[afnog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 24 18:02:33 UTC 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 25 Nov, 2006

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

BGP routing table entries examined:                              204725
    Prefixes after maximum aggregation:                          110922
    Unique aggregates announced to Internet:                      99440
Total ASes present in the Internet Routing Table:                 23764
Origin-only ASes present in the Internet Routing Table:           20720
Origin ASes announcing only one prefix:                            9995
Transit ASes present in the Internet Routing Table:                3044
Transit-only ASes present in the Internet Routing Table:             80
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (36728)                               27
Prefixes from unregistered ASNs in the Routing Table:                 3
    Unregistered ASNs in the Routing Table:                           3
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              8
Number of addresses announced to Internet:                   1640986796
    Equivalent to 97 /8s, 207 /16s and 120 /24s
    Percentage of available address space announced:               44.3
    Percentage of allocated address space announced:               62.8
    Percentage of available address space allocated:               70.5
Total number of prefixes smaller than registry allocations:      104033

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

Prefixes being announced by APNIC Region ASes:                    45291
    Total APNIC prefixes after maximum aggregation:               18408
Prefixes being announced from the APNIC address blocks:           42852
    Unique aggregates announced from the APNIC address blocks:    18850
APNIC Region origin ASes present in the Internet Routing Table:    2772
APNIC Region origin ASes announcing only one prefix:                779
APNIC Region transit ASes present in the Internet Routing Table:    411
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         16
Number of APNIC addresses announced to Internet:              270228320
    Equivalent to 16 /8s, 27 /16s and 91 /24s
    Percentage of available APNIC address space announced:         84.5

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:                    101595
    Total ARIN prefixes after maximum aggregation:                60080
Prefixes being announced from the ARIN address blocks:            74852
    Unique aggregates announced from the ARIN address blocks:     28417
ARIN Region origin ASes present in the Internet Routing Table:    11180
ARIN Region origin ASes announcing only one prefix:                4263
ARIN Region transit ASes present in the Internet Routing Table:    1028
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          29
Number of ARIN addresses announced to Internet:               310956928
    Equivalent to 18 /8s, 136 /16s and 211 /24s
    Percentage of available ARIN address space announced:          68.6

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:                     41995
    Total RIPE prefixes after maximum aggregation:                27533
Prefixes being announced from the RIPE address blocks:            38892
    Unique aggregates announced from the RIPE address blocks:     25856
RIPE Region origin ASes present in the Internet Routing Table:     8815
RIPE Region origin ASes announcing only one prefix:                4660
RIPE Region transit ASes present in the Internet Routing Table:    1412
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          22
Number of RIPE addresses announced to Internet:               278168708
    Equivalent to 16 /8s, 148 /16s and 132 /24s
    Percentage of available RIPE address space announced:          75.4

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, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                   13394
    Total LACNIC prefixes after maximum aggregation:               3964
Prefixes being announced from the LACNIC address blocks:          11369
    Unique aggregates announced from the LACNIC address blocks:    6961
LACNIC Region origin ASes present in the Internet Routing Table:    747
LACNIC Region origin ASes announcing only one prefix:               244
LACNIC Region transit ASes present in the Internet Routing Table:   132
Average LACNIC Region AS path length visible:                       4.1
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC addresses announced to Internet:              35070464
    Equivalent to 2 /8s, 23 /16s and 34 /24s
    Percentage of available LACNIC address space announced:        52.3

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:                   2447
    Total AfriNIC prefixes after maximum aggregation:               937
Prefixes being announced from the AfriNIC address blocks:          1683
    Unique aggregates announced from the AfriNIC address blocks:   1059
AfriNIC Region origin ASes present in the Internet Routing Table:   170
AfriNIC Region origin ASes announcing only one prefix:               49
AfriNIC Region transit ASes present in the Internet Routing Table:   27
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC addresses announced to Internet:              4489984
    Equivalent to 0 /8s, 68 /16s and 131 /24s
    Percentage of available AfriNIC address space announced:       13.4

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     1230       8525         248   CHINANET-BACKBONE
 4755     1038        384          69   Videsh Sanchar Nigam Ltd. Aut
 9583      960         97          71   Sify Limited
 9498      887        212          62   BHARTI BT INTERNET LTD.
23577      777         35         707   KRNIC
 4766      742       4945         304   Korea Telecom (KIX)
 1221      583       1698         448   Telstra Pty Ltd
17488      553         34          19   Hathway IP Over Cable Interne
 7545      549        126          74   TPG Internet Pty Ltd
17676      501      10934          65   Softbank BB Corp.
18101      485         86          21   Reliance Infocom Ltd Internet
 9443      443        111          74   Primus Telecommunications
 9942      441         82         133   COMindico Australia
 4812      440        751          64   China Telecom (Shanghai)
17849      423         36         126   Telecommunications Technology
 4802      410         86         150   Wantree Development
17557      369         32         179   Pakistan Telecom
17974      369        129          12   PT TELEKOMUNIKASI INDONESIA
 2907      333       1749         310   SINET Japan
 4837      324       3620         140   chinanet IDC center beijing n

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 7018     1548       6188         983   AT&T WorldNet Services
 2386     1104        571         734   AT&T Data Communications Serv
 4323     1044        805         297   Time Warner Telecom
 6197     1025        629         498   BellSouth Network Solutions, 
18566      979        272           8   Covad Communications 
  701      952       6707         776   UUNET Technologies, Inc. 
  174      938       6820         863   Cogent Communications
  721      843      21921         301   DLA Systems Automation Center
 1239      834       2731         582   Sprint 
11492      810         98          15   Cable One 
19262      783       2452         177   Verizon Global Networks 
20115      766        685         411   Charter Communications 
22773      714       1743          41   Cox Communications, Inc.
  209      708       3762         553   Qwest 
 7011      692        213         432   Citizens Utilities 
  852      595       1087         388   Telus Advanced Communications
19916      567         48          57   OLM LLC 
 5668      552        161          19   CenturyTel Internet Holdings,
 6198      548        526         255   BellSouth Network Solutions, 
  855      539        250          73   Canadian Research Network 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      546       1928         425   UUNET - Commercial IP service
 3301      308       1199         292   TeliaNet Sweden
 3320      297       4992         245   Deutsche Telekom AG
24863      286         44          27   LINKdotNET AS number
 8220      275        472         265   COLT Telecommunications
 6746      259         92         236   Dynamic Network Technologies,
  680      250       2041         246   DFN-IP service G-WiN
 9116      228        134          23   Goldenlines main autonomous s
 3246      225        409         214   Song Networks
 8708      221        279         208   Romania Data Systems S.A.
 3215      220       1972          94   France Telecom Transpac
 1257      218       1073         172   SWIPnet Swedish IP Network
 8551      210        198          31   Bezeq International
 3269      208       2357          75   TELECOM ITALIA
 5416      204         13          13   BATELCO-BH
30890      202         18          82   SC Kappa Invexim SRL
 6830      184        823          39   UPC Distribution Services
 3300      176        171          95   AUCS Communications Services 
  786      171       1779         171   The JANET IP Service
 3352      170       1735          32   Ibernet, Internet Access Netw

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8151      759       1921         208   UniNet S.A. de C.V. 
11830      484        299          19   Instituto Costarricense de El
11172      402        101          91   Servicios Alestra S.A de C.V 
16814      329         20           8   NSS, S.A. 
22047      307        206          11   VTR PUNTO NET S.A. 
 6471      267         74          31   ENTEL CHILE S.A. 
14117      254         16          13   Telefonica del Sur S.A. 
 7303      220         98          37   Telecom Argentina Stet-France
 6147      215        150          20   Telefonica Del Peru 
 6503      205        170          93   AVANTEL, S.A. 
11556      196         97           5   Cable-Wireless Panama 
10481      181         72           8   Prima S.A. 
21826      150         20          39   INTERCABLE 
 7910      147         10          33   ANDINET ON LINE 
23216      144         19          43   RAMtelecom Telecomunicaciones
19169      139          9          22   Telconet 
19429      135         84          34   E.T.B. 
14522      130         20          13   SatNet S.A. 
18822      129          8          10   TELEFONICA MANQUEHUE 
 7738      116        442          21   Telecomunicacoes da Bahia S.A

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 3741      291        804         232   The Internet Solution 
 8452      220         60           7   TEDATA
15475      147         84           4   Nile Online
 6713      145        136          12   Itissalat Al-MAGHRIB
 2018      133        297         111   Tertiary Education Network 
 5536      122          8          17   Internet Egypt Network
24835      116         48           6   RAYA Telecom - Egypt
33783      110          6           4   EEPAD TISP TELECOM & INTERNET
 2905       78        173          71   The Internetworking Company o
 2561       56          6           2   Egyptian Universities Network
15706       56         12           4   Sudatel Internet Exchange Aut
 5713       40        294          33   Telkom SA Ltd 
12455       40          6           3   Jambonet Autonomous system
33774       34          8          21   AS Number for Telecom Algeria
16637       33         21          25   Johnnic e-Ventures 
23889       32         10          14   MAURITIUS TELECOM
 8524       31          2           5   AUCEGYPT Autonomous System
15804       27          2           1   AS of The Way Out Internet So
10798       23          1          14   Standard Bank of South Africa
21280       23          4           4   Swift Global Kenya Ltd.Is an 

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

  ASN   No of nets  Net Savings Description
 4134      1230         982      CHINANET-BACKBONE
18566       979         971      Covad Communications 
 4755      1038         969      Videsh Sanchar Nigam Ltd. Aut
 9583       960         889      Sify Limited
 9498       887         825      BHARTI BT INTERNET LTD.
11492       810         795      Cable One 
 4323      1044         747      Time Warner Telecom
22773       714         673      Cox Communications, Inc.
19262       783         606      Verizon Global Networks 
 8151       759         551      UniNet S.A. de C.V. 
  721       843         542      DLA Systems Automation Center
17488       553         534      Hathway IP Over Cable Interne
 5668       552         533      CenturyTel Internet Holdings,
 6197      1025         527      BellSouth Network Solutions, 
19916       567         510      OLM LLC 
 7545       549         475      TPG Internet Pty Ltd
  855       539         466      Canadian Research Network 
11830       484         465      Instituto Costarricense de El
18101       485         464      Reliance Infocom Ltd Internet
15270       487         453      PaeTec.net -a division of Pae

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

Bad AS  Designation  Network              Transit AS  Description
65101   PRIVATE       202.133.56.0/24       9498       BHARTI BT INTERNET L
65101   PRIVATE       202.133.57.0/24       9498       BHARTI BT INTERNET L
24409   UNALLOCATED   203.119.29.0/24       9808       Guangdong Mobile Com

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

Prefix             Origin AS  Description
198.18.0.0/15         8895     KACST/ISU Riyadh Autonomous S

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
172.33.1.0/24         7018     AT&T WorldNet Services
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 
192.172.0.0/19         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       /9:10      /10:13      /11:30      /12:111     
/13:222     /14:397     /15:794     /16:9077    /17:3625    /18:5826    
/19:12664   /20:14281   /21:12838   /22:16203   /23:17682   /24:109219  
/25:658     /26:468     /27:364     /28:69      /29:44      /30:80      
/31:0       /32:31      

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

  ASN   No of nets  Total ann.   Description
18566      962           979      Covad Communications 
 2386      826          1104      AT&T Data Communications Serv
 7018      822          1548      AT&T WorldNet Services
 6197      802          1025      BellSouth Network Solutions, 
11492      796           810      Cable One 
 9583      791           960      Sify Limited
23577      763           777      KRNIC
 7011      597           692      Citizens Utilities 
19916      562           567      OLM LLC 
 4766      553           742      Korea Telecom (KIX)
 9498      539           887      BHARTI BT INTERNET LTD.
 4755      464          1038      Videsh Sanchar Nigam Ltd. Aut
15270      457           487      PaeTec.net -a division of Pae
  855      436           539      Canadian Research Network 
 5668      428           552      CenturyTel Internet Holdings,
 1239      421           834      Sprint 
18101      418           485      Reliance Infocom Ltd Internet
17849      409           423      Telecommunications Technology
 6198      388           548      BellSouth Network Solutions, 
33588      388           409      Bresnan Communications, LLC. 

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

   4:9         8:66        9:1        12:1648     13:1        15:15     
  16:3        17:3        18:4        20:39       24:834      25:1      
  32:56       38:268      40:57       41:31       44:2        47:8      
  52:4        53:1        55:1        56:3        57:26       58:262    
  59:336      60:209      61:940      62:1054     63:1882     64:3180   
  65:2289     66:3113     67:666      68:656      69:1707     70:396    
  71:112      72:1018     74:110      75:32       76:14       80:829    
  81:762      82:651      83:373      84:476      85:755      86:420    
  87:423      88:253      89:625      91:84       97:1       121:74     
 122:31      123:3       124:459     125:730     128:285     129:205    
 130:125     131:323     132:46      133:9       134:177     135:42     
 136:179     137:113     138:187     139:50      140:525     141:134    
 142:346     143:199     144:252     145:67      146:322     147:140    
 148:367     149:175     150:108     151:118     152:82      153:121    
 154:5       155:261     156:148     157:162     158:152     159:138    
 160:97      161:86      162:217     163:161     164:238     165:235    
 166:244     167:272     168:487     169:123     170:394     171:11     
 172:1       190:307     192:5737    193:3576    194:2797    195:2133   
 196:893     198:3777    199:3294    200:4595    201:963     202:6946   
 203:7124    204:3944    205:2100    206:2400    207:2906    208:2317   
 209:3554    210:2215    211:873     212:1425    213:1479    214:383    
 215:39      216:4118    217:1165    218:349     219:256     220:811    
 221:357     222:251    

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



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