[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, 8 Dec 2007 04:03:28 +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 08 Dec, 2007
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              239737
          Prefixes after maximum aggregation:                          123346
          Deaggregation factor:                                          1.94
          Unique aggregates announced to Internet:                     117087
      Total ASes present in the Internet Routing Table:                 26839
          Prefixes per ASN:                                              8.93
      Origin-only ASes present in the Internet Routing Table:           23354
      Origin ASes announcing only one prefix:                           11384
      Transit ASes present in the Internet Routing Table:                3485
      Transit-only ASes present in the Internet Routing Table:             73
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (13227)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 2
          Unregistered ASNs in the Routing Table:                           6
      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:             14
      Number of addresses announced to Internet:                   1794930272
          Equivalent to 106 /8s, 252 /16s and 118 /24s
          Percentage of available address space announced:               48.4
          Percentage of allocated address space announced:               61.9
          Percentage of available address space allocated:               78.2
      Total number of prefixes smaller than registry allocations:      112253
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    55725
          Total APNIC prefixes after maximum aggregation:               21333
          APNIC Deaggregation factor:                                    2.61
      Prefixes being announced from the APNIC address blocks:           52608
          Unique aggregates announced from the APNIC address blocks:    23404
      APNIC Region origin ASes present in the Internet Routing Table:    3091
          APNIC Prefixes per ASN:                                       17.02
      APNIC Region origin ASes announcing only one prefix:                815
      APNIC Region transit ASes present in the Internet Routing Table:    475
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              322888864
          Equivalent to 19 /8s, 62 /16s and 228 /24s
          Percentage of available APNIC address space announced:         73.8
      
      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:                    112183
          Total ARIN prefixes after maximum aggregation:                63984
          ARIN Deaggregation factor:                                     1.75
      Prefixes being announced from the ARIN address blocks:            82732
          Unique aggregates announced from the ARIN address blocks:     32990
      ARIN Region origin ASes present in the Internet Routing Table:    11979
          ARIN Prefixes per ASN:                                         6.91
      ARIN Region origin ASes announcing only one prefix:                4605
      ARIN Region transit ASes present in the Internet Routing Table:    1130
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               354750848
          Equivalent to 21 /8s, 37 /16s and 17 /24s
          Percentage of available ARIN address space announced:          78.3
      
      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, 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:                     50536
          Total RIPE prefixes after maximum aggregation:                32337
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            47362
          Unique aggregates announced from the RIPE address blocks:     31266
      RIPE Region origin ASes present in the Internet Routing Table:    10598
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                5612
      RIPE Region transit ASes present in the Internet Routing Table:    1650
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               338279296
          Equivalent to 20 /8s, 41 /16s and 187 /24s
          Percentage of available RIPE address space announced:          77.6
      
      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:                   18011
          Total LACNIC prefixes after maximum aggregation:               4588
          LACNIC Deaggregation factor:                                   3.93
      Prefixes being announced from the LACNIC address blocks:          15990
          Unique aggregates announced from the LACNIC address blocks:    8885
      LACNIC Region origin ASes present in the Internet Routing Table:    884
          LACNIC Prefixes per ASN:                                      18.09
      LACNIC Region origin ASes announcing only one prefix:               284
      LACNIC Region transit ASes present in the Internet Routing Table:   156
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              47004416
          Equivalent to 2 /8s, 205 /16s and 59 /24s
          Percentage of available LACNIC address space announced:        46.7
      
      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:                   3271
          Total AfriNIC prefixes after maximum aggregation:              1088
          AfriNIC Deaggregation factor:                                  3.01
      Prefixes being announced from the AfriNIC address blocks:          2426
          Unique aggregates announced from the AfriNIC address blocks:   1446
      AfriNIC Region origin ASes present in the Internet Routing Table:   213
          AfriNIC Prefixes per ASN:                                     11.39
      AfriNIC Region origin ASes announcing only one prefix:               68
      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:              8193792
          Equivalent to 0 /8s, 125 /16s and 7 /24s
          Percentage of available AfriNIC address space announced:       24.4
      
      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     1490        383          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1093         81         431   Sify Limited
       9498     1059        549          63   BHARTI BT INTERNET LTD.
       4134     1041      11569         305   CHINANET-BACKBONE
      17488      917         59          80   Hathway IP Over Cable Interne
       4766      818       5474         330   Korea Telecom (KIX)
      23577      797         34         680   Korea Telecom (ATM-MPLS)
       7545      667        146         113   TPG Internet Pty Ltd
      18101      610        120          57   Reliance Infocom Ltd Internet
       9829      584        448          10   BSNL National Internet Backbo
       1221      546       1952         422   Telstra Pty Ltd
       4668      519         68          10   LG-EDS Systems Inc.
       4808      519        796         120   CNCGROUP IP network: China169
       4812      515        865          81   China Telecom (Shanghai)
      17676      504      10919          64   Softbank BB Corp.
       4802      468        126         149   Wantree Development
       9443      440        121          70   Primus Telecommunications
      17974      407        145          17   PT TELEKOMUNIKASI INDONESIA
       7474      384        202         270   SingTel Optus Pty Ltd
       4837      362       5072         176   chinanet IDC center beijing n
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1494       6121        1005   AT&T WorldNet Services
       4323     1385       1015         363   Time Warner Telecom
       2386     1321        635         796   AT&T Data Communications Serv
      11492     1172        124          41   Cable One 
       6478     1118        329         193   AT&T Worldnet Services 
      18566     1034        288           9   Covad Communications 
       6197     1031        721         510   BellSouth Network Solutions, 
       7011      992        295         578   Citizens Utilities 
        174      969       6857         820   Cogent Communications
        701      897       6548         703   UUNET Technologies, Inc. 
      20115      847        774         457   Charter Communications 
       3356      841      10904         417   Level 3 Communications, LLC 
      22773      830       2138          58   Cox Communications, Inc.
      19262      800       3046         188   Verizon Global Networks 
       1239      789       2672         550   Sprint 
        209      741       3786         582   Qwest 
       5668      664        177          20   CenturyTel Internet Holdings,
      15270      608        160          41   PaeTec.net -a division of Pae
       6517      600        163          33   Yipes Communications, Inc. 
        852      584       1110         357   Telus Advanced Communications
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
        702      466       1917         379   UUNET - Commercial IP service
       3292      408       1653         368   TDC Tele Danmark
       9116      341        184          28   Goldenlines main autonomous s
       3301      319       1457         294   TeliaNet Sweden
       3320      316       6019         262   Deutsche Telekom AG
       8866      282         78          26   Bulgarian Telecommunication C
       8452      280        188           7   TEDATA
       6746      277        130         254   Dynamic Network Technologies,
       8551      277        266          40   Bezeq International
       8708      273        421         245   Romania Data Systems S.A.
       3215      270       2583          92   France Telecom Transpac
        680      268       2045         254   DFN-IP service G-WiN
       8220      247        439         230   COLT Telecommunications
       3352      235       1948          40   Ibernet, Internet Access Netw
       3269      229       3029          67   TELECOM ITALIA
       3300      214        220         102   AUCS Communications Services 
       9121      212       1444          26   TTnet Autonomous System
       9155      199         43          11   QualityNet AS number
       1257      195       1195         178   SWIPnet Swedish IP Network
      12479      195        578           6   Uni2 Autonomous System
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1158       2409         219   UniNet S.A. de C.V. 
      11830      539        299           9   Instituto Costarricense de El
      16814      427         27          10   NSS, S.A. 
       7303      406        197          61   Telecom Argentina Stet-France
      11172      379        115          62   Servicios Alestra S.A de C.V 
      14522      379         34           8   SatNet S.A. 
       6471      363         85          38   ENTEL CHILE S.A. 
      22047      322        254          13   VTR PUNTO NET S.A. 
      10481      301        120          10   Prima S.A. 
      10620      289         79          23   TVCABLE BOGOTA 
      14117      285         19          15   Telefonica del Sur S.A. 
       6147      256        214          21   Telefonica Del Peru 
       7738      238        602          25   Telecomunicacoes da Bahia S.A
      11556      236        128           4   Cable-Wireless Panama 
      20299      223         33          29   NEWCOM AMERICAS 
      23216      222         17          47   RAMtelecom Telecomunicaciones
       6503      220        187          86   AVANTEL, S.A. 
      28573      216        321          29   NET Servicos de Comunicao S.A
      19169      190         12          20   Telconet 
      21826      186         33          47   INTERCABLE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      391         60          36   LINKdotNET AS number
       3741      280        869         226   The Internet Solution 
      20858      200         34           3   EgyNet
       6713      145        135          11   Itissalat Al-MAGHRIB
       2018      144        300         116   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      124          8          15   EEPAD TISP TELECOM & INTERNET
      33776      100          6           3   Starcomms Nigeria Limited
      24835       88         48           6   RAYA Telecom - Egypt
      15475       86         84           4   Nile Online
       2905       77        174          73   The Internetworking Company o
      23889       75         24          15   MAURITIUS TELECOM
      20484       66          5           6   Yalla Online Autonomous Syste
      15706       58         12           4   Sudatel Internet Exchange Aut
      29571       57         13           7   Ci Telecom Autonomous system 
      33774       50         37          28   AS Number for Telecom Algeria
       5713       47        423          37   Telkom SA Ltd 
       8524       32          2          10   AUCEGYPT Autonomous System
      12455       32          6           3   Jambonet Autonomous system
      21152       32          2           1   AS for the uplinks of Soficom
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1490        1419      Videsh Sanchar Nigam Ltd. Aut
      11492      1172        1131      Cable One 
      18566      1034        1025      Covad Communications 
       4323      1385        1022      Time Warner Telecom
       9498      1059         996      BHARTI BT INTERNET LTD.
       8151      1158         939      UniNet S.A. de C.V. 
       6478      1118         925      AT&T Worldnet Services 
      17488       917         837      Hathway IP Over Cable Interne
      22773       830         772      Cox Communications, Inc.
       4134      1041         736      CHINANET-BACKBONE
       9583      1093         662      Sify Limited
       5668       664         644      CenturyTel Internet Holdings,
      19262       800         612      Verizon Global Networks 
       9829       584         574      BSNL National Internet Backbo
      15270       608         567      PaeTec.net -a division of Pae
       6517       600         567      Yipes Communications, Inc. 
       7545       667         554      TPG Internet Pty Ltd
      18101       610         553      Reliance Infocom Ltd Internet
      11830       539         530      Instituto Costarricense de El
       2386      1321         525      AT&T Data Communications Serv
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65068   PRIVATE       79.171.184.0/21      43895       *
      64779   PRIVATE       124.161.4.0/23       38356       BeiJing Sincerity-ti
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.31.31.0/24         9730     The Best ISP to go Multimedia
      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
      173.173.173.0/24      9730     The Best ISP to go Multimedia
      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       /10:15      /11:40      /12:135     
      /13:270     /14:485     /15:960     /16:9737    /17:4185    /18:6837    
      /19:14817   /20:16917   /21:15942   /22:20093   /23:21045   /24:125722  
      /25:821     /26:1035    /27:550     /28:91      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      11492     1163          1172      Cable One 
       6478     1117          1118      AT&T Worldnet Services 
      18566     1016          1034      Covad Communications 
       2386     1012          1321      AT&T Data Communications Serv
       9583      938          1093      Sify Limited
       7011      877           992      Citizens Utilities 
       4755      855          1490      Videsh Sanchar Nigam Ltd. Aut
       7018      824          1494      AT&T WorldNet Services
      23577      788           797      Korea Telecom (ATM-MPLS)
       6197      773          1031      BellSouth Network Solutions, 
       9498      746          1059      BHARTI BT INTERNET LTD.
      17488      732           917      Hathway IP Over Cable Interne
       4766      606           818      Korea Telecom (KIX)
       4323      591          1385      Time Warner Telecom
      15270      570           608      PaeTec.net -a division of Pae
      19916      564           569      OLM LLC 
       6517      556           600      Yipes Communications, Inc. 
       5668      522           664      CenturyTel Internet Holdings,
       4668      509           519      LG-EDS Systems Inc.
      18101      504           610      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:9         8:91       12:1908     13:2        15:20       16:3      
        17:6        18:13       20:35       24:1011     25:1        31:1      
        32:61       33:3        38:364      40:64       41:403      44:2      
        47:8        52:3        55:3        56:3        57:21       58:487    
        59:413      60:389      61:995      62:1003     63:1976     64:3287   
        65:2360     66:3597     67:950      68:646      69:2056     70:465    
        71:106      72:1458     73:7        74:754      75:263      76:158    
        77:488      78:376      79:43       80:894      81:814      82:550    
        83:361      84:617      85:890      86:365      87:613      88:289    
        89:1057     90:39       91:811      92:13       96:1        97:7      
        98:18      114:1       115:1       116:447     117:221     118:50     
       121:351     122:652     123:228     124:748     125:1062    128:309    
       129:181     130:137     131:375     132:62      133:9       134:194    
       135:33      136:195     137:82      138:148     139:73      140:513    
       141:117     142:372     143:260     144:329     145:51      146:331    
       147:127     148:481     149:184     150:171     151:118     152:95     
       153:122     154:11      155:270     156:199     157:226     158:165    
       159:197     160:185     161:100     162:193     163:185     164:558    
       165:415     166:291     167:311     168:552     169:126     170:417    
       171:29      172:5       173:1       189:119     190:1285    192:5739   
       193:4052    194:3226    195:2327    196:931     198:3806    199:3231   
       200:5216    201:1279    202:7368    203:7819    204:3956    205:2018   
       206:2416    207:2764    208:3011    209:3558    210:2511    211:1106   
       212:1274    213:1601    214:415     215:47      216:4075    217:1214   
       218:331     219:403     220:1014    221:406     222:287    
      
      End of report