[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Table Analysis <cscora at apnic dot net>
  • Date: Sat, 20 Aug 2005 04:06:31 +1000 (EST)
  • Cc:
  • List-archive: <http://www.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 20 Aug, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              168367
          Prefixes after maximum aggregation:                           96812
          Unique aggregates announced to Internet:                      81588
      Total ASes present in the Internet Routing Table:                 20329
      Origin-only ASes present in the Internet Routing Table:           17704
      Origin ASes announcing only one prefix:                            8371
      Transit ASes present in the Internet Routing Table:                2625
      Transit-only ASes present in the Internet Routing Table:             74
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
      Prefixes from unregistered ASNs in the Routing Table:                16
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             13
      Number of addresses announced to Internet:                   1406478101
          Equivalent to 83 /8s, 213 /16s and 39 /24s
          Percentage of available address space announced:               37.9
          Percentage of allocated address space announced:               57.1
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79815
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    35021
          Total APNIC prefixes after maximum aggregation:               15753
      Prefixes being announced from the APNIC address blocks:           32874
          Unique aggregates announced from the APNIC address blocks:    16351
      APNIC Region origin ASes present in the Internet Routing Table:    2338
      APNIC Region origin ASes announcing only one prefix:                694
      APNIC Region transit ASes present in the Internet Routing Table:    353
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              192757888
          Equivalent to 11 /8s, 125 /16s and 64 /24s
          Percentage of available APNIC address space announced:         71.5
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911
      APNIC Address Blocks   58/7, 60/7, 124/7, 126/8, 202/7, 210/7, 218/7,
                             220/7 and 222/8
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     90021
          Total ARIN prefixes after maximum aggregation:                54880
      Prefixes being announced from the ARIN address blocks:            70340
          Unique aggregates announced from the ARIN address blocks:     26114
      ARIN Region origin ASes present in the Internet Routing Table:    10154
      ARIN Region origin ASes announcing only one prefix:                3737
      ARIN Region transit ASes present in the Internet Routing Table:     950
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               259664149
          Equivalent to 15 /8s, 122 /16s and 41 /24s
          Percentage of available ARIN address space announced:          64.5
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  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, 29696-30719, 31744-33791
                             35840-36863
      ARIN Address Blocks    24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8,
                             198/7, 204/6, 208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     32420
          Total RIPE prefixes after maximum aggregation:                22222
      Prefixes being announced from the RIPE address blocks:            29434
          Unique aggregates announced from the RIPE address blocks:     19897
      RIPE Region origin ASes present in the Internet Routing Table:     7006
      RIPE Region origin ASes announcing only one prefix:                3705
      RIPE Region transit ASes present in the Internet Routing Table:    1155
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               215202432
          Equivalent to 12 /8s, 211 /16s and 186 /24s
          Percentage of available RIPE address space announced:          64.1
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839
      RIPE Address Blocks    62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                    9230
          Total LACNIC prefixes after maximum aggregation:               3169
      Prefixes being announced from the LACNIC address blocks:           7587
          Unique aggregates announced from the LACNIC address blocks:    4403
      LACNIC Region origin ASes present in the Internet Routing Table:    630
      LACNIC Region origin ASes announcing only one prefix:               196
      LACNIC Region transit ASes present in the Internet Routing Table:   116
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC addresses announced to Internet:              21470208
          Equivalent to 1 /8s, 71 /16s and 156 /24s
          Percentage of available LACNIC address space announced:        32.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   1654
          Total AfriNIC prefixes after maximum aggregation:               788
      Prefixes being announced from the AfriNIC address blocks:          1013
          Unique aggregates announced from the AfriNIC address blocks:    781
      AfriNIC Region origin ASes present in the Internet Routing Table:   134
      AfriNIC Region origin ASes announcing only one prefix:               39
      AfriNIC Region transit ASes present in the Internet Routing Table:   16
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2626816
          Equivalent to 0 /8s, 40 /16s and 21 /24s
          Percentage of available AfriNIC address space announced:        7.8
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks 41/8, 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134      956       5524         194   CHINANET-BACKBONE
       1221      757       1327         526   Telstra Pty Ltd
       9583      756         77          14   Sify Limited
       4755      700        259          65   Videsh Sanchar Nigam Ltd. Aut
       4766      597       3414         281   Korea Telecom (KIX)
       7545      498        108          72   TPG Internet Pty Ltd
      17676      465       6739          99   Softbank BB Corp.
       9443      382         82          77   Primus Telecommunications
       9498      341         83          61   BHARTI BT INTERNET LTD.
       2907      337       1789         314   SINET Japan
       9929      336        223          47   China Netcom Corp.
      17557      323         24         149   Pakistan Telecom
       7474      315        257         218   SingTel Optus Pty Ltd
      17488      308         18           8   Hathway IP Over Cable Interne
      18302      298        109         155   SK Global co., Ltd
       4802      295         53         157   Wantree Development
       9837      276         79         178   Powertel Ltd
        703      257        262         208   UUNET - Commercial IP service
      17974      254         65          14   PT TELEKOMUNIKASI INDONESIA
       9800      250        390          64   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1517       6392         982   AT&T WorldNet Services
       4323     1149        704         221   Time Warner Telecom
        174     1115       5820        1026   Cogent Communications
        721     1092      21891         315   DLA Systems Automation Center
        701     1002       8154         853   UUNET Technologies, Inc. 
       6197      942        498         450   BellSouth Network Solutions, 
       2386      908        529         668   AT&T Data Communications Serv
       1239      864       2847         626   Sprint 
      18566      834        224           7   Covad Communications 
      20115      638        500         327   Charter Communications 
        209      627       3470         490   Qwest 
       3356      574      10661         443   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      550        125         106   Sprint Canada, Inc. 
       3561      532       2416         422   Savvis
      22773      523       1352          27   Cox Communications, Inc.
       5668      501        115          23   CenturyTel Internet Holdings,
       6198      472        415         227   BellSouth Network Solutions, 
       7132      454       4947         388   SBC Internet Services
      19262      446       1353         119   Verizon Global Networks 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      593       1999         484   UUNET - Commercial IP service
       3301      299       1081         285   TeliaNet Sweden
       3320      291       3232         240   Deutsche Telekom AG
       8220      262        474         258   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      227        261         213   Romania Data Systems S.A.
       1257      198        713         176   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
       6746      180         49         156   Dynamic Network Technologies,
        786      174       1794         174   The JANET IP Service
       3269      169       1518          71   TELECOM ITALIA
       5400      166        289         140   BT Ignite European Backbone
       9121      166        278          42   TTnet Autonomous System
       8866      164         20           7   Bulgarian Telecommunication C
       3300      155        184          89   AUCS Communications Services 
       6830      154        665          32   UPC Distribution Services
      25186      144        145         101   France Telecom Transpac's Tra
       8551      138        120          20   Bezeq International
       1273      137        174          96   Cable & Wireless Deutschland 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      387        600         163   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      240         99          57   Servicios Alestra S.A de C.V 
       6147      193        110          21   Telefonica Del Peru 
      11664      190         20          23   Keytech SA 
      14117      152          9           5   Telefonica del Sur S.A. 
      22047      144        128           7   VTR PUNTO NET S.A. 
       7303      143         68          15   Telecom Argentina Stet-France
      19632      143         14           5   Metropolis Intercom S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      19169      120          8          26   Telconet 
       6503      114        147          75   AVANTEL, S.A. 
      13999      110         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      21826      103         13          15   INTERCABLE 
       5639      101         12           9   Telecommunications Services o
      10481      100         40           7   Prima S.A. 
      11311       97          8          14   Sinectis S.A. 
      23216       95         24          20   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      264        685         222   The Internet Solution 
       5536      122         16          14   Internet Egypt Network
       8452      104         32           7   TEDATA
       2018       96        295          87   Tertiary Education Network 
       2905       76        266          68   The Internetworking Company o
      20928       57         16           2   Noor Advanced Technologies AS
      24835       57         34           6   RAYA Telecom - Egypt
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       47         84           4   Nile Online
       9129       42          3           3   UUNET Kenya
       5713       41        149          32   Telkom SA Ltd 
      15706       31          8           3   Sudatel Internet Exchange Aut
      12455       30          5           6   Jambonet Autonomous system
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      10798       21          1          12   Standard Bank of South Africa
      23889       20          5           9   MAURITIUS TELECOM
      12258       17          3          11   Vodacom Internet Company 
      15804       17          2           1   AS of The Way Out Internet So
      15808       17          2           2   Communication Solutions Ltd i
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1149         928      Time Warner Telecom
      18566       834         827      Covad Communications 
        721      1092         777      DLA Systems Automation Center
       4134       956         762      CHINANET-BACKBONE
       9583       756         742      Sify Limited
       4755       700         635      Videsh Sanchar Nigam Ltd. Aut
      27364       554         536      Armstrong Cable Services 
      22773       523         496      Cox Communications, Inc.
       6197       942         492      BellSouth Network Solutions, 
       5668       501         478      CenturyTel Internet Holdings,
       3602       550         444      Sprint Canada, Inc. 
       7545       498         426      TPG Internet Pty Ltd
      17676       465         366      Softbank BB Corp.
       6467       436         363      E.Spire Communications, Inc. 
      19262       446         327      Verizon Global Networks 
       4766       597         316      Korea Telecom (KIX)
      20115       638         311      Charter Communications 
      11492       316         310      Cable One 
       9443       382         305      Primus Telecommunications
      17488       308         300      Hathway IP Over Cable Interne
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65511   PRIVATE       65.77.145.0/24       16605       Aaro Broadband Wirel
      65507   PRIVATE       200.0.64.0/24        27750       Cooperación Latino A
      65004   PRIVATE       200.0.113.0/24       28477       Universidad Autonoma
      65004   PRIVATE       200.4.0.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.1.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.2.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.3.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.4.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.5.0/24         28477       Universidad Autonoma
      65004   PRIVATE       200.4.6.0/24         28477       Universidad Autonoma
      64943   PRIVATE       202.41.14.0/24       24110       Security Mail Pty Lt
      64942   PRIVATE       202.41.15.0/24       24110       Security Mail Pty Lt
      24413   UNALLOCATED   202.46.32.0/19       17623       China Netcom Corp.
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      65103   PRIVATE       216.53.126.0/23       7270       Net2Phone Corp. 
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      132.0.0.0/10           721     DLA Systems Automation Center
      137.0.0.0/13           721     DLA Systems Automation Center
      158.0.0.0/13           721     DLA Systems Automation Center
      192.43.230.0/24       7575     Australian Academic and Rease
      192.44.0.0/24         5501     Fraunhofer Gesellschaft
      192.44.0.0/19          702     UUNET - Commercial IP service
      192.70.164.0/24      25689     National Research Council of 
      192.84.205.0/24        719     LANLINK autonomous system
      192.119.135.0/24       270     NASA 
      192.135.50.0/24       7018     AT&T WorldNet Services
      192.145.251.0/24     17860     WEBZEN
      192.172.0.0/19         721     DLA Systems Automation Center
      192.200.100.0/24      7018     AT&T WorldNet Services
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:17       /9:3       /10:8       /11:16      /12:76      
      /13:169     /14:319     /15:604     /16:8488    /17:2683    /18:4569    
      /19:10631   /20:11623   /21:9653    /22:13083   /23:13962   /24:91392   
      /25:358     /26:330     /27:193     /28:51      /29:28      /30:77      
      /31:1       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      818           834      Covad Communications 
       6197      769           942      BellSouth Network Solutions, 
       7018      722          1517      AT&T WorldNet Services
       2386      615           908      AT&T Data Communications Serv
       9583      573           756      Sify Limited
       4323      548          1149      Time Warner Telecom
      27364      545           554      Armstrong Cable Services 
       4766      415           597      Korea Telecom (KIX)
       5668      405           501      CenturyTel Internet Holdings,
        702      366           593      UUNET - Commercial IP service
      19916      363           370      OLM LLC 
       1239      359           864      Sprint 
       6198      345           472      BellSouth Network Solutions, 
       7011      335           387      Citizens Utilities 
      11492      308           316      Cable One 
       6517      301           323      Yipes Communications, Inc. 
      15270      300           324      PaeTec.net -a division of Pae
       6467      290           436      E.Spire Communications, Inc. 
      18302      283           298      SK Global co., Ltd
        701      279          1002      UUNET Technologies, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:7         8:23       11:1        12:1569     13:1        15:9      
        16:2        17:3        18:3        20:5        24:961      30:3      
        32:70       33:1        38:141      40:56       44:4        47:2      
        52:4        55:2        56:3        57:23       58:154      59:61     
        60:109      61:723      62:657      63:1891     64:2832     65:2074   
        66:2905     67:584      68:579      69:1139     70:170      71:13     
        72:335      80:595      81:548      82:455      83:296      84:229    
        85:306      86:82       87:27      128:158     129:167     130:90     
       131:300     132:36      133:1       134:143     135:42      136:150    
       137:63      138:163     139:61      140:397     141:104     142:145    
       143:140     144:190     145:33      146:292     147:110     148:294    
       149:180     150:107     151:63      152:108     153:89      154:5      
       155:142     156:76      157:99      158:166     159:167     160:82     
       161:72      162:216     163:111     164:188     165:195     166:153    
       167:246     168:437     169:145     170:317     171:8       190:1      
       192:5743    193:3248    194:2395    195:1579    196:653     198:3880   
       199:3281    200:4121    201:238     202:6027    203:6387    204:3807   
       205:2039    206:2460    207:2830    208:2040    209:3343    210:1657   
       211:752     212:1260    213:1309    214:289     215:35      216:3632   
       217:1110    218:213     219:163     220:434     221:242     222:116    
      
      
      End of report