[apops] Weekly Routing Table Report

  • To: apops at lists dot apnic 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, 6 Sep 2002 20:05:06 +1000 (EST)
  • Reply-to: pfs@cisco.com
  • Sender: owner-apops@lists.apnic.net
    • This is an automated weekly mailing describing the state of the Internet
      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 06 Sep, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            114501
          Prefixes after maximum aggregation:                         74294
          Unique aggregates announced to Internet:                    54850
      Total ASes present in the Internet Routing Table:               13650
      Origin-only ASes present in the Internet Routing Table:         11815
      Origin ASes announcing only one prefix:                          5300
      Transit ASes present in the Internet Routing Table:              1835
      Transit-only ASes present in the Internet Routing Table:           56
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    18
      Illegal AS announcements present in the Routing Table:              2
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    34
      Number of addresses announced to Internet:                 1207827004
          Equivalent to 71 /8s, 253 /16s and 250 /24s
          Percentage of available address space announced:             32.6
          Percentage of allocated address space announced:             59.7
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     46777
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18510
          Total APNIC prefixes after maximum aggregation:             11375
      Prefixes being announced from the APNIC address blocks:         17011
          Unique aggregates announced from the APNIC address blocks:  10830
      APNIC Region origin ASes present in the Internet Routing Table:  1601
      APNIC Region origin ASes announcing only one prefix:              521
      APNIC Region transit ASes present in the Internet Routing Table:  273
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       13
      Number of APNIC addresses announced to Internet:             96131296
          Equivalent to 5 /8s, 186 /16s and 216 /24s
          Percentage of available APNIC address space announced:       63.2
      
      APNIC AS Blocks        4608 - 4864, 7467 - 7722, 9216 - 10239
                             17408 - 18431, 23552 - 24575
      APNIC Address Blocks   61/8, 202/7, 210/7, 218/7 and 220/7
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   71511
          Total ARIN prefixes after maximum aggregation:              45997
      Prefixes being announced from the ARIN address blocks:          50144
          Unique aggregates announced from the ARIN address blocks:   15874
      ARIN Region origin ASes present in the Internet Routing Table:   7692
      ARIN Region origin ASes announcing only one prefix:              2537
      ARIN Region transit ASes present in the Internet Routing Table:   731
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        18
      Number of ARIN addresses announced to Internet:             180457168
          Equivalent to 10 /8s, 193 /16s and 142 /24s
          Percentage of available ARIN address space announced:        67.2
      
      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
      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:                   19595
          Total RIPE prefixes after maximum aggregation:              14791
      Prefixes being announced from the RIPE address blocks:          16186
          Unique aggregates announced from the RIPE address blocks:    9942
      RIPE Region origin ASes present in the Internet Routing Table:   3987
      RIPE Region origin ASes announcing only one prefix:              2160
      RIPE Region transit ASes present in the Internet Routing Table:   742
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             117451392
          Equivalent to 7 /8s, 0 /16s and 42 /24s
          Percentage of available RIPE address space announced:        77.8
      
      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
      RIPE Address Blocks    62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                  4884
          Total LACNIC prefixes after maximum aggregation:             2131
      Prefixes being announced from the LACNIC address blocks:         4200
          Unique aggregates announced from the LACNIC address blocks:  2636
      LACNIC Region origin ASes present in the Internet Routing Table:  315
      LACNIC Region origin ASes announcing only one prefix:              82
      LACNIC Region transit ASes present in the Internet Routing Table:  72
      Average LACNIC Region AS path length visible:                     6.1
          Max LACNIC Region AS path length visible:                      17
      Number of LACNIC addresses announced to Internet:            11193600
          Equivalent to 0 /8s, 170 /16s and 205 /24s
          Percentage of available LACNIC address space announced:      66.7
      
      LACNIC AS Blocks       26592 - 26623
      LACNIC Address Blocks  200/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1206       1188         885   Telstra Pty Ltd
        703      393        368         306   UUNET
       2907      359       1800         338   SINET Japan
       2764      354        357         325   connect.com.au pty ltd
       7474      316        292         212   Optus Communications Pty Ltd
       4134      290       2220          95   Data Communications Bureau
      17557      281         21         111   Pakistan Telecom
       4766      253       1827         160   Korea Internet Exchange for "
       4755      241        142          73   Videsh Sanchar Nigam Ltd. Aut
       4814      214         79          14   China Telecom (Group)
      17676      212       3314          34   XTAGE CORPORATION
       9443      183         57          69   Primus Telecommunications
       9583      175         32           5   Satyam Infoway Ltd.,
       9768      145        385          74   Korea Telecom
       4515      139        102          80   Star Internet Services Ltd.
       7657      129         22          89   The Internet Group Limited
       9800      122        188          24   CHINA UNICOM
       4739      117         56         108   Commerical Internet eXchange 
       4713      115       1001         106   NTT Communications Corporatio
       9498      101          8          22   BHARTI BT INTERNET LTD.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1755       9109        1347   UUNET Technologies, Inc. 
       7018     1307       7204         930   AT&T 
       3908     1047       1665         502   Supernet, Inc. 
       1239      834       3225         647   Sprint 
        852      731       1175         452   Telus Advanced Communications
          1      674       8057         438   GENUITY 
       7843      653        372         251   Adelphia Corp. 
       7046      603        865         310   UUNET Technologies, Inc. 
       7132      602        664         143   Southwestern Bell Internet Se
       4323      555        435         171   Time Warner Communications, I
        209      520       2066         349   Qwest 
        690      519         75         326   Merit Network 
       7066      498        204         258   Virginia Polytechnic Institut
       2548      442       1113         271   Business Internet, Inc. 
       3549      418        726         300   Global Crossing 
       6197      381        613          39   BellSouth Network Solutions, 
      15290      363        230         179   AT&T Canada IES 
       4355      358        287          84   EarthLink, Inc. 
       2914      356       2024         356   Verio, Inc. 
       6347      345        371          77   SAVVIS Communications Corpora
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      886       2427         743   UUNET - Commercial IP service
       3301      391        907         344   TeliaNet Sweden
       5515      319        783         179   Sonera Solution Autonomous Sy
       3215      291        641         179   France Telecom Transpac
       3320      247       1964         213   Deutsche Telekom AG
        680      238       2151         234   DFN-IP service G-WiN
       5400      213         85         101   BT Ignite European Backbone
       1257      205        444         202   SWIPnet Swedish IP Network
        719      191        306         130   LANLINK autonomous system
        786      177       1873         177   The JANET IP Service
       8708      147         41         142   Romania Data Systems S.A.
       3303      143        546         142   Swisscom Ltd
       2856      126        786         116   BTnet UK Regional network
      12302      122         17          29   MobiFon S.A.
       3246      121        373         114   Song Networks
       5511      110        192          88   France Telecom
       3233      107         10           9   RNC - Romanian Natioanal R&D 
       3269      106        658          63   TELECOM ITALIA
       8220      103        167          97   COLT Internet - International
       2874      102         85          39   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      194        306         110   UniNet S.A. de C.V. 
      11340      178          7          69   Red Universitaria Nacional 
       7303      171         27          49   Telecom Argentina Stet-France
       6503      165        191         115   AVANTEL, S.A. 
      11172      164         72          33   Servicios Alestra S.A de C.V 
      10834      146         91          35   ADVANCE TELECOMUNICACIONES S.
      16814      107          7          13   NSS, S.A. 
      13999      103         19           8   Mega Cable S.A. de C.V. 
      10620       85          5          25   TVCABLE BOGOTA 
       1916       74        425          41   Fundacao de Amparo a Pesquisa
       4270       73         18          10   Red de Interconexion Universi
      15034       72          6          29   TIBA SA 
      11992       71         23          29   Integrated Systems 
       2277       69         16           3   ECUANET - CORPORACION ECUATOR
       7984       69         27          43   Global One Colombia 
      15311       69         25          32   Telefonica Empresas 
       6535       67          4          14   Chilesat Servicios  Empresari
       4926       65          4          53   Telintar S.A. 
       7993       59          9          30   Global One Chile 
      16528       59          5          32   ImpSat S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1047         545      Supernet, Inc. 
       7132       602         459      Southwestern Bell Internet Se
       7843       653         402      Adelphia Corp. 
       4323       555         384      Time Warner Communications, I
       7018      1307         377      AT&T 
       6197       381         342      BellSouth Network Solutions, 
       1221      1206         321      Telstra Pty Ltd
       7046       603         293      UUNET Technologies, Inc. 
       4151       303         288      USDA 
        852       731         279      Telus Advanced Communications
       4355       358         274      EarthLink, Inc. 
       6347       345         268      SAVVIS Communications Corpora
      18566       266         262      Covad Communications 
       7066       498         240      Virginia Polytechnic Institut
          1       674         236      GENUITY 
        376       341         230      Reseau Interordinateurs Scien
       4814       214         200      China Telecom (Group)
       1580       210         199      ANOSCEUR 
       4134       290         195      Data Communications Bureau
        690       519         193      Merit Network 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65004   PRIVATE       192.231.93.0/24       5786       University of Puerto
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16        7170     AT&T Government Markets 
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      138.94.0.0/16            1     GENUITY 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.58.92.0/24       19548     Adelphia Business Solutions 
      192.72.0.0/18         4780     Digital United Inc.
      192.72.0.0/16         4780     Digital United Inc.
      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
      192.91.198.0/24       2568     CTS Network Services 
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T 
      192.136.79.0/24        719     LANLINK autonomous system
      192.136.86.0/24        719     LANLINK autonomous system
      192.136.87.0/24        719     LANLINK autonomous system
      192.136.88.0/24        719     LANLINK autonomous system
      192.136.136.0/24      7046     UUNET Technologies, Inc. 
      192.136.136.0/22       568     DISO-UNRRA 
      192.139.62.0/24       6539     GT Group Telecom Services Cor
      192.140.0.0/16        5511     France Telecom
      192.153.136.0/21       568     DISO-UNRRA 
      192.156.0.0/19         568     DISO-UNRRA 
      192.156.164.0/24     19548     Adelphia Business Solutions 
      192.172.0.0/19         568     DISO-UNRRA 
      192.208.29.0/24       3908     Supernet, Inc. 
      192.208.30.0/23       3908     Supernet, Inc. 
      192.243.36.0/23       7168     Northwest Link 
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:20       /9:8       /10:7       /11:12      /12:37      
      /13:88      /14:235     /15:423     /16:7251    /17:1484    /18:2680    
      /19:7816    /20:7478    /21:5213    /22:8023    /23:9743    /24:63123   
      /25:202     /26:231     /27:135     /28:81      /29:45      /30:103     
      /31:1       /32:62      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      617          1047      Supernet, Inc. 
        702      540           886      UUNET - Commercial IP service
        701      493          1755      UUNET Technologies, Inc. 
        690      465           519      Merit Network 
       7843      452           653      Adelphia Corp. 
       7018      388          1307      AT&T 
       7066      388           498      Virginia Polytechnic Institut
       7046      288           603      UUNET Technologies, Inc. 
       6197      265           381      BellSouth Network Solutions, 
      18566      262           266      Covad Communications 
       6198      242           312      BellSouth Network Solutions, 
       1239      232           834      Sprint 
       3301      232           391      TeliaNet Sweden
       3215      224           291      France Telecom Transpac
       4355      206           358      EarthLink, Inc. 
       1580      198           210      ANOSCEUR 
      11492      194           198      Cable One 
        209      193           520      Qwest 
       5400      187           213      BT Ignite European Backbone
       4323      185           555      Time Warner Communications, I
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:1        12:549      13:10       15:2        17:7        20:4      
        24:802      25:1        32:41       38:7        40:6        44:1      
        55:1        57:14       61:324      62:244      63:1831     64:1225   
        65:1476     66:1106     67:99       68:91       80:270      81:54     
       128:67      129:159     130:21      131:55      132:11      133:2      
       134:124     135:9       136:578     137:95      138:148     139:69     
       140:160     141:71      142:70      143:50      144:139     145:17     
       146:256     147:142     148:248     149:77      150:41      151:59     
       152:265     153:36      154:11      155:107     156:70      157:112    
       158:65      159:140     160:45      161:73      162:124     163:89     
       164:255     165:124     166:104     167:267     168:120     169:61     
       170:182     171:3       192:5476    193:2375    194:2068    195:821    
       196:418     198:3684    199:3107    200:2623    202:3289    203:4754   
       204:3275    205:2126    206:2498    207:2471    208:2567    209:2608   
       210:622     211:242     212:887     213:705     214:8       215:19     
       216:2872    217:480     218:40      219:1      
      
      End of report
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