[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, 9 May 2003 20:06:40 +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 09 May, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            125563
          Prefixes after maximum aggregation:                         78379
          Unique aggregates announced to Internet:                    59211
      Total ASes present in the Internet Routing Table:               15152
      Origin-only ASes present in the Internet Routing Table:         13121
      Origin ASes announcing only one prefix:                          5974
      Transit ASes present in the Internet Routing Table:              2031
      Transit-only ASes present in the Internet Routing Table:           72
      Average AS path length visible in the Internet Routing Table:     4.8
          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:           18
      Number of addresses announced to Internet:                 1229405952
          Equivalent to 73 /8s, 71 /16s and 63 /24s
          Percentage of available address space announced:             33.2
          Percentage of allocated address space announced:             59.3
          Percentage of available address space allocated:             55.9
      Total number of prefixes smaller than registry allocations:     54495
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  21283
          Total APNIC prefixes after maximum aggregation:             12344
      Prefixes being announced from the APNIC address blocks:         19735
          Unique aggregates announced from the APNIC address blocks:  12033
      APNIC Region origin ASes present in the Internet Routing Table:  1793
      APNIC Region origin ASes announcing only one prefix:              523
      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:                       18
      Number of APNIC addresses announced to Internet:            113092064
          Equivalent to 6 /8s, 189 /16s and 165 /24s
          Percentage of available APNIC address space announced:       60.9
      
      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:                   77245
          Total ARIN prefixes after maximum aggregation:              47957
      Prefixes being announced from the ARIN address blocks:          55269
          Unique aggregates announced from the ARIN address blocks:   16490
      ARIN Region origin ASes present in the Internet Routing Table:   8384
      ARIN Region origin ASes announcing only one prefix:              2874
      ARIN Region transit ASes present in the Internet Routing Table:   805
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             191589376
          Equivalent to 11 /8s, 107 /16s and 108 /24s
          Percentage of available ARIN address space announced:        71.4
      
      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:                   21702
          Total RIPE prefixes after maximum aggregation:              15842
      Prefixes being announced from the RIPE address blocks:          18224
          Unique aggregates announced from the RIPE address blocks:   12048
      RIPE Region origin ASes present in the Internet Routing Table:   4570
      RIPE Region origin ASes announcing only one prefix:              2490
      RIPE Region transit ASes present in the Internet Routing Table:   820
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        19
      Number of RIPE addresses announced to Internet:             130081408
          Equivalent to 7 /8s, 192 /16s and 226 /24s
          Percentage of available RIPE address space announced:        70.5
      
      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:                  5331
          Total LACNIC prefixes after maximum aggregation:             2236
      Prefixes being announced from the LACNIC address blocks:         4750
          Unique aggregates announced from the LACNIC address blocks:  3020
      LACNIC Region origin ASes present in the Internet Routing Table:  333
      LACNIC Region origin ASes announcing only one prefix:              87
      LACNIC Region transit ASes present in the Internet Routing Table:  69
      Average LACNIC Region AS path length visible:                     5.4
          Max LACNIC Region AS path length visible:                      24
      Number of LACNIC addresses announced to Internet:            12505856
          Equivalent to 0 /8s, 190 /16s and 211 /24s
          Percentage of available LACNIC address space announced:      37.3
      
      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     1083       1103         771   Telstra Pty Ltd
       4755      415        134          72   Videsh Sanchar Nigam Ltd. Aut
       2907      388       1993         365   SINET Japan
        703      386        382         307   UUNET
      17557      369         26         146   Pakistan Telecom
       2764      317        341         281   connect.com.au pty ltd
       4814      294         85          21   China Telecom (Group)
       7474      271        291         207   Optus Communications Pty Ltd
      17676      247       3814          19   XTAGE CORPORATION
       3786      242        773         209   DACOM Corporation
       4134      226       2038         116   Data Communications Bureau
       9583      220         33          14   Satyam Infoway Ltd.,
       4766      216       2478         162   Korea Internet Exchange for "
       9443      183         58          82   Primus Telecommunications
       9800      179        259          57   CHINA UNICOM
       9238      139          8          17   TATA ISP
       4739      136         57         125   Commerical Internet eXchange 
       9498      133          9          19   BHARTI BT INTERNET LTD.
       4716      126        729         120   TTnet
       9768      126        384          64   Korea Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1564       8904        1102   UUNET Technologies, Inc. 
       7018     1334       7154         924   AT&T 
       4151     1083        691          60   USDA 
       1239      964       3091         676   Sprint 
       7132      963       6476         208   Southwestern Bell Internet Se
       3908      918       1571         473   Supernet, Inc. 
          1      729       2710         464   GENUITY 
        189      706        341         289   Genuity 
       7843      655        346         169   Adelphia Corp. 
       4323      586        514         169   Time Warner Communications, I
      18566      576        160           8   Covad Communications 
        852      550       1156         431   Telus Advanced Communications
       2386      546        483         277   AT&T Data Communications Serv
        705      533        286         237   UUNET Technologies, Inc. 
       3561      507       2340         329   Cable & Wireless USA 
        209      490       2104         295   Qwest 
       7066      486        204         260   Virginia Polytechnic Institut
       6197      483        340         193   BellSouth Network Solutions, 
        690      482         69         315   Merit Network 
      20115      466        191         288   Charter Communications 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      758       2172         639   UUNET - Commercial IP service
       3320      347       2004         229   Deutsche Telekom AG
       3301      307       1157         297   TeliaNet Sweden
       3215      303        852         174   France Telecom Transpac
        680      232       2053         229   DFN-IP service G-WiN
       1257      226        327         188   SWIPnet Swedish IP Network
       5400      201        111         113   BT Ignite European Backbone
       8220      201        366         190   COLT Internet - International
        719      193        307         125   LANLINK autonomous system
       5515      189        795         153   Sonera Solution Autonomous Sy
        786      180       1874         180   The JANET IP Service
      20858      165         17           3   This AS will be used to conne
       8708      164         44         151   Romania Data Systems S.A.
       3303      141        517         140   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       2856      124       1299         113   BTnet UK Regional network
       3269      114        787          62   TELECOM ITALIA
       3246      109        383         106   Song Networks
       3352      107        748          30   Ibernet, Internet Access Netw
       2874       97         85          38   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      291         98         105   ImpSat
       7303      255         36          64   Telecom Argentina Stet-France
       8151      220        335         122   UniNet S.A. de C.V. 
      11172      166         66          36   Servicios Alestra S.A de C.V 
       6503      141        206         101   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340      104          3          33   Red Universitaria Nacional 
       6147       91         62          20   Telefonica Del Peru 
      11992       88          8          36   Integrated Systems 
       4270       74         18          10   Red de Interconexion Universi
       8065       74          8          16   Empresas Publicas de Medellin
      13999       74         36           8   Mega Cable S.A. de C.V. 
       1916       73        306          43   Fundacao de Amparo a Pesquisa
       6535       73          5          22   Chilesat Servicios  Empresari
      15311       72         28          36   Telefonica Empresas 
      11830       67          5          27   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
       7984       61         11          41   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151      1083        1023      USDA 
       7132       963         755      Southwestern Bell Internet Se
      18566       576         568      Covad Communications 
       7843       655         486      Adelphia Corp. 
       3908       918         445      Supernet, Inc. 
        189       706         417      Genuity 
       4323       586         417      Time Warner Communications, I
       7018      1334         410      AT&T 
       4755       415         343      Videsh Sanchar Nigam Ltd. Aut
       1221      1083         312      Telstra Pty Ltd
        705       533         296      UUNET Technologies, Inc. 
       6197       483         290      BellSouth Network Solutions, 
       6347       371         290      SAVVIS Communications Corpora
       4355       393         289      EarthLink, Inc. 
       1239       964         288      Sprint 
       6198       463         287      BellSouth Network Solutions, 
      22927       297         284      TELEFONICA DE ARGENTINA 
       4814       294         273      China Telecom (Group)
       2386       546         269      AT&T Data Communications Serv
          1       729         265      GENUITY 
      
      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
      64512   PRIVATE       194.67.54.0/24        3216       Teleross, Moscow, Ru
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      137.0.0.0/13           568     DISO-UNRRA 
      158.0.0.0/13           568     DISO-UNRRA 
      192.16.52.0/24        1239     Sprint 
      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 
      192.158.254.0/24       705     UUNET Technologies, Inc. 
      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        /8:18       /9:5       /10:8       /11:13      /12:51      
      /13:93      /14:253     /15:468     /16:7418    /17:1677    /18:2969    
      /19:8385    /20:8389    /21:6004    /22:8959    /23:10636   /24:69736   
      /25:159     /26:184     /27:52      /28:25      /29:13      /30:22      
      /31:0       /32:26      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      627           706      Genuity 
       3908      574           918      Supernet, Inc. 
      18566      570           576      Covad Communications 
       7018      467          1334      AT&T 
        702      465           758      UUNET - Commercial IP service
        701      433          1564      UUNET Technologies, Inc. 
        690      431           482      Merit Network 
       7843      418           655      Adelphia Corp. 
       7066      383           486      Virginia Polytechnic Institut
       6198      362           463      BellSouth Network Solutions, 
       6197      360           483      BellSouth Network Solutions, 
       1239      357           964      Sprint 
       2386      329           546      AT&T Data Communications Serv
      20115      329           466      Charter Communications 
       3320      290           347      Deutsche Telekom AG
       4814      280           294      China Telecom (Group)
      27364      263           270      Armstrong Cable Services 
          1      253           729      GENUITY 
      22927      235           297      TELEFONICA DE ARGENTINA 
       3215      226           303      France Telecom Transpac
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:695      13:1        15:4        16:1        17:3        20:8      
        24:804      25:1        32:87       38:121      40:19       44:2      
        55:1        57:16       61:444      62:609      63:1863     64:1642   
        65:1924     66:2420     67:182      68:367      69:121      80:362    
        81:156     128:146     129:180     130:45      131:80      132:11     
       133:1       134:143     135:4       136:113     137:107     138:108    
       139:65      140:139     141:111     142:98      143:44      144:100    
       145:17      146:269     147:95      148:288     149:72      150:44     
       151:78      152:244     153:57      154:2       155:112     156:46     
       157:42      158:127     159:147     160:37      161:73      162:142    
       163:76      164:308     165:142     166:95      167:334     168:408    
       169:62      170:308     171:7       192:5342    193:2422    194:1978   
       195:1036    196:461     198:3562    199:3743    200:2957    202:3804   
       203:5168    204:3036    205:2059    206:2355    207:2406    208:2616   
       209:2872    210:781     211:323     212:958     213:793     214:20     
       215:23      216:3215    217:621     218:90      219:22      220:93     
      
      
      End of report