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



Routing Table Report   00:00 GMT Wed 07 Nov, 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/2007/11/07

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

BGP routing table entries examined:                              244245
    Prefixes after maximum aggregation:                          122884
    Deaggregation factor:                                          1.99
    Unique aggregates announced to Internet:                     114562
Total ASes present in the Internet Routing Table:                 26668
    Prefixes per ASN:                                              9.16
Origin-only ASes present in the Internet Routing Table:           23201
Origin ASes announcing only one prefix:                           11275
Transit ASes present in the Internet Routing Table:                3467
Transit-only ASes present in the Internet Routing Table:             76
Average AS path length visible in the Internet Routing Table:       3.8
    Max AS path length visible:                                      21
    Max AS path prepend of ASN (35389)                               18
Prefixes from unregistered ASNs in the Routing Table:                25
    Unregistered ASNs in the Routing Table:                          11
Prefixes from 32-bit ASNs in the Routing Table:                       9
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:             12
Number of addresses announced to Internet:                   1789372200
    Equivalent to 106 /8s, 167 /16s and 167 /24s
    Percentage of available address space announced:               48.3
    Percentage of allocated address space announced:               61.7
    Percentage of available address space allocated:               78.2
Total number of prefixes smaller than registry allocations:      113975

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

Prefixes being announced by APNIC Region ASes:                    59152
    Total APNIC prefixes after maximum aggregation:               20961
    APNIC Deaggregation factor:                                    2.82
Prefixes being announced from the APNIC address blocks:           56020
    Unique aggregates announced from the APNIC address blocks:    22078
APNIC Region origin ASes present in the Internet Routing Table:    3091
    APNIC Prefixes per ASN:                                       18.12
APNIC Region origin ASes announcing only one prefix:                802
APNIC Region transit ASes present in the Internet Routing Table:    465
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         17
Number of APNIC addresses announced to Internet:              324040884
    Equivalent to 19 /8s, 80 /16s and 120 /24s
    Percentage of available APNIC address space announced:         74.1

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, 114/7, 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:                    113273
    Total ARIN prefixes after maximum aggregation:                64260
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            83561
    Unique aggregates announced from the ARIN address blocks:     32663
ARIN Region origin ASes present in the Internet Routing Table:    11934
    ARIN Prefixes per ASN:                                         7.00
ARIN Region origin ASes announcing only one prefix:                4576
ARIN Region transit ASes present in the Internet Routing Table:    1123
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN addresses announced to Internet:               352243872
    Equivalent to 20 /8s, 254 /16s and 208 /24s
    Percentage of available ARIN address space announced:          77.8

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:                     50646
    Total RIPE prefixes after maximum aggregation:                32003
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            47532
    Unique aggregates announced from the RIPE address blocks:     30592
RIPE Region origin ASes present in the Internet Routing Table:    10480
    RIPE Prefixes per ASN:                                         4.54
RIPE Region origin ASes announcing only one prefix:                5547
RIPE Region transit ASes present in the Internet Routing Table:    1649
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          21
Number of RIPE addresses announced to Internet:               335803556
    Equivalent to 20 /8s, 3 /16s and 244 /24s
    Percentage of available RIPE address space announced:          77.0

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:                   17816
    Total LACNIC prefixes after maximum aggregation:               4541
    LACNIC Deaggregation factor:                                   3.92
Prefixes being announced from the LACNIC address blocks:          15606
    Unique aggregates announced from the LACNIC address blocks:    8694
LACNIC Region origin ASes present in the Internet Routing Table:    871
    LACNIC Prefixes per ASN:                                      17.92
LACNIC Region origin ASes announcing only one prefix:               279
LACNIC Region transit ASes present in the Internet Routing Table:   154
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        19
Number of LACNIC addresses announced to Internet:              45969920
    Equivalent to 2 /8s, 189 /16s and 114 /24s
    Percentage of available LACNIC address space announced:        45.7

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:                   3324
    Total AfriNIC prefixes after maximum aggregation:              1101
    AfriNIC Deaggregation factor:                                  3.02
Prefixes being announced from the AfriNIC address blocks:          2450
    Unique aggregates announced from the AfriNIC address blocks:   1409
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     11.40
AfriNIC Region origin ASes announcing only one prefix:               71
AfriNIC Region transit ASes present in the Internet Routing Table:   37
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC addresses announced to Internet:              7634944
    Equivalent to 0 /8s, 116 /16s and 128 /24s
    Percentage of available AfriNIC address space announced:       22.8

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     2774       2974          35   China Education and Research 
 4134     1723      11568         303   CHINANET-BACKBONE
 4755     1481        383          68   Videsh Sanchar Nigam Ltd. Aut
 9583     1047        108          16   Sify Limited
 9498     1045        549          64   BHARTI BT INTERNET LTD.
23577      906         34         785   Korea Telecom (ATM-MPLS)
17488      874         57          69   Hathway IP Over Cable Interne
 4766      815       5473         327   Korea Telecom (KIX)
 7545      726        159         121   TPG Internet Pty Ltd
18101      609        119          53   Reliance Infocom Ltd Internet
 1221      592       1951         437   Telstra Pty Ltd
 9829      530       1312           9   BSNL National Internet Backbo
 4812      524        866          77   China Telecom (Shanghai)
 4668      522         68          10   LG-EDS Systems Inc.
17676      504      10919          64   Softbank BB Corp.
 4808      496        794         119   CNCGROUP IP network: China169
 4802      480        130         140   Wantree Development
 7474      458        202         269   SingTel Optus Pty Ltd
 9443      440        121          71   Primus Telecommunications
 9942      424         76         113   COMindico Australia

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      470       1917         383   UUNET - Commercial IP service
 8551      348        334          33   Bezeq International
 9116      335        168          28   Goldenlines main autonomous s
 3301      316       1441         293   TeliaNet Sweden
 3320      316       6035         262   Deutsche Telekom AG
 1273      282        307         108   Cable & Wireless Deutschland 
 8708      274        421         245   Romania Data Systems S.A.
 6746      273        129         251   Dynamic Network Technologies,
  680      268       2045         254   DFN-IP service G-WiN
 8866      268         62          25   Bulgarian Telecommunication C
 3215      263       2503          98   France Telecom Transpac
 8220      257        444         238   COLT Telecommunications
 8452      240        188           7   TEDATA
 5089      237       1666          54   NTL Group Limited
 3352      235       1932          41   Ibernet, Internet Access Netw
 3269      228       2935          75   TELECOM ITALIA
 3300      221        171          96   AUCS Communications Services 
 9121      211       1442          25   TTnet Autonomous System
 1257      207       1195         177   SWIPnet Swedish IP Network
 3246      200        257         187   Song Networks

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1504      10250        1004   AT&T WorldNet Services
 4323     1354       1012         355   Time Warner Telecom
 2386     1260        615         780   AT&T Data Communications Serv
11492     1165        120          50   Cable One 
 6478     1121        329         184   AT&T Worldnet Services 
 6197     1030        718         508   BellSouth Network Solutions, 
18566     1030        288           9   Covad Communications 
  174      983       6882         847   Cogent Communications
 7011      979        290         562   Citizens Utilities 
  701      897       6568         703   UUNET Technologies, Inc. 
20115      847        773         459   Charter Communications 
 3561      816       2341         378   Savvis
22773      802       2133          54   Cox Communications, Inc.
19262      796       2861         182   Verizon Global Networks 
 1239      794       2697         551   Sprint 
 3356      789      10877         405   Level 3 Communications, LLC 
  209      730       3784         573   Qwest 
 5668      662        176          17   CenturyTel Internet Holdings,
  852      594       1109         359   Telus Advanced Communications
 6517      584        163          33   Yipes Communications, Inc. 

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

  ASN   No of nets  Net Savings Description
 4134      1723        1420      CHINANET-BACKBONE
 4755      1481        1413      Videsh Sanchar Nigam Ltd. Aut
11492      1165        1115      Cable One 
 9583      1047        1031      Sify Limited
18566      1030        1021      Covad Communications 
 4323      1354         999      Time Warner Telecom
 9498      1045         981      BHARTI BT INTERNET LTD.
 8151      1158         943      UniNet S.A. de C.V. 
 6478      1121         937      AT&T Worldnet Services 
17488       874         805      Hathway IP Over Cable Interne
22773       802         748      Cox Communications, Inc.
 5668       662         645      CenturyTel Internet Holdings,
19262       796         614      Verizon Global Networks 
 7545       726         605      TPG Internet Pty Ltd
18101       609         556      Reliance Infocom Ltd Internet
 6517       584         551      Yipes Communications, Inc. 
 6197      1030         522      BellSouth Network Solutions, 
19916       569         522      OLM LLC 
 9829       530         521      BSNL National Internet Backbo
 4668       522         512      LG-EDS Systems Inc.

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

Bad AS  Designation  Network              Transit AS  Description
65068   PRIVATE       79.171.184.0/21      43895       *
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
64718   PRIVATE       81.200.197.0/24      25325       AS of Deutsche Bahn 
64718   PRIVATE       81.200.198.0/23      25325       AS of Deutsche Bahn 
64719   PRIVATE       81.200.204.0/24      25325       AS of Deutsche Bahn 
64513   PRIVATE       124.30.168.0/23       9583       Sify Limited
65100   PRIVATE       129.6.112.0/24       10886       University of Maryla
65100   PRIVATE       193.253.152.0/24      3215       France Telecom Trans
64532   PRIVATE       195.22.48.64/27       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
65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
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
172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
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       /10:16      /11:39      /12:136     
/13:275     /14:491     /15:965     /16:9814    /17:4286    /18:6892    
/19:15039   /20:17794   /21:16015   /22:20297   /23:21385   /24:127185  
/25:948     /26:1130    /27:614     /28:240     /29:235     /30:346     
/31:0       /32:76      

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

  ASN   No of nets  Total ann.   Description
11492     1156          1165      Cable One 
 6478     1120          1121      AT&T Worldnet Services 
18566     1012          1030      Covad Communications 
 2386      949          1260      AT&T Data Communications Serv
 4538      931          2774      China Education and Research 
23577      897           906      Korea Telecom (ATM-MPLS)
 9583      887          1047      Sify Limited
 7011      866           979      Citizens Utilities 
 4755      850          1481      Videsh Sanchar Nigam Ltd. Aut
 7018      826          1504      AT&T WorldNet Services
 6197      774          1030      BellSouth Network Solutions, 
 9498      730          1045      BHARTI BT INTERNET LTD.
17488      689           874      Hathway IP Over Cable Interne
 4766      606           815      Korea Telecom (KIX)
 4323      575          1354      Time Warner Telecom
19916      564           569      OLM LLC 
 4134      544          1723      CHINANET-BACKBONE
 6517      540           584      Yipes Communications, Inc. 
 5668      520           662      CenturyTel Internet Holdings,
 4668      512           522      LG-EDS Systems Inc.

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

   4:9         8:90       12:1831     13:1        15:19       16:3      
  17:6        18:13       20:35       24:1027     25:1        32:174    
  33:3        38:358      40:64       41:386      43:6        44:2      
  47:8        52:3        55:3        56:3        57:43       58:520    
  59:434      60:383      61:1035     62:990      63:1997     64:3386   
  65:2433     66:3627     67:907      68:688      69:2032     70:484    
  71:121      72:1426     73:7        74:754      75:322      76:164    
  77:419      78:270      79:11       80:874      81:825      82:598    
  83:357      84:619      85:823      86:414      87:589      88:282    
  89:1029     90:38       91:728      92:5        96:1        97:6      
  98:12      116:424     117:207     118:44      121:339     122:643    
 123:207     124:700     125:1117    128:310     129:196     130:142    
 131:367     132:59      133:9       134:194     135:34      136:190    
 137:86      138:152     139:105     140:514     141:145     142:373    
 143:256     144:320     145:50      146:323     147:130     148:484    
 149:186     150:170     151:137     152:92      153:121     154:12     
 155:260     156:164     157:225     158:160     159:193     160:132    
 161:100     162:191     163:184     164:490     165:400     166:302    
 167:309     168:465     169:126     170:418     171:24      172:6      
 189:112     190:1192    192:5763    193:4066    194:3283    195:2559   
 196:989     198:3873    199:3231    200:5202    201:1215    202:7903   
 203:7831    204:3990    205:2002    206:2460    207:2827    208:2953   
 209:3642    210:2798    211:1205    212:1327    213:1546    214:432    
 215:44      216:4160    217:1211    218:428     219:468     220:1021   
 221:420     222:347    

End of report