:86       12:1820     15:19       16:3      
  17:3        18:12       20:37       24:954      25:1        32:174    
  33:3        38:344      40:60       41:296      43:6        44:2      
  47:4        52:4        55:3        56:3        57:48       58:475    
  59:391      60:345      61:1008     62:996      63:2001     64:3187   
  65:2393     66:3330     67:768      68:628      69:1951     70:454    
  71:115      72:1386     73:2        74:618      75:298      76:101    
  77:279      78:33       80:849      81:834      82:728      83:383    
  84:602      85:867      86:342      87:478      88:283      89:951    
  90:22       91:454      97:6       116:282     117:124     121:261    
 122:569     123:151     124:841     125:980     128:291     129:213    
 130:140     131:363     132:55      133:9       134:199     135:34     
 136:188     137:83      138:149     139:122     140:495     141:172    
 142:397     143:253     144:297     145:46      146:324     147:120    
 148:409     149:145     150:111     151:159     152:91      153:122    
 154:4       155:260     156:156     157:213     158:157     159:176    
 160:108     161:97      162:186     163:180     164:473     165:395    
 166:271     167:295     168:508     169:120     170:412     171:22     
 172:2       189:69      190:929     192:5815    193:3983    194:3208   
 195:2351    196:1025    198:3899    199:3279    200:5074    201:1149   
 202:7468    203:7642    204:3971    205:1989    206:2478    207:2923   
 208:2779    209:3550    210:2438    211:1016    212:1338    213:1523   
 214:413     215:41      216:4002    217:1170    218:371     219:388    
 220:1030    221:415     222:269    

End of report