[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, 23 Jul 2005 04:06:30 +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 23 Jul, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              167176
          Prefixes after maximum aggregation:                           96433
          Unique aggregates announced to Internet:                      80898
      Total ASes present in the Internet Routing Table:                 20129
      Origin-only ASes present in the Internet Routing Table:           17543
      Origin ASes announcing only one prefix:                            8262
      Transit ASes present in the Internet Routing Table:                2586
      Transit-only ASes present in the Internet Routing Table:             76
      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:             15
      Number of addresses announced to Internet:                   1397595349
          Equivalent to 83 /8s, 77 /16s and 156 /24s
          Percentage of available address space announced:               37.7
          Percentage of allocated address space announced:               56.8
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       79319
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    34695
          Total APNIC prefixes after maximum aggregation:               15921
      Prefixes being announced from the APNIC address blocks:           32554
          Unique aggregates announced from the APNIC address blocks:    16320
      APNIC Region origin ASes present in the Internet Routing Table:    2312
      APNIC Region origin ASes announcing only one prefix:                677
      APNIC Region transit ASes present in the Internet Routing Table:    347
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC addresses announced to Internet:              191353472
          Equivalent to 11 /8s, 103 /16s and 210 /24s
          Percentage of available APNIC address space announced:         71.0
      
      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:                     89540
          Total ARIN prefixes after maximum aggregation:                54579
      Prefixes being announced from the ARIN address blocks:            70010
          Unique aggregates announced from the ARIN address blocks:     25844
      ARIN Region origin ASes present in the Internet Routing Table:    10090
      ARIN Region origin ASes announcing only one prefix:                3721
      ARIN Region transit ASes present in the Internet Routing Table:     943
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               254705941
          Equivalent to 15 /8s, 46 /16s and 129 /24s
          Percentage of available ARIN address space announced:          63.3
      
      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:                     32158
          Total RIPE prefixes after maximum aggregation:                21998
      Prefixes being announced from the RIPE address blocks:            29193
          Unique aggregates announced from the RIPE address blocks:     19630
      RIPE Region origin ASes present in the Internet Routing Table:     6899
      RIPE Region origin ASes announcing only one prefix:                3635
      RIPE Region transit ASes present in the Internet Routing Table:    1132
      Average RIPE Region AS path length visible:                         5.2
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               212296768
          Equivalent to 12 /8s, 167 /16s and 100 /24s
          Percentage of available RIPE address space announced:          63.3
      
      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:                    9105
          Total LACNIC prefixes after maximum aggregation:               3154
      Prefixes being announced from the LACNIC address blocks:           7468
          Unique aggregates announced from the LACNIC address blocks:    4354
      LACNIC Region origin ASes present in the Internet Routing Table:    626
      LACNIC Region origin ASes announcing only one prefix:               193
      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:              20573696
          Equivalent to 1 /8s, 57 /16s and 238 /24s
          Percentage of available LACNIC address space announced:        30.7
      
      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:                   1656
          Total AfriNIC prefixes after maximum aggregation:               781
      Prefixes being announced from the AfriNIC address blocks:          1013
          Unique aggregates announced from the AfriNIC address blocks:    778
      AfriNIC Region origin ASes present in the Internet Routing Table:   131
      AfriNIC Region origin ASes announcing only one prefix:               36
      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:              2340096
          Equivalent to 0 /8s, 35 /16s and 181 /24s
          Percentage of available AfriNIC address space announced:        7.0
      
      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      961       5568         195   CHINANET-BACKBONE
       9583      768         77          14   Sify Limited
       1221      757       1455         533   Telstra Pty Ltd
       4755      666        248         146   Videsh Sanchar Nigam Ltd. Aut
       4766      590       3412         278   Korea Telecom (KIX)
       7545      513        106          74   TPG Internet Pty Ltd
      17676      463       6707          98   Softbank BB Corp.
       9443      382         82          77   Primus Telecommunications
       9929      364        224          46   China Netcom Corp.
       2907      343       1806         318   SINET Japan
       9498      332         83          61   BHARTI BT INTERNET LTD.
       7474      313        272         216   SingTel Optus Pty Ltd
      17557      306         23         155   Pakistan Telecom
       4802      290         50         167   Wantree Development
       4808      286        244         168   CNCGROUP IP network: China169
       9837      279         80         183   Powertel Ltd
      18302      279        109         154   SK Global co., Ltd
      17974      270         65          14   PT TELEKOMUNIKASI INDONESIA
      17488      266         16           8   Hathway IP Over Cable Interne
        703      252        261         207   UUNET - Commercial IP service
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1494       6417         969   AT&T WorldNet Services
       4323     1139        672         224   Time Warner Telecom
        174     1135       5824        1054   Cogent Communications
        721     1080      21779         310   DLA Systems Automation Center
        701     1022       8168         864   UUNET Technologies, Inc. 
       6197      939        522         433   BellSouth Network Solutions, 
       2386      888        528         655   AT&T Data Communications Serv
       1239      886       2891         637   Sprint 
      18566      832        224           7   Covad Communications 
      20115      652        499         321   Charter Communications 
        209      623       3471         490   Qwest 
       3356      566      10780         434   Level 3 Communications, LLC 
      27364      554         44          18   Armstrong Cable Services 
       3602      543        123         104   Sprint Canada, Inc. 
       3561      538       2385         422   Savvis
        852      535       1093         387   Telus Advanced Communications
       7725      509         64          17   MediaOne 
      22773      503       1188          23   Cox Communications, Inc.
       5668      494        114          22   CenturyTel Internet Holdings,
       6198      467        396         224   BellSouth Network Solutions, 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      592       1995         483   UUNET - Commercial IP service
       3301      300       1081         286   TeliaNet Sweden
       3320      291       3232         240   Deutsche Telekom AG
       8220      266        473         262   COLT Telecommunications
        680      245       2041         241   DFN-IP service G-WiN
       3246      230        469         223   Song Networks
       8708      224        253         210   Romania Data Systems S.A.
       1257      194        712         172   SWIPnet Swedish IP Network
       5515      181        778         127   Sonera Solution Autonomous Sy
        786      175       1794         175   The JANET IP Service
       5400      173        286         146   BT Ignite European Backbone
       6746      173         49         151   Dynamic Network Technologies,
       3269      169       1520          72   TELECOM ITALIA
        719      168        340         100   LANLINK autonomous system
       8866      163         21          11   Bulgarian Telecommunication C
       3300      154        184          87   AUCS Communications Services 
       9121      150        272          36   TTnet Autonomous System
       6830      149        537          31   UPC Distribution Services
      25186      141        145          98   France Telecom Transpac's Tra
       1273      137        175          96   Cable & Wireless Deutschland 
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      380        599         158   UniNet S.A. de C.V. 
      16814      265         16           7   NSS, S.A. 
      11172      232         99          59   Servicios Alestra S.A de C.V 
       6147      192        110          21   Telefonica Del Peru 
      11664      181         20          23   Keytech SA 
      14117      152          9           5   Telefonica del Sur S.A. 
       7303      150         69          18   Telecom Argentina Stet-France
      22047      143        112           7   VTR PUNTO NET S.A. 
      19632      142         14           5   Metropolis Intercom S.A. 
      11556      131         64           3   Cable-Wireless Panama 
       6505      130         90          87   Global One Communicaoes Ltda 
      19169      115          7          22   Telconet 
       6503      114        147          74   AVANTEL, S.A. 
      13999      110         52           9   Mega Cable S.A. de C.V. 
      18822      110          7          14   TELEFONICA MANQUEHUE 
      10481      101         40           7   Prima S.A. 
      23216       98         24          23   RAMtelecom Telecomunicaciones
      22927       97         81          26   TELEFONICA DE ARGENTINA 
       5639       96         12           9   Telecommunications Services o
      21826       95         13          20   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      263        621         221   The Internet Solution 
       5536      120         15          17   Internet Egypt Network
       2018       97        295          88   Tertiary Education Network 
       8452       93         28           6   TEDATA
       2905       76        266          68   The Internetworking Company o
      24835       57         34           6   RAYA Telecom - Egypt
      20928       56         16           2   Noor Advanced Technologies AS
       6713       51         54           8   Itissalat Al-MAGHRIB
      15475       50         84           4   Nile Online
       9129       43          3           3   UUNET Kenya
      12455       38          6           3   Jambonet Autonomous system
       5713       36        142          29   Telkom SA Ltd 
      15706       31          8           3   Sudatel Internet Exchange Aut
       8524       23          1           4   AUCEGYPT Autonomous System
      16637       22         10          19   Johnnic e-Ventures 
      23889       20          5           9   MAURITIUS TELECOM
      25364       20          1           3   Egypt Cyber Cenyer Network
      10798       19          1          11   Standard Bank of South Africa
      21491       18          1           1   UTL On-line is RF broadband I
      12258       17          3          11   Vodacom Internet Company 
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      1139         915      Time Warner Telecom
      18566       832         825      Covad Communications 
        721      1080         770      DLA Systems Automation Center
       4134       961         766      CHINANET-BACKBONE
       9583       768         754      Sify Limited
      27364       554         536      Armstrong Cable Services 
       4755       666         520      Videsh Sanchar Nigam Ltd. Aut
       6197       939         506      BellSouth Network Solutions, 
       7725       509         492      MediaOne 
      22773       503         480      Cox Communications, Inc.
       5668       494         472      CenturyTel Internet Holdings,
       3602       543         439      Sprint Canada, Inc. 
       7545       513         439      TPG Internet Pty Ltd
      17676       463         365      Softbank BB Corp.
       6467       379         345      E.Spire Communications, Inc. 
      20115       652         331      Charter Communications 
      19262       433         319      Verizon Global Networks 
       9929       364         318      China Netcom Corp.
       4766       590         312      Korea Telecom (KIX)
       9443       382         305      Primus Telecommunications
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65050   PRIVATE       168.96.148.0/24       6140       ImpSat
      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
      65142   PRIVATE       200.32.76.0/24        6140       ImpSat
      65142   PRIVATE       200.32.77.0/24        6140       ImpSat
      64512   PRIVATE       200.61.48.0/20       11664       Keytech SA 
      64512   PRIVATE       200.61.58.0/23       11664       Keytech SA 
      64512   PRIVATE       200.80.148.0/23      11664       Keytech SA 
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      50.160.0.0/13         1221     Telstra Pty Ltd
      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
      172.32.0.0/24         7011     Citizens Utilities 
      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
      192.169.0.0/23        3970     RGnet, Inc. 
      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       /11:15      /12:75      
      /13:167     /14:317     /15:601     /16:8464    /17:2642    /18:4518    
      /19:10517   /20:11463   /21:9498    /22:12987   /23:13884   /24:91004   
      /25:347     /26:292     /27:171     /28:51      /29:29      /30:73      
      /31:0       /32:33      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      816           832      Covad Communications 
       6197      765           939      BellSouth Network Solutions, 
       7018      701          1494      AT&T WorldNet Services
       2386      602           888      AT&T Data Communications Serv
       9583      586           768      Sify Limited
      27364      545           554      Armstrong Cable Services 
       4323      540          1139      Time Warner Telecom
       7725      479           509      MediaOne 
       4766      408           590      Korea Telecom (KIX)
       5668      402           494      CenturyTel Internet Holdings,
       1239      371           886      Sprint 
        702      365           592      UUNET - Commercial IP service
       6198      342           467      BellSouth Network Solutions, 
       7011      325           376      Citizens Utilities 
      19916      305           312      OLM LLC 
      15270      296           321      PaeTec.net -a division of Pae
       6517      291           313      Yipes Communications, Inc. 
      20115      283           652      Charter Communications 
       9929      276           364      China Netcom Corp.
      11456      276           315      Carolina Online, Inc. 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:6         8:23        9:1        12:1553     13:1        15:9      
        16:2        17:3        18:3        20:4        24:1181     30:2      
        32:69       33:2        38:136      40:54       44:4        47:2      
        52:4        55:2        56:3        57:23       58:137      59:58     
        60:67       61:750      62:638      63:1889     64:2792     65:2067   
        66:2914     67:635      68:556      69:1113     70:147      71:10     
        72:268      80:589      81:594      82:433      83:289      84:225    
        85:287      86:62       87:17      128:157     129:167     130:88     
       131:292     132:38      133:1       134:145     135:42      136:138    
       137:73      138:164     139:61      140:303     141:107     142:152    
       143:138     144:203     145:34      146:290     147:110     148:290    
       149:177     150:107     151:64      152:108     153:88      154:5      
       155:141     156:78      157:99      158:164     159:167     160:78     
       161:70      162:218     163:94      164:193     165:186     166:158    
       167:244     168:439     169:144     170:320     171:8       172:1      
       190:1       192:5704    193:3228    194:2427    195:1593    196:661    
       198:3895    199:3288    200:4062    201:208     202:5914    203:6396   
       204:3801    205:2024    206:2431    207:2802    208:2049    209:3329   
       210:1697    211:805     212:1259    213:1332    214:273     215:31     
       216:3575    217:1122    218:211     219:157     220:392     221:248    
       222:121    
      
      End of report