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[afnog]Weekly Routing Table Report



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

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

Routing Table Report   04:00 +10GMT Sat 04 Oct, 2003

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

BGP routing table entries examined:                            128816
    Prefixes after maximum aggregation:                         80246
    Unique aggregates announced to Internet:                    62008
Total ASes present in the Internet Routing Table:               15914
Origin-only ASes present in the Internet Routing Table:         13804
Origin ASes announcing only one prefix:                          6268
Transit ASes present in the Internet Routing Table:              2110
Transit-only ASes present in the Internet Routing Table:           68
Average AS path length visible in the Internet Routing Table:     4.9
    Max AS path length visible:                                    26
Illegal AS announcements present in the Routing Table:              6
Non-routable prefixes present in the Routing Table:                 0
Prefixes being announced from unallocated address space:           14
Number of addresses announced to Internet:                 1245394468
    Equivalent to 74 /8s, 59 /16s and 54 /24s
    Percentage of available address space announced:             33.6
    Percentage of allocated address space announced:             60.0
    Percentage of available address space allocated:             56.0
Total number of prefixes smaller than registry allocations:     57363

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

Prefixes being announced by APNIC Region ASes:                  22719
    Total APNIC prefixes after maximum aggregation:             12835
Prefixes being announced from the APNIC address blocks:         21125
    Unique aggregates announced from the APNIC address blocks:  12496
APNIC Region origin ASes present in the Internet Routing Table:  1901
APNIC Region origin ASes announcing only one prefix:              545
APNIC Region transit ASes present in the Internet Routing Table:  305
Average APNIC Region AS path length visible:                      4.9
    Max APNIC Region AS path length visible:                       15
Number of APNIC addresses announced to Internet:            123245568
    Equivalent to 7 /8s, 88 /16s and 148 /24s
    Percentage of available APNIC address space announced:       66.4

APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                       17408 - 18431, 23552 - 24575
APNIC Address Blocks   60/7, 202/7, 210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                   77962
    Total ARIN prefixes after maximum aggregation:              48518
Prefixes being announced from the ARIN address blocks:          55690
    Unique aggregates announced from the ARIN address blocks:   17352
ARIN Region origin ASes present in the Internet Routing Table:   8711
ARIN Region origin ASes announcing only one prefix:              2999
ARIN Region transit ASes present in the Internet Routing Table:   846
Average ARIN Region AS path length visible:                       4.7
    Max ARIN Region AS path length visible:                        16
Number of ARIN addresses announced to Internet:             197794336
    Equivalent to 11 /8s, 202 /16s and 26 /24s
    Percentage of available ARIN address space announced:        73.7

ARIN AS Blocks         1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106
                       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, 29695 - 30719
ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
                       and 216/8

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

Prefixes being announced by RIPE Region ASes:                   22692
    Total RIPE prefixes after maximum aggregation:              16624
Prefixes being announced from the RIPE address blocks:          19201
    Unique aggregates announced from the RIPE address blocks:   12952
RIPE Region origin ASes present in the Internet Routing Table:   4888
RIPE Region origin ASes announcing only one prefix:              2625
RIPE Region transit ASes present in the Internet Routing Table:   858
Average RIPE Region AS path length visible:                       5.4
    Max RIPE Region AS path length visible:                        26
Number of RIPE addresses announced to Internet:             136945216
    Equivalent to 8 /8s, 41 /16s and 158 /24s
    Percentage of available RIPE address space announced:        74.2

RIPE AS Blocks         1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614
                       2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631
                       6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383
                       20480 - 21503, 24576 - 25599, 28672 - 29695
                       30720 - 31743
RIPE Address Blocks    62/8, 80/7, 82/8, 188/8, 193/8, 194/7,
                       212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes:                  5438
    Total LACNIC prefixes after maximum aggregation:             2269
Prefixes being announced from the LACNIC address blocks:         4938
    Unique aggregates announced from the LACNIC address blocks:  3242
LACNIC Region origin ASes present in the Internet Routing Table:  347
LACNIC Region origin ASes announcing only one prefix:              99
LACNIC Region transit ASes present in the Internet Routing Table:  74
Average LACNIC Region AS path length visible:                     5.2
    Max LACNIC Region AS path length visible:                      12
Number of LACNIC addresses announced to Internet:            13330944
    Equivalent to 0 /8s, 203 /16s and 106 /24s
    Percentage of available LACNIC address space announced:      39.7

LACNIC AS Blocks       26592 - 26623, 27648 - 28671
LACNIC Address Blocks  200/7

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 1221      969       1109         686   Telstra Pty Ltd
 4755      385        133          74   Videsh Sanchar Nigam Ltd. Aut
 2907      367       1863         344   SINET Japan
 4134      364       2223         105   Data Communications Bureau
  703      336        372         267   UUNET
 2764      296        290         259   connect.com.au pty ltd
17557      289         21         141   Pakistan Telecom
 9583      276         38          26   Satyam Infoway Ltd.,
17676      271       3996          32   XTAGE CORPORATION
 7474      260        305         206   Optus Communications Pty Ltd
 4766      238       2461         173   Korea Internet Exchange for "
 3786      235        773         203   DACOM Corporation
 4538      209       1714          21   China Education and Research 
 9800      203        332          52   CHINA UNICOM
 9942      191         69         112   COMindico Australia
 9929      190        160          36   China Netcom Corp.
 9498      184         20          17   BHARTI BT INTERNET LTD.
 9443      183         58          83   Primus Telecommunications
17642      156         40         117   RequestDSL BGP AS# for Sydney
 4739      141         58         130   Commerical Internet eXchange 

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  701     1461       8702        1015   UUNET Technologies, Inc. 
 7018     1403       7143         976   AT&T 
 6198     1218        330         195   BellSouth Network Solutions, 
 6197      988        469         232   BellSouth Network Solutions, 
 3908      930       1575         501   Supernet, Inc. 
 1239      910       3013         652   Sprint 
18566      701        176           8   Covad Communications 
 4323      675        575         196   Time Warner Communications, I
 3356      588      10796         491   Level 3 Communications, LLC 
 7843      530        472         136   Adelphia Corp. 
  852      518       1123         411   Telus Advanced Communications
  209      503       2127         290   Qwest 
 7066      499        205         263   Virginia Polytechnic Institut
20115      465        202         283   Charter Communications 
  690      411         59         276   Merit Network 
  705      403        184         246   UUNET Technologies, Inc. 
 4355      394        334         109   EarthLink, Inc. 
 2386      378        507         195   AT&T Data Communications Serv
  376      360        359         115   Reseau Interordinateurs Scien
 6347      349        381          80   SAVVIS Communications Corpora

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
  702      708       2104         587   UUNET - Commercial IP service
 3301      294       1169         283   TeliaNet Sweden
 3320      280       2005         240   Deutsche Telekom AG
 8220      257        435         246   COLT Internet - International
 1257      235        358         183   SWIPnet Swedish IP Network
  680      232       2054         229   DFN-IP service G-WiN
  719      193        307         123   LANLINK autonomous system
 5400      187        174         134   BT Ignite European Backbone
 3215      186        753         102   France Telecom Transpac
 5515      186        779         148   Sonera Solution Autonomous Sy
  786      179       1874         179   The JANET IP Service
 8708      159        111         155   Romania Data Systems S.A.
 3303      149        556         142   Swisscom Ltd
 3246      128        376         126   Song Networks
12302      127         18          34   MobiFon S.A.
 3269      119        853          65   TELECOM ITALIA
 2856      113       1293         104   BTnet UK Regional network
25186      108        128          75   France Telecom Transpac's Tra
 3352       97        824          33   Ibernet, Internet Access Netw
 2647       95       4225          48   SITA

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6140      327        103          97   ImpSat
 8151      235        367         123   UniNet S.A. de C.V. 
 7303      217         40          51   Telecom Argentina Stet-France
11172      187         79          44   Servicios Alestra S.A de C.V 
16814      151         10          17   NSS, S.A. 
10620      130          8          26   TVCABLE BOGOTA 
 6503      129        189          93   AVANTEL, S.A. 
11340      103          3          36   Red Universitaria Nacional 
11992       88         24          36   Integrated Systems 
 6147       86         70          19   Telefonica Del Peru 
 8065       81          8          17   Empresas Publicas de Medellin
 6505       80         84          69   Global One Communicaoes Ltda 
15311       77         16          39   Telefonica Empresas 
 6535       75          5          18   Chilesat Servicios  Empresari
11830       75         22          24   Instituto Costarricense de El
 4270       68         18           9   Red de Interconexion Universi
 7927       66          6          40   Global One Venezuela 
 7080       64          4           1   Electronica y Comunicaciones 
 1916       61        270          41   Fundacao de Amparo a Pesquisa
 4926       57          4          48   Telintar S.A. 

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

  ASN   No of nets  Net Savings Description
 6198      1218        1023      BellSouth Network Solutions, 
 6197       988         756      BellSouth Network Solutions, 
18566       701         693      Covad Communications 
 4323       675         479      Time Warner Communications, I
 3908       930         429      Supernet, Inc. 
 7018      1403         427      AT&T 
 7843       530         394      Adelphia Corp. 
 4755       385         311      Videsh Sanchar Nigam Ltd. Aut
 5668       308         293      Century Telephone 
27364       314         291      Armstrong Cable Services 
 4355       394         285      EarthLink, Inc. 
 1221       969         283      Telstra Pty Ltd
22909       296         279      Comcast Cable Corporation 
 6347       349         269      SAVVIS Communications Corpora
 4134       364         259      Data Communications Bureau
 1239       910         258      Sprint 
22773       288         251      Cox Communications, Inc. Atla
 9583       276         250      Satyam Infoway Ltd.,
  376       360         245      Reseau Interordinateurs Scien
25844       243         241      Skadden, Arps, Slate, Meagher

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

Bad AS  Designation  Network              Transit AS  Description
18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
65093   PRIVATE       148.170.28.0/22       7991       Savvis Communication
65093   PRIVATE       148.170.32.0/22       7991       Savvis Communication
65093   PRIVATE       148.170.92.0/22       7991       Savvis Communication
 1877   UNALLOCATED   192.108.199.0/24      1876       Southern Methodist U
65100   PRIVATE       210.104.28.0/25       9768       Korea Telecom

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

Network            Origin AS  Description
132.0.0.0/10           568     DISO-UNRRA 
137.0.0.0/13           568     DISO-UNRRA 
158.0.0.0/13           568     DISO-UNRRA 
192.43.230.0/24       4738     South Australian Academic Res
192.44.0.0/19          702     UUNET - Commercial IP service
192.83.16.0/20        5515     Sonera Solution Autonomous Sy
192.83.32.0/19        5515     Sonera Solution Autonomous Sy
192.83.96.0/22        5515     Sonera Solution Autonomous Sy
192.83.100.0/24       5515     Sonera Solution Autonomous Sy
192.119.135.0/24       270     NASA 
192.135.50.0/24       7018     AT&T 
192.136.79.0/24        719     LANLINK autonomous system
192.153.136.0/21       568     DISO-UNRRA 
192.172.0.0/19         568     DISO-UNRRA 

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:19       /9:4       /10:6       /11:12      /12:55      
/13:99      /14:268     /15:470     /16:7425    /17:1757    /18:3147    
/19:8463    /20:8872    /21:6542    /22:9348    /23:10731   /24:70974   
/25:152     /26:202     /27:168     /28:20      /29:9       /30:52      
/31:0       /32:21      

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

  ASN   No of nets  Total ann.   Description
 6198     1094          1218      BellSouth Network Solutions, 
 6197      847           988      BellSouth Network Solutions, 
18566      695           701      Covad Communications 
 3908      588           930      Supernet, Inc. 
 7018      505          1403      AT&T 
  701      441          1461      UUNET Technologies, Inc. 
  702      424           708      UUNET - Commercial IP service
 7066      394           499      Virginia Polytechnic Institut
  690      371           411      Merit Network 
 1239      316           910      Sprint 
20115      311           465      Charter Communications 
27364      308           314      Armstrong Cable Services 
 3356      281           588      Level 3 Communications, LLC 
 5668      274           308      Century Telephone 
25844      243           243      Skadden, Arps, Slate, Meagher
 3320      219           280      Deutsche Telekom AG
 4355      214           394      EarthLink, Inc. 
 7843      211           530      Adelphia Corp. 
  209      200           503      Qwest 
14824      199           226      NewSouth Communications Corp.

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

   4:2        12:708      13:1        15:4        16:1        17:3      
  20:6        24:818      25:1        32:84       38:49       40:23     
  43:1        44:2        55:1        57:14       61:301      62:424    
  63:1884     64:1782     65:2115     66:2278     67:429      68:850    
  69:267      80:421      81:170      82:18      128:140     129:156    
 130:64      131:81      132:18      134:166     135:9       136:185    
 137:118     138:129     139:50      140:164     141:137     142:102    
 143:46      144:84      145:14      146:269     147:65      148:300    
 149:78      150:121     151:66      152:217     153:58      154:7      
 155:130     156:58      157:55      158:139     159:142     160:45     
 161:69      162:362     163:68      164:315     165:149     166:99     
 167:304     168:178     169:96      170:323     171:9       192:5329   
 193:2442    194:1976    195:1166    196:474     198:3617    199:2851   
 200:3026    202:4026    203:5259    204:2994    205:2060    206:2300   
 207:2515    208:2643    209:2756    210:936     211:371     212:930    
 213:924     214:15      215:22      216:3267    217:753     218:108    
 219:41      220:117     221:13      222:1      

End of report
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