[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, 25 Apr 2003 20:06:58 +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 25 Apr, 2003
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            125034
          Prefixes after maximum aggregation:                         78339
          Unique aggregates announced to Internet:                    59209
      Total ASes present in the Internet Routing Table:               15085
      Origin-only ASes present in the Internet Routing Table:         13083
      Origin ASes announcing only one prefix:                          5929
      Transit ASes present in the Internet Routing Table:              2002
      Transit-only ASes present in the Internet Routing Table:           74
      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:              4
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from unallocated address space:           20
      Number of addresses announced to Internet:                 1225460768
          Equivalent to 73 /8s, 11 /16s and 12 /24s
          Percentage of available address space announced:             33.1
          Percentage of allocated address space announced:             59.1
          Percentage of available address space allocated:             55.9
      Total number of prefixes smaller than registry allocations:     54233
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  21127
          Total APNIC prefixes after maximum aggregation:             12280
      Prefixes being announced from the APNIC address blocks:         19587
          Unique aggregates announced from the APNIC address blocks:  11959
      APNIC Region origin ASes present in the Internet Routing Table:  1785
      APNIC Region origin ASes announcing only one prefix:              522
      APNIC Region transit ASes present in the Internet Routing Table:  298
      Average APNIC Region AS path length visible:                      5.0
          Max APNIC Region AS path length visible:                       17
      Number of APNIC addresses announced to Internet:            110650848
          Equivalent to 6 /8s, 152 /16s and 101 /24s
          Percentage of available APNIC address space announced:       59.6
      
      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:                   77124
          Total ARIN prefixes after maximum aggregation:              48056
      Prefixes being announced from the ARIN address blocks:          55210
          Unique aggregates announced from the ARIN address blocks:   16616
      ARIN Region origin ASes present in the Internet Routing Table:   8361
      ARIN Region origin ASes announcing only one prefix:              2857
      ARIN Region transit ASes present in the Internet Routing Table:   799
      Average ARIN Region AS path length visible:                       4.6
          Max ARIN Region AS path length visible:                        17
      Number of ARIN addresses announced to Internet:             191099136
          Equivalent to 11 /8s, 99 /16s and 241 /24s
          Percentage of available ARIN address space announced:        71.2
      
      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:                   21450
          Total RIPE prefixes after maximum aggregation:              15776
      Prefixes being announced from the RIPE address blocks:          18002
          Unique aggregates announced from the RIPE address blocks:   12057
      RIPE Region origin ASes present in the Internet Routing Table:   4533
      RIPE Region origin ASes announcing only one prefix:              2462
      RIPE Region transit ASes present in the Internet Routing Table:   807
      Average RIPE Region AS path length visible:                       5.4
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             129303424
          Equivalent to 7 /8s, 181 /16s and 3 /24s
          Percentage of available RIPE address space announced:        70.1
      
      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:                  5329
          Total LACNIC prefixes after maximum aggregation:             2227
      Prefixes being announced from the LACNIC address blocks:         4745
          Unique aggregates announced from the LACNIC address blocks:  2931
      LACNIC Region origin ASes present in the Internet Routing Table:  334
      LACNIC Region origin ASes announcing only one prefix:              88
      LACNIC Region transit ASes present in the Internet Routing Table:  67
      Average LACNIC Region AS path length visible:                     5.2
          Max LACNIC Region AS path length visible:                      25
      Number of LACNIC addresses announced to Internet:            12482048
          Equivalent to 0 /8s, 190 /16s and 118 /24s
          Percentage of available LACNIC address space announced:      37.2
      
      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     1101       1104         789   Telstra Pty Ltd
       4755      415        136          75   Videsh Sanchar Nigam Ltd. Aut
        703      398        383         312   UUNET
       2907      385       1976         362   SINET Japan
      17557      376         28         138   Pakistan Telecom
       2764      322        341         290   connect.com.au pty ltd
       4814      287         85          22   China Telecom (Group)
       7474      270        276         206   Optus Communications Pty Ltd
      17676      244       3766          22   XTAGE CORPORATION
       3786      242        773         209   DACOM Corporation
       4134      224       2014         114   Data Communications Bureau
       9583      220         33          14   Satyam Infoway Ltd.,
       4766      214       2078         160   Korea Internet Exchange for "
       9443      179         58          78   Primus Telecommunications
       9800      177        250          55   CHINA UNICOM
       9238      140          8          17   TATA ISP
       4739      130         57         119   Commerical Internet eXchange 
       9498      129          9          12   BHARTI BT INTERNET LTD.
       9768      127        384          64   Korea Telecom
       4716      126        729         120   TTnet
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1577       8923        1112   UUNET Technologies, Inc. 
       7018     1349       7164         937   AT&T 
       7132      959       6476         209   Southwestern Bell Internet Se
       1239      958       3095         676   Sprint 
       3908      919       1570         470   Supernet, Inc. 
       4151      908        691          60   USDA 
          1      732       2749         465   GENUITY 
       7843      729        408         182   Adelphia Corp. 
        189      704        341         289   Genuity 
       4323      576        514         169   Time Warner Communications, I
        852      547       1110         430   Telus Advanced Communications
      18566      546        144           5   Covad Communications 
        705      529        278         234   UUNET Technologies, Inc. 
       2386      514        482         276   AT&T Data Communications Serv
       3561      513       2357         335   Cable & Wireless USA 
        690      494         72         312   Merit Network 
        209      492       2120         293   Qwest 
       7066      481        204         257   Virginia Polytechnic Institut
       6197      480        340         196   BellSouth Network Solutions, 
      20115      475        189         295   Charter Communications 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      774       2186         644   UUNET - Commercial IP service
       3301      309       1173         299   TeliaNet Sweden
       3215      303        851         175   France Telecom Transpac
       3320      265       2004         225   Deutsche Telekom AG
        680      231       2051         228   DFN-IP service G-WiN
       1257      227        327         189   SWIPnet Swedish IP Network
       5400      204        112         114   BT Ignite European Backbone
       8220      200        365         189   COLT Internet - International
        719      197        307         125   LANLINK autonomous system
       5515      196        779         168   Sonera Solution Autonomous Sy
        786      180       1874         180   The JANET IP Service
      20858      164         17           3   This AS will be used to conne
       8708      155         44         151   Romania Data Systems S.A.
       3303      141        517         140   Swisscom Ltd
      12302      127         18          34   MobiFon S.A.
       2856      120       1298         110   BTnet UK Regional network
       3269      112        755          63   TELECOM ITALIA
       3246      109        383         106   Song Networks
       3352      108        750          31   Ibernet, Internet Access Netw
       2874       96         85          39   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6140      294         99         105   ImpSat
       7303      253         36          66   Telecom Argentina Stet-France
       8151      216        334         118   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 
       6147       91         62          20   Telefonica Del Peru 
      11992       89          8          37   Integrated Systems 
      11340       82          2          26   Red Universitaria Nacional 
       1916       75        306          45   Fundacao de Amparo a Pesquisa
       8065       75          6          15   Empresas Publicas de Medellin
      13999       74         36           8   Mega Cable S.A. de C.V. 
       6535       73          5          22   Chilesat Servicios  Empresari
      15311       72         28          36   Telefonica Empresas 
      11830       66          4          26   Instituto Costarricense de El
       4270       65         18          10   Red de Interconexion Universi
       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       908         848      USDA 
       7132       959         750      Southwestern Bell Internet Se
       7843       729         547      Adelphia Corp. 
      18566       546         541      Covad Communications 
       3908       919         449      Supernet, Inc. 
        189       704         415      Genuity 
       7018      1349         412      AT&T 
       4323       576         407      Time Warner Communications, I
       4755       415         340      Videsh Sanchar Nigam Ltd. Aut
       1221      1101         312      Telstra Pty Ltd
        705       529         295      UUNET Technologies, Inc. 
       6347       371         292      SAVVIS Communications Corpora
       6197       480         284      BellSouth Network Solutions, 
      22927       297         284      TELEFONICA DE ARGENTINA 
       6198       458         283      BellSouth Network Solutions, 
       1239       958         282      Sprint 
       4355       388         279      EarthLink, Inc. 
          1       732         267      GENUITY 
       4814       287         265      China Telecom (Group)
      27364       270         252      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
      64515   PRIVATE       202.174.42.0/24      17909       AirNet Commercial Au
      64514   PRIVATE       203.28.47.0/24       17909       AirNet Commercial Au
      64512   PRIVATE       203.34.180.0/24      17909       AirNet Commercial Au
      
      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 
      192.16.52.0/24        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 
      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       /9:7       /10:8       /11:13      /12:50      
      /13:93      /14:251     /15:463     /16:7386    /17:1666    /18:2964    
      /19:8371    /20:8343    /21:6028    /22:8943    /23:10537   /24:69430   
      /25:137     /26:186     /27:53      /28:25      /29:13      /30:24      
      /31:0       /32:25      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        189      625           704      Genuity 
       3908      575           919      Supernet, Inc. 
      18566      540           546      Covad Communications 
        702      481           774      UUNET - Commercial IP service
       7018      477          1349      AT&T 
       7843      471           729      Adelphia Corp. 
        690      443           494      Merit Network 
        701      429          1577      UUNET Technologies, Inc. 
       7066      380           481      Virginia Polytechnic Institut
       6198      361           458      BellSouth Network Solutions, 
       6197      358           480      BellSouth Network Solutions, 
       1239      356           958      Sprint 
      20115      341           475      Charter Communications 
      11305      311           334      Interland Incorporated 
       2386      308           514      AT&T Data Communications Serv
       4814      274           287      China Telecom (Group)
      27364      263           270      Armstrong Cable Services 
          1      257           732      GENUITY 
      22927      235           297      TELEFONICA DE ARGENTINA 
       3215      226           303      France Telecom Transpac
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
        12:687      13:1        15:4        17:3        20:8        24:825    
        25:1        32:85       38:61       40:18       44:2        55:1      
        57:16       61:429      62:535      63:1902     64:1558     65:1932   
        66:2390     67:168      68:358      69:114      80:341      81:129    
       128:157     129:178     130:45      131:82      132:11      133:2      
       134:155     135:4       136:113     137:109     138:109     139:66     
       140:147     141:105     142:95      143:44      144:102     145:15     
       146:270     147:94      148:278     149:72      150:43      151:68     
       152:246     153:57      154:2       155:108     156:46      157:40     
       158:124     159:144     160:37      161:74      162:142     163:78     
       164:306     165:140     166:84      167:331     168:407     169:57     
       170:317     171:7       192:5349    193:2412    194:1991    195:1004   
       196:464     198:3564    199:3587    200:2952    202:3775    203:5186   
       204:3071    205:2005    206:2424    207:2400    208:2648    209:2843   
       210:775     211:311     212:963     213:797     214:21      215:21     
       216:3363    217:622     218:90      219:21      220:92     
      
      End of report