[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, 16 Aug 2008 04:08:24 +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 16 Aug, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              266031
          Prefixes after maximum aggregation:                          129676
          Deaggregation factor:                                          2.05
          Unique aggregates announced to Internet:                     129417
      Total ASes present in the Internet Routing Table:                 28943
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25197
      Origin ASes announcing only one prefix:                           12205
      Transit ASes present in the Internet Routing Table:                3746
      Transit-only ASes present in the Internet Routing Table:             79
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      25
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               581
          Unregistered ASNs in the Routing Table:                         214
      Number of 32-bit ASNs allocated by the RIRs:                         57
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            814
      Number of addresses announced to Internet:                   1891631072
          Equivalent to 112 /8s, 191 /16s and 255 /24s
          Percentage of available address space announced:               51.0
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.2
      Total number of prefixes smaller than registry allocations:      130342
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    61134
          Total APNIC prefixes after maximum aggregation:               22712
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           58105
          Unique aggregates announced from the APNIC address blocks:    26152
      APNIC Region origin ASes present in the Internet Routing Table:    3328
          APNIC Prefixes per ASN:                                       17.46
      APNIC Region origin ASes announcing only one prefix:                878
      APNIC Region transit ASes present in the Internet Routing Table:    514
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         22
      Number of APNIC addresses announced to Internet:              371611424
          Equivalent to 22 /8s, 38 /16s and 87 /24s
          Percentage of available APNIC address space announced:         79.1
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 112/8, 113/8, 114/8,
                             115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
                             122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
                             210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    121924
          Total ARIN prefixes after maximum aggregation:                65148
          ARIN Deaggregation factor:                                     1.87
      Prefixes being announced from the ARIN address blocks:            91111
          Unique aggregates announced from the ARIN address blocks:     34743
      ARIN Region origin ASes present in the Internet Routing Table:    12358
          ARIN Prefixes per ASN:                                         7.37
      ARIN Region origin ASes announcing only one prefix:                4754
      ARIN Region transit ASes present in the Internet Routing Table:    1184
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               360325024
          Equivalent to 21 /8s, 122 /16s and 31 /24s
          Percentage of available ARIN address space announced:          74.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     57391
          Total RIPE prefixes after maximum aggregation:                34803
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            52507
          Unique aggregates announced from the RIPE address blocks:     35275
      RIPE Region origin ASes present in the Internet Routing Table:    11737
          RIPE Prefixes per ASN:                                         4.47
      RIPE Region origin ASes announcing only one prefix:                6169
      RIPE Region transit ASes present in the Internet Routing Table:    1778
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               369143104
          Equivalent to 22 /8s, 0 /16s and 173 /24s
          Percentage of available RIPE address space announced:          84.6
      
      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, 47104-48127
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   21007
          Total LACNIC prefixes after maximum aggregation:               5308
          LACNIC Deaggregation factor:                                   3.96
      Prefixes being announced from the LACNIC address blocks:          19258
          Unique aggregates announced from the LACNIC address blocks:   10747
      LACNIC Region origin ASes present in the Internet Routing Table:    981
          LACNIC Prefixes per ASN:                                      19.63
      LACNIC Region origin ASes announcing only one prefix:               324
      LACNIC Region transit ASes present in the Internet Routing Table:   169
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              54404608
          Equivalent to 3 /8s, 62 /16s and 38 /24s
          Percentage of available LACNIC address space announced:        54.0
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   3993
          Total AfriNIC prefixes after maximum aggregation:              1225
          AfriNIC Deaggregation factor:                                  3.26
      Prefixes being announced from the AfriNIC address blocks:          4347
          Unique aggregates announced from the AfriNIC address blocks:   1868
      AfriNIC Region origin ASes present in the Internet Routing Table:   248
          AfriNIC Prefixes per ASN:                                     17.53
      AfriNIC Region origin ASes announcing only one prefix:               80
      AfriNIC Region transit ASes present in the Internet Routing Table:   52
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12726016
          Equivalent to 0 /8s, 194 /16s and 47 /24s
          Percentage of available AfriNIC address space announced:       37.9
      
      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
       4755     1693        537         180   Videsh Sanchar Nigam Ltd. Aut
      17488     1300         89          99   Hathway IP Over Cable Interne
       9583     1176         92         493   Sify Limited
       4766      858       6390         351   Korea Telecom (KIX)
       4134      836      13523         339   CHINANET-BACKBONE
      23577      823         35         698   Korea Telecom (ATM-MPLS)
       4780      714        353          61   Digital United Inc.
      18101      692        167          33   Reliance Infocom Ltd Internet
       9498      674        291          54   BHARTI BT INTERNET LTD.
       4808      616       1109         135   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3198       3358         208   bellsouth.net, inc. 
        209     2881       3857         619   Qwest 
       6298     2004        323         735   Cox Communicatons 
       2386     1562        692         899   AT&T Data Communications Serv
       4323     1491       1078         379   Time Warner Telecom
       1785     1454        478         100   AppliedTheory Corporation 
       7018     1412       5830         988   AT&T WorldNet Services
      11492     1214        151          22   Cable One 
      20115     1113       1080         573   Charter Communications 
      18566     1045        296          10   Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      414       1776         372   TDC Tele Danmark
       3215      371       2756         106   France Telecom Transpac
       8452      357        188          11   TEDATA
       3301      332       1444         303   TeliaNet Sweden
       3320      323       7047         271   Deutsche Telekom AG
       8866      317         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      289        270          39   Bezeq International
        680      274       2047         264   DFN-IP service G-WiN
       6746      269        126         243   Dynamic Network Technologies,
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1517       2592         222   UniNet S.A. de C.V. 
      11830      664        299           9   Instituto Costarricense de El
      22047      565        270          14   VTR PUNTO NET S.A. 
       7303      479        236          65   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      417         85          48   ENTEL CHILE S.A. 
      11172      410        118          72   Servicios Alestra S.A de C.V 
      10620      371         99          90   TVCABLE BOGOTA 
      14117      348         23           9   Telefonica del Sur S.A. 
      28573      318        432          33   NET Servicos de Comunicao S.A
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      496         64          28   LINKdotNET AS number
      20858      402         34           3   EgyNet
       3741      267        855         224   The Internet Solution 
       2018      211        213         130   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      136         10          13   EEPAD TISP TELECOM & INTERNET
       5713      129        540          74   Telkom SA Ltd 
       5536      120          8          17   Internet Egypt Network
      33776      119          6           3   Starcomms Nigeria Limited
      29571      107         13           8   Ci Telecom Autonomous system 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3198       3358         208   bellsouth.net, inc. 
        209     2881       3857         619   Qwest 
       6298     2004        323         735   Cox Communicatons 
       4755     1693        537         180   Videsh Sanchar Nigam Ltd. Aut
       2386     1562        692         899   AT&T Data Communications Serv
       8151     1517       2592         222   UniNet S.A. de C.V. 
       4323     1491       1078         379   Time Warner Telecom
       1785     1454        478         100   AppliedTheory Corporation 
       7018     1412       5830         988   AT&T WorldNet Services
      17488     1300         89          99   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2881        2262      Qwest 
       4755      1693        1513      Videsh Sanchar Nigam Ltd. Aut
       1785      1454        1354      AppliedTheory Corporation 
       8151      1517        1295      UniNet S.A. de C.V. 
       6298      2004        1269      Cox Communicatons 
      17488      1300        1201      Hathway IP Over Cable Interne
      11492      1214        1192      Cable One 
       4323      1491        1112      Time Warner Telecom
      18566      1045        1035      Covad Communications 
      22773       959         897      Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      65530   PRIVATE       8.7.233.0/24         20473       Net Transactions LLC
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      27220   UNALLOCATED   12.35.204.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.53.86.0/24         7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.55.0.0/18         20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      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       /10:17      /11:45      /12:146     
      /13:293     /14:527     /15:1055    /16:10032   /17:4359    /18:7547    
      /19:16006   /20:18673   /21:18275   /22:22986   /23:24093   /24:139274  
      /25:834     /26:1018    /27:722     /28:85      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2035          3198      bellsouth.net, inc. 
       6298     1977          2004      Cox Communicatons 
        209     1645          2881      Qwest 
       2386     1240          1562      AT&T Data Communications Serv
      11492     1195          1214      Cable One 
      17488     1107          1300      Hathway IP Over Cable Interne
       1785     1069          1454      AppliedTheory Corporation 
       4755     1042          1693      Videsh Sanchar Nigam Ltd. Aut
       9583     1032          1176      Sify Limited
      18566     1026          1045      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:133      12:2100     13:2        14:1        15:22     
        16:3        17:5        18:13       20:35       24:1083     32:59     
        38:482      40:92       41:703      43:1        44:2        47:12     
        52:3        55:3        56:3        57:27       58:526      59:505    
        60:453      61:983      62:1198     63:2032     64:3211     65:2365   
        66:3426     67:1226     68:767      69:2280     70:863      71:131    
        72:2039     73:6        74:1101     75:165      76:307      77:757    
        78:817      79:225      80:979      81:844      82:605      83:379    
        84:573      85:982      86:399      87:707      88:338      89:1309   
        90:33       91:1417     92:243      93:766      94:109      96:54     
        97:50       98:307      99:3       114:90      115:40      116:941    
       117:331     118:195     119:459     120:73      121:587     122:816    
       123:375     124:893     125:1178    128:355     129:201     130:135    
       131:410     132:70      133:9       134:188     135:33      136:223    
       137:94      138:145     139:94      140:503     141:103     142:407    
       143:340     144:398     145:51      146:372     147:156     148:517    
       149:197     150:129     151:183     152:144     153:136     154:10     
       155:278     156:173     157:288     158:166     159:294     160:273    
       161:118     162:262     163:155     164:518     165:456     166:362    
       167:333     168:626     169:139     170:426     171:33      172:10     
       173:12      188:1       189:473     190:2121    192:5794    193:4126   
       194:3239    195:2554    196:1016    198:3728    199:3312    200:5579   
       201:1521    202:7683    203:8093    204:3953    205:2146    206:2369   
       207:2759    208:3489    209:3419    210:2607    211:1075    212:1425   
       213:1610    214:179     215:50      216:4375    217:1203    218:346    
       219:429     220:1060    221:455     222:310    
      
      End of report