[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, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 10 Nov 2007 04:13:42 +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
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 10 Nov, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              237341
          Prefixes after maximum aggregation:                          122449
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     115597
      Total ASes present in the Internet Routing Table:                 26637
          Prefixes per ASN:                                              8.91
      Origin-only ASes present in the Internet Routing Table:           23181
      Origin ASes announcing only one prefix:                           11299
      Transit ASes present in the Internet Routing Table:                3456
      Transit-only ASes present in the Internet Routing Table:             82
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (35389)                               25
      Prefixes from unregistered ASNs in the Routing Table:                13
          Unregistered ASNs in the Routing Table:                           7
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             12
      Number of addresses announced to Internet:                   1789588096
          Equivalent to 106 /8s, 170 /16s and 242 /24s
          Percentage of available address space announced:               48.3
          Percentage of allocated address space announced:               61.8
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      110282
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55382
          Total APNIC prefixes after maximum aggregation:               21135
          APNIC Deaggregation factor:                                    2.62
      Prefixes being announced from the APNIC address blocks:           52274
          Unique aggregates announced from the APNIC address blocks:    23121
      APNIC Region origin ASes present in the Internet Routing Table:    3082
          APNIC Prefixes per ASN:                                       16.96
      APNIC Region origin ASes announcing only one prefix:                808
      APNIC Region transit ASes present in the Internet Routing Table:    473
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              323915200
          Equivalent to 19 /8s, 78 /16s and 141 /24s
          Percentage of available APNIC address space announced:         74.1
      
      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, 114/7, 116/6, 120/6, 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:                    111414
          Total ARIN prefixes after maximum aggregation:                63761
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            82332
          Unique aggregates announced from the ARIN address blocks:     32690
      ARIN Region origin ASes present in the Internet Routing Table:    11930
          ARIN Prefixes per ASN:                                         6.90
      ARIN Region origin ASes announcing only one prefix:                4591
      ARIN Region transit ASes present in the Internet Routing Table:    1118
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          14
      Number of ARIN addresses announced to Internet:               352392704
          Equivalent to 21 /8s, 1 /16s and 22 /24s
          Percentage of available ARIN address space announced:          77.8
      
      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, 39936-40959
      ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6,
                             208/7 and 216/8
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     49571
          Total RIPE prefixes after maximum aggregation:                31892
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            46437
          Unique aggregates announced from the RIPE address blocks:     30624
      RIPE Region origin ASes present in the Internet Routing Table:    10456
          RIPE Prefixes per ASN:                                         4.44
      RIPE Region origin ASes announcing only one prefix:                5544
      RIPE Region transit ASes present in the Internet Routing Table:    1646
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE addresses announced to Internet:               335900672
          Equivalent to 20 /8s, 5 /16s and 112 /24s
          Percentage of available RIPE address space announced:          77.0
      
      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
                             40960-45055
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7
                             and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   17770
          Total LACNIC prefixes after maximum aggregation:               4565
          LACNIC Deaggregation factor:                                   3.89
      Prefixes being announced from the LACNIC address blocks:          15670
          Unique aggregates announced from the LACNIC address blocks:    8680
      LACNIC Region origin ASes present in the Internet Routing Table:    871
          LACNIC Prefixes per ASN:                                      17.99
      LACNIC Region origin ASes announcing only one prefix:               284
      LACNIC Region transit ASes present in the Internet Routing Table:   149
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              45985792
          Equivalent to 2 /8s, 189 /16s and 176 /24s
          Percentage of available LACNIC address space announced:        45.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/7, 189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   3182
          Total AfriNIC prefixes after maximum aggregation:              1080
          AfriNIC Deaggregation factor:                                  2.95
      Prefixes being announced from the AfriNIC address blocks:          2375
          Unique aggregates announced from the AfriNIC address blocks:   1398
      AfriNIC Region origin ASes present in the Internet Routing Table:   215
          AfriNIC Prefixes per ASN:                                     11.05
      AfriNIC Region origin ASes announcing only one prefix:               72
      AfriNIC Region transit ASes present in the Internet Routing Table:   39
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              7636224
          Equivalent to 0 /8s, 116 /16s and 133 /24s
          Percentage of available AfriNIC address space announced:       22.8
      
      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
       4755     1482        383          70   Videsh Sanchar Nigam Ltd. Aut
       9583     1101         81         419   Sify Limited
       4134     1100      11563         301   CHINANET-BACKBONE
       9498     1046        549          64   BHARTI BT INTERNET LTD.
      17488      879         57          70   Hathway IP Over Cable Interne
       4766      815       5474         328   Korea Telecom (KIX)
      23577      776         34         681   Korea Telecom (ATM-MPLS)
       7545      721        159         123   TPG Internet Pty Ltd
      18101      608        119          52   Reliance Infocom Ltd Internet
       1221      543       1951         423   Telstra Pty Ltd
       9829      530       1312           9   BSNL National Internet Backbo
       4812      524        866          77   China Telecom (Shanghai)
       4668      521         68          10   LG-EDS Systems Inc.
      17676      504      10919          64   Softbank BB Corp.
       4808      499        797         121   CNCGROUP IP network: China169
       4802      481        130         141   Wantree Development
       9443      440        121          70   Primus Telecommunications
       7474      383        202         269   SingTel Optus Pty Ltd
      17974      383        146          14   PT TELEKOMUNIKASI INDONESIA
       4837      356       5050         168   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1498       6146        1005   AT&T WorldNet Services
       4323     1362       1014         358   Time Warner Telecom
       2386     1259        630         769   AT&T Data Communications Serv
      11492     1164        120          48   Cable One 
       6478     1121        329         184   AT&T Worldnet Services 
      18566     1030        288           9   Covad Communications 
       6197     1029        718         508   BellSouth Network Solutions, 
        174      981       6882         846   Cogent Communications
       7011      981        290         564   Citizens Utilities 
        701      902       6569         706   UUNET Technologies, Inc. 
      20115      851        773         461   Charter Communications 
       3356      827      10887         411   Level 3 Communications, LLC 
      22773      806       2133          54   Cox Communications, Inc.
      19262      802       2893         184   Verizon Global Networks 
       1239      801       2713         557   Sprint 
        209      729       3784         573   Qwest 
       5668      664        176          17   CenturyTel Internet Holdings,
      15270      598        161          41   PaeTec.net -a division of Pae
       3561      592       2324         374   Savvis
       6517      585        163          33   Yipes Communications, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      470       1917         383   UUNET - Commercial IP service
       9116      335        168          28   Goldenlines main autonomous s
       3301      316       1441         293   TeliaNet Sweden
       3320      316       6035         262   Deutsche Telekom AG
       8551      311        298          41   Bezeq International
       6746      276        130         254   Dynamic Network Technologies,
       8708      274        421         245   Romania Data Systems S.A.
       8866      271         62          25   Bulgarian Telecommunication C
        680      268       2045         254   DFN-IP service G-WiN
       3215      263       2503          98   France Telecom Transpac
       8220      255        444         237   COLT Telecommunications
       8452      249        188           7   TEDATA
       3352      235       1932          41   Ibernet, Internet Access Netw
       3269      229       2967          71   TELECOM ITALIA
       9121      212       1442          25   TTnet Autonomous System
       3300      198        171          93   AUCS Communications Services 
      12479      195        578           6   Uni2 Autonomous System
       1257      194       1195         177   SWIPnet Swedish IP Network
       3292      193       1380         177   TDC Tele Danmark
       3246      185        256         175   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1162       2419         216   UniNet S.A. de C.V. 
      11830      539        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
      14522      381         33           8   SatNet S.A. 
      11172      376        114          60   Servicios Alestra S.A de C.V 
       7303      373        180          56   Telecom Argentina Stet-France
       6471      353         77          37   ENTEL CHILE S.A. 
      22047      317        246          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      14117      285         19          15   Telefonica del Sur S.A. 
      10620      253         70          44   TVCABLE BOGOTA 
       6147      242        182          20   Telefonica Del Peru 
      11556      236        128           4   Cable-Wireless Panama 
      23216      218         17          46   RAMtelecom Telecomunicaciones
       6503      216        187          85   AVANTEL, S.A. 
      28573      214        314          27   NET Servicos de Comunicao S.A
       7738      206        538          24   Telecomunicacoes da Bahia S.A
      20299      187         33          30   NEWCOM AMERICAS 
      21826      186         33          47   INTERCABLE 
      19169      182         12          19   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      380         60          40   LINKdotNET AS number
       3741      281        869         226   The Internet Solution 
      20858      195         34           3   EgyNet
       6713      143        135          11   Itissalat Al-MAGHRIB
       2018      140        299         115   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       81         84           4   Nile Online
       2905       75        174          72   The Internetworking Company o
      23889       75         24          15   MAURITIUS TELECOM
      33783       68          8          14   EEPAD TISP TELECOM & INTERNET
      20484       63          5           5   Yalla Online Autonomous Syste
      16637       62         21          29   Johnnic e-Ventures 
      15706       57         12           4   Sudatel Internet Exchange Aut
      29571       56         11           7   Ci Telecom Autonomous system 
      33774       47         32          27   AS Number for Telecom Algeria
       5713       45        294          35   Telkom SA Ltd 
      12455       36          6           3   Jambonet Autonomous system
       8524       32          2          10   AUCEGYPT Autonomous System
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1482        1412      Videsh Sanchar Nigam Ltd. Aut
      11492      1164        1116      Cable One 
      18566      1030        1021      Covad Communications 
       4323      1362        1004      Time Warner Telecom
       9498      1046         982      BHARTI BT INTERNET LTD.
       8151      1162         946      UniNet S.A. de C.V. 
       6478      1121         937      AT&T Worldnet Services 
      17488       879         809      Hathway IP Over Cable Interne
       4134      1100         799      CHINANET-BACKBONE
      22773       806         752      Cox Communications, Inc.
       9583      1101         682      Sify Limited
       5668       664         647      CenturyTel Internet Holdings,
      19262       802         618      Verizon Global Networks 
       7545       721         598      TPG Internet Pty Ltd
      15270       598         557      PaeTec.net -a division of Pae
      18101       608         556      Reliance Infocom Ltd Internet
       6517       585         552      Yipes Communications, Inc. 
      11830       539         530      Instituto Costarricense de El
      19916       569         522      OLM LLC 
       6197      1029         521      BellSouth Network Solutions, 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      64999   PRIVATE       78.24.120.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.122.0/23        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.124.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.125.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.126.0/24        3257       Tiscali Intl Network
      64999   PRIVATE       78.24.127.0/24        3257       Tiscali Intl Network
      65068   PRIVATE       79.171.184.0/21      43895       *
      64718   PRIVATE       81.200.197.0/24      25325       AS of Deutsche Bahn 
      64718   PRIVATE       81.200.198.0/23      25325       AS of Deutsche Bahn 
      64719   PRIVATE       81.200.204.0/24      25325       AS of Deutsche Bahn 
      65300   PRIVATE       216.243.221.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.222.0/24     11320       Internet Express, In
      65300   PRIVATE       216.243.223.0/24     11320       Internet Express, In
      
      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
      172.14.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      172.15.254.0/24      20312     CNTI-REACCIUN "Centro Naciona
      172.33.1.0/24         7018     AT&T WorldNet Services
      192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
      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 
      192.153.136.0/21       721     DLA Systems Automation Center
      192.172.0.0/19         721     DLA Systems Automation Center
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:9       /10:16      /11:39      /12:136     
      /13:270     /14:483     /15:948     /16:9704    /17:4190    /18:6746    
      /19:14663   /20:16756   /21:15647   /22:19842   /23:20840   /24:124539  
      /25:807     /26:1018    /27:543     /28:114     /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1155          1164      Cable One 
       6478     1120          1121      AT&T Worldnet Services 
      18566     1012          1030      Covad Communications 
       2386      950          1259      AT&T Data Communications Serv
       9583      946          1101      Sify Limited
       7011      868           981      Citizens Utilities 
       4755      850          1482      Videsh Sanchar Nigam Ltd. Aut
       7018      826          1498      AT&T WorldNet Services
       6197      773          1029      BellSouth Network Solutions, 
      23577      767           776      Korea Telecom (ATM-MPLS)
       9498      730          1046      BHARTI BT INTERNET LTD.
      17488      694           879      Hathway IP Over Cable Interne
       4766      606           815      Korea Telecom (KIX)
       4323      575          1362      Time Warner Telecom
      19916      564           569      OLM LLC 
      15270      560           598      PaeTec.net -a division of Pae
       6517      541           585      Yipes Communications, Inc. 
       5668      522           664      CenturyTel Internet Holdings,
       4668      511           521      LG-EDS Systems Inc.
      18101      509           608      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:89       12:1826     15:19       16:3        17:6      
        18:13       20:35       24:993      25:1        32:57       33:3      
        38:360      40:64       41:396      44:2        47:8        52:3      
        55:3        56:3        57:21       58:480      59:414      60:384    
        61:987      62:940      63:1981     64:3304     65:2375     66:3569   
        67:906      68:677      69:2012     70:466      71:106      72:1434   
        73:7        74:750      75:263      76:151      77:416      78:271    
        79:11       80:873      81:787      82:535      83:350      84:617    
        85:827      86:356      87:590      88:281      89:1019     90:38     
        91:729      92:5        96:2        97:6        98:9       116:428    
       117:224     118:43      121:337     122:643     123:208     124:700    
       125:1041    128:309     129:194     130:141     131:369     132:57     
       133:9       134:193     135:34      136:192     137:82      138:152    
       139:76      140:519     141:145     142:372     143:254     144:324    
       145:50      146:326     147:127     148:485     149:184     150:167    
       151:137     152:93      153:121     154:11      155:261     156:164    
       157:222     158:160     159:187     160:132     161:100     162:190    
       163:184     164:498     165:397     166:291     167:308     168:515    
       169:129     170:419     171:24      172:5       189:115     190:1206   
       192:5727    193:4031    194:3203    195:2463    196:924     198:3799   
       199:3227    200:5234    201:1254    202:7474    203:7812    204:3983   
       205:1996    206:2437    207:2785    208:2942    209:3596    210:2501   
       211:1078    212:1306    213:1523    214:419     215:44      216:4093   
       217:1190    218:320     219:396     220:1012    221:407     222:267    
      
      
      End of report