[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, 24 Sep 2005 04:07:23 +1000 (EST)
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  • 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 24 Sep, 2005
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              170925
          Prefixes after maximum aggregation:                           97293
          Unique aggregates announced to Internet:                      82277
      Total ASes present in the Internet Routing Table:                 20556
      Origin-only ASes present in the Internet Routing Table:           17862
      Origin ASes announcing only one prefix:                            8466
      Transit ASes present in the Internet Routing Table:                2694
      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:                                      28
      Prefixes from unregistered ASNs in the Routing Table:                18
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1425779840
          Equivalent to 84 /8s, 251 /16s and 172 /24s
          Percentage of available address space announced:               38.5
          Percentage of allocated address space announced:               57.9
          Percentage of available address space allocated:               66.4
      Total number of prefixes smaller than registry allocations:       81476
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    35531
          Total APNIC prefixes after maximum aggregation:               15562
      Prefixes being announced from the APNIC address blocks:           33382
          Unique aggregates announced from the APNIC address blocks:    16415
      APNIC Region origin ASes present in the Internet Routing Table:    2364
      APNIC Region origin ASes announcing only one prefix:                693
      APNIC Region transit ASes present in the Internet Routing Table:    362
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         20
      Number of APNIC addresses announced to Internet:              200282112
          Equivalent to 11 /8s, 240 /16s and 16 /24s
          Percentage of available APNIC address space announced:         74.3
      
      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:                     91099
          Total ARIN prefixes after maximum aggregation:                55256
      Prefixes being announced from the ARIN address blocks:            71256
          Unique aggregates announced from the ARIN address blocks:     26188
      ARIN Region origin ASes present in the Internet Routing Table:    10237
      ARIN Region origin ASes announcing only one prefix:                3786
      ARIN Region transit ASes present in the Internet Routing Table:     959
      Average ARIN Region AS path length visible:                         4.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               270284800
          Equivalent to 16 /8s, 28 /16s and 56 /24s
          Percentage of available ARIN address space announced:          67.1
      
      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:                     33022
          Total RIPE prefixes after maximum aggregation:                22456
      Prefixes being announced from the RIPE address blocks:            30053
          Unique aggregates announced from the RIPE address blocks:     20165
      RIPE Region origin ASes present in the Internet Routing Table:     7110
      RIPE Region origin ASes announcing only one prefix:                3748
      RIPE Region transit ASes present in the Internet Routing Table:    1195
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          28
      Number of RIPE addresses announced to Internet:               218480064
          Equivalent to 13 /8s, 5 /16s and 189 /24s
          Percentage of available RIPE address space announced:          65.1
      
      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, 38912-39935
      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:                    9532
          Total LACNIC prefixes after maximum aggregation:               3208
      Prefixes being announced from the LACNIC address blocks:           7900
          Unique aggregates announced from the LACNIC address blocks:    4609
      LACNIC Region origin ASes present in the Internet Routing Table:    638
      LACNIC Region origin ASes announcing only one prefix:               197
      LACNIC Region transit ASes present in the Internet Routing Table:   124
      Average LACNIC Region AS path length visible:                       5.2
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              22086144
          Equivalent to 1 /8s, 81 /16s and 2 /24s
          Percentage of available LACNIC address space announced:        32.9
      
      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:                   1719
          Total AfriNIC prefixes after maximum aggregation:               811
      Prefixes being announced from the AfriNIC address blocks:          1060
          Unique aggregates announced from the AfriNIC address blocks:    804
      AfriNIC Region origin ASes present in the Internet Routing Table:   139
      AfriNIC Region origin ASes announcing only one prefix:               42
      AfriNIC Region transit ASes present in the Internet Routing Table:   19
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       12
      Number of AfriNIC addresses announced to Internet:              2734336
          Equivalent to 0 /8s, 41 /16s and 185 /24s
          Percentage of available AfriNIC address space announced:        8.1
      
      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      984       6080         203   CHINANET-BACKBONE
       9583      798         77          12   Sify Limited
       1221      748       1328         515   Telstra Pty Ltd
       4755      719        259          66   Videsh Sanchar Nigam Ltd. Aut
       4766      611       3927         289   Korea Telecom (KIX)
       7545      514        108          72   TPG Internet Pty Ltd
      17676      468       6787         101   Softbank BB Corp.
       9443      386         84          77   Primus Telecommunications
       9498      337        147          58   BHARTI BT INTERNET LTD.
       2907      336       1757         313   SINET Japan
       9929      335        224          46   China Netcom Corp.
      17557      328         23         158   Pakistan Telecom
      17488      320         19           8   Hathway IP Over Cable Interne
       7474      313        257         216   SingTel Optus Pty Ltd
       4802      311         67         151   Wantree Development
      17974      302         66          13   PT TELEKOMUNIKASI INDONESIA
      18302      293        109         155   SK Global co., Ltd
       9837      273         79         174   Powertel Ltd
        703      253        263         206   UUNET - Commercial IP service
       9800      249        394          66   CHINA UNICOM
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1512       6360         985   AT&T WorldNet Services
       4323     1175        705         229   Time Warner Telecom
        721     1090      21922         312   DLA Systems Automation Center
        174     1070       5850        1002   Cogent Communications
        701      992       8120         837   UUNET Technologies, Inc. 
       6197      928        398         474   BellSouth Network Solutions, 
       2386      921        513         683   AT&T Data Communications Serv
       1239      863       2851         608   Sprint 
      18566      854        240           7   Covad Communications 
      20115      649        507         329   Charter Communications 
        209      629       3585         495   Qwest 
       3356      577      10661         444   Level 3 Communications, LLC 
      27364      558         44          18   Armstrong Cable Services 
       3602      557        131         110   Sprint Canada, Inc. 
       3561      540       2409         420   Savvis
      22773      538       1352          28   Cox Communications, Inc.
       5668      490        115          23   CenturyTel Internet Holdings,
       6198      472        417         228   BellSouth Network Solutions, 
       7132      466       4950         398   SBC Internet Services
      19262      461       1395         119   Verizon Global Networks 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      608       1994         480   UUNET - Commercial IP service
       3301      300       1081         286   TeliaNet Sweden
       3320      288       3230         239   Deutsche Telekom AG
       8220      269        475         264   COLT Telecommunications
        680      244       2040         240   DFN-IP service G-WiN
       8708      237        262         217   Romania Data Systems S.A.
       3246      229        476         222   Song Networks
       9121      223        336          25   TTnet Autonomous System
       1257      195        712         173   SWIPnet Swedish IP Network
       5515      185        778         127   Sonera Solution Autonomous Sy
       6746      185         50         161   Dynamic Network Technologies,
       3269      176       1606          69   TELECOM ITALIA
        786      174       1795         174   The JANET IP Service
       5400      169        289         142   BT Ignite European Backbone
       8866      165         37           9   Bulgarian Telecommunication C
       6830      157        669          33   UPC Distribution Services
       3300      155        169          90   AUCS Communications Services 
      25186      144        145         101   France Telecom Transpac's Tra
      24863      138         37           6   LINKdotNET AS number
       3215      137       1181          79   France Telecom Transpac
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      397        650         169   UniNet S.A. de C.V. 
      16814      298         18           7   NSS, S.A. 
      11172      248         83          60   Servicios Alestra S.A de C.V 
      11664      204         22          24   Keytech SA 
       6147      191        118          21   Telefonica Del Peru 
      19632      183         14           5   Metropolis Intercom S.A. 
      22047      171        128           7   VTR PUNTO NET S.A. 
      14117      156         10           5   Telefonica del Sur S.A. 
       7303      148         70          13   Telecom Argentina Stet-France
      11556      132         64           2   Cable-Wireless Panama 
       6505      122         89          86   Global One Communicaoes Ltda 
      10481      121         48           8   Prima S.A. 
      19169      120          8          28   Telconet 
      13999      118         52           9   Mega Cable S.A. de C.V. 
       6503      114        148          75   AVANTEL, S.A. 
      18822      111          7          15   TELEFONICA MANQUEHUE 
      21826      105         13          16   INTERCABLE 
       5639      103         12           9   Telecommunications Services o
      11311       97          8          14   Sinectis S.A. 
      23216       96         24          19   RAMtelecom Telecomunicaciones
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      266        708         223   The Internet Solution 
       5536      123          8          12   Internet Egypt Network
       2018       95        295          86   Tertiary Education Network 
      15475       83         84           4   Nile Online
       2905       79        211          71   The Internetworking Company o
       8452       79         32           6   TEDATA
      20928       61         16           2   Noor Advanced Technologies AS
      24835       59         34           7   RAYA Telecom - Egypt
       6713       51         54           8   Itissalat Al-MAGHRIB
       5713       38        149          33   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
      15706       31          8           3   Sudatel Internet Exchange Aut
      33774       30          4          20   AS Number for Telecom Algeria
       8524       24          1           4   AUCEGYPT Autonomous System
      16637       23         10          20   Johnnic e-Ventures 
      23889       23          5           9   MAURITIUS TELECOM
      10798       22          1          13   Standard Bank of South Africa
      21280       22          4           5   Swift Global Kenya Ltd.Is an 
      21491       18         17           2   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      1175         946      Time Warner Telecom
      18566       854         847      Covad Communications 
       9583       798         786      Sify Limited
       4134       984         781      CHINANET-BACKBONE
        721      1090         778      DLA Systems Automation Center
       4755       719         653      Videsh Sanchar Nigam Ltd. Aut
      27364       558         540      Armstrong Cable Services 
      22773       538         510      Cox Communications, Inc.
       5668       490         467      CenturyTel Internet Holdings,
       6197       928         454      BellSouth Network Solutions, 
       3602       557         447      Sprint Canada, Inc. 
       7545       514         442      TPG Internet Pty Ltd
      17676       468         367      Softbank BB Corp.
       6467       396         347      E.Spire Communications, Inc. 
      19262       461         342      Verizon Global Networks 
      11492       337         329      Cable One 
       4766       611         322      Korea Telecom (KIX)
      20115       649         320      Charter Communications 
      15270       340         312      PaeTec.net -a division of Pae
      17488       320         312      Hathway IP Over Cable Interne
      
      List of Unregistered ASNs (Global)
      ----------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65533   PRIVATE       22.22.22.0/24        17841       KRNIC
      65506   PRIVATE       64.151.117.0/24      26228       ServePath, LLC 
      64826   PRIVATE       64.200.250.0/23       7911       Williams Communicati
      65511   PRIVATE       65.77.145.0/24       16605       Aaro Broadband Wirel
      65205   PRIVATE       152.163.5.0/24        2056       America Online 
      65111   PRIVATE       194.165.131.0/24      8376       GO-JOR Autonomous Sy
      65430   PRIVATE       196.44.128.0/19      20459       Telecom Namibia 
      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
      24413   UNALLOCATED   202.46.32.0/19       17623       China Netcom Corp.
      18428   UNALLOCATED   203.91.0.0/24         9505       Taiwan Internet Gate
      65005   PRIVATE       203.200.197.0/24      4755       Videsh Sanchar Nigam
      
      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
      192.172.0.0/19         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       /9:5       /10:8       /11:17      /12:81      
      /13:177     /14:323     /15:631     /16:8511    /17:2786    /18:4711    
      /19:10801   /20:11852   /21:9882    /22:13262   /23:14141   /24:92819   
      /25:334     /26:273     /27:189     /28:26      /29:10      /30:54      
      /31:0       /32:15      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      18566      838           854      Covad Communications 
       6197      763           928      BellSouth Network Solutions, 
       7018      724          1512      AT&T WorldNet Services
       2386      632           921      AT&T Data Communications Serv
       9583      624           798      Sify Limited
       4323      562          1175      Time Warner Telecom
      27364      549           558      Armstrong Cable Services 
       4766      427           611      Korea Telecom (KIX)
       5668      398           490      CenturyTel Internet Holdings,
        702      384           608      UUNET - Commercial IP service
       1239      365           863      Sprint 
      19916      363           369      OLM LLC 
       7011      362           420      Citizens Utilities 
       6198      345           472      BellSouth Network Solutions, 
      11492      329           337      Cable One 
       6517      311           337      Yipes Communications, Inc. 
      15270      310           340      PaeTec.net -a division of Pae
        701      286           992      UUNET Technologies, Inc. 
      18302      278           293      SK Global co., Ltd
      20115      274           649      Charter Communications 
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:5         8:24       12:1595     13:1        15:10       16:2      
        17:3        18:3        20:27       22:1        24:1085     32:65     
        38:157      40:54       44:4        47:2        52:4        55:1      
        56:3        57:23       58:157      59:69       60:124      61:761    
        62:762      63:1896     64:2872     65:2080     66:2928     67:616    
        68:611      69:1222     70:190      71:18       72:386      80:628    
        81:522      82:470      83:304      84:248      85:333      86:119    
        87:16      125:8       128:156     129:167     130:96      131:296    
       132:36      133:1       134:145     135:43      136:149     137:66     
       138:165     139:61      140:429     141:105     142:148     143:141    
       144:218     145:34      146:300     147:119     148:301     149:183    
       150:108     151:72      152:113     153:89      154:5       155:140    
       156:80      157:112     158:164     159:171     160:85      161:74     
       162:232     163:132     164:191     165:186     166:154     167:250    
       168:438     169:142     170:314     171:8       190:1       192:5672   
       193:3309    194:2400    195:1554    196:681     198:3869    199:3242   
       200:4194    201:330     202:6091    203:6418    204:3801    205:2053   
       206:2446    207:2817    208:2040    209:3391    210:1663    211:812    
       212:1183    213:1371    214:302     215:36      216:3719    217:1140   
       218:220     219:137     220:487     221:282     222:130    
      
      End of report