[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, 13 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 13 Sep, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            114537
          Prefixes after maximum aggregation:                         74233
          Unique aggregates announced to Internet:                    54821
      Total ASes present in the Internet Routing Table:               13713
      Origin-only ASes present in the Internet Routing Table:         11865
      Origin ASes announcing only one prefix:                          5321
      Transit ASes present in the Internet Routing Table:              1848
      Transit-only ASes present in the Internet Routing Table:           57
      Average AS path length visible in the Internet Routing Table:     5.4
          Max AS path length visible:                                    23
      Illegal AS announcements present in the Routing Table:              5
      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:                 1208978732
          Equivalent to 72 /8s, 15 /16s and 141 /24s
          Percentage of available address space announced:             32.6
          Percentage of allocated address space announced:             59.8
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     46861
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18747
          Total APNIC prefixes after maximum aggregation:             11428
      Prefixes being announced from the APNIC address blocks:         17224
          Unique aggregates announced from the APNIC address blocks:  10901
      APNIC Region origin ASes present in the Internet Routing Table:  1614
      APNIC Region origin ASes announcing only one prefix:              526
      APNIC Region transit ASes present in the Internet Routing Table:  276
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             97048032
          Equivalent to 5 /8s, 200 /16s and 213 /24s
          Percentage of available APNIC address space announced:       63.8
      
      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:                   71347
          Total ARIN prefixes after maximum aggregation:              45844
      Prefixes being announced from the ARIN address blocks:          50041
          Unique aggregates announced from the ARIN address blocks:   15807
      ARIN Region origin ASes present in the Internet Routing Table:   7715
      ARIN Region origin ASes announcing only one prefix:              2536
      ARIN Region transit ASes present in the Internet Routing Table:   738
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        23
      Number of ARIN addresses announced to Internet:             180714176
          Equivalent to 10 /8s, 197 /16s and 122 /24s
          Percentage of available ARIN address space announced:        67.3
      
      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:                   19538
          Total RIPE prefixes after maximum aggregation:              14814
      Prefixes being announced from the RIPE address blocks:          16151
          Unique aggregates announced from the RIPE address blocks:    9963
      RIPE Region origin ASes present in the Internet Routing Table:   4012
      RIPE Region origin ASes announcing only one prefix:              2176
      RIPE Region transit ASes present in the Internet Routing Table:   745
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        16
      Number of RIPE addresses announced to Internet:             117499008
          Equivalent to 7 /8s, 0 /16s and 228 /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:                  4902
          Total LACNIC prefixes after maximum aggregation:             2147
      Prefixes being announced from the LACNIC address blocks:         4209
          Unique aggregates announced from the LACNIC address blocks:  2617
      LACNIC Region origin ASes present in the Internet Routing Table:  316
      LACNIC Region origin ASes announcing only one prefix:              83
      LACNIC Region transit ASes present in the Internet Routing Table:  71
      Average LACNIC Region AS path length visible:                     6.0
          Max LACNIC Region AS path length visible:                      17
      Number of LACNIC addresses announced to Internet:            11196416
          Equivalent to 0 /8s, 170 /16s and 216 /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     1202       1188         884   Telstra Pty Ltd
        703      393        367         306   UUNET
       2907      360       1832         339   SINET Japan
       2764      354        357         325   connect.com.au pty ltd
       7474      315        276         211   Optus Communications Pty Ltd
       4134      292       2268          96   Data Communications Bureau
      17557      275         20         107   Pakistan Telecom
       4755      260        142          73   Videsh Sanchar Nigam Ltd. Aut
       4766      250       1824         158   Korea Internet Exchange for "
      17676      220       3442          33   XTAGE CORPORATION
       4814      215         79          15   China Telecom (Group)
       9443      183         57          69   Primus Telecommunications
       9583      173         32           5   Satyam Infoway Ltd.,
       9768      145        385          74   Korea Telecom
       4515      139        102          80   Star Internet Services Ltd.
       7657      130         22          90   The Internet Group Limited
       9800      122        188          24   CHINA UNICOM
       4739      117         56         108   Commerical Internet eXchange 
       4713      114        985         105   NTT Communications Corporatio
       9498      103          8          22   BHARTI BT INTERNET LTD.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1762       9127        1350   UUNET Technologies, Inc. 
       7018     1312       7192         931   AT&T 
       3908     1058       1666         508   Supernet, Inc. 
       1239      840       3178         648   Sprint 
        852      732       1175         451   Telus Advanced Communications
       7843      677        372         262   Adelphia Corp. 
          1      666       8066         439   GENUITY 
       7046      614        867         312   UUNET Technologies, Inc. 
       7132      603        664         143   Southwestern Bell Internet Se
       4323      537        435         164   Time Warner Communications, I
        690      519         75         326   Merit Network 
        209      518       2066         349   Qwest 
       7066      490        204         258   Virginia Polytechnic Institut
       2548      443       1102         272   Business Internet, Inc. 
       3549      417        726         299   Global Crossing 
       6197      382        613          40   BellSouth Network Solutions, 
      15290      362        230         178   AT&T Canada IES 
       2914      360       2025         356   Verio, Inc. 
       4355      360        287          84   EarthLink, Inc. 
       6347      346        371          77   SAVVIS Communications Corpora
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      876       2430         734   UUNET - Commercial IP service
       3301      388        907         344   TeliaNet Sweden
       3215      293        657         180   France Telecom Transpac
       3320      247       1964         213   Deutsche Telekom AG
        680      238       2151         234   DFN-IP service G-WiN
       5515      217        783         178   Sonera Solution Autonomous Sy
       5400      214         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      146         41         141   Romania Data Systems S.A.
       3303      143        546         142   Swisscom Ltd
       2856      123        785         115   BTnet UK Regional network
      12302      122         17          29   MobiFon S.A.
       3246      120        372         113   Song Networks
       5511      110        192          88   France Telecom
       3233      108         10           9   RNC - Romanian Natioanal R&D 
       3269      104        658          63   TELECOM ITALIA
       8220      104        167          98   COLT Internet - International
       2874      103         85          40   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      192        290         110   UniNet S.A. de C.V. 
      11340      180          7          70   Red Universitaria Nacional 
       7303      171         27          49   Telecom Argentina Stet-France
      11172      166         72          33   Servicios Alestra S.A de C.V 
       6503      165        207         115   AVANTEL, S.A. 
      10834      147         92          36   ADVANCE TELECOMUNICACIONES S.
      16814      107          7          13   NSS, S.A. 
      13999      103         19           8   Mega Cable S.A. de C.V. 
      10620       90          6          27   TVCABLE BOGOTA 
       1916       73        409          40   Fundacao de Amparo a Pesquisa
      15034       73          6          29   TIBA SA 
      11992       71          7          29   Integrated Systems 
       2277       69         16           3   ECUANET - CORPORACION ECUATOR
       7984       69         27          43   Global One Colombia 
      15311       69         25          32   Telefonica Empresas 
       4270       68         18          10   Red de Interconexion Universi
       4926       64          4          52   Telintar S.A. 
       7993       59          9          30   Global One Chile 
       8065       59          6          16   Empresas Publicas de Medellin
      16528       57          5          35   ImpSat S.A. 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1058         550      Supernet, Inc. 
       7132       603         460      Southwestern Bell Internet Se
       7843       677         415      Adelphia Corp. 
       7018      1312         381      AT&T 
       4323       537         373      Time Warner Communications, I
       6197       382         342      BellSouth Network Solutions, 
       1221      1202         318      Telstra Pty Ltd
       7046       614         302      UUNET Technologies, Inc. 
        852       732         281      Telus Advanced Communications
       4355       360         276      EarthLink, Inc. 
       6347       346         269      SAVVIS Communications Corpora
       4151       283         268      USDA 
      18566       270         266      Covad Communications 
        376       342         233      Reseau Interordinateurs Scien
       7066       490         232      Virginia Polytechnic Institut
          1       666         227      GENUITY 
       4814       215         200      China Telecom (Group)
       1580       212         200      ANOSCEUR 
       4134       292         196      Data Communications Bureau
      11492       204         196      Cable One 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65502   PRIVATE       194.59.34.0/23       12312       Tiscali Germany ASN 
      65502   PRIVATE       194.127.132.0/24     12312       Tiscali Germany ASN 
      65502   PRIVATE       194.127.133.0/24     12312       Tiscali Germany ASN 
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      24997   UNALLOCATED   217.11.160.0/20       8342       Rostelecom Internet 
      
      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       /9:6       /10:7       /11:12      /12:36      
      /13:88      /14:236     /15:425     /16:7266    /17:1490    /18:2689    
      /19:7853    /20:7517    /21:5251    /22:8025    /23:9742    /24:62995   
      /25:204     /26:234     /27:141     /28:83      /29:50      /30:109     
      /31:1       /32:57      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      627          1058      Supernet, Inc. 
        702      532           876      UUNET - Commercial IP service
        701      494          1762      UUNET Technologies, Inc. 
       7843      480           677      Adelphia Corp. 
        690      465           519      Merit Network 
       7018      395          1312      AT&T 
       7066      388           490      Virginia Polytechnic Institut
       7046      297           614      UUNET Technologies, Inc. 
       6197      266           382      BellSouth Network Solutions, 
      18566      266           270      Covad Communications 
       6198      243           315      BellSouth Network Solutions, 
       1239      237           840      Sprint 
       3301      230           388      TeliaNet Sweden
       3215      225           293      France Telecom Transpac
       4355      206           360      EarthLink, Inc. 
      11492      200           204      Cable One 
       1580      199           212      ANOSCEUR 
        209      191           518      Qwest 
       5400      188           214      BT Ignite European Backbone
       3320      178           247      Deutsche Telekom AG
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:1        12:548      13:10       15:2        17:7        20:4      
        24:849      25:1        32:41       38:7        40:6        44:1      
        55:1        57:14       61:333      62:243      63:1831     64:1240   
        65:1489     66:1130     67:101      68:93       80:276      81:52     
       128:65      129:155     130:21      131:55      132:11      133:2      
       134:130     135:9       136:574     137:94      138:152     139:69     
       140:158     141:72      142:67      143:50      144:141     145:17     
       146:260     147:141     148:248     149:77      150:41      151:57     
       152:310     153:37      154:11      155:104     156:70      157:110    
       158:65      159:137     160:49      161:75      162:128     163:87     
       164:261     165:122     166:105     167:267     168:121     169:61     
       170:170     171:3       192:5464    193:2347    194:2022    195:819    
       196:425     198:3579    199:3088    200:2626    202:3346    203:4808   
       204:3263    205:2112    206:2400    207:2448    208:2555    209:2547   
       210:626     211:244     212:879     213:720     214:8       215:19     
       216:2878    217:486     218:46      219:1      
      
      End of report
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