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



Routing Table Report   00:00 GMT Sun 09 Sep, 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/2007/09/09

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

BGP routing table entries examined:                              235718
    Prefixes after maximum aggregation:                          121190
    Deaggregation factor:                                          1.95
    Unique aggregates announced to Internet:                     112126
Total ASes present in the Internet Routing Table:                 26165
    Prefixes per ASN:                                              9.01
Origin-only ASes present in the Internet Routing Table:           22736
Origin ASes announcing only one prefix:                           11032
Transit ASes present in the Internet Routing Table:                3429
Transit-only ASes present in the Internet Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      25
    Max AS path prepend of ASN (43329)                               20
Prefixes from unregistered ASNs in the Routing Table:                27
    Unregistered ASNs in the Routing Table:                          17
Prefixes from 32-bit ASNs in the Routing Table:                       7
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                   1758625924
    Equivalent to 104 /8s, 210 /16s and 128 /24s
    Percentage of available address space announced:               47.4
    Percentage of allocated address space announced:               62.1
    Percentage of available address space allocated:               76.4
Total number of prefixes smaller than registry allocations:      125521

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

Prefixes being announced by APNIC Region ASes:                    56197
    Total APNIC prefixes after maximum aggregation:               21130
    APNIC Deaggregation factor:                                    2.66
Prefixes being announced from the APNIC address blocks:           53031
    Unique aggregates announced from the APNIC address blocks:    22535
APNIC Region origin ASes present in the Internet Routing Table:    3053
    APNIC Prefixes per ASN:                                       17.37
APNIC Region origin ASes announcing only one prefix:                801
APNIC Region transit ASes present in the Internet Routing Table:    468
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         25
Number of APNIC addresses announced to Internet:              313639860
    Equivalent to 18 /8s, 177 /16s and 195 /24s
    Percentage of available APNIC address space announced:         77.7

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:                    110717
    Total ARIN prefixes after maximum aggregation:                63437
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:            81350
    Unique aggregates announced from the ARIN address blocks:     31955
ARIN Region origin ASes present in the Internet Routing Table:    11796
    ARIN Prefixes per ASN:                                         6.90
ARIN Region origin ASes announcing only one prefix:                4487
ARIN Region transit ASes present in the Internet Routing Table:    1126
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               344103520
    Equivalent to 20 /8s, 130 /16s and 154 /24s
    Percentage of available ARIN address space announced:          76.0

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:                     49145
    Total RIPE prefixes after maximum aggregation:                31090
    RIPE Deaggregation factor:                                     1.58
Prefixes being announced from the RIPE address blocks:            45606
    Unique aggregates announced from the RIPE address blocks:     29546
RIPE Region origin ASes present in the Internet Routing Table:    10170
    RIPE Prefixes per ASN:                                         4.48
RIPE Region origin ASes announcing only one prefix:                5396
RIPE Region transit ASes present in the Internet Routing Table:    1621
Average RIPE Region AS path length visible:                         5.2
    Max RIPE Region AS path length visible:                          25
Number of RIPE addresses announced to Internet:               326778944
    Equivalent to 19 /8s, 122 /16s and 64 /24s
    Percentage of available RIPE address space announced:          74.9

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:                   16812
    Total LACNIC prefixes after maximum aggregation:               4473
    LACNIC Deaggregation factor:                                   3.76
Prefixes being announced from the LACNIC address blocks:          14908
    Unique aggregates announced from the LACNIC address blocks:    7854
LACNIC Region origin ASes present in the Internet Routing Table:    860
    LACNIC Prefixes per ASN:                                      17.33
LACNIC Region origin ASes announcing only one prefix:               279
LACNIC Region transit ASes present in the Internet Routing Table:   144
Average LACNIC Region AS path length visible:                       6.3
    Max LACNIC Region AS path length visible:                        23
Number of LACNIC addresses announced to Internet:              42211328
    Equivalent to 2 /8s, 132 /16s and 24 /24s
    Percentage of available LACNIC address space announced:        62.9

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:                   2814
    Total AfriNIC prefixes after maximum aggregation:              1046
    AfriNIC Deaggregation factor:                                  2.69
Prefixes being announced from the AfriNIC address blocks:          2333
    Unique aggregates announced from the AfriNIC address blocks:   1332
AfriNIC Region origin ASes present in the Internet Routing Table:   207
    AfriNIC Prefixes per ASN:                                     11.27
AfriNIC Region origin ASes announcing only one prefix:               69
AfriNIC Region transit ASes present in the Internet Routing Table:   33
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC addresses announced to Internet:              7455744
    Equivalent to 0 /8s, 113 /16s and 196 /24s
    Percentage of available AfriNIC address space announced:       22.2

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     1941       2974          36   China Education and Research 
 4755     1307        383          70   Videsh Sanchar Nigam Ltd. Aut
 9583     1117         80         414   Sify Limited
 4134     1075      11220         292   CHINANET-BACKBONE
 9498      999        532          63   BHARTI BT INTERNET LTD.
23577      925         34         796   Korea Telecom (ATM-MPLS)
 4766      808       5441         320   Korea Telecom (KIX)
17488      795         52          61   Hathway IP Over Cable Interne
 7545      726        159         118   TPG Internet Pty Ltd
18101      597        119          51   Reliance Infocom Ltd Internet
 1221      585       1950         430   Telstra Pty Ltd
 4812      550        971          98   China Telecom (Shanghai)
 4668      516         68          10   LG-EDS Systems Inc.
17676      502      10903          63   Softbank BB Corp.
 4808      482        778         115   CNCGROUP IP network: China169
 9443      469        122          78   Primus Telecommunications
 7474      455        216         267   SingTel Optus Pty Ltd
 4802      440        117         154   Wantree Development
 9942      438         74         111   COMindico Australia
17974      376        130          13   PT TELEKOMUNIKASI INDONESIA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      493       1923         395   UUNET - Commercial IP service
24863      352         57          39   LINKdotNET AS number
 8551      351        334          33   Bezeq International
 9116      347        168          26   Goldenlines main autonomous s
 5089      322       1658          54   NTL Group Limited
 3301      315       1457         295   TeliaNet Sweden
 3320      314       6035         261   Deutsche Telekom AG
 6746      289        130         265   Dynamic Network Technologies,
 1273      287        306         105   Cable & Wireless Deutschland 
  680      267       2045         257   DFN-IP service G-WiN
 8708      262        420         241   Romania Data Systems S.A.
 3215      258       2424          98   France Telecom Transpac
 8220      256        444         238   COLT Telecommunications
 3352      227       1865          38   Ibernet, Internet Access Netw
 3269      223       2839          73   TELECOM ITALIA
 9121      214       1441          24   TTnet Autonomous System
 1257      205       1195         170   SWIPnet Swedish IP Network
 3300      202        172          96   AUCS Communications Services 
 3292      196       1379         176   TDC Tele Danmark
 2856      193       2318         153   BTnet UK Regional network

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1483      10178         996   AT&T WorldNet Services
 4323     1319        991         369   Time Warner Telecom
 2386     1211        621         743   AT&T Data Communications Serv
11492     1145        112          15   Cable One 
 6478     1132        325         169   AT&T Worldnet Services 
 6197     1034        718         509   BellSouth Network Solutions, 
18566     1023        288           9   Covad Communications 
  174      970       6780         859   Cogent Communications
 7011      921        278         550   Citizens Utilities 
  701      868       6572         677   UUNET Technologies, Inc. 
20115      816        751         441   Charter Communications 
 1239      800       2695         563   Sprint 
19262      770       2728         179   Verizon Global Networks 
22773      766       2149          50   Cox Communications, Inc.
  209      747       3836         587   Qwest 
  577      707        813         202   Bell Advanced Communications 
 5668      658        176          23   CenturyTel Internet Holdings,
 3356      625      10812         354   Level 3 Communications, LLC 
 6517      590        165          35   Yipes Communications, Inc. 
  852      589       1095         362   Telus Advanced Communications

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

  ASN   No of nets  Net Savings Description
 4755      1307        1237      Videsh Sanchar Nigam Ltd. Aut
11492      1145        1130      Cable One 
18566      1023        1014      Covad Communications 
 6478      1132         963      AT&T Worldnet Services 
 4323      1319         950      Time Warner Telecom
 9498       999         936      BHARTI BT INTERNET LTD.
 4134      1075         783      CHINANET-BACKBONE
17488       795         734      Hathway IP Over Cable Interne
22773       766         716      Cox Communications, Inc.
 9583      1117         703      Sify Limited
 8151       900         685      UniNet S.A. de C.V. 
 5668       658         635      CenturyTel Internet Holdings,
 7545       726         608      TPG Internet Pty Ltd
19262       770         591      Verizon Global Networks 
 6517       590         555      Yipes Communications, Inc. 
18101       597         546      Reliance Infocom Ltd Internet
15270       574         536      PaeTec.net -a division of Pae
 6197      1034         525      BellSouth Network Solutions, 
19916       568         517      OLM LLC 
 4668       516         506      LG-EDS Systems Inc.

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

Bad AS  Designation  Network              Transit AS  Description
65100   PRIVATE       80.10.250.0/24        3215       France Telecom Trans
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
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
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
64516   PRIVATE       195.47.88.128/25      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      /11:37      /12:134     
/13:266     /14:474     /15:930     /16:9676    /17:4162    /18:6693    
/19:14102   /20:16717   /21:15229   /22:19599   /23:20536   /24:123699  
/25:878     /26:1141    /27:594     /28:262     /29:192     /30:273     
/31:6       /32:76      

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

  ASN   No of nets  Total ann.   Description
11492     1137          1145      Cable One 
 6478     1131          1132      AT&T Worldnet Services 
18566     1005          1023      Covad Communications 
 9583      961          1117      Sify Limited
23577      916           925      Korea Telecom (ATM-MPLS)
 4538      904          1941      China Education and Research 
 2386      903          1211      AT&T Data Communications Serv
 7018      821          1483      AT&T WorldNet Services
 7011      814           921      Citizens Utilities 
 6197      787          1034      BellSouth Network Solutions, 
 4755      707          1307      Videsh Sanchar Nigam Ltd. Aut
 9498      672           999      BHARTI BT INTERNET LTD.
17488      618           795      Hathway IP Over Cable Interne
 4766      606           808      Korea Telecom (KIX)
19916      563           568      OLM LLC 
 4323      555          1319      Time Warner Telecom
 6517      555           590      Yipes Communications, Inc. 
15270      538           574      PaeTec.net -a division of Pae
 5668      523           658      CenturyTel Internet Holdings,
 4668      506           516      LG-EDS Systems Inc.

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

   4:8         7:1         8:88       12:1819     13:2        15:19     
  16:3        17:3        18:13       20:36       24:987      25:1      
  32:165      33:3        38:344      40:60       41:305      43:6      
  44:2        47:4        52:4        55:3        56:3        57:42     
  58:499      59:396      60:369      61:1025     62:991      63:2022   
  64:3224     65:2420     66:3422     67:813      68:663      69:1991   
  70:459      71:116      72:1414     73:1        74:648      75:304    
  76:131      77:335      78:55       79:3        80:849      81:829    
  82:582      83:359      84:623      85:811      86:340      87:484    
  88:284      89:964      90:24       91:538      97:6        98:2      
 116:314     117:178     118:17      121:278     122:603     123:175    
 124:674     125:988     128:270     129:217     130:139     131:365    
 132:55      133:9       134:197     135:34      136:189     137:86     
 138:153     139:105     140:502     141:174     142:401     143:252    
 144:300     145:46      146:332     147:122     148:408     149:147    
 150:112     151:159     152:91      153:119     154:4       155:260    
 156:161     157:219     158:158     159:174     160:118     161:98     
 162:177     163:182     164:487     165:396     166:287     167:300    
 168:516     169:122     170:387     171:22      172:2       189:74     
 190:1101    192:5772    193:4016    194:3258    195:2380    196:1010   
 198:3886    199:3219    200:5281    201:1190    202:7772    203:7741   
 204:3953    205:1965    206:2477    207:2966    208:2832    209:3518   
 210:2760    211:1212    212:1350    213:1523    214:413     215:41     
 216:3999    217:1207    218:396     219:442     220:1031    221:410    
 222:306    

End of report