[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, 11 Apr 2003 20:05:53 +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 11 Apr, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            124049
          Prefixes after maximum aggregation:                         78292
          Unique aggregates announced to Internet:                    59307
      Total ASes present in the Internet Routing Table:               14970
      Origin-only ASes present in the Internet Routing Table:         12977
      Origin ASes announcing only one prefix:                          5887
      Transit ASes present in the Internet Routing Table:              1993
      Transit-only ASes present in the Internet Routing Table:           70
      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:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           20
      Number of addresses announced to Internet:                 1206880288
          Equivalent to 71 /8s, 239 /16s and 136 /24s
          Percentage of available address space announced:             32.6
          Percentage of allocated address space announced:             58.2
          Percentage of available address space allocated:             55.9
      Total number of prefixes smaller than registry allocations:     58512
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  20748
          Total APNIC prefixes after maximum aggregation:             12172
      Prefixes being announced from the APNIC address blocks:         19182
          Unique aggregates announced from the APNIC address blocks:  11860
      APNIC Region origin ASes present in the Internet Routing Table:  1766
      APNIC Region origin ASes announcing only one prefix:              519
      APNIC Region transit ASes present in the Internet Routing Table:  290
      Average APNIC Region AS path length visible:                      4.9
          Max APNIC Region AS path length visible:                       16
      Number of APNIC addresses announced to Internet:            109842432
          Equivalent to 6 /8s, 140 /16s and 16 /24s
          Percentage of available APNIC address space announced:       59.2
      
      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:                   76640
          Total ARIN prefixes after maximum aggregation:              48173
      Prefixes being announced from the ARIN address blocks:          54924
          Unique aggregates announced from the ARIN address blocks:   16806
      ARIN Region origin ASes present in the Internet Routing Table:   8306
      ARIN Region origin ASes announcing only one prefix:              2829
      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:                        17
      Number of ARIN addresses announced to Internet:             190251264
          Equivalent to 11 /8s, 87 /16s and 1 /24s
          Percentage of available ARIN address space announced:        70.9
      
      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:                   21362
          Total RIPE prefixes after maximum aggregation:              15737
      Prefixes being announced from the RIPE address blocks:          17881
          Unique aggregates announced from the RIPE address blocks:   11986
      RIPE Region origin ASes present in the Internet Routing Table:   4498
      RIPE Region origin ASes announcing only one prefix:              2454
      RIPE Region transit ASes present in the Internet Routing Table:   811
      Average RIPE Region AS path length visible:                       5.3
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             128928000
          Equivalent to 7 /8s, 175 /16s and 73 /24s
          Percentage of available RIPE address space announced:        76.8
      
      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:                  5297
          Total LACNIC prefixes after maximum aggregation:             2210
      Prefixes being announced from the LACNIC address blocks:         4681
          Unique aggregates announced from the LACNIC address blocks:  2960
      LACNIC Region origin ASes present in the Internet Routing Table:  330
      LACNIC Region origin ASes announcing only one prefix:              85
      LACNIC Region transit ASes present in the Internet Routing Table:  68
      Average LACNIC Region AS path length visible:                     5.1
          Max LACNIC Region AS path length visible:                      15
      Number of LACNIC addresses announced to Internet:            12420096
          Equivalent to 0 /8s, 189 /16s and 132 /24s
          Percentage of available LACNIC address space announced:      37.0
      
      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     1100       1105         790   Telstra Pty Ltd
        703      394        365         313   UUNET
       2907      379       1974         358   SINET Japan
      17557      378         28         142   Pakistan Telecom
       2764      323        341         291   connect.com.au pty ltd
       7474      271        276         207   Optus Communications Pty Ltd
       4814      270         79          15   China Telecom (Group)
       3786      245        775         212   DACOM Corporation
      17676      239       3686          26   XTAGE CORPORATION
       4755      236        135          75   Videsh Sanchar Nigam Ltd. Aut
       4134      235       1999         122   Data Communications Bureau
       9583      220         33          14   Satyam Infoway Ltd.,
       4766      210       2078         159   Korea Internet Exchange for "
       9443      180         58          79   Primus Telecommunications
       9800      175        244          53   CHINA UNICOM
       9238      140          8          17   TATA ISP
       7476      137        182          29   The University of Queensland
       4739      129         57         118   Commerical Internet eXchange 
       4716      128        731         122   TTnet
       9498      126          9          10   BHARTI BT INTERNET LTD.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1596       8895        1124   UUNET Technologies, Inc. 
       7018     1360       7172         941   AT&T 
       1239      967       3120         681   Sprint 
       3908      933       1571         475   Supernet, Inc. 
       7132      802       6148         414   Southwestern Bell Internet Se
          1      772       2846         493   GENUITY 
        189      706        341         291   Genuity 
       4151      691        691          58   USDA 
       7843      645        401         163   Adelphia Corp. 
       3561      585       2351         337   Cable & Wireless USA 
       4323      568        498         165   Time Warner Communications, I
        852      549       1110         430   Telus Advanced Communications
      18566      540        128           6   Covad Communications 
        209      535       2140         302   Qwest 
       2386      508        482         269   AT&T Data Communications Serv
        690      495         73         316   Merit Network 
        705      487        229         215   UUNET Technologies, Inc. 
       7066      485        204         255   Virginia Polytechnic Institut
       6197      476        338         196   BellSouth Network Solutions, 
       6198      455        226         174   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      779       2203         646   UUNET - Commercial IP service
       3215      320        851         175   France Telecom Transpac
       3301      309       1157         299   TeliaNet Sweden
       3320      269       1997         231   Deutsche Telekom AG
        680      232       2053         229   DFN-IP service G-WiN
       1257      216        327         190   SWIPnet Swedish IP Network
       5400      196         97         110   BT Ignite European Backbone
       5515      196        779         168   Sonera Solution Autonomous Sy
        719      195        307         125   LANLINK autonomous system
        786      180       1874         180   The JANET IP Service
       8220      169        298         159   COLT Internet - International
      20858      161         17           3   This AS will be used to conne
       8708      155         44         151   Romania Data Systems S.A.
       3303      144        517         143   Swisscom Ltd
      12302      126         18          33   MobiFon S.A.
       2856      119       1298         109   BTnet UK Regional network
       3269      112        755          63   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      294         99         105   ImpSat
       7303      242         36          61   Telecom Argentina Stet-France
       8151      217        334         119   UniNet S.A. de C.V. 
      11172      163         66          33   Servicios Alestra S.A de C.V 
       6503      154        207         108   AVANTEL, S.A. 
      16814      139          9          18   NSS, S.A. 
      10620      113          7          33   TVCABLE BOGOTA 
      11340      106          3          34   Red Universitaria Nacional 
       6147       90         62          20   Telefonica Del Peru 
      11992       90          9          36   Integrated Systems 
       1916       75        306          45   Fundacao de Amparo a Pesquisa
       8065       75          6          15   Empresas Publicas de Medellin
       6535       74          5          19   Chilesat Servicios  Empresari
      13999       74         36           8   Mega Cable S.A. de C.V. 
      15311       72         28          36   Telefonica Empresas 
       4270       68         18          10   Red de Interconexion Universi
      11830       65          4          26   Instituto Costarricense de El
       7080       64          4           1   Electronica y Comunicaciones 
       7927       64          5          39   Global One Venezuela 
       7984       61         11          40   Global One Colombia 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4151       691         633      USDA 
      18566       540         534      Covad Communications 
       7843       645         482      Adelphia Corp. 
       3908       933         458      Supernet, Inc. 
       7018      1360         419      AT&T 
        189       706         415      Genuity 
       4323       568         403      Time Warner Communications, I
       7132       802         388      Southwestern Bell Internet Se
       1221      1100         310      Telstra Pty Ltd
       1239       967         286      Sprint 
       6347       368         286      SAVVIS Communications Corpora
       6198       455         281      BellSouth Network Solutions, 
       6197       476         280      BellSouth Network Solutions, 
          1       772         279      GENUITY 
        705       487         272      UUNET Technologies, Inc. 
       4355       373         272      EarthLink, Inc. 
      22927       286         272      TELEFONICA DE ARGENTINA 
       4814       270         255      China Telecom (Group)
       3561       585         248      Cable & Wireless USA 
      27364       266         248      Armstrong Cable Services 
      
      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
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
      65501   PRIVATE       200.73.26.0/24       18747       IFX Communication Ve
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      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 
      192.16.52.0/24        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 
      192.158.249.0/24     27319     INTERNET SOFTWARE CONSORTIUM,
      192.158.251.0/24     27321     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        /8:17       /9:5       /10:8       /11:13      /12:47      
      /13:92      /14:251     /15:464     /16:7379    /17:1636    /18:2952    
      /19:8309    /20:8210    /21:5922    /22:8847    /23:10647   /24:68727   
      /25:158     /26:193     /27:52      /28:26      /29:13      /30:44      
      /31:0       /32:37      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      627           706      Genuity 
       3908      592           933      Supernet, Inc. 
      18566      534           540      Covad Communications 
        702      485           779      UUNET - Commercial IP service
        701      476          1596      UUNET Technologies, Inc. 
       7018      476          1360      AT&T 
        690      444           495      Merit Network 
       7843      392           645      Adelphia Corp. 
       7066      384           485      Virginia Polytechnic Institut
       1239      367           967      Sprint 
       6198      359           455      BellSouth Network Solutions, 
       6197      355           476      BellSouth Network Solutions, 
      11305      318           341      Interland Incorporated 
       2386      304           508      AT&T Data Communications Serv
      20115      299           426      Charter Communications 
      22927      285           286      TELEFONICA DE ARGENTINA 
       6140      281           294      ImpSat
          1      272           772      GENUITY 
      27364      259           266      Armstrong Cable Services 
       3215      243           320      France Telecom Transpac
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:1        12:677      13:1        15:4        17:3        20:9      
        24:801      25:1        32:86       38:63       40:18       44:2      
        55:1        57:17       61:407      62:519      63:1883     64:1557   
        65:1916     66:2357     67:161      68:338      69:102      80:329    
        81:128     128:150     129:180     130:45      131:135     132:11     
       133:2       134:151     135:4       136:113     137:110     138:105    
       139:66      140:118     141:91      142:95      143:46      144:113    
       145:16      146:269     147:93      148:277     149:71      150:46     
       151:68      152:246     153:57      154:2       155:107     156:46     
       157:44      158:124     159:141     160:36      161:75      162:129    
       163:78      164:309     165:134     166:75      167:328     168:396    
       169:56      170:316     171:7       192:5349    193:2414    194:1985   
       195:994     196:464     198:3558    199:3386    200:2912    202:3673   
       203:5077    204:3066    205:2012    206:2426    207:2424    208:2665   
       209:2883    210:750     211:339     212:983     213:776     214:20     
       215:21      216:3301    217:635     218:85      219:13      220:54     
      
      
      End of report