[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, 23 Jan 2010 04:50:19 +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 23 Jan, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              309323
          Prefixes after maximum aggregation:                          143748
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     152029
      Total ASes present in the Internet Routing Table:                 33159
          Prefixes per ASN:                                              9.33
      Origin-only ASes present in the Internet Routing Table:           28791
      Origin ASes announcing only one prefix:                           14048
      Transit ASes present in the Internet Routing Table:                4368
      Transit-only ASes present in the Internet Routing Table:            106
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      23
          Max AS path prepend of ASN ( 9503)                               21
      Prefixes from unregistered ASNs in the Routing Table:               764
          Unregistered ASNs in the Routing Table:                         132
      Number of 32-bit ASNs allocated by the RIRs:                        406
      Prefixes from 32-bit ASNs in the Routing Table:                     351
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            186
      Number of addresses announced to Internet:                   2178191808
          Equivalent to 129 /8s, 212 /16s and 145 /24s
          Percentage of available address space announced:               58.8
          Percentage of allocated address space announced:               65.9
          Percentage of available address space allocated:               89.1
          Percentage of address space in use by end-sites:               80.8
      Total number of prefixes smaller than registry allocations:      149077
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    74725
          Total APNIC prefixes after maximum aggregation:               25834
          APNIC Deaggregation factor:                                    2.89
      Prefixes being announced from the APNIC address blocks:           71407
          Unique aggregates announced from the APNIC address blocks:    31479
      APNIC Region origin ASes present in the Internet Routing Table:    3922
          APNIC Prefixes per ASN:                                       18.21
      APNIC Region origin ASes announcing only one prefix:               1070
      APNIC Region transit ASes present in the Internet Routing Table:    619
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         23
      Number of APNIC addresses announced to Internet:              489484832
          Equivalent to 29 /8s, 44 /16s and 242 /24s
          Percentage of available APNIC address space announced:         76.8
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  27/8,  43/8,  58/8,  59/8,  60/8,  61/8,
                             110/8, 111/8, 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, 133/8, 175/8, 180/8, 182/8,
                             183/8, 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:                    129460
          Total ARIN prefixes after maximum aggregation:                67652
          ARIN Deaggregation factor:                                     1.91
      Prefixes being announced from the ARIN address blocks:           103566
          Unique aggregates announced from the ARIN address blocks:     39277
      ARIN Region origin ASes present in the Internet Routing Table:    13475
          ARIN Prefixes per ASN:                                         7.69
      ARIN Region origin ASes announcing only one prefix:                5213
      ARIN Region transit ASes present in the Internet Routing Table:    1336
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               735487520
          Equivalent to 43 /8s, 214 /16s and 166 /24s
          Percentage of available ARIN address space announced:          64.5
      
      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
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  52/8,  54/8,  55/8,
                              56/8,  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, 108/8, 173/8,
                             174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
                             208/8, 209/8, 214/8, 215/8, 216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     71135
          Total RIPE prefixes after maximum aggregation:                41584
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            64228
          Unique aggregates announced from the RIPE address blocks:     42817
      RIPE Region origin ASes present in the Internet Routing Table:    14007
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                7277
      RIPE Region transit ASes present in the Internet Routing Table:    2094
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               414369024
          Equivalent to 24 /8s, 178 /16s and 197 /24s
          Percentage of available RIPE address space announced:          77.2
      
      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, 47104-52223, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  46/8,  51/8,  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, 109/8, 178/8, 193/8, 194/8,
                             195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   27183
          Total LACNIC prefixes after maximum aggregation:               6541
          LACNIC Deaggregation factor:                                   4.16
      Prefixes being announced from the LACNIC address blocks:          25544
          Unique aggregates announced from the LACNIC address blocks:   13806
      LACNIC Region origin ASes present in the Internet Routing Table:   1232
          LACNIC Prefixes per ASN:                                      20.73
      LACNIC Region origin ASes announcing only one prefix:               396
      LACNIC Region transit ASes present in the Internet Routing Table:   202
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              70307584
          Equivalent to 4 /8s, 48 /16s and 207 /24s
          Percentage of available LACNIC address space announced:        69.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 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:                   6246
          Total AfriNIC prefixes after maximum aggregation:              1788
          AfriNIC Deaggregation factor:                                  3.49
      Prefixes being announced from the AfriNIC address blocks:          4629
          Unique aggregates announced from the AfriNIC address blocks:   1565
      AfriNIC Region origin ASes present in the Internet Routing Table:   337
          AfriNIC Prefixes per ASN:                                     13.74
      AfriNIC Region origin ASes announcing only one prefix:               92
      AfriNIC Region transit ASes present in the Internet Routing Table:   75
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             14803712
          Equivalent to 0 /8s, 225 /16s and 227 /24s
          Percentage of available AfriNIC address space announced:       44.1
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1857       7510         470   Korea Telecom (KIX)
       4755     1310        303         137   TATA Communications formerly 
      17488     1273        131         140   Hathway IP Over Cable Interne
      18101     1079        220          37   Reliance Infocom Ltd Internet
       4134     1020      19605         398   CHINANET-BACKBONE
       9583      986         72         491   Sify Limited
       7545      931        198          98   TPG Internet Pty Ltd
      17974      880        272          54   PT TELEKOMUNIKASI INDONESIA
       9829      839        683          24   BSNL National Internet Backbo
      24560      837        299         172   Bharti Airtel Ltd., Telemedia
      
      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     4149       3875         316   bellsouth.net, inc. 
       4323     3783       1088         395   Time Warner Telecom
       1785     1817        699         132   PaeTec Communications, Inc.
       7018     1593       5778        1029   AT&T WorldNet Services
      20115     1542       1490         671   Charter Communications 
       2386     1292        616         917   AT&T Data Communications Serv
       3356     1203      10929         425   Level 3 Communications, LLC 
      11492     1128        222          14   Cable One 
      22773     1125       2600          66   Cox Communications, Inc.
       6478     1103        241         262   AT&T Worldnet Services 
      
      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
      35805      475         40           5   United Telecom of Georgia
       3292      451       1904         395   TDC Tele Danmark
      30890      439         99         205   Evolva Telecom
        702      422       1821         336   UUNET - Commercial IP service
       8551      397        353          37   Bezeq International
       8866      374        110          24   Bulgarian Telecommunication C
       3320      361       7068         308   Deutsche Telekom AG
       3215      351       3176         108   France Telecom Transpac
       3301      349       1412         310   TeliaNet Sweden
      12479      320        576           5   Uni2 Autonomous System
      
      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     1573       2886         240   UniNet S.A. de C.V. 
      10620     1007        225         131   TVCABLE BOGOTA 
      28573      840        674          85   NET Servicos de Comunicao S.A
       7303      671        356         100   Telecom Argentina Stet-France
      22047      548        302          14   VTR PUNTO NET S.A. 
      11830      472        308          59   Instituto Costarricense de El
       6503      446        163         185   AVANTEL, S.A. 
      11172      444         99          69   Servicios Alestra S.A de C.V 
      14117      438         29          12   Telefonica del Sur S.A. 
       3816      432        194          70   Empresa Nacional de Telecomun
      
      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
       8452     1017        445           9   TEDATA
      24863      723        143          53   LINKdotNET AS number
      36992      282         75         172   Etisalat MISR
       3741      274        857         234   The Internet Solution 
       2018      190        197         111   Tertiary Education Network 
       6713      177        167          12   Itissalat Al-MAGHRIB
      29571      167         19           9   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
      33776      123          7          11   Starcomms Nigeria Limited
       5536      117          7          17   Internet Egypt Network
      
      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     4149       3875         316   bellsouth.net, inc. 
       4323     3783       1088         395   Time Warner Telecom
       4766     1857       7510         470   Korea Telecom (KIX)
       1785     1817        699         132   PaeTec Communications, Inc.
       7018     1593       5778        1029   AT&T WorldNet Services
       8151     1573       2886         240   UniNet S.A. de C.V. 
      20115     1542       1490         671   Charter Communications 
       4755     1310        303         137   TATA Communications formerly 
       2386     1292        616         917   AT&T Data Communications Serv
      17488     1273        131         140   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
       4323      3783        3388      Time Warner Telecom
       1785      1817        1685      PaeTec Communications, Inc.
       4766      1857        1387      Korea Telecom (KIX)
       8151      1573        1333      UniNet S.A. de C.V. 
       4755      1310        1173      TATA Communications formerly 
      17488      1273        1133      Hathway IP Over Cable Interne
      11492      1128        1114      Cable One 
      22773      1125        1059      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
      18101      1079        1042      Reliance Infocom Ltd Internet
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         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
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      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        /8:21       /9:10      /10:25      /11:66      /12:183     
      /13:385     /14:660     /15:1243    /16:10875   /17:5102    /18:8646    
      /19:17799   /20:21717   /21:21723   /22:28019   /23:28196   /24:161741  
      /25:928     /26:1160    /27:585     /28:215     /29:9       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2707          4149      bellsouth.net, inc. 
       4323     2359          3783      Time Warner Telecom
       4766     1475          1857      Korea Telecom (KIX)
       1785     1285          1817      PaeTec Communications, Inc.
      17488     1049          1273      Hathway IP Over Cable Interne
      11492     1048          1128      Cable One 
      18566     1040          1059      Covad Communications 
       7018      960          1593      AT&T WorldNet Services
      18101      958          1079      Reliance Infocom Ltd Internet
       8452      913          1017      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:13        8:234      12:2012     13:10       15:22     
        16:3        17:8        20:37       24:1301     32:49       38:642    
        40:99       41:1910     44:3        46:1        47:26       52:6      
        55:2        56:2        57:23       58:632      59:637      60:390    
        61:1100     62:977      63:2027     64:3796     65:2360     66:4102   
        67:1813     68:1052     69:2842     70:690      71:227      72:1874   
        73:2        74:2073     75:232      76:354      77:827      78:580    
        79:408      80:968      81:787      82:450      83:438      84:561    
        85:1003     86:383      87:706      88:418      89:1537     90:67     
        91:2686     92:413      93:1153     94:1287     95:794      96:208    
        97:294      98:493      99:23      100:1       109:235     110:265    
       111:418     112:184     113:225     114:309     115:513     116:1042   
       117:609     118:373     119:809     120:142     121:839     122:1376   
       123:834     124:1076    125:1298    128:198     129:203     130:138    
       131:461     132:82      133:16      134:195     135:41      136:222    
       137:172     138:235     139:80      140:464     141:123     142:375    
       143:348     144:391     145:51      146:417     147:179     148:566    
       149:195     150:146     151:171     152:248     153:165     154:2      
       155:271     156:178     157:330     158:97      159:355     160:304    
       161:176     162:272     163:187     164:311     165:470     166:493    
       167:388     168:759     169:157     170:568     171:48      172:2      
       173:444     174:530     175:26      180:284     183:212     184:3      
       186:261     187:211     188:1263    189:613     190:3444    192:5727   
       193:4410    194:3354    195:2778    196:1187    198:3559    199:3385   
       200:5295    201:1467    202:8087    203:8315    204:3996    205:2167   
       206:2420    207:3062    208:3898    209:3407    210:2531    211:1177   
       212:1648    213:1643    214:256     215:61      216:4441    217:1471   
       218:495     219:444     220:1129    221:465     222:309    
      
      End of report