[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, 27 Sep 2002 20:05:09 +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 27 Sep, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            115493
          Prefixes after maximum aggregation:                         74306
          Unique aggregates announced to Internet:                    54740
      Total ASes present in the Internet Routing Table:               13819
      Origin-only ASes present in the Internet Routing Table:         11950
      Origin ASes announcing only one prefix:                          5354
      Transit ASes present in the Internet Routing Table:              1869
      Transit-only ASes present in the Internet Routing Table:           61
      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:              7
      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:                 1193952488
          Equivalent to 71 /8s, 42 /16s and 68 /24s
          Percentage of available address space announced:             32.2
          Percentage of allocated address space announced:             59.0
          Percentage of available address space allocated:             54.6
      Total number of prefixes smaller than registry allocations:     47686
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  18725
          Total APNIC prefixes after maximum aggregation:             11349
      Prefixes being announced from the APNIC address blocks:         17243
          Unique aggregates announced from the APNIC address blocks:  10956
      APNIC Region origin ASes present in the Internet Routing Table:  1620
      APNIC Region origin ASes announcing only one prefix:              529
      APNIC Region transit ASes present in the Internet Routing Table:  280
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       14
      Number of APNIC addresses announced to Internet:             97742368
          Equivalent to 5 /8s, 211 /16s and 110 /24s
          Percentage of available APNIC address space announced:       64.3
      
      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:                   72293
          Total ARIN prefixes after maximum aggregation:              46009
      Prefixes being announced from the ARIN address blocks:          50847
          Unique aggregates announced from the ARIN address blocks:   15576
      ARIN Region origin ASes present in the Internet Routing Table:   7759
      ARIN Region origin ASes announcing only one prefix:              2546
      ARIN Region transit ASes present in the Internet Routing Table:   753
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        18
      Number of ARIN addresses announced to Internet:             181229888
          Equivalent to 10 /8s, 205 /16s and 89 /24s
          Percentage of available ARIN address space announced:        67.5
      
      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:                   19657
          Total RIPE prefixes after maximum aggregation:              14869
      Prefixes being announced from the RIPE address blocks:          16289
          Unique aggregates announced from the RIPE address blocks:   10077
      RIPE Region origin ASes present in the Internet Routing Table:   4066
      RIPE Region origin ASes announcing only one prefix:              2199
      RIPE Region transit ASes present in the Internet Routing Table:   757
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        14
      Number of RIPE addresses announced to Internet:             117783680
          Equivalent to 7 /8s, 5 /16s and 60 /24s
          Percentage of available RIPE address space announced:        78.0
      
      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:                  4812
          Total LACNIC prefixes after maximum aggregation:             2079
      Prefixes being announced from the LACNIC address blocks:         4222
          Unique aggregates announced from the LACNIC address blocks:  2619
      LACNIC Region origin ASes present in the Internet Routing Table:  314
      LACNIC Region origin ASes announcing only one prefix:              80
      LACNIC Region transit ASes present in the Internet Routing Table:  67
      Average LACNIC Region AS path length visible:                     6.0
          Max LACNIC Region AS path length visible:                      17
      Number of LACNIC addresses announced to Internet:            11311872
          Equivalent to 0 /8s, 172 /16s and 155 /24s
          Percentage of available LACNIC address space announced:      67.4
      
      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     1197       1187         881   Telstra Pty Ltd
        703      396        368         311   UUNET
       2907      359       1815         339   SINET Japan
       2764      345        357         317   connect.com.au pty ltd
       7474      305        275         205   Optus Communications Pty Ltd
       4134      290       2268          96   Data Communications Bureau
      17557      288         21         110   Pakistan Telecom
       4755      253        141          73   Videsh Sanchar Nigam Ltd. Aut
       4766      249       1808         157   Korea Internet Exchange for "
       4814      224         80          16   China Telecom (Group)
      17676      221       3458          32   XTAGE CORPORATION
       9443      185         57          70   Primus Telecommunications
       9583      175         32           5   Satyam Infoway Ltd.,
       4515      139        102          80   Star Internet Services Ltd.
       9768      136        385          74   Korea Telecom
       7657      128         22          85   The Internet Group Limited
       9800      122        188          24   CHINA UNICOM
       4739      117         56         108   Commerical Internet eXchange 
       4713      116       1049         105   NTT Communications Corporatio
       9498      109          8          21   BHARTI BT INTERNET LTD.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     1787       9245        1287   UUNET Technologies, Inc. 
       7018     1323       7184         932   AT&T 
       1239     1121       3178         653   Sprint 
       3908     1047       1652         508   Supernet, Inc. 
        852      750       1145         454   Telus Advanced Communications
       7843      713        371         304   Adelphia Corp. 
          1      657       8088         434   GENUITY 
       7132      602        638         140   Southwestern Bell Internet Se
       7046      590        879         311   UUNET Technologies, Inc. 
       4323      523        435         165   Time Warner Communications, I
        209      521       2066         348   Qwest 
        690      517         75         324   Merit Network 
       7066      488        204         258   Virginia Polytechnic Institut
       2548      447       1118         274   Business Internet, Inc. 
       3549      418        727         298   Global Crossing 
        705      409        130         199   UUNET Technologies, Inc. 
       4355      382        292         104   EarthLink, Inc. 
       6197      382        597          39   BellSouth Network Solutions, 
       2914      368       2027         361   Verio, Inc. 
      15290      361        230         178   AT&T Canada IES 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      872       2406         727   UUNET - Commercial IP service
       3301      385        907         341   TeliaNet Sweden
       3215      294        677         170   France Telecom Transpac
       3320      243       1966         221   Deutsche Telekom AG
        680      238       2151         234   DFN-IP service G-WiN
       5400      215         86         102   BT Ignite European Backbone
       5515      214        783         177   Sonera Solution Autonomous Sy
       1257      202        444         199   SWIPnet Swedish IP Network
        719      190        306         130   LANLINK autonomous system
        786      177       1873         177   The JANET IP Service
       8708      148         41         143   Romania Data Systems S.A.
       3303      143        532         142   Swisscom Ltd
       2856      132        786         122   BTnet UK Regional network
      12302      124         18          31   MobiFon S.A.
       3246      123        373         116   Song Networks
       5511      109        189          87   France Telecom
       8220      108        168         101   COLT Internet - International
       3233      107         10           8   RNC - Romanian Natioanal R&D 
       2874      104         85          40   Global One Services AB
       3269      104        658          63   TELECOM ITALIA
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      199        298         110   UniNet S.A. de C.V. 
       7303      172         27          50   Telecom Argentina Stet-France
      11172      167         88          34   Servicios Alestra S.A de C.V 
       6503      159        206         113   AVANTEL, S.A. 
      10834      146         75          34   ADVANCE TELECOMUNICACIONES S.
      16814      107          7          13   NSS, S.A. 
      13999      103         19           8   Mega Cable S.A. de C.V. 
       6140       99         76          27   ImpSat USA, Inc. 
      10620       93          6          29   TVCABLE BOGOTA 
      11340       80          2          25   Red Universitaria Nacional 
      15034       74          6          32   TIBA SA 
       1916       73        409          40   Fundacao de Amparo a Pesquisa
      11992       70          7          30   Integrated Systems 
       4270       68         18          10   Red de Interconexion Universi
      15311       68         24          31   Telefonica Empresas 
       2277       66         16           3   ECUANET - CORPORACION ECUATOR
       7984       66         27          42   Global One Colombia 
       4926       64          4          52   Telintar S.A. 
       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      1047         539      Supernet, Inc. 
       1239      1121         468      Sprint 
       7132       602         462      Southwestern Bell Internet Se
       7843       713         409      Adelphia Corp. 
       7018      1323         391      AT&T 
       4323       523         358      Time Warner Communications, I
       6197       382         343      BellSouth Network Solutions, 
       1221      1197         316      Telstra Pty Ltd
        852       750         296      Telus Advanced Communications
       7046       590         279      UUNET Technologies, Inc. 
       4355       382         278      EarthLink, Inc. 
       6347       346         268      SAVVIS Communications Corpora
      18566       272         268      Covad Communications 
       4151       279         264      USDA 
        376       343         233      Reseau Interordinateurs Scien
       7066       488         230      Virginia Polytechnic Institut
          1       657         223      GENUITY 
        705       409         210      UUNET Technologies, Inc. 
       4814       224         208      China Telecom (Group)
      11492       215         201      Cable One 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65011   PRIVATE       207.8.204.0/24        4231       You Tools Corporatio
      65011   PRIVATE       207.8.227.0/24        4231       You Tools Corporatio
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      65506   PRIVATE       207.106.30.0/24       4231       You Tools Corporatio
      65011   PRIVATE       207.106.58.0/24       4231       You Tools Corporatio
      65011   PRIVATE       207.106.90.0/24       4231       You Tools Corporatio
      65011   PRIVATE       207.106.122.0/24      4231       You Tools Corporatio
      
      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        /8:19       /9:6       /10:7       /11:12      /12:37      
      /13:89      /14:236     /15:428     /16:7272    /17:1501    /18:2690    
      /19:7876    /20:7533    /21:5285    /22:8097    /23:9823    /24:63807   
      /25:165     /26:221     /27:115     /28:83      /29:48      /30:88      
      /31:0       /32:55      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       3908      618          1047      Supernet, Inc. 
        702      536           872      UUNET - Commercial IP service
       7843      524           713      Adelphia Corp. 
        701      487          1787      UUNET Technologies, Inc. 
        690      465           517      Merit Network 
       1239      445          1121      Sprint 
       7018      407          1323      AT&T 
       7066      386           488      Virginia Polytechnic Institut
       7046      276           590      UUNET Technologies, Inc. 
      18566      268           272      Covad Communications 
       6197      267           382      BellSouth Network Solutions, 
       6198      241           310      BellSouth Network Solutions, 
       3301      228           385      TeliaNet Sweden
       3215      225           294      France Telecom Transpac
       4355      220           382      EarthLink, Inc. 
      11492      210           215      Cable One 
       1580      198           211      ANOSCEUR 
        209      193           521      Qwest 
       5400      189           215      BT Ignite European Backbone
        705      185           409      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2        12:550      13:10       15:4        17:7        20:5      
        24:849      25:1        32:41       38:18       40:7        44:1      
        55:1        57:14       61:355      62:240      63:1918     64:1273   
        65:1573     66:1172     67:107      68:159      80:295      81:60     
       128:66      129:147     130:21      131:55      132:11      133:2      
       134:130     135:9       136:583     137:100     138:158     139:69     
       140:151     141:73      142:71      143:48      144:142     145:17     
       146:251     147:143     148:248     149:78      150:42      151:61     
       152:297     153:38      154:9       155:105     156:102     157:111    
       158:65      159:136     160:23      161:72      162:123     163:88     
       164:261     165:126     166:106     167:269     168:284     169:57     
       170:177     171:3       192:5384    193:2407    194:2019    195:812    
       196:427     198:3601    199:3081    200:2613    202:3394    203:4774   
       204:3297    205:2153    206:2419    207:2485    208:2614    209:2590   
       210:607     211:245     212:889     213:716     214:7       215:19     
       216:2916    217:502     218:44      219:2      
      
      End of report
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