[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 4 20:02:19 SAST 2006


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.apnic.net.

If you have any comments please contact Philip Smith <pfs at cisco.com>.

Routing Table Report   04:00 +10GMT Sat 05 Aug, 2006

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

BGP routing table entries examined:                              194251
    Prefixes after maximum aggregation:                          106728
    Unique aggregates announced to Internet:                      94954
Total ASes present in the Internet Routing Table:                 22811
Origin-only ASes present in the Internet Routing Table:           19853
Origin ASes announcing only one prefix:                            9502
Transit ASes present in the Internet Routing Table:                2958
Transit-only ASes present in the Internet Routing Table:             69
Average AS path length visible in the Internet Routing Table:       3.5
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (24076)                               20
Prefixes from unregistered ASNs in the Routing Table:                22
    Unregistered ASNs in the Routing Table:                           3
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                   1561450156
    Equivalent to 93 /8s, 17 /16s and 214 /24s
    Percentage of available address space announced:               42.1
    Percentage of allocated address space announced:               60.9
    Percentage of available address space allocated:               69.1
Total number of prefixes smaller than registry allocations:       96372

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

Prefixes being announced by APNIC Region ASes:                    42465
    Total APNIC prefixes after maximum aggregation:               17475
Prefixes being announced from the APNIC address blocks:           40150
    Unique aggregates announced from the APNIC address blocks:    18665
APNIC Region origin ASes present in the Internet Routing Table:    2663
APNIC Region origin ASes announcing only one prefix:                752
APNIC Region transit ASes present in the Internet Routing Table:    397
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC addresses announced to Internet:              244214880
    Equivalent to 14 /8s, 142 /16s and 108 /24s
    Percentage of available APNIC address space announced:         76.4

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, 121/8, 122/7, 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:                     98398
    Total ARIN prefixes after maximum aggregation:                58511
Prefixes being announced from the ARIN address blocks:            72206
    Unique aggregates announced from the ARIN address blocks:     27245
ARIN Region origin ASes present in the Internet Routing Table:    10863
ARIN Region origin ASes announcing only one prefix:                4092
ARIN Region transit ASes present in the Internet Routing Table:    1012
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          18
Number of ARIN addresses announced to Internet:               298918656
    Equivalent to 17 /8s, 209 /16s and 35 /24s
    Percentage of available ARIN address space announced:          77.5

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, 199/8, 204/6,
                       208/7 and 216/8

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     38990
    Total RIPE prefixes after maximum aggregation:                26101
Prefixes being announced from the RIPE address blocks:            35950
    Unique aggregates announced from the RIPE address blocks:     24264
RIPE Region origin ASes present in the Internet Routing Table:     8343
RIPE Region origin ASes announcing only one prefix:                4377
RIPE Region transit ASes present in the Internet Routing Table:    1368
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          18
Number of RIPE addresses announced to Internet:               261261892
    Equivalent to 15 /8s, 146 /16s and 138 /24s
    Percentage of available RIPE address space announced:          82.0

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
                       40960-41983
RIPE Address Blocks    62/8, 80/5, 88/6, 193/8, 194/7, 212/7
                       and 217/8

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   12136
    Total LACNIC prefixes after maximum aggregation:               3725
Prefixes being announced from the LACNIC address blocks:          10216
    Unique aggregates announced from the LACNIC address blocks:    5860
LACNIC Region origin ASes present in the Internet Routing Table:    713
LACNIC Region origin ASes announcing only one prefix:               237
LACNIC Region transit ASes present in the Internet Routing Table:   129
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC addresses announced to Internet:              31772160
    Equivalent to 1 /8s, 228 /16s and 206 /24s
    Percentage of available LACNIC address space announced:        47.3

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:                   2240
    Total AfriNIC prefixes after maximum aggregation:               916
Prefixes being announced from the AfriNIC address blocks:          1548
    Unique aggregates announced from the AfriNIC address blocks:    970
AfriNIC Region origin ASes present in the Internet Routing Table:   160
AfriNIC Region origin ASes announcing only one prefix:               44
AfriNIC Region transit ASes present in the Internet Routing Table:   24
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4200704
    Equivalent to 0 /8s, 64 /16s and 25 /24s
    Percentage of available AfriNIC address space announced:       12.5

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     1289       7914         239   CHINANET-BACKBONE
 4755      965        255          69   Videsh Sanchar Nigam Ltd. Aut
 9583      943        109          15   Sify Limited
 9498      761        211          70   BHARTI BT INTERNET LTD.
 4766      700       4435         303   Korea Telecom (KIX)
 1221      608       1779         465   Telstra Pty Ltd
 7545      552        124          72   TPG Internet Pty Ltd
17488      520         32          18   Hathway IP Over Cable Interne
17676      490       7093         110   Softbank BB Corp.
 9443      449        111          83   Primus Telecommunications
18101      433         85          22   Reliance Infocom Ltd Internet
 4812      415        740          61   China Telecom (Shanghai)
17849      410         30         122   Telecommunications Technology
17557      379         30         176   Pakistan Telecom
 4802      378         81         167   Wantree Development
17974      369        129          14   PT TELEKOMUNIKASI INDONESIA
 2907      336       1733         311   SINET Japan
 4837      304       3458         135   chinanet IDC center beijing n
 7474      294        211         228   SingTel Optus Pty Ltd
 9800      272        409          54   CHINA UNICOM

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1499       6259         964   AT&T WorldNet Services
 6197     1018        635         477   BellSouth Network Solutions, 
  721     1009      21926         312   DLA Systems Automation Center
 4323      964        746         274   Time Warner Telecom
  701      960       6770         786   UUNET Technologies, Inc. 
18566      952        272           8   Covad Communications 
  174      939       5769         888   Cogent Communications
 2386      918        559         706   AT&T Data Communications Serv
 1239      853       2783         603   Sprint 
19262      728       2228         187   Verizon Global Networks 
20115      726        651         380   Charter Communications 
11492      722         89          15   Cable One 
  209      692       3660         542   Qwest 
22773      682       1741          41   Cox Communications, Inc.
 7011      669        222         426   Citizens Utilities 
 6198      599        556         237   BellSouth Network Solutions, 
  852      581       1068         381   Telus Advanced Communications
  855      567        247          74   Canadian Research Network 
19916      563         49          54   OLM LLC 
 5668      539        147          23   CenturyTel Internet Holdings,

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      562       1948         442   UUNET - Commercial IP service
 3301      316       1187         301   TeliaNet Sweden
 3320      294       5013         238   Deutsche Telekom AG
 8220      280        471         266   COLT Telecommunications
  680      246       2041         243   DFN-IP service G-WiN
 6746      243         91         221   Dynamic Network Technologies,
24863      239         42          11   LINKdotNET AS number
 3246      230        462         220   Song Networks
 8708      215        278         203   Romania Data Systems S.A.
 3215      204       1760          97   France Telecom Transpac
 3269      203       2246          73   TELECOM ITALIA
 8551      202        182          27   Bezeq International
30890      201         19          84   SC Kappa Invexim SRL
 1257      195        742         167   SWIPnet Swedish IP Network
 8866      188         37          15   Bulgarian Telecommunication C
 5416      179         12          11   BATELCO-BH
 6830      177        813          37   UPC Distribution Services
 3300      171        171          98   AUCS Communications Services 
  786      170       1762         170   The JANET IP Service
 9121      167        931          31   TTnet Autonomous System

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      786       1803         230   UniNet S.A. de C.V. 
22047      433        206          11   VTR PUNTO NET S.A. 
11172      360        113          86   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
 6147      273        134          22   Telefonica Del Peru 
 6471      254         74          30   ENTEL CHILE S.A. 
14117      217         13           7   Telefonica del Sur S.A. 
 6503      182        151          83   AVANTEL, S.A. 
 7303      182         85          29   Telecom Argentina Stet-France
10481      181         72           8   Prima S.A. 
21826      134         17          23   INTERCABLE 
11556      132         80           4   Cable-Wireless Panama 
19429      131         84          45   E.T.B. 
18822      129          8          10   TELEFONICA MANQUEHUE 
19169      128          8          25   Telconet 
 7910      124          8          21   ANDINET ON LINE 
14522      123         18           9   SatNet S.A. 
14259      119         10          15   GTD Internet S.A. 
23216      113         21           9   RAMtelecom Telecomunicaciones
 7738      111        410          20   Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      284        803         231   The Internet Solution 
 8452      170         60           7   TEDATA
 6713      144        135          11   Itissalat Al-MAGHRIB
 2018      134        298         111   Tertiary Education Network 
15475      133         84           4   Nile Online
 5536      121          8          18   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      106          6           2   EEPAD TISP TELECOM & INTERNET
 2905       79        159          70   The Internetworking Company o
15706       44          8           3   Sudatel Internet Exchange Aut
 5713       39        294          35   Telkom SA Ltd 
33774       30          7          21   AS Number for Telecom Algeria
16637       25         18          23   Johnnic e-Ventures 
23889       24          8          11   MAURITIUS TELECOM
10798       23          1          14   Standard Bank of South Africa
 8524       22          1           5   AUCEGYPT Autonomous System
21280       21          4           4   Swift Global Kenya Ltd.Is an 
33766       21          2           1   Nyala Communications Pty Ltd 
21491       20         17           2   UTL On-line is RF broadband I
 2561       19          6           2   Egyptian Universities Network

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

  ASN   No of nets  Net Savings Description
 4134      1289        1050      CHINANET-BACKBONE
18566       952         944      Covad Communications 
 9583       943         928      Sify Limited
 4755       965         896      Videsh Sanchar Nigam Ltd. Aut
11492       722         707      Cable One 
  721      1009         697      DLA Systems Automation Center
 9498       761         691      BHARTI BT INTERNET LTD.
 4323       964         690      Time Warner Telecom
22773       682         641      Cox Communications, Inc.
 8151       786         556      UniNet S.A. de C.V. 
 6197      1018         541      BellSouth Network Solutions, 
19262       728         541      Verizon Global Networks 
 5668       539         516      CenturyTel Internet Holdings,
19916       563         509      OLM LLC 
17488       520         502      Hathway IP Over Cable Interne
  855       567         493      Canadian Research Network 
 7545       552         480      TPG Internet Pty Ltd
22047       433         422      VTR PUNTO NET S.A. 
15270       454         421      PaeTec.net -a division of Pae
 3602       524         419      Sprint Canada, Inc. 

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

Bad AS  Designation  Network              Transit AS  Description
65350   PRIVATE       124.236.240.0/20     17672       asn for Hebei Provin
65128   PRIVATE       193.110.50.0/24      24652       Juniper Networks, Eu
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com
65350   PRIVATE       219.148.0.0/22       17672       asn for Hebei Provin
65350   PRIVATE       219.148.4.0/23       17672       asn for Hebei Provin
65350   PRIVATE       219.148.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       219.148.24.0/21      17672       asn for Hebei Provin
65350   PRIVATE       219.148.32.0/19      17672       asn for Hebei Provin
65350   PRIVATE       222.222.0.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.8.0/21       17672       asn for Hebei Provin
65350   PRIVATE       222.222.16.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.32.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.48.0/20      17672       asn for Hebei Provin
65350   PRIVATE       222.222.208.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.222.216.0/21     17672       asn for Hebei Provin
65350   PRIVATE       222.223.187.0/24     17672       asn for Hebei Provin
65350   PRIVATE       222.223.188.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.192.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.196.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.200.0/22     17672       asn for Hebei Provin
65350   PRIVATE       222.223.206.0/23     17672       asn for Hebei Provin
65350   PRIVATE       222.223.224.0/19     17672       asn for Hebei Provin

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
198.18.1.0/24         3301     TeliaNet Sweden

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
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 
192.84.205.0/24        719     LANLINK autonomous system
192.172.0.0/19         721     DLA Systems Automation Center
192.249.0.0/20        3450     University of Tennessee, Knox

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:17       /9:9       /10:11      /11:28      /12:97      
/13:205     /14:374     /15:732     /16:8947    /17:3401    /18:5537    
/19:12029   /20:13599   /21:11890   /22:15058   /23:16270   /24:104950  
/25:378     /26:294     /27:196     /28:64      /29:39      /30:80      
/31:0       /32:46      

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

  ASN   No of nets  Total ann.   Description
18566      935           952      Covad Communications 
 6197      798          1018      BellSouth Network Solutions, 
 7018      795          1499      AT&T WorldNet Services
 9583      774           943      Sify Limited
11492      710           722      Cable One 
 2386      636           918      AT&T Data Communications Serv
 7011      575           669      Citizens Utilities 
19916      557           563      OLM LLC 
 4766      511           700      Korea Telecom (KIX)
 9498      443           761      BHARTI BT INTERNET LTD.
 6198      442           599      BellSouth Network Solutions, 
  855      441           567      Canadian Research Network 
15270      423           454      PaeTec.net -a division of Pae
 5668      422           539      CenturyTel Internet Holdings,
 1239      402           853      Sprint 
 4755      400           965      Videsh Sanchar Nigam Ltd. Aut
17849      397           410      Telecommunications Technology
 6517      381           414      Yipes Communications, Inc. 
18101      369           433      Reliance Infocom Ltd Internet
22773      360           682      Cox Communications, Inc.

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

   4:9         8:50       12:1599     13:1        15:15       16:3      
  17:3        18:4        20:41       24:806      25:1        32:58     
  38:240      40:53       41:10       44:3        45:9        47:6      
  52:4        55:1        56:3        57:26       58:206      59:246    
  60:172      61:922      62:831      63:1890     64:3093     65:2259   
  66:2975     67:628      68:678      69:1571     70:394      71:87     
  72:875      74:65       75:5        80:750      81:676      82:637    
  83:380      84:394      85:570      86:400      87:460      88:141    
  89:381      91:1       121:13      122:3       123:1       124:345    
 125:575     128:152     129:188     130:118     131:317     132:34     
 133:8       134:160     135:49      136:178     137:85      138:212    
 139:48      140:491     141:137     142:373     143:186     144:243    
 145:40      146:317     147:139     148:352     149:188     150:101    
 151:97      152:70      153:117     154:5       155:213     156:179    
 157:137     158:167     159:171     160:93      161:77      162:246    
 163:165     164:236     165:223     166:182     167:244     168:484    
 169:125     170:354     171:14      190:114     192:5742    193:3401   
 194:2696    195:2011    196:861     198:3900    199:3299    200:4653   
 201:1044    202:6784    203:7059    204:3907    205:2030    206:2426   
 207:2926    208:2214    209:3435    210:2158    211:831     212:1250   
 213:1429    214:362     215:41      216:4029    217:1155    218:319    
 219:250     220:739     221:376     222:225    

End of report
Report Website: http://thyme.apnic.net


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