[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, 11 Oct 2002 20:05:05 +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 11 Oct, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            116047
          Prefixes after maximum aggregation:                         74594
          Unique aggregates announced to Internet:                    55369
      Total ASes present in the Internet Routing Table:               13890
      Origin-only ASes present in the Internet Routing Table:         12024
      Origin ASes announcing only one prefix:                          5384
      Transit ASes present in the Internet Routing Table:              1866
      Transit-only ASes present in the Internet Routing Table:           57
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    18
      Illegal AS announcements present in the Routing Table:              1
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    35
      Number of addresses announced to Internet:                 1191976840
          Equivalent to 71 /8s, 12 /16s and 31 /24s
          Percentage of available address space announced:             32.2
          Percentage of allocated address space announced:             58.9
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     48282
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18882
          Total APNIC prefixes after maximum aggregation:             11416
      Prefixes being announced from the APNIC address blocks:         17387
          Unique aggregates announced from the APNIC address blocks:  11010
      APNIC Region origin ASes present in the Internet Routing Table:  1618
      APNIC Region origin ASes announcing only one prefix:              516
      APNIC Region transit ASes present in the Internet Routing Table:  279
      Average APNIC Region AS path length visible:                      5.2
          Max APNIC Region AS path length visible:                       12
      Number of APNIC addresses announced to Internet:             98137504
          Equivalent to 5 /8s, 217 /16s and 117 /24s
          Percentage of available APNIC address space announced:       64.5
      
      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:                   72702
          Total ARIN prefixes after maximum aggregation:              46189
      Prefixes being announced from the ARIN address blocks:          50871
          Unique aggregates announced from the ARIN address blocks:   15355
      ARIN Region origin ASes present in the Internet Routing Table:   7815
      ARIN Region origin ASes announcing only one prefix:              2579
      ARIN Region transit ASes present in the Internet Routing Table:   749
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        14
      Number of ARIN addresses announced to Internet:             181456224
          Equivalent to 10 /8s, 208 /16s and 205 /24s
          Percentage of available ARIN address space announced:        67.6
      
      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
      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:                   19796
          Total RIPE prefixes after maximum aggregation:              14934
      Prefixes being announced from the RIPE address blocks:          16469
          Unique aggregates announced from the RIPE address blocks:   10874
      RIPE Region origin ASes present in the Internet Routing Table:   4085
      RIPE Region origin ASes announcing only one prefix:              2208
      RIPE Region transit ASes present in the Internet Routing Table:   760
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        18
      Number of RIPE addresses announced to Internet:             115789696
          Equivalent to 6 /8s, 230 /16s and 207 /24s
          Percentage of available RIPE address space announced:        76.7
      
      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:                  4667
          Total LACNIC prefixes after maximum aggregation:             2055
      Prefixes being announced from the LACNIC address blocks:         4107
          Unique aggregates announced from the LACNIC address blocks:  2612
      LACNIC Region origin ASes present in the Internet Routing Table:  315
      LACNIC Region origin ASes announcing only one prefix:              81
      LACNIC Region transit ASes present in the Internet Routing Table:  66
      Average LACNIC Region AS path length visible:                     6.0
          Max LACNIC Region AS path length visible:                      17
      Number of LACNIC addresses announced to Internet:            11408640
          Equivalent to 0 /8s, 174 /16s and 21 /24s
          Percentage of available LACNIC address space announced:      68.0
      
      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     1198       1187         878   Telstra Pty Ltd
        703      396        368         312   UUNET
       2907      361       1831         341   SINET Japan
       2764      343        356         315   connect.com.au pty ltd
       7474      302        275         206   Optus Communications Pty Ltd
       4134      293       2268          95   Data Communications Bureau
      17557      292         21         113   Pakistan Telecom
       4755      271        139          74   Videsh Sanchar Nigam Ltd. Aut
       4766      249       1808         157   Korea Internet Exchange for "
       4814      225         79          15   China Telecom (Group)
      17676      224       3506          31   XTAGE CORPORATION
       9443      185         57          72   Primus Telecommunications
       9583      174         32           5   Satyam Infoway Ltd.,
       4515      136        102          77   Star Internet Services Ltd.
       9768      134        385          73   Korea Telecom
       4716      128        736         122   TTnet
       7657      127         22          84   The Internet Group Limited
       9800      122        188          24   CHINA UNICOM
       4739      117         56         108   Commerical Internet eXchange 
       4713      115       1049         104   NTT Communications Corporatio
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1785       9199        1279   UUNET Technologies, Inc. 
       7018     1344       7180         935   AT&T 
       3908     1051       1651         505   Supernet, Inc. 
       1239      877       3186         655   Sprint 
        852      736       1145         456   Telus Advanced Communications
       7843      722        371         308   Adelphia Corp. 
          1      659       8060         437   GENUITY 
       7132      594        672          69   Southwestern Bell Internet Se
       7046      578        878         303   UUNET Technologies, Inc. 
        209      577       2064         335   Qwest 
       4323      519        439         165   Time Warner Communications, I
        690      518         75         325   Merit Network 
       7066      490        204         257   Virginia Polytechnic Institut
       2548      438       1118         270   Business Internet, Inc. 
        705      411        130         201   UUNET Technologies, Inc. 
       3549      407        725         293   Global Crossing 
       6198      395        180         195   BellSouth Network Solutions, 
       6197      392        601          40   BellSouth Network Solutions, 
       4355      379        292         104   EarthLink, Inc. 
       2914      369       2027         362   Verio, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      910       2407         727   UUNET - Commercial IP service
       3301      381       1164         337   TeliaNet Sweden
       3215      296        677         172   France Telecom Transpac
       3320      243       1966         220   Deutsche Telekom AG
        680      238       2151         234   DFN-IP service G-WiN
       5515      212        783         176   Sonera Solution Autonomous Sy
       1257      205        444         201   SWIPnet Swedish IP Network
       5400      205         83          97   BT Ignite European Backbone
        719      192        307         131   LANLINK autonomous system
        786      176       1873         176   The JANET IP Service
       8708      163         41         146   Romania Data Systems S.A.
       2856      160        790         138   BTnet UK Regional network
       3303      144        532         143   Swisscom Ltd
      12302      123         18          30   MobiFon S.A.
       3246      122        373         115   Song Networks
       8220      112        168         104   COLT Internet - International
       5511      110        192          88   France Telecom
       3233      107         10           8   RNC - Romanian Natioanal R&D 
       3269      106        690          64   TELECOM ITALIA
       2874      103         85          39   Global One Services AB
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      204        330         111   UniNet S.A. de C.V. 
       7303      174         27          49   Telecom Argentina Stet-France
      11172      169         88          34   Servicios Alestra S.A de C.V 
       6140      154         78          45   ImpSat USA, Inc. 
       6503      150        174         108   AVANTEL, S.A. 
      16814      106          7          12   NSS, S.A. 
      13999      105         20           7   Mega Cable S.A. de C.V. 
      10620       99          6          30   TVCABLE BOGOTA 
      11340       79          2          24   Red Universitaria Nacional 
      15311       76         26          32   Telefonica Empresas 
       1916       74        425          41   Fundacao de Amparo a Pesquisa
      11992       72          7          30   Integrated Systems 
       4270       68         18          10   Red de Interconexion Universi
      15034       63          5          33   TIBA SA 
       2277       62         16           3   ECUANET - CORPORACION ECUATOR
       4926       62          4          50   Telintar S.A. 
       7984       62         27          42   Global One Colombia 
       8065       60          6          16   Empresas Publicas de Medellin
       7927       58          4          40   Global One Venezuela 
       6535       55          4          15   Chilesat Servicios  Empresari
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       3908      1051         546      Supernet, Inc. 
       7132       594         525      Southwestern Bell Internet Se
       7843       722         414      Adelphia Corp. 
       7018      1344         409      AT&T 
       4323       519         354      Time Warner Communications, I
       6197       392         352      BellSouth Network Solutions, 
       1221      1198         320      Telstra Pty Ltd
       1580       320         308      ANOSCEUR 
      18566       298         294      Covad Communications 
        852       736         280      Telus Advanced Communications
       4151       292         276      USDA 
       7046       578         275      UUNET Technologies, Inc. 
       4355       379         275      EarthLink, Inc. 
       6347       346         271      SAVVIS Communications Corpora
        209       577         242      Qwest 
       7066       490         233      Virginia Polytechnic Institut
        376       341         231      Reseau Interordinateurs Scien
       1239       877         222      Sprint 
          1       659         222      GENUITY 
        705       411         210      UUNET Technologies, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       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 
      164.236.0.0/16         568     DISO-UNRRA 
      192.31.242.0/24        771     NASA Ames Research Center 
      192.44.0.0/19          702     UUNET - Commercial IP service
      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       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       /9:6       /10:7       /11:12      /12:38      
      /13:90      /14:240     /15:430     /16:7262    /17:1504    /18:2720    
      /19:7888    /20:7548    /21:5317    /22:8188    /23:9906    /24:64089   
      /25:177     /26:221     /27:115     /28:76      /29:55      /30:101     
      /31:0       /32:39      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      621          1051      Supernet, Inc. 
        702      572           910      UUNET - Commercial IP service
       7843      534           722      Adelphia Corp. 
        701      491          1785      UUNET Technologies, Inc. 
        690      465           518      Merit Network 
       7018      429          1344      AT&T 
       7066      388           490      Virginia Polytechnic Institut
       6198      311           395      BellSouth Network Solutions, 
       1580      307           320      ANOSCEUR 
      18566      292           298      Covad Communications 
       6197      276           392      BellSouth Network Solutions, 
       1239      263           877      Sprint 
       7046      263           578      UUNET Technologies, Inc. 
        209      258           577      Qwest 
       3215      227           296      France Telecom Transpac
       3301      226           381      TeliaNet Sweden
      11492      219           224      Cable One 
       4355      217           379      EarthLink, Inc. 
        705      187           411      UUNET Technologies, Inc. 
       3320      185           243      Deutsche Telekom AG
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:4        12:550      13:10       15:4        17:7        20:4      
        24:836      25:1        32:42       38:23       40:8        44:1      
        55:1        57:14       61:358      62:244      63:1870     64:1276   
        65:1583     66:1191     67:110      68:140      69:8        80:303    
        81:62      128:115     129:126     130:19      131:62      132:9      
       133:2       134:128     135:9       136:512     137:111     138:202    
       139:71      140:167     141:66      142:69      143:49      144:153    
       145:17      146:240     147:224     148:247     149:81      150:41     
       151:77      152:295     153:41      154:8       155:104     156:102    
       157:105     158:72      159:138     160:21      161:74      162:123    
       163:86      164:260     165:127     166:105     167:284     168:301    
       169:62      170:194     171:6       192:5386    193:2429    194:2021   
       195:822     196:439     198:3617    199:3083    200:2528    202:3452   
       203:4826    204:3291    205:2115    206:2391    207:2471    208:2575   
       209:2590    210:595     211:276     212:886     213:777     214:9      
       215:19      216:2963    217:521     218:50      219:2      
      
      End of report
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