[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, 18 Jan 2002 20:08:25 +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 18 Jan, 2002
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            108261
          Prefixes after maximum aggregation:                         72190
          Unique aggregates announced to Internet:                    52166
      Total ASes present in the Internet Routing Table:               12391
      Origin-only ASes present in the Internet Routing Table:         10752
      Origin ASes announcing only one prefix:                          4679
      Transit ASes present in the Internet Routing Table:              1639
      Transit-only ASes present in the Internet Routing Table:           56
      Average AS path length visible in the Internet Routing Table:     5.3
          Max AS path length visible:                                    16
      Illegal AS announcements present in the Routing Table:              3
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    16
      Number of addresses announced to Internet:                 1178011528
          Equivalent to 70 /8s, 55 /16s and 7 /24s
          Percentage of available address space announced:             31.8
          Percentage of allocated address space announced:             60.1
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     72395
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  17281
          Total APNIC prefixes after maximum aggregation:             10639
      Prefixes being announced from the APNIC address blocks:         15741
          Unique aggregates announced from the APNIC address blocks:   9781
      APNIC Region origin ASes present in the Internet Routing Table:  1431
      APNIC Region origin ASes announcing only one prefix:              470
      APNIC Region transit ASes present in the Internet Routing Table:  248
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             78623808
          Equivalent to 4 /8s, 175 /16s and 180 /24s
          Percentage of available APNIC address space announced:       58.1
      
      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 220/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                   73140
          Total ARIN prefixes after maximum aggregation:              47605
      Prefixes being announced from the ARIN address blocks:          51855
          Unique aggregates announced from the ARIN address blocks:   17055
      ARIN Region origin ASes present in the Internet Routing Table:   7341
      ARIN Region origin ASes announcing only one prefix:              2282
      ARIN Region transit ASes present in the Internet Routing Table:   742
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             183883716
          Equivalent to 10 /8s, 245 /16s and 215 /24s
          Percentage of available ARIN address space announced:        68.5
      
      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
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                   17839
          Total RIPE prefixes after maximum aggregation:              13946
      Prefixes being announced from the RIPE address blocks:          14571
          Unique aggregates announced from the RIPE address blocks:    9728
      RIPE Region origin ASes present in the Internet Routing Table:   3563
      RIPE Region origin ASes announcing only one prefix:              1927
      RIPE Region transit ASes present in the Internet Routing Table:   641
      Average RIPE Region AS path length visible:                       5.8
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             106005504
          Equivalent to 6 /8s, 81 /16s and 132 /24s
          Percentage of available RIPE address space announced:        70.2
      
      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
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       1221     1337       1243         982   Telstra Pty Ltd
       4538      448       1098          14   China Education and Research 
        703      402        341         306   UUNET Technologies, Inc. 
       2764      393        377         369   connect.com.au pty ltd
       2907      392       1905         362   SINET Japan
       7474      315        286         206   Optus Communications Pty Ltd
       4755      302        114          95   Videsh Sanchar Nigam Ltd. Aut
       4134      268       1858         100   Data Communications Bureau
       4766      190       1391         152   Korea Internet Exchange for "
      17557      183         14          84   Pakistan Telecom
       9443      160         44          59   Primus Telecommunications
       7539      151        138         150   TANet2, sponsored by NSC, TAI
       4740      147         34         121   OzEmail ISP
       1659      144        924          34   Taiwan Academic Network (TANe
       9583      144         32           5   Satyam Infoway Ltd.,
       9768      144        385          88   Korea Telecom
       7657      124         21          84   The Internet Group Limited
      17676      121       1920           7   XTAGE CORPORATION
       4713      115        894         102   NTT Communications Corporatio
       4780      114        186          40   Digital United Inc.
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1091       2617         859   UUNET Technologies, Inc. 
       3301      400        924         351   TeliaNet Sweden
       1257      255        489         249   SWIPnet Swedish IP Network
       3215      234        562         152   France Telecom / &Equant
        680      233       2149         231   DFN-IP service G-WiN
       5515      219        705         176   Sonera Finland Autonomous Sys
       3320      192       1961         170   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       5400      155         62          86   Concert European Core Network
       8708      150         20         140   Romania Data Systems S.A.
       2856      135        775         124   BTnet UK Regional network
       3303      125        575         124   Swisscom Ltd
       3269      115        663          70   TELECOM ITALIA
      12302      114          7          35   MobiFon S.A.
       8297      113         37          62   Teleglobe Autonomous System i
        517      104        227         102   KPNQwest Germany GmbH
       1290       96        412          71   PSINet UK Ltd.
       5549       96         78          59   Nextra Deutschland GmbH + Co.
       1267       92       1471          42   Infostrada S.p.A.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2124       8806        1533   UUNET Technologies, Inc. 
       7018     1715       7563         971   AT&T 
          1      854       8312         620   BBN Planet 
       3908      782       1656         462   Supernet, Inc. 
       1239      776       3156         603   Sprint 
       3967      680        369         271   Exodus Communication 
       7046      635        836         426   UUNET Technologies, Inc. 
       4323      617        412         216   Time Warner Communications, I
        852      583        978         380   Telus Advanced Communications
        690      539         77         318   Merit Network 
        209      513       1875         293   Qwest 
        705      492        449         308   UUNET Technologies, Inc. 
       2914      455       2192         424   Verio, Inc. 
       7132      448        502         159   Southwestern Bell Internet Se
       4293      418         90         310   Cable & Wireless USA 
       3549      417        835         211   Global Crossing 
       2149      389        214         326   Performance Systems, Inc. 
       2386      384        354         243   AT&T Data Communications Serv
       3561      369       2236         324   Cable & Wireless USA 
        577      354        604         222   Bell Advanced Communications 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7018      1715         744      AT&T 
       4538       448         434      China Education and Research 
       3967       680         409      Exodus Communication 
       4323       617         401      Time Warner Communications, I
       1221      1337         355      Telstra Pty Ltd
       3908       782         320      Supernet, Inc. 
       4151       336         320      USDA 
       7132       448         289      Southwestern Bell Internet Se
      11371       278         271      Rhythms NetConnections 
       6347       322         241      SAVVIS Communications Corpora
          1       854         234      BBN Planet 
        702      1091         232      UUNET Technologies, Inc. 
        690       539         221      Merit Network 
        209       513         220      Qwest 
       7046       635         209      UUNET Technologies, Inc. 
       4755       302         207      Videsh Sanchar Nigam Ltd. Aut
       3549       417         206      Global Crossing 
       4355       237         206      EarthLink, Inc. 
        852       583         203      Telus Advanced Communications
       6517       229         197      Yipes Communications, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       1877   UNALLOCATED   192.108.201.0/24      1880       Stupi, house man's p
       5757   UNALLOCATED   207.19.224.0/24        701       UUNET Technologies, 
      65001   PRIVATE       212.143.172.0/22      1680       NetVision Elronet As
      
      Advertised Unregistered Addresses
      ---------------------------------
      
      Network            Origin AS  Description
      39.0.0.0/8            4554     Exchange Point Blocks 
      126.0.0.0/8           7336     Compass Communications 
      132.0.0.0/10           568     DISO-UNRRA 
      134.137.0.0/16         400     Headquarters Standard Systems
      135.0.0.0/13         10455     Lucent Technologies 
      137.0.0.0/13           568     DISO-UNRRA 
      138.94.0.0/16            1     BBN Planet 
      144.7.0.0/16           701     UUNET Technologies, Inc. 
      153.34.0.0/15          701     UUNET Technologies, Inc. 
      153.36.0.0/14          701     UUNET Technologies, Inc. 
      154.150.0.0/16        6494     IDCI 
      158.0.0.0/13           568     DISO-UNRRA 
      164.233.0.0/16        6020     DISA NETWORK SERVICES 
      164.235.0.0/16        6025     US DOD NIC Unregistered
      191.9.200.0/24        1290     PSINet UK Ltd.
      201.115.100.0/24      7018     AT&T 
      
      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      /12:38      
      /13:93      /14:230     /15:392     /16:7144    /17:1413    /18:2475    
      /19:7271    /20:6658    /21:4860    /22:7327    /23:9034    /24:60417   
      /25:219     /26:212     /27:116     /28:92      /29:65      /30:124     
      /31:0       /32:37      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1351          2124      UUNET Technologies, Inc. 
       1221     1189          1337      Telstra Pty Ltd
       7018     1142          1715      AT&T 
        702      713          1091      UUNET Technologies, Inc. 
        690      535           539      Merit Network 
       3908      535           782      Supernet, Inc. 
       4323      508           617      Time Warner Communications, I
       3967      488           680      Exodus Communication 
       7046      466           635      UUNET Technologies, Inc. 
       1239      448           776      Sprint 
          1      441           854      BBN Planet 
       4293      406           418      Cable & Wireless USA 
        852      369           583      Telus Advanced Communications
        705      358           492      UUNET Technologies, Inc. 
       2764      348           393      connect.com.au pty ltd
        209      339           513      Qwest 
        703      327           402      UUNET Technologies, Inc. 
       2386      307           384      AT&T Data Communications Serv
       2149      292           389      Performance Systems, Inc. 
       4151      290           336      USDA 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:2         9:1        12:726      13:10       15:2        17:5      
        20:1        24:712      25:1        32:181      38:12       40:4      
        43:1        44:2        57:14       61:225      62:161      63:1908   
        64:1114     65:985      66:578      67:31       68:20       80:144    
        81:3       128:63      129:125     130:23      131:44      132:13     
       133:2       134:121     135:10      136:118     137:104     138:62     
       139:30      140:100     141:58      142:64      143:42      144:54     
       145:12      146:216     147:60      148:175     149:86      150:38     
       151:43      152:393     153:34      154:7       155:83      156:81     
       157:122     158:72      159:79      160:26      161:55      162:96     
       163:128     164:132     165:114     166:225     167:160     168:119    
       169:48      170:281     171:4       191:1       192:5402    193:2092   
       194:2050    195:799     196:435     198:3766    199:3255    200:2394   
       201:1       202:2892    203:4483    204:3309    205:2169    206:2749   
       207:2631    208:2804    209:2916    210:534     211:182     212:863    
       213:540     214:7       215:17      216:2927    217:410     218:24     
      
      
      End of report
      *             APOPS: Asia Pacific Operations Forum              *
      * To unsubscribe: send "unsubscribe" to apops-request at apnic dot net *