[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 8 May 2010 04:10:07 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 08 May, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              320551
          Prefixes after maximum aggregation:                          147789
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     155617
      Total ASes present in the Internet Routing Table:                 33946
          Prefixes per ASN:                                              9.44
      Origin-only ASes present in the Internet Routing Table:           29466
      Origin ASes announcing only one prefix:                           14348
      Transit ASes present in the Internet Routing Table:                4480
      Transit-only ASes present in the Internet Routing Table:            104
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      28
          Max AS path prepend of ASN (28009)                               24
      Prefixes from unregistered ASNs in the Routing Table:               335
          Unregistered ASNs in the Routing Table:                         119
      Number of 32-bit ASNs allocated by the RIRs:                        560
      Prefixes from 32-bit ASNs in the Routing Table:                     627
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            191
      Number of addresses announced to Internet:                   2206289024
          Equivalent to 131 /8s, 129 /16s and 76 /24s
          Percentage of available address space announced:               59.5
          Percentage of allocated address space announced:               65.5
          Percentage of available address space allocated:               90.9
          Percentage of address space in use by end-sites:               82.7
      Total number of prefixes smaller than registry allocations:      153719
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    76663
          Total APNIC prefixes after maximum aggregation:               26693
          APNIC Deaggregation factor:                                    2.87
      Prefixes being announced from the APNIC address blocks:           73330
          Unique aggregates announced from the APNIC address blocks:    32173
      APNIC Region origin ASes present in the Internet Routing Table:    4023
          APNIC Prefixes per ASN:                                       18.23
      APNIC Region origin ASes announcing only one prefix:               1099
      APNIC Region transit ASes present in the Internet Routing Table:    624
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              512199488
          Equivalent to 30 /8s, 135 /16s and 139 /24s
          Percentage of available APNIC address space announced:         76.3
      
      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,  14/8,  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, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    133881
          Total ARIN prefixes after maximum aggregation:                68854
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           106747
          Unique aggregates announced from the ARIN address blocks:     40648
      ARIN Region origin ASes present in the Internet Routing Table:    13674
          ARIN Prefixes per ASN:                                         7.81
      ARIN Region origin ASes announcing only one prefix:                5269
      ARIN Region transit ASes present in the Internet Routing Table:    1356
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               726628384
          Equivalent to 43 /8s, 79 /16s and 120 /24s
          Percentage of available ARIN address space announced:          61.9
      
      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, 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,  50/8,  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, 107/8,
                             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:                     73657
          Total RIPE prefixes after maximum aggregation:                42784
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            66596
          Unique aggregates announced from the RIPE address blocks:     43811
      RIPE Region origin ASes present in the Internet Routing Table:    14438
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7467
      RIPE Region transit ASes present in the Internet Routing Table:    2160
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               425267232
          Equivalent to 25 /8s, 89 /16s and 16 /24s
          Percentage of available RIPE address space announced:          79.2
      
      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:                   28582
          Total LACNIC prefixes after maximum aggregation:               6782
          LACNIC Deaggregation factor:                                   4.21
      Prefixes being announced from the LACNIC address blocks:          27004
          Unique aggregates announced from the LACNIC address blocks:   13936
      LACNIC Region origin ASes present in the Internet Routing Table:   1274
          LACNIC Prefixes per ASN:                                      21.20
      LACNIC Region origin ASes announcing only one prefix:               407
      LACNIC Region transit ASes present in the Internet Routing Table:   219
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC addresses announced to Internet:              72850944
          Equivalent to 4 /8s, 87 /16s and 158 /24s
          Percentage of available LACNIC address space announced:        72.4
      
      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:                   6925
          Total AfriNIC prefixes after maximum aggregation:              1807
          AfriNIC Deaggregation factor:                                  3.83
      Prefixes being announced from the AfriNIC address blocks:          5246
          Unique aggregates announced from the AfriNIC address blocks:   1647
      AfriNIC Region origin ASes present in the Internet Routing Table:   359
          AfriNIC Prefixes per ASN:                                     14.61
      AfriNIC Region origin ASes announcing only one prefix:              106
      AfriNIC Region transit ASes present in the Internet Routing Table:   80
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC addresses announced to Internet:             16793344
          Equivalent to 1 /8s, 0 /16s and 63 /24s
          Percentage of available AfriNIC address space announced:       50.0
      
      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     1847       8406         480   Korea Telecom (KIX)
      17488     1314        140         123   Hathway IP Over Cable Interne
       4755     1290        291         148   TATA Communications formerly 
       7545     1185        232         104   TPG Internet Pty Ltd
      17974     1034        281          18   PT TELEKOMUNIKASI INDONESIA
       9583      993         73         489   Sify Limited
       4134      950      20455         399   CHINANET-BACKBONE
      24560      891        304         166   Bharti Airtel Ltd., Telemedia
       4808      844       1589         215   CNCGROUP IP network: China169
       9829      794        679          41   BSNL National Internet Backbo
      
      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     3931       3733         288   bellsouth.net, inc. 
       4323     3834       1116         406   Time Warner Telecom
       1785     1784        699         131   PaeTec Communications, Inc.
       7018     1551       5757         984   AT&T WorldNet Services
      20115     1536       1505         655   Charter Communications 
       2386     1305        585         925   AT&T Data Communications Serv
       6478     1219        250         152   AT&T Worldnet Services 
       3356     1207      10920         420   Level 3 Communications, LLC 
      22773     1153       2606          72   Cox Communications, Inc.
      11492     1148        222          14   Cable One 
      
      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      617         56           6   United Telecom of Georgia
       3292      452       2027         393   TDC Tele Danmark
      30890      438        100         205   Evolva Telecom
        702      413       1869         329   UUNET - Commercial IP service
       8551      403        356          37   Bezeq International
       8866      395        117          18   Bulgarian Telecommunication C
       3301      365       1413         321   TeliaNet Sweden
       3320      365       7072         318   Deutsche Telekom AG
       3215      346       3218         102   France Telecom Transpac
      12479      330        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     1550       2965         245   UniNet S.A. de C.V. 
      10620     1031        230         148   TVCABLE BOGOTA 
      28573      889        727          89   NET Servicos de Comunicao S.A
       7303      724        375         101   Telecom Argentina Stet-France
       6503      562        172         211   AVANTEL, S.A. 
      22047      547        310          15   VTR PUNTO NET S.A. 
      18881      544        268          11   Global Village Telecom 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
       3816      460        195          70   Empresa Nacional de Telecomun
      14117      447         30          13   Telefonica del Sur 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
       8452      920        189           9   TEDATA
      24863      712        147          42   LINKdotNET AS number
      36992      626        273         172   Etisalat MISR
       3741      273        852         232   The Internet Solution 
      33776      216         11          14   Starcomms Nigeria Limited
       2018      215        230         111   Tertiary Education Network 
      24835      183         78          10   RAYA Telecom - Egypt
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      172         19           9   Ci Telecom Autonomous system 
      29975      133        506          14   Vodacom
      
      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     3931       3733         288   bellsouth.net, inc. 
       4323     3834       1116         406   Time Warner Telecom
       4766     1847       8406         480   Korea Telecom (KIX)
       1785     1784        699         131   PaeTec Communications, Inc.
       7018     1551       5757         984   AT&T WorldNet Services
       8151     1550       2965         245   UniNet S.A. de C.V. 
      20115     1536       1505         655   Charter Communications 
      17488     1314        140         123   Hathway IP Over Cable Interne
       2386     1305        585         925   AT&T Data Communications Serv
       4755     1290        291         148   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3834        3428      Time Warner Telecom
       1785      1784        1653      PaeTec Communications, Inc.
       4766      1847        1367      Korea Telecom (KIX)
       8151      1550        1305      UniNet S.A. de C.V. 
      17488      1314        1191      Hathway IP Over Cable Interne
       4755      1290        1142      TATA Communications formerly 
      11492      1148        1134      Cable One 
       7545      1185        1081      TPG Internet Pty Ltd
      22773      1153        1081      Cox Communications, Inc.
       6478      1219        1067      AT&T Worldnet Services 
      
      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        1239       Sprint 
      26973   UNALLOCATED  12.39.154.0/23        1239       Sprint 
      26973   UNALLOCATED  12.39.155.0/24        1239       Sprint 
      26973   UNALLOCATED  12.39.159.0/24        1239       Sprint 
      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
      41.202.96.0/19       29571     Ci Telecom Autonomous system 
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      41.223.196.0/24      36990     Alkan Telecom Ltd
      41.223.197.0/24      36990     Alkan Telecom Ltd
      41.223.198.0/24      36990     Alkan Telecom Ltd
      41.223.199.0/24      36990     Alkan Telecom Ltd
      46.0.0.0/16          12654     RIPE NCC RIS Project
      
      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        /8:19       /9:10      /10:25      /11:67      /12:191     
      /13:398     /14:688     /15:1265    /16:11053   /17:5274    /18:8964    
      /19:18279   /20:22518   /21:22662   /22:29424   /23:29006   /24:167759  
      /25:955     /26:1199    /27:630     /28:141     /29:9       /30:7       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2516          3931      bellsouth.net, inc. 
       4323     2333          3834      Time Warner Telecom
       4766     1481          1847      Korea Telecom (KIX)
       1785     1245          1784      PaeTec Communications, Inc.
      17488     1063          1314      Hathway IP Over Cable Interne
      11492     1056          1148      Cable One 
      18566     1040          1059      Covad Communications 
      10620      947          1031      TVCABLE BOGOTA 
       7018      930          1551      AT&T WorldNet Services
       9583      845           993      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:263      12:2006     13:10       15:23       16:3      
        17:8        20:21       24:1417     27:56       32:47       33:12     
        38:665      40:97       41:2159     44:3        46:1        47:25     
        52:6        55:6        56:2        57:24       58:722      59:517    
        60:431      61:1085     62:1043     63:1979     64:3839     65:2368   
        66:4179     67:1824     68:1089     69:2817     70:710      71:240    
        72:1832     73:2        74:2274     75:249      76:308      77:856    
        78:628      79:391      80:993      81:788      82:472      83:445    
        84:702      85:1046     86:457      87:697      88:325      89:1551   
        90:87       91:2736     92:480      93:1098     94:1400     95:589    
        96:246      97:309      98:566      99:28      109:467     110:330    
       111:501     112:255     113:287     114:395     115:586     116:1023   
       117:636     118:427     119:955     120:148     121:741     122:1434   
       123:884     124:1109    125:1298    128:210     129:208     130:197    
       131:561     132:246     133:17      134:194     135:45      136:225    
       137:171     138:254     139:92      140:485     141:136     142:354    
       143:383     144:473     145:52      146:427     147:167     148:595    
       149:316     150:153     151:169     152:262     153:167     154:2      
       155:329     156:184     157:324     158:107     159:368     160:315    
       161:204     162:270     163:171     164:411     165:532     166:497    
       167:396     168:801     169:161     170:700     171:50      172:1      
       173:721     174:664     175:92      178:74      180:455     182:48     
       183:253     184:39      186:378     187:320     188:1294    189:778    
       190:3639    192:5732    193:4690    194:3357    195:2764    196:1194   
       197:1       198:3574    199:3438    200:5347    201:1515    202:7980   
       203:8276    204:4050    205:2336    206:2535    207:3034    208:3922   
       209:3432    210:2506    211:1239    212:1730    213:1679    214:664    
       215:70      216:4566    217:1545    218:504     219:381     220:1107   
       221:400     222:313    
      
      End of report