[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, 14 Jul 2007 04:03:56 +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 14 Jul, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/07/14/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              225547
          Prefixes after maximum aggregation:                          118636
          Deaggregation factor:                                          1.90
          Unique aggregates announced to Internet:                     109493
      Total ASes present in the Internet Routing Table:                 25683
          Prefixes per ASN:                                              8.78
      Origin-only ASes present in the Internet Routing Table:           22406
      Origin ASes announcing only one prefix:                           10886
      Transit ASes present in the Internet Routing Table:                3277
      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:                                      25
          Max AS path prepend of ASN (16327)                               21
      Prefixes from unregistered ASNs in the Routing Table:                 7
          Unregistered ASNs in the Routing Table:                          10
      Prefixes from 32-bit ASNs in the Routing Table:                       5
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1737103968
          Equivalent to 103 /8s, 138 /16s and 26 /24s
          Percentage of available address space announced:               46.9
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      118597
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    52824
          Total APNIC prefixes after maximum aggregation:               20564
          APNIC Deaggregation factor:                                    2.57
      Prefixes being announced from the APNIC address blocks:           49705
          Unique aggregates announced from the APNIC address blocks:    21795
      APNIC Region origin ASes present in the Internet Routing Table:    3009
          APNIC Prefixes per ASN:                                       16.52
      APNIC Region origin ASes announcing only one prefix:                803
      APNIC Region transit ASes present in the Internet Routing Table:    452
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         25
      Number of APNIC addresses announced to Internet:              304296352
          Equivalent to 18 /8s, 35 /16s and 49 /24s
          Percentage of available APNIC address space announced:         75.4
      
      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, 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:                    107255
          Total ARIN prefixes after maximum aggregation:                62281
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            78905
          Unique aggregates announced from the ARIN address blocks:     31219
      ARIN Region origin ASes present in the Internet Routing Table:    11677
          ARIN Prefixes per ASN:                                         6.76
      ARIN Region origin ASes announcing only one prefix:                4502
      ARIN Region transit ASes present in the Internet Routing Table:    1060
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               339063104
          Equivalent to 20 /8s, 53 /16s and 177 /24s
          Percentage of available ARIN address space announced:          74.9
      
      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:                     47361
          Total RIPE prefixes after maximum aggregation:                30469
          RIPE Deaggregation factor:                                     1.55
      Prefixes being announced from the RIPE address blocks:            43732
          Unique aggregates announced from the RIPE address blocks:     28884
      RIPE Region origin ASes present in the Internet Routing Table:     9902
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5255
      RIPE Region transit ASes present in the Internet Routing Table:    1557
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               322506048
          Equivalent to 19 /8s, 57 /16s and 13 /24s
          Percentage of available RIPE address space announced:          80.1
      
      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
                             40960-44031
      RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
                             212/7 and 217/8
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   15508
          Total LACNIC prefixes after maximum aggregation:               4289
          LACNIC Deaggregation factor:                                   3.62
      Prefixes being announced from the LACNIC address blocks:          13549
          Unique aggregates announced from the LACNIC address blocks:    7650
      LACNIC Region origin ASes present in the Internet Routing Table:    824
          LACNIC Prefixes per ASN:                                      16.44
      LACNIC Region origin ASes announcing only one prefix:               266
      LACNIC Region transit ASes present in the Internet Routing Table:   140
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              40528384
          Equivalent to 2 /8s, 106 /16s and 106 /24s
          Percentage of available LACNIC address space announced:        60.4
      
      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:                   2591
          Total AfriNIC prefixes after maximum aggregation:              1023
          AfriNIC Deaggregation factor:                                  2.53
      Prefixes being announced from the AfriNIC address blocks:          2102
          Unique aggregates announced from the AfriNIC address blocks:   1281
      AfriNIC Region origin ASes present in the Internet Routing Table:   197
          AfriNIC Prefixes per ASN:                                     10.67
      AfriNIC Region origin ASes announcing only one prefix:               60
      AfriNIC Region transit ASes present in the Internet Routing Table:   35
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:              6299392
          Equivalent to 0 /8s, 96 /16s and 31 /24s
          Percentage of available AfriNIC address space announced:       18.8
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks 41/8, 196/8
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4134     1355      10715         285   CHINANET-BACKBONE
       4755     1277        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1115         80         375   Sify Limited
       9498      965        533          68   BHARTI BT INTERNET LTD.
      23577      793         34         687   Korea Telecom (ATM-MPLS)
       4766      784       4929         314   Korea Telecom (KIX)
      17488      721         63          54   Hathway IP Over Cable Interne
       7545      689        149         111   TPG Internet Pty Ltd
      18101      565        117          39   Reliance Infocom Ltd Internet
       1221      544       1951         423   Telstra Pty Ltd
       4812      521        903          92   China Telecom (Shanghai)
       4668      512         68          10   LG-EDS Systems Inc.
      17676      504      10935          65   Softbank BB Corp.
       9443      472        122          77   Primus Telecommunications
       7474      411        218         270   SingTel Optus Pty Ltd
       4802      410        105         150   Wantree Development
      17974      371        130          13   PT TELEKOMUNIKASI INDONESIA
       2907      362       1701         302   SINET Japan
       4808      355        666         118   CNCGROUP IP network: China169
      17557      352         45         173   Pakistan Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1464       6058         989   AT&T WorldNet Services
       4323     1321       1021         375   Time Warner Telecom
       2386     1209        616         751   AT&T Data Communications Serv
       6478     1129        371         173   AT&T Worldnet Services 
      11492     1099        107          27   Cable One 
       6197     1028        717         509   BellSouth Network Solutions, 
      18566     1014        288           9   Covad Communications 
        174      965       6776         855   Cogent Communications
        701      944       6565         721   UUNET Technologies, Inc. 
       7011      857        252         537   Citizens Utilities 
       1239      815       2741         581   Sprint 
      20115      800        734         428   Charter Communications 
      19262      759       2755         185   Verizon Global Networks 
        209      742       3859         577   Qwest 
      22773      738       1892          49   Cox Communications, Inc.
       5668      616        169          21   CenturyTel Internet Holdings,
       7029      612        488          79   Alltel Information Services, 
        855      575        254          73   Canadian Research Network 
        852      572       1093         363   Telus Advanced Communications
      19916      568         49          51   OLM LLC 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      513       1075         136   Telenor Internet Access
        702      500       1921         401   UUNET - Commercial IP service
      24863      358         56          37   LINKdotNET AS number
       9116      316        168          25   Goldenlines main autonomous s
       3301      311       1456         291   TeliaNet Sweden
       3320      309       6034         256   Deutsche Telekom AG
       6746      280        129         256   Dynamic Network Technologies,
       5089      268       1658          53   NTL Group Limited
        680      265       2045         256   DFN-IP service G-WiN
       3215      255       2376          96   France Telecom Transpac
       8220      251        444         243   COLT Telecommunications
       8708      250        420         239   Romania Data Systems S.A.
       8551      223        213          28   Bezeq International
       3269      222       2775          74   TELECOM ITALIA
       3352      218       1864          41   Ibernet, Internet Access Netw
       9121      210       1441          24   TTnet Autonomous System
       1257      194       1195         172   SWIPnet Swedish IP Network
       3292      194       1379         174   TDC Tele Danmark
      12479      190        578           6   Uni2 Autonomous System
       3246      185        253         176   Song Networks
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151      855       1910         211   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      11172      373        116          63   Servicios Alestra S.A de C.V 
      16814      361         22           8   NSS, S.A. 
      22047      318        246          13   VTR PUNTO NET S.A. 
       7303      305        148          35   Telecom Argentina Stet-France
       6471      299         74          33   ENTEL CHILE S.A. 
      14117      279         19          15   Telefonica del Sur S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      226        174          26   Telefonica Del Peru 
       6503      208        172          85   AVANTEL, S.A. 
      10620      208         59          14   TVCABLE BOGOTA 
      23216      196         16          43   RAMtelecom Telecomunicaciones
      10481      181         72           8   Prima S.A. 
      14522      177         28           7   SatNet S.A. 
       8163      176         11           9   METROTEL REDES S.A. 
       7738      156        506          23   Telecomunicacoes da Bahia S.A
      20299      156         23          12   NEWCOM AMERICAS 
      21826      156         27          59   INTERCABLE 
       7910      155         11          30   ANDINET ON LINE 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      277        867         221   The Internet Solution 
       8452      231        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      136        301         111   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      122          8          12   EEPAD TISP TELECOM & INTERNET
      24835       86         48           6   RAYA Telecom - Egypt
       2905       76        174          73   The Internetworking Company o
      15475       76         84           4   Nile Online
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       51         16          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      33774       44         29          24   AS Number for Telecom Algeria
      16637       37         21          29   Johnnic e-Ventures 
      33776       35          2           6   Starcomms Nigeria Limited
       8524       32          2           8   AUCEGYPT Autonomous System
      12455       31          6           3   Jambonet Autonomous system
      21280       29          4           4   Swift Global Kenya Ltd.Is an 
      10798       24          2          15   Standard Bank of South Africa
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4755      1277        1206      Videsh Sanchar Nigam Ltd. Aut
      11492      1099        1072      Cable One 
       4134      1355        1070      CHINANET-BACKBONE
      18566      1014        1005      Covad Communications 
       6478      1129         956      AT&T Worldnet Services 
       4323      1321         946      Time Warner Telecom
       9498       965         897      BHARTI BT INTERNET LTD.
       9583      1115         740      Sify Limited
      22773       738         689      Cox Communications, Inc.
      17488       721         667      Hathway IP Over Cable Interne
       8151       855         644      UniNet S.A. de C.V. 
       5668       616         595      CenturyTel Internet Holdings,
       7545       689         578      TPG Internet Pty Ltd
      19262       759         574      Verizon Global Networks 
       7029       612         533      Alltel Information Services, 
      18101       565         526      Reliance Infocom Ltd Internet
       6517       563         526      Yipes Communications, Inc. 
       6197      1028         519      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
      15270       555         517      PaeTec.net -a division of Pae
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65332   PRIVATE       63.166.106.192/27     1803       SPRINT 
      43185   UNALLOCATED   77.95.208.0/21       12779       ITGATE.Net
      38347   UNALLOCATED   116.212.160.0/21      9389       BEIJING SHENZHOU GRE
      38347   UNALLOCATED   116.212.168.0/21      9389       BEIJING SHENZHOU GRE
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      65101   PRIVATE       203.127.145.0/24      9255       Singapore Telecom
      22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia Business So
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      7.1.1.0/24            1239     Sprint 
      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
      172.33.1.0/24         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       /10:15      /11:36      /12:129     
      /13:254     /14:468     /15:901     /16:9546    /17:4012    /18:6483    
      /19:13733   /20:15992   /21:14447   /22:18801   /23:19740   /24:118614  
      /25:771     /26:987     /27:479     /28:77      /29:8       /30:14      
      /31:0       /32:13      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1119          1129      AT&T Worldnet Services 
      11492     1090          1099      Cable One 
      18566      996          1014      Covad Communications 
       9583      956          1115      Sify Limited
       2386      902          1209      AT&T Data Communications Serv
       7018      796          1464      AT&T WorldNet Services
      23577      784           793      Korea Telecom (ATM-MPLS)
       6197      781          1028      BellSouth Network Solutions, 
       7011      756           857      Citizens Utilities 
       4755      673          1277      Videsh Sanchar Nigam Ltd. Aut
       9498      639           965      BHARTI BT INTERNET LTD.
       4766      588           784      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      553          1321      Time Warner Telecom
      17488      543           721      Hathway IP Over Cable Interne
       6517      528           563      Yipes Communications, Inc. 
      15270      519           555      PaeTec.net -a division of Pae
       4668      502           512      LG-EDS Systems Inc.
       5668      482           616      CenturyTel Internet Holdings,
      18101      479           565      Reliance Infocom Ltd Internet
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:83        9:1        12:1803     15:19     
        16:3        17:3        18:11       20:37       24:938      25:1      
        32:50       33:3        38:334      40:60       41:208      44:2      
        47:3        52:4        55:3        56:3        57:25       58:430    
        59:378      60:333      61:986      62:872      63:1983     64:3120   
        65:2357     66:3301     67:742      68:625      69:1890     70:433    
        71:106      72:1345     73:2        74:572      75:269      76:72     
        77:280      78:19       80:827      81:817      82:668      83:383    
        84:487      85:869      86:341      87:455      88:287      89:906    
        90:7        91:413      97:6        98:4       116:239     117:49     
       121:230     122:576     123:128     124:846     125:942     128:288    
       129:222     130:140     131:360     132:54      133:9       134:195    
       135:38      136:186     137:80      138:149     139:72      140:495    
       141:173     142:373     143:233     144:297     145:45      146:324    
       147:120     148:401     149:144     150:113     151:160     152:90     
       153:127     154:2       155:254     156:153     157:213     158:159    
       159:162     160:105     161:93      162:219     163:179     164:461    
       165:408     166:294     167:292     168:506     169:120     170:409    
       171:20      172:1       189:61      190:741     192:5738    193:3916   
       194:3161    195:2240    196:964     198:3812    199:3272    200:4924   
       201:1097    202:7382    203:7579    204:3965    205:2007    206:2408   
       207:2834    208:2712    209:3504    210:2439    211:933     212:1302   
       213:1482    214:408     215:41      216:3988    217:1152    218:362    
       219:387     220:992     221:409     222:266    
      
      End of report