[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, 21 Jul 2007 04:03:32 +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 21 Jul, 2007
      
      Report Website: http://thyme.apnic.net
      This report:    http://thyme.apnic.net/ap-data/2007/07/21/0400
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              226170
          Prefixes after maximum aggregation:                          118939
          Deaggregation factor:                                          1.90
          Unique aggregates announced to Internet:                     109985
      Total ASes present in the Internet Routing Table:                 25742
          Prefixes per ASN:                                              8.79
      Origin-only ASes present in the Internet Routing Table:           22440
      Origin ASes announcing only one prefix:                           10932
      Transit ASes present in the Internet Routing Table:                3302
      Transit-only ASes present in the Internet Routing Table:             74
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      22
          Max AS path prepend of ASN (35389)                               16
      Prefixes from unregistered ASNs in the Routing Table:                 9
          Unregistered ASNs in the Routing Table:                          11
      Prefixes from 32-bit ASNs in the Routing Table:                       4
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             11
      Number of addresses announced to Internet:                   1739111776
          Equivalent to 103 /8s, 168 /16s and 189 /24s
          Percentage of available address space announced:               46.9
          Percentage of allocated address space announced:               62.2
          Percentage of available address space allocated:               75.5
      Total number of prefixes smaller than registry allocations:      119103
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    53054
          Total APNIC prefixes after maximum aggregation:               20706
          APNIC Deaggregation factor:                                    2.56
      Prefixes being announced from the APNIC address blocks:           49994
          Unique aggregates announced from the APNIC address blocks:    21984
      APNIC Region origin ASes present in the Internet Routing Table:    3017
          APNIC Prefixes per ASN:                                       16.57
      APNIC Region origin ASes announcing only one prefix:                804
      APNIC Region transit ASes present in the Internet Routing Table:    459
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              304990112
          Equivalent to 18 /8s, 45 /16s and 199 /24s
          Percentage of available APNIC address space announced:         75.5
      
      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:                    107407
          Total ARIN prefixes after maximum aggregation:                62361
          ARIN Deaggregation factor:                                     1.72
      Prefixes being announced from the ARIN address blocks:            79061
          Unique aggregates announced from the ARIN address blocks:     31348
      ARIN Region origin ASes present in the Internet Routing Table:    11687
          ARIN Prefixes per ASN:                                         6.76
      ARIN Region origin ASes announcing only one prefix:                4510
      ARIN Region transit ASes present in the Internet Routing Table:    1070
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               339579648
          Equivalent to 20 /8s, 61 /16s and 147 /24s
          Percentage of available ARIN address space announced:          75.0
      
      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:                     47527
          Total RIPE prefixes after maximum aggregation:                30532
          RIPE Deaggregation factor:                                     1.56
      Prefixes being announced from the RIPE address blocks:            43887
          Unique aggregates announced from the RIPE address blocks:     28978
      RIPE Region origin ASes present in the Internet Routing Table:     9934
          RIPE Prefixes per ASN:                                         4.42
      RIPE Region origin ASes announcing only one prefix:                5287
      RIPE Region transit ASes present in the Internet Routing Table:    1567
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               322707072
          Equivalent to 19 /8s, 60 /16s and 30 /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:                   15587
          Total LACNIC prefixes after maximum aggregation:               4302
          LACNIC Deaggregation factor:                                   3.62
      Prefixes being announced from the LACNIC address blocks:          13621
          Unique aggregates announced from the LACNIC address blocks:    7720
      LACNIC Region origin ASes present in the Internet Routing Table:    830
          LACNIC Prefixes per ASN:                                      16.41
      LACNIC Region origin ASes announcing only one prefix:               269
      LACNIC Region transit ASes present in the Internet Routing Table:   137
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              40740352
          Equivalent to 2 /8s, 109 /16s and 166 /24s
          Percentage of available LACNIC address space announced:        60.7
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  189/8, 190/8, 200/7
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   2587
          Total AfriNIC prefixes after maximum aggregation:              1030
          AfriNIC Deaggregation factor:                                  2.51
      Prefixes being announced from the AfriNIC address blocks:          2111
          Unique aggregates announced from the AfriNIC address blocks:   1274
      AfriNIC Region origin ASes present in the Internet Routing Table:   199
          AfriNIC Prefixes per ASN:                                     10.61
      AfriNIC Region origin ASes announcing only one prefix:               62
      AfriNIC Region transit ASes present in the Internet Routing Table:   34
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:              6345472
          Equivalent to 0 /8s, 96 /16s and 211 /24s
          Percentage of available AfriNIC address space announced:       18.9
      
      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     1362      10842         286   CHINANET-BACKBONE
       4755     1278        382          71   Videsh Sanchar Nigam Ltd. Aut
       9583     1117         80         401   Sify Limited
       9498      977        533          70   BHARTI BT INTERNET LTD.
      23577      796         34         691   Korea Telecom (ATM-MPLS)
       4766      786       4929         314   Korea Telecom (KIX)
      17488      727         47          56   Hathway IP Over Cable Interne
       7545      692        150         112   TPG Internet Pty Ltd
      18101      573        117          41   Reliance Infocom Ltd Internet
       1221      546       1951         424   Telstra Pty Ltd
       4812      527        913          95   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      412        218         270   SingTel Optus Pty Ltd
       4802      411        105         151   Wantree Development
      17974      373        130          13   PT TELEKOMUNIKASI INDONESIA
       9829      362        258          14   BSNL National Internet Backbo
       4808      360        669         120   CNCGROUP IP network: China169
      17557      352         57         174   Pakistan Telecom
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7018     1462       6074         988   AT&T WorldNet Services
       4323     1321       1021         374   Time Warner Telecom
       2386     1209        633         754   AT&T Data Communications Serv
       6478     1113        316         162   AT&T Worldnet Services 
      11492     1102        107          24   Cable One 
       6197     1024        717         507   BellSouth Network Solutions, 
      18566     1015        288           9   Covad Communications 
        174      964       6778         854   Cogent Communications
        701      947       6563         723   UUNET Technologies, Inc. 
       7011      893        256         542   Citizens Utilities 
       1239      812       2741         583   Sprint 
      20115      801        735         429   Charter Communications 
      19262      762       2759         187   Verizon Global Networks 
        209      761       3879         596   Qwest 
      22773      745       1893          50   Cox Communications, Inc.
       5668      617        169          21   CenturyTel Internet Holdings,
       7029      585        488          79   Alltel Information Services, 
        855      574        254          73   Canadian Research Network 
        852      572       1093         363   Telus Advanced Communications
       6517      568        159          37   Yipes Communications, Inc. 
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       2119      513       1075         136   Telenor Internet Access
        702      503       1921         404   UUNET - Commercial IP service
      24863      357         56          41   LINKdotNET AS number
       9116      317        168          25   Goldenlines main autonomous s
       3301      312       1456         292   TeliaNet Sweden
       3320      309       6034         256   Deutsche Telekom AG
       6746      282        129         258   Dynamic Network Technologies,
       5089      268       1658          53   NTL Group Limited
        680      265       2045         256   DFN-IP service G-WiN
       8220      257        445         241   COLT Telecommunications
       3215      255       2376          96   France Telecom Transpac
       8708      250        420         239   Romania Data Systems S.A.
       8551      223        213          28   Bezeq International
       3269      222       2775          74   TELECOM ITALIA
       3352      220       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      862       1926         207   UniNet S.A. de C.V. 
      11830      483        299           9   Instituto Costarricense de El
      11172      375        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. 
       6471      307         74          33   ENTEL CHILE S.A. 
       7303      305        148          34   Telecom Argentina Stet-France
      14117      279         19          15   Telefonica del Sur S.A. 
      11556      231        128           4   Cable-Wireless Panama 
       6147      225        174          26   Telefonica Del Peru 
      10620      214         60          18   TVCABLE BOGOTA 
       6503      208        172          85   AVANTEL, S.A. 
      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      158        506          23   Telecomunicacoes da Bahia S.A
      20299      157         23          13   NEWCOM AMERICAS 
      21826      157         27          60   INTERCABLE 
      19169      156         10          22   Telconet 
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3741      281        867         222   The Internet Solution 
       8452      226        188           7   TEDATA
       6713      142        135          11   Itissalat Al-MAGHRIB
       2018      138        301         115   Tertiary Education Network 
       5536      124          8          10   Internet Egypt Network
      33783      121          8          11   EEPAD TISP TELECOM & INTERNET
      24835       86         48           6   RAYA Telecom - Egypt
       2905       76        174          73   The Internetworking Company o
      15475       75         84           4   Nile Online
       2561       62          6           2   Egyptian Universities Network
      15706       56         12           4   Sudatel Internet Exchange Aut
      23889       52         24          15   MAURITIUS TELECOM
       5713       46        294          36   Telkom SA Ltd 
      33774       45         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       29          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      1278        1207      Videsh Sanchar Nigam Ltd. Aut
      11492      1102        1078      Cable One 
       4134      1362        1076      CHINANET-BACKBONE
      18566      1015        1006      Covad Communications 
       6478      1113         951      AT&T Worldnet Services 
       4323      1321         947      Time Warner Telecom
       9498       977         907      BHARTI BT INTERNET LTD.
       9583      1117         716      Sify Limited
      22773       745         695      Cox Communications, Inc.
      17488       727         671      Hathway IP Over Cable Interne
       8151       862         655      UniNet S.A. de C.V. 
       5668       617         596      CenturyTel Internet Holdings,
       7545       692         580      TPG Internet Pty Ltd
      19262       762         575      Verizon Global Networks 
      18101       573         532      Reliance Infocom Ltd Internet
       6517       568         531      Yipes Communications, Inc. 
      15270       557         520      PaeTec.net -a division of Pae
       6197      1024         517      BellSouth Network Solutions, 
      19916       568         517      OLM LLC 
       7029       585         506      Alltel Information Services, 
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65000   PRIVATE       41.204.180.0/24      36866       Jamii Telecommunicat
      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
      39094   UNALLOCATED   195.66.64.0/24       12578       LATTELEKOM-APOLLO
      24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET-BACKBONE
      64516   PRIVATE       209.43.37.0/24        7332       IQuest Internet 
      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     /16:9560    /17:4017    /18:6508    
      /19:13759   /20:16034   /21:14502   /22:18893   /23:19823   /24:118894  
      /25:777     /26:1004    /27:486     /28:70      /29:5       /30:0       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6478     1112          1113      AT&T Worldnet Services 
      11492     1093          1102      Cable One 
      18566      997          1015      Covad Communications 
       9583      959          1117      Sify Limited
       2386      901          1209      AT&T Data Communications Serv
       7018      796          1462      AT&T WorldNet Services
       7011      791           893      Citizens Utilities 
      23577      787           796      Korea Telecom (ATM-MPLS)
       6197      778          1024      BellSouth Network Solutions, 
       4755      675          1278      Videsh Sanchar Nigam Ltd. Aut
       9498      651           977      BHARTI BT INTERNET LTD.
       4766      590           786      Korea Telecom (KIX)
      19916      563           568      OLM LLC 
       4323      554          1321      Time Warner Telecom
      17488      550           727      Hathway IP Over Cable Interne
       6517      533           568      Yipes Communications, Inc. 
      15270      522           557      PaeTec.net -a division of Pae
       4668      502           512      LG-EDS Systems Inc.
      18101      485           573      Reliance Infocom Ltd Internet
       5668      483           617      CenturyTel Internet Holdings,
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         7:1         8:83        9:1        12:1802     15:19     
        16:3        17:3        18:11       20:37       24:937      25:1      
        32:50       33:3        38:335      40:60       41:214      44:2      
        47:4        52:4        55:3        56:3        57:25       58:474    
        59:381      60:335      61:991      62:882      63:1985     64:3142   
        65:2365     66:3300     67:744      68:626      69:1913     70:435    
        71:101      72:1353     73:2        74:575      75:253      76:80     
        77:285      78:19       80:824      81:816      82:666      83:375    
        84:540      85:860      86:342      87:457      88:288      89:927    
        90:8        91:416      97:6        98:3       116:247     117:62     
       121:240     122:580     123:129     124:880     125:949     128:286    
       129:223     130:140     131:360     132:54      133:9       134:195    
       135:38      136:178     137:81      138:156     139:72      140:494    
       141:173     142:373     143:235     144:296     145:45      146:324    
       147:119     148:401     149:142     150:113     151:161     152:90     
       153:126     154:2       155:256     156:156     157:213     158:158    
       159:164     160:103     161:93      162:213     163:180     164:461    
       165:400     166:287     167:290     168:507     169:120     170:412    
       171:23      172:1       189:63      190:749     192:5738    193:3927   
       194:3163    195:2240    196:959     198:3789    199:3270    200:4931   
       201:1107    202:7398    203:7550    204:3963    205:2015    206:2414   
       207:2823    208:2718    209:3486    210:2430    211:969     212:1299   
       213:1479    214:414     215:41      216:3992    217:1160    218:360    
       219:384     220:1002    221:408     222:265    
      
      End of report