[apops] Weekly Routing Table Report

  • To: apops at apops dot net, rtma at arin dot net, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at thyme dot apnic dot net>
  • Date: Sat, 6 Sep 2003 04:07:43 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 06 Sep, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            127889
          Prefixes after maximum aggregation:                         80070
          Unique aggregates announced to Internet:                    61705
      Total ASes present in the Internet Routing Table:               15765
      Origin-only ASes present in the Internet Routing Table:         13660
      Origin ASes announcing only one prefix:                          6213
      Transit ASes present in the Internet Routing Table:              2105
      Transit-only ASes present in the Internet Routing Table:           73
      Average AS path length visible in the Internet Routing Table:     5.2
          Max AS path length visible:                                    27
      Illegal AS announcements present in the Routing Table:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           15
      Number of addresses announced to Internet:                 1241725984
          Equivalent to 74 /8s, 3 /16s and 60 /24s
          Percentage of available address space announced:             33.5
          Percentage of allocated address space announced:             59.9
          Percentage of available address space allocated:             56.0
      Total number of prefixes smaller than registry allocations:     56833
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  22378
          Total APNIC prefixes after maximum aggregation:             12697
      Prefixes being announced from the APNIC address blocks:         20798
          Unique aggregates announced from the APNIC address blocks:  12420
      APNIC Region origin ASes present in the Internet Routing Table:  1888
      APNIC Region origin ASes announcing only one prefix:              540
      APNIC Region transit ASes present in the Internet Routing Table:  308
      Average APNIC Region AS path length visible:                      5.2
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            121384448
          Equivalent to 7 /8s, 60 /16s and 46 /24s
          Percentage of available APNIC address space announced:       65.4
      
      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:                   77717
          Total ARIN prefixes after maximum aggregation:              48634
      Prefixes being announced from the ARIN address blocks:          55389
          Unique aggregates announced from the ARIN address blocks:   17345
      ARIN Region origin ASes present in the Internet Routing Table:   8627
      ARIN Region origin ASes announcing only one prefix:              2954
      ARIN Region transit ASes present in the Internet Routing Table:   845
      Average ARIN Region AS path length visible:                       5.0
          Max ARIN Region AS path length visible:                        18
      Number of ARIN addresses announced to Internet:             196641824
          Equivalent to 11 /8s, 184 /16s and 132 /24s
          Percentage of available ARIN address space announced:        73.3
      
      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:                   22370
          Total RIPE prefixes after maximum aggregation:              16438
      Prefixes being announced from the RIPE address blocks:          18907
          Unique aggregates announced from the RIPE address blocks:   12774
      RIPE Region origin ASes present in the Internet Routing Table:   4831
      RIPE Region origin ASes announcing only one prefix:              2622
      RIPE Region transit ASes present in the Internet Routing Table:   852
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        27
      Number of RIPE addresses announced to Internet:             135755584
          Equivalent to 8 /8s, 23 /16s and 119 /24s
          Percentage of available RIPE address space announced:        73.6
      
      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
      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:                  5422
          Total LACNIC prefixes after maximum aggregation:             2301
      Prefixes being announced from the LACNIC address blocks:         4895
          Unique aggregates announced from the LACNIC address blocks:  3147
      LACNIC Region origin ASes present in the Internet Routing Table:  346
      LACNIC Region origin ASes announcing only one prefix:              97
      LACNIC Region transit ASes present in the Internet Routing Table:  69
      Average LACNIC Region AS path length visible:                     5.6
          Max LACNIC Region AS path length visible:                      20
      Number of LACNIC addresses announced to Internet:            13127680
          Equivalent to 0 /8s, 200 /16s and 80 /24s
          Percentage of available LACNIC address space announced:      39.1
      
      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      984       1125         697   Telstra Pty Ltd
       4755      403        135          73   Videsh Sanchar Nigam Ltd. Aut
       2907      377       1912         351   SINET Japan
        703      339        373         269   UUNET
       4134      330       2220         111   Data Communications Bureau
      17557      303         22         134   Pakistan Telecom
       2764      288        322         257   connect.com.au pty ltd
       7474      264        291         205   Optus Communications Pty Ltd
      17676      256       3942          20   XTAGE CORPORATION
       9583      244         37          20   Satyam Infoway Ltd.,
       3786      237        773         203   DACOM Corporation
       4766      229       2461         171   Korea Internet Exchange for "
       9800      202        332          51   CHINA UNICOM
       9443      186         58          82   Primus Telecommunications
       9498      182         16          32   BHARTI BT INTERNET LTD.
       9929      172        157          35   China Netcom Corp.
       4538      170       1538          21   China Education and Research 
       9942      156         69         100   COMindico Australia
      17642      155         41         116   RequestDSL BGP AS# for Sydney
       9238      140          9          21   TATA ISP
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1482       8768        1049   UUNET Technologies, Inc. 
       7018     1384       7123         971   AT&T 
       3908      926       1573         492   Supernet, Inc. 
       1239      906       3030         653   Sprint 
        189      674        451         334   Genuity 
      18566      674        160           8   Covad Communications 
       4323      633        552         181   Time Warner Communications, I
       6197      612        395         270   BellSouth Network Solutions, 
       7843      553        426         167   Adelphia Corp. 
        852      516       1123         410   Telus Advanced Communications
        209      505       2129         294   Qwest 
       6198      496        277         197   BellSouth Network Solutions, 
       7066      492        205         263   Virginia Polytechnic Institut
      20115      483        203         292   Charter Communications 
       3356      476      10675         395   Level 3 Communications, LLC 
          1      463       1054         296   GENUITY 
        705      418        185         257   UUNET Technologies, Inc. 
        690      411         59         276   Merit Network 
       4355      393        340         111   EarthLink, Inc. 
      10753      390         80         195   XCOM Technologies, INC. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      720       2121         598   UUNET - Commercial IP service
       3301      295       1168         282   TeliaNet Sweden
       3320      269       1989         229   Deutsche Telekom AG
       8220      246        431         235   COLT Internet - International
       1257      245        374         186   SWIPnet Swedish IP Network
        680      232       2054         229   DFN-IP service G-WiN
       3215      212        736         118   France Telecom Transpac
        719      193        307         123   LANLINK autonomous system
       5515      185        779         148   Sonera Solution Autonomous Sy
       5400      180        175         131   BT Ignite European Backbone
        786      178       1858         178   The JANET IP Service
       8708      158        111         154   Romania Data Systems S.A.
       3303      143        540         140   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       3246      124        376         122   Song Networks
       3269      116        819          63   TELECOM ITALIA
       2856      113       1295         104   BTnet UK Regional network
       3352      104        824          34   Ibernet, Internet Access Netw
       2647      101       4129          45   SITA
       6746       88         12          75   Dynamic Network Technologies,
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      332        103         106   ImpSat
       7303      240         39          57   Telecom Argentina Stet-France
       8151      230        366         119   UniNet S.A. de C.V. 
      11172      189         95          45   Servicios Alestra S.A de C.V 
      16814      151         10          17   NSS, S.A. 
       6503      132        189          94   AVANTEL, S.A. 
      10620      127          8          28   TVCABLE BOGOTA 
      11340      104          3          36   Red Universitaria Nacional 
      11992       88          8          37   Integrated Systems 
       6147       85         70          17   Telefonica Del Peru 
       8065       80          8          17   Empresas Publicas de Medellin
       6535       75          5          18   Chilesat Servicios  Empresari
      15311       75         14          38   Telefonica Empresas 
      11830       73         21          27   Instituto Costarricense de El
       1916       72        305          42   Fundacao de Amparo a Pesquisa
       4270       68         18           9   Red de Interconexion Universi
       7927       68          6          41   Global One Venezuela 
       7080       64          4           1   Electronica y Comunicaciones 
      13999       62         36           8   Mega Cable S.A. de C.V. 
       7984       59         12          40   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      18566       674         666      Covad Communications 
       4323       633         452      Time Warner Communications, I
       3908       926         434      Supernet, Inc. 
       7018      1384         413      AT&T 
       7843       553         386      Adelphia Corp. 
       6197       612         342      BellSouth Network Solutions, 
        189       674         340      Genuity 
       4755       403         330      Videsh Sanchar Nigam Ltd. Aut
       6198       496         299      BellSouth Network Solutions, 
      27364       317         294      Armstrong Cable Services 
       1221       984         287      Telstra Pty Ltd
       4355       393         282      EarthLink, Inc. 
       6347       355         275      SAVVIS Communications Corpora
      22909       292         273      Comcast Cable Corporation 
       1239       906         253      Sprint 
      25844       241         239      Skadden, Arps, Slate, Meagher
        376       352         237      Reseau Interordinateurs Scien
      17676       256         236      XTAGE CORPORATION
      22773       253         232      Cox Communications, Inc. Atla
       7066       492         229      Virginia Polytechnic Institut
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      18413   UNALLOCATED   61.67.0.0/20          4747       Taiwan Telecommunica
       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 
      189.186.184.0/24      4471     Michigan Internet Cooperative
      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        /8:20       /9:4       /10:6       /11:12      /12:55      
      /13:98      /14:263     /15:475     /16:7422    /17:1745    /18:3086    
      /19:8429    /20:8741    /21:6416    /22:9418    /23:10926   /24:70136   
      /25:165     /26:209     /27:146     /28:26      /29:13      /30:51      
      /31:0       /32:27      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      668           674      Covad Communications 
        189      589           674      Genuity 
       3908      586           926      Supernet, Inc. 
       7018      494          1384      AT&T 
       6197      476           612      BellSouth Network Solutions, 
        701      442          1482      UUNET Technologies, Inc. 
        702      436           720      UUNET - Commercial IP service
       7066      388           492      Virginia Polytechnic Institut
       6198      386           496      BellSouth Network Solutions, 
      10753      376           390      XCOM Technologies, INC. 
        690      371           411      Merit Network 
      20115      328           483      Charter Communications 
       1239      314           906      Sprint 
      27364      311           317      Armstrong Cable Services 
       7843      263           553      Adelphia Corp. 
      25844      241           241      Skadden, Arps, Slate, Meagher
       4355      211           393      EarthLink, Inc. 
       3320      208           269      Deutsche Telekom AG
       3356      207           476      Level 3 Communications, LLC 
          1      202           463      GENUITY 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:705      13:1        15:4        16:1        17:4      
        20:6        24:843      25:1        32:84       38:44       40:23     
        44:2        55:1        57:14       61:308      62:397      63:1858   
        64:1767     65:2018     66:2703     67:273      68:389      69:260    
        80:414      81:119      82:15      128:146     129:171     130:62     
       131:84      132:14      134:172     135:7       136:187     137:110    
       138:126     139:48      140:154     141:133     142:100     143:44     
       144:90      145:13      146:274     147:62      148:339     149:78     
       150:121     151:69      152:218     153:57      154:4       155:126    
       156:59      157:50      158:128     159:135     160:44      161:75     
       162:360     163:76      164:316     165:145     166:97      167:313    
       168:178     169:95      170:322     171:9       189:1       192:5384   
       193:2457    194:1979    195:1120    196:469     198:3608    199:2752   
       200:3028    202:3910    203:5256    204:2993    205:2037    206:2327   
       207:2490    208:2563    209:2727    210:902     211:357     212:964    
       213:915     214:16      215:22      216:3227    217:713     218:105    
       219:35      220:102     221:10     
      
      End of report