[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, 28 Dec 2001 20:04:12 +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 Fri 28 Dec, 2001
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                            106638
          Prefixes after maximum aggregation:                         71492
          Unique aggregates announced to Internet:                    51988
      Total ASes present in the Internet Routing Table:               12270
      Origin-only ASes present in the Internet Routing Table:         10667
      Origin ASes announcing only one prefix:                          4616
      Transit ASes present in the Internet Routing Table:              1603
      Transit-only ASes present in the Internet Routing Table:           54
      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:              9
      Non-routable prefixes present in the Routing Table:                 0
      Prefixes being announced from the IANA Reserved Address blocks:    15
      Number of addresses announced to Internet:                 1162349320
          Equivalent to 69 /8s, 72 /16s and 11 /24s
          Percentage of available address space announced:             31.4
          Percentage of allocated address space announced:             59.3
          Percentage of available address space allocated:             52.8
      Total number of prefixes smaller than registry allocations:     71508
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                  16591
          Total APNIC prefixes after maximum aggregation:             10414
      Prefixes being announced from the APNIC address blocks:         15192
          Unique aggregates announced from the APNIC address blocks:   9760
      APNIC Region origin ASes present in the Internet Routing Table:  1418
      APNIC Region origin ASes announcing only one prefix:              457
      APNIC Region transit ASes present in the Internet Routing Table:  237
      Average APNIC Region AS path length visible:                      5.3
          Max APNIC Region AS path length visible:                       15
      Number of APNIC addresses announced to Internet:             77885632
          Equivalent to 4 /8s, 164 /16s and 112 /24s
          Percentage of available APNIC address space announced:       57.6
      
      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:                   72227
          Total ARIN prefixes after maximum aggregation:              47201
      Prefixes being announced from the ARIN address blocks:          51936
          Unique aggregates announced from the ARIN address blocks:   16941
      ARIN Region origin ASes present in the Internet Routing Table:   7272
      ARIN Region origin ASes announcing only one prefix:              2258
      ARIN Region transit ASes present in the Internet Routing Table:   728
      Average ARIN Region AS path length visible:                       5.2
          Max ARIN Region AS path length visible:                        16
      Number of ARIN addresses announced to Internet:             181020360
          Equivalent to 10 /8s, 202 /16s and 38 /24s
          Percentage of available ARIN address space announced:        67.4
      
      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:                   17813
          Total RIPE prefixes after maximum aggregation:              13877
      Prefixes being announced from the RIPE address blocks:          14523
          Unique aggregates announced from the RIPE address blocks:    9693
      RIPE Region origin ASes present in the Internet Routing Table:   3526
      RIPE Region origin ASes announcing only one prefix:              1901
      RIPE Region transit ASes present in the Internet Routing Table:   628
      Average RIPE Region AS path length visible:                       5.9
          Max RIPE Region AS path length visible:                        15
      Number of RIPE addresses announced to Internet:             105145088
          Equivalent to 6 /8s, 68 /16s and 99 /24s
          Percentage of available RIPE address space announced:        69.6
      
      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
      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     1333       1258         986   Telstra Pty Ltd
       2764      403        378         377   connect.com.au pty ltd
        703      400        344         307   UUNET Technologies, Inc. 
       2907      395       1891         361   SINET Japan
       7474      311        285         202   Optus Communications Pty Ltd
       4755      290        113          83   Videsh Sanchar Nigam Ltd. Aut
       4134      268       1874          98   Data Communications Bureau
       4766      185       1395         135   Korea Internet Exchange for "
       1659      175        924          34   Taiwan Academic Network (TANe
       9443      173         45          69   Primus Telecommunications
      17557      169         13          86   Pakistan Telecom
       9583      152         32           3   Satyam Infoway Ltd.,
       4740      149         34         123   OzEmail ISP
       9768      141        381          87   Korea Telecom
       4812      137        192          34   China Telecom (Group) - Shang
       7657      124         21          83   The Internet Group Limited
      17676      121       1920           7   XTAGE CORPORATION
       4780      117        186          42   Digital United Inc.
       4713      116        910         103   NTT Communications Corporatio
       9800      112        194          21   CHINA UNICOM
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702     1091       2673         862   UUNET Technologies, Inc. 
       3301      402        925         354   TeliaNet Sweden
       1257      252        473         249   SWIPnet Swedish IP Network
       3215      236        562         152   France Telecom / &Equant
        680      233       2149         231   DFN-IP service G-WiN
       5515      217        721         177   Sonera Finland Autonomous Sys
       3320      197       1962         166   Deutsche Telekom AG
        786      182       1874         182   The JANET IP Service
        719      164        289         118   LANLINK autonomous system
       8708      149         20         140   Romania Data Systems S.A.
       5400      145         59          82   Concert European Core Network
       5549      140         78          63   Nextra Deutschland GmbH + Co.
       2856      136        777         125   BTnet UK Regional network
       3303      134        575         124   Swisscom Ltd
       3269      115        663          70   TELECOM ITALIA
      12302      112          7          36   MobiFon S.A.
        517      109        230         107   KPNQwest Germany GmbH
       8297      108         31          62   Teleglobe Autonomous System i
       5511       99        192          79   France Telecom
       1290       95        396          70   PSINet UK Ltd.
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        701     2142       8793        1517   UUNET Technologies, Inc. 
       7018     1114       7418         870   AT&T 
       3967      932        361         455   Exodus Communication 
          1      870       8408         646   BBN Planet 
       1239      792       3154         613   Sprint 
       3908      771       1638         477   Supernet, Inc. 
       8010      715         62          11   PublicNet Communications, Inc
       7046      701        823         446   UUNET Technologies, Inc. 
        209      621       1862         299   Qwest 
       4323      584        364         201   Time Warner Communications, I
        852      578        978         382   Telus Advanced Communications
        690      537         77         322   Merit Network 
        705      473        349         294   UUNET Technologies, Inc. 
       2914      458       2226         429   Verio, Inc. 
       3549      404        836         201   Global Crossing 
       7132      402        470         168   Southwestern Bell Internet Se
       2149      399        230         336   Performance Systems, Inc. 
       3561      380       2253         330   Cable & Wireless USA 
        577      353        588         221   Bell Advanced Communications 
       3741      350        730         239   The Internet Solution 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   Net Savings Description
       8010      704      PublicNet Communications, Inc
       3967      477      Exodus Communication 
       4323      383      Time Warner Communications, I
       1221      347      Telstra Pty Ltd
       4151      325      USDA 
        209      322      Qwest 
       3908      294      Supernet, Inc. 
      11371      271      Rhythms NetConnections 
       7046      255      UUNET Technologies, Inc. 
       7018      244      AT&T 
       6347      238      SAVVIS Communications Corpora
       7132      234      Southwestern Bell Internet Se
        702      229      UUNET Technologies, Inc. 
          1      224      BBN Planet 
        690      215      Merit Network 
       4755      207      Videsh Sanchar Nigam Ltd. Aut
       3549      203      Global Crossing 
       4355      198      EarthLink, Inc. 
        852      196      Telus Advanced Communications
       6517      196      Yipes Communications, Inc. 
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
       2027   UNALLOCATED   150.185.128.0/18      8143       Publicom Corp. 
      65021   PRIVATE       203.75.135.0/27       3462       Data Communication B
      65021   PRIVATE       203.75.210.129/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.130/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.131/32     3462       Data Communication B
      65021   PRIVATE       203.75.210.132/32     3462       Data Communication B
      65021   PRIVATE       203.75.232.0/27       3462       Data Communication B
      65021   PRIVATE       203.75.232.160/27     3462       Data Communication B
       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         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       /9:5       /10:7       /11:11      /12:37      
      /13:91      /14:229     /15:390     /16:7054    /17:1366    /18:2466    
      /19:7180    /20:6263    /21:4711    /22:7168    /23:8863    /24:59841   
      /25:245     /26:243     /27:157     /28:110     /29:86      /30:78      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
        701     1372          2142      UUNET Technologies, Inc. 
       1221     1187          1333      Telstra Pty Ltd
       3967      751           932      Exodus Communication 
        702      705          1091      UUNET Technologies, Inc. 
       8010      699           715      PublicNet Communications, Inc
       7018      578          1114      AT&T 
       7046      535           701      UUNET Technologies, Inc. 
        690      534           537      Merit Network 
       3908      529           771      Supernet, Inc. 
       4323      494           584      Time Warner Communications, I
       1239      459           792      Sprint 
        209      448           621      Qwest 
          1      445           870      BBN Planet 
        852      367           578      Telus Advanced Communications
        705      357           473      UUNET Technologies, Inc. 
       2764      357           403      connect.com.au pty ltd
        703      326           400      UUNET Technologies, Inc. 
       2149      301           399      Performance Systems, Inc. 
       4151      295           341      USDA 
       7474      276           311      Optus Communications Pty Ltd
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:3         9:1        12:446      13:10       15:2        17:5      
        20:1        24:807      25:1        32:73       38:14       40:4      
        43:1        44:2        52:1        53:2        57:13       61:182    
        62:150      63:1912     64:1486     65:1030     66:741      67:17     
        68:6        80:134     128:61      129:110     130:24      131:41     
       132:14      133:2       134:107     135:10      136:45      137:107    
       138:63      139:30      140:102     141:58      142:53      143:44     
       144:55      145:12      146:201     147:94      148:154     149:88     
       150:39      151:38      152:379     153:34      154:8       155:81     
       156:84      157:121     158:71      159:77      160:26      161:54     
       162:84      163:123     164:119     165:100     166:204     167:160    
       168:114     169:48      170:294     171:2       191:1       192:5293   
       193:2062    194:2066    195:836     196:428     198:3710    199:3300   
       200:2403    201:1       202:2841    203:4505    204:3227    205:2181   
       206:2541    207:2618    208:2616    209:2935    210:532     211:151    
       212:879     213:553     214:9       215:16      216:2947    217:400    
       218:11     
      
      End of report
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