[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: Fri, 28 Mar 2003 20:05:52 +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
      
      For a graphical representation, please see http://www.apnic.net/stats/bgp.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   20:00 +10GMT Fri 28 Mar, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            122998
          Prefixes after maximum aggregation:                         78122
          Unique aggregates announced to Internet:                    59135
      Total ASes present in the Internet Routing Table:               14894
      Origin-only ASes present in the Internet Routing Table:         12911
      Origin ASes announcing only one prefix:                          5837
      Transit ASes present in the Internet Routing Table:              1983
      Transit-only ASes present in the Internet Routing Table:           72
      Average AS path length visible in the Internet Routing Table:     4.7
          Max AS path length visible:                                   255
      Illegal AS announcements present in the Routing Table:              2
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           19
      Number of addresses announced to Internet:                 1220551781
          Equivalent to 72 /8s, 192 /16s and 36 /24s
          Percentage of available address space announced:             32.9
          Percentage of allocated address space announced:             59.8
          Percentage of available address space allocated:             55.0
      Total number of prefixes smaller than registry allocations:     57742
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  20725
          Total APNIC prefixes after maximum aggregation:             12301
      Prefixes being announced from the APNIC address blocks:         19182
          Unique aggregates announced from the APNIC address blocks:  11850
      APNIC Region origin ASes present in the Internet Routing Table:  1758
      APNIC Region origin ASes announcing only one prefix:              516
      APNIC Region transit ASes present in the Internet Routing Table:  288
      Average APNIC Region AS path length visible:                      4.8
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:            108415488
          Equivalent to 6 /8s, 118 /16s and 74 /24s
          Percentage of available APNIC address space announced:       64.2
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7, 220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   75705
          Total ARIN prefixes after maximum aggregation:              47969
      Prefixes being announced from the ARIN address blocks:          53900
          Unique aggregates announced from the ARIN address blocks:   16821
      ARIN Region origin ASes present in the Internet Routing Table:   8263
      ARIN Region origin ASes announcing only one prefix:              2788
      ARIN Region transit ASes present in the Internet Routing Table:   793
      Average ARIN Region AS path length visible:                       4.5
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             188991296
          Equivalent to 11 /8s, 67 /16s and 199 /24s
          Percentage of available ARIN address space announced:        70.4
      
      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:                   21357
          Total RIPE prefixes after maximum aggregation:              15641
      Prefixes being announced from the RIPE address blocks:          17880
          Unique aggregates announced from the RIPE address blocks:   11859
      RIPE Region origin ASes present in the Internet Routing Table:   4470
      RIPE Region origin ASes announcing only one prefix:              2446
      RIPE Region transit ASes present in the Internet Routing Table:   808
      Average RIPE Region AS path length visible:                       5.2
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             128518400
          Equivalent to 7 /8s, 169 /16s and 9 /24s
          Percentage of available RIPE address space announced:        76.6
      
      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:                  5209
          Total LACNIC prefixes after maximum aggregation:             2211
      Prefixes being announced from the LACNIC address blocks:         4635
          Unique aggregates announced from the LACNIC address blocks:  2949
      LACNIC Region origin ASes present in the Internet Routing Table:  331
      LACNIC Region origin ASes announcing only one prefix:              87
      LACNIC Region transit ASes present in the Internet Routing Table:  70
      Average LACNIC Region AS path length visible:                     5.1
          Max LACNIC Region AS path length visible:                      15
      Number of LACNIC addresses announced to Internet:            12399872
          Equivalent to 0 /8s, 189 /16s and 53 /24s
          Percentage of available LACNIC address space announced:      73.9
      
      LACNIC AS Blocks       26592 - 26623, 27648 - 28671
      LACNIC Address Blocks  200/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1104       1106         808   Telstra Pty Ltd
        703      406        370         314   UUNET
       2907      385       1975         364   SINET Japan
      17557      375         28         141   Pakistan Telecom
       2764      324        340         291   connect.com.au pty ltd
       4134      314       2698         104   Data Communications Bureau
       7474      307        276         208   Optus Communications Pty Ltd
       4814      267         79          15   China Telecom (Group)
       3786      251        772         212   DACOM Corporation
      17676      237       3654          25   XTAGE CORPORATION
       4755      229        133          74   Videsh Sanchar Nigam Ltd. Aut
       9583      219         33          14   Satyam Infoway Ltd.,
       4766      211       2074         158   Korea Internet Exchange for "
       9443      179         58          78   Primus Telecommunications
       9800      174        221          46   CHINA UNICOM
       9238      135          8          17   TATA ISP
       4716      128        717         122   TTnet
       9498      128          9          19   BHARTI BT INTERNET LTD.
       4739      127         57         116   Commerical Internet eXchange 
       7539      127        166         121   TANet2, sponsored by NSC, TAI
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1576       8935        1116   UUNET Technologies, Inc. 
       7018     1350       7141         942   AT&T 
       3908     1073       1588         481   Supernet, Inc. 
       1239      978       3123         695   Sprint 
          1      690       8073         427   GENUITY 
       7132      674       5939         475   Southwestern Bell Internet Se
       7843      602        400         169   Adelphia Corp. 
       3561      593       2352         345   Cable & Wireless USA 
       4151      585        691          60   USDA 
       4323      562        490         174   Time Warner Communications, I
        852      553       1107         436   Telus Advanced Communications
      18566      543        122          13   Covad Communications 
        705      535        208         269   UUNET Technologies, Inc. 
        209      532       2105         339   Qwest 
        690      503         73         316   Merit Network 
       7066      500        204         255   Virginia Polytechnic Institut
       2386      499        481         247   AT&T Data Communications Serv
       6197      476        338         196   BellSouth Network Solutions, 
       6198      448        222         175   BellSouth Network Solutions, 
      20115      419        173         275   Charter Communications 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      783       2236         649   UUNET - Commercial IP service
       3301      311       1174         301   TeliaNet Sweden
       3215      308        835         173   France Telecom Transpac
       3320      267       1996         230   Deutsche Telekom AG
        680      232       2053         229   DFN-IP service G-WiN
       5400      223         77         106   BT Ignite European Backbone
       1257      217        328         191   SWIPnet Swedish IP Network
        719      202        307         125   LANLINK autonomous system
       5515      187        779         161   Sonera Solution Autonomous Sy
        786      180       1874         180   The JANET IP Service
      20858      153         17           3   This AS will be used to conne
       8708      150         42         146   Romania Data Systems S.A.
       3303      145        517         144   Swisscom Ltd
       8220      136        215         128   COLT Internet - International
      12302      123         18          30   MobiFon S.A.
       2856      119       1298         109   BTnet UK Regional network
       3269      112        753          62   TELECOM ITALIA
       3246      110        384         107   Song Networks
       3233      107         11          12   RNC - Romanian Natioanal R&D 
       3352      106        734          32   Ibernet, Internet Access Netw
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      290         98         107   ImpSat
       7303      241         36          59   Telecom Argentina Stet-France
       8151      216        349         116   UniNet S.A. de C.V. 
      11172      165         66          33   Servicios Alestra S.A de C.V 
       6503      155        191         109   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      11340      109          3          37   Red Universitaria Nacional 
      10620      107          7          31   TVCABLE BOGOTA 
       6147       76         62          20   Telefonica Del Peru 
       1916       75        306          45   Fundacao de Amparo a Pesquisa
      11992       74          8          36   Integrated Systems 
       6535       73          5          21   Chilesat Servicios  Empresari
       8065       73          6          18   Empresas Publicas de Medellin
      15311       71         27          36   Telefonica Empresas 
       4270       69         18          10   Red de Interconexion Universi
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
      11830       64          4          25   Instituto Costarricense de El
       7984       61         11          40   Global One Colombia 
      15034       59          5          31   TIBA SA 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1073         592      Supernet, Inc. 
      18566       543         530      Covad Communications 
       4151       585         525      USDA 
       7843       602         433      Adelphia Corp. 
       7018      1350         408      AT&T 
       4323       562         388      Time Warner Communications, I
       1221      1104         296      Telstra Pty Ltd
       6347       375         293      SAVVIS Communications Corpora
       1239       978         283      Sprint 
       6197       476         280      BellSouth Network Solutions, 
       4355       387         278      EarthLink, Inc. 
       6198       448         273      BellSouth Network Solutions, 
      22927       286         272      TELEFONICA DE ARGENTINA 
        705       535         266      UUNET Technologies, Inc. 
          1       690         263      GENUITY 
       2386       499         252      AT&T Data Communications Serv
       4814       267         252      China Telecom (Group)
       3561       593         248      Cable & Wireless USA 
      27364       265         247      Armstrong Cable Services 
       7066       500         245      Virginia Polytechnic Institut
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       1877   UNALLOCATED   192.108.199.0/24      1880       Stupi, house man's p
      65501   PRIVATE       200.73.26.0/24       18747       IFX Communication Ve
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      135.0.0.0/13         10455     Lucent Technologies 
      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
      192.136.135.0/24      1239     Sprint 
      192.153.136.0/21       568     DISO-UNRRA 
      192.158.249.0/24     27319     INTERNET SOFTWARE CONSORTIUM,
      192.172.0.0/19         568     DISO-UNRRA 
      192.243.36.0/23       2044     AUSNet, Inc. 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:3       /10:8       /11:13      /12:47      
      /13:91      /14:243     /15:455     /16:7365    /17:1636    /18:2939    
      /19:8272    /20:8227    /21:5866    /22:8858    /23:10655   /24:67415   
      /25:194     /26:198     /27:129     /28:125     /29:79      /30:90      
      /31:4       /32:68      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      671          1073      Supernet, Inc. 
      18566      538           543      Covad Communications 
        702      486           783      UUNET - Commercial IP service
       7018      465          1350      AT&T 
        701      459          1576      UUNET Technologies, Inc. 
        690      452           503      Merit Network 
       7066      399           500      Virginia Polytechnic Institut
       1239      374           978      Sprint 
       6197      355           476      BellSouth Network Solutions, 
       6198      355           448      BellSouth Network Solutions, 
       7843      355           602      Adelphia Corp. 
       2386      299           499      AT&T Data Communications Serv
      20115      292           419      Charter Communications 
      22927      285           286      TELEFONICA DE ARGENTINA 
        705      281           535      UUNET Technologies, Inc. 
       6140      277           290      ImpSat
      27364      258           265      Armstrong Cable Services 
       7303      240           241      Telecom Argentina Stet-France
       3215      232           308      France Telecom Transpac
        209      225           532      Qwest 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:664      13:1        15:4        17:2        20:10     
        24:770      25:1        32:93       38:63       40:18       44:2      
        55:1        57:16       61:462      62:515      63:1947     64:1475   
        65:1902     66:1606     67:202      68:301      69:70       80:335    
        81:109     128:149     129:210     130:45      131:83      132:11     
       133:11      134:146     135:4       136:113     137:111     138:106    
       139:67      140:149     141:85      142:97      143:47      144:95     
       145:16      146:266     147:90      148:274     149:74      150:42     
       151:66      152:248     153:52      154:2       155:112     156:45     
       157:44      158:123     159:140     160:33      161:61      162:127    
       163:81      164:307     165:145     166:74      167:322     168:397    
       169:56      170:316     171:6       192:5303    193:2392    194:1989   
       195:977     196:478     198:3570    199:3276    200:2883    202:3649   
       203:5050    204:3053    205:2025    206:2393    207:2407    208:2681   
       209:2816    210:733     211:332     212:988     213:773     214:20     
       215:22      216:3234    217:605     218:82      219:11      220:54     
      
      
      End of report