[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, 20 Nov 2010 05:10:00 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 20 Nov, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              337920
          Prefixes after maximum aggregation:                          153662
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     165745
      Total ASes present in the Internet Routing Table:                 35314
          Prefixes per ASN:                                              9.57
      Origin-only ASes present in the Internet Routing Table:           30423
      Origin ASes announcing only one prefix:                           14892
      Transit ASes present in the Internet Routing Table:                4891
      Transit-only ASes present in the Internet Routing Table:            118
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (36992)                               29
      Prefixes from unregistered ASNs in the Routing Table:               374
          Unregistered ASNs in the Routing Table:                         168
      Number of 32-bit ASNs allocated by the RIRs:                        901
      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:            198
      Number of addresses announced to Internet:                   2301671776
          Equivalent to 137 /8s, 48 /16s and 185 /24s
          Percentage of available address space announced:               62.1
          Percentage of allocated address space announced:               65.4
          Percentage of available address space allocated:               95.0
          Percentage of address space in use by end-sites:               85.6
      Total number of prefixes smaller than registry allocations:      139129
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    82883
          Total APNIC prefixes after maximum aggregation:               28130
          APNIC Deaggregation factor:                                    2.95
      Prefixes being announced from the APNIC address blocks:           79793
          Unique aggregates announced from the APNIC address blocks:    34792
      APNIC Region origin ASes present in the Internet Routing Table:    4240
          APNIC Prefixes per ASN:                                       18.82
      APNIC Region origin ASes announcing only one prefix:               1191
      APNIC Region transit ASes present in the Internet Routing Table:    683
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              564159264
          Equivalent to 33 /8s, 160 /16s and 99 /24s
          Percentage of available APNIC address space announced:         76.4
      
      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,  36/8,  42/8,  43/8,  49/8,
                              58/8,  59/8,  60/8,  61/8, 101/8, 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:                    137691
          Total ARIN prefixes after maximum aggregation:                71142
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108854
          Unique aggregates announced from the ARIN address blocks:     43801
      ARIN Region origin ASes present in the Internet Routing Table:    14049
          ARIN Prefixes per ASN:                                         7.75
      ARIN Region origin ASes announcing only one prefix:                5384
      ARIN Region transit ASes present in the Internet Routing Table:    1492
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               740892160
          Equivalent to 44 /8s, 41 /16s and 30 /24s
          Percentage of available ARIN address space announced:          63.1
      
      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
                             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:                     77905
          Total RIPE prefixes after maximum aggregation:                45024
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            71405
          Unique aggregates announced from the RIPE address blocks:     46773
      RIPE Region origin ASes present in the Internet Routing Table:    15029
          RIPE Prefixes per ASN:                                         4.75
      RIPE Region origin ASes announcing only one prefix:                7745
      RIPE Region transit ASes present in the Internet Routing Table:    2327
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               444617152
          Equivalent to 26 /8s, 128 /16s and 81 /24s
          Percentage of available RIPE address space announced:          77.9
      
      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,  31/8,  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, 176/8, 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:                   31585
          Total LACNIC prefixes after maximum aggregation:               7363
          LACNIC Deaggregation factor:                                   4.29
      Prefixes being announced from the LACNIC address blocks:          30236
          Unique aggregates announced from the LACNIC address blocks:   15369
      LACNIC Region origin ASes present in the Internet Routing Table:   1392
          LACNIC Prefixes per ASN:                                      21.72
      LACNIC Region origin ASes announcing only one prefix:               437
      LACNIC Region transit ASes present in the Internet Routing Table:   245
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              77683968
          Equivalent to 4 /8s, 161 /16s and 93 /24s
          Percentage of available LACNIC address space announced:        57.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
                             201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   7617
          Total AfriNIC prefixes after maximum aggregation:              1883
          AfriNIC Deaggregation factor:                                  4.05
      Prefixes being announced from the AfriNIC address blocks:          5929
          Unique aggregates announced from the AfriNIC address blocks:   1759
      AfriNIC Region origin ASes present in the Internet Routing Table:   422
          AfriNIC Prefixes per ASN:                                     14.05
      AfriNIC Region origin ASes announcing only one prefix:              135
      AfriNIC Region transit ASes present in the Internet Routing Table:   93
      Average AfriNIC Region AS path length visible:                      5.2
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21482496
          Equivalent to 1 /8s, 71 /16s and 204 /24s
          Percentage of available AfriNIC address space announced:       42.7
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1874       9470         520   Korea Telecom (KIX)
       7545     1437        299          78   TPG Internet Pty Ltd
       4755     1389        383         157   TATA Communications formerly 
      17488     1365        157         115   Hathway IP Over Cable Interne
      17974     1312        427          27   PT TELEKOMUNIKASI INDONESIA
      24560     1057        309         168   Bharti Airtel Ltd., Telemedia
       9583     1028         75         487   Sify Limited
       4808      983       1722         267   CNCGROUP IP network: China169
      18101      906        116         140   Reliance Infocom Ltd Internet
       9829      835        695          30   BSNL National Internet Backbo
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3748       3906         277   bellsouth.net, inc. 
       4323     2653       1104         402   Time Warner Telecom
      19262     1838       4866         283   Verizon Global Networks 
       1785     1802        697         130   PaeTec Communications, Inc.
      20115     1512       1532         640   Charter Communications 
       7018     1406       5659         900   AT&T WorldNet Services
       6478     1402        283         104   AT&T Worldnet Services 
       2386     1310        556         929   AT&T Data Communications Serv
      11492     1258        233          66   Cable One 
      22773     1252       2863          69   Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      446       2026         388   TDC Tele Danmark
       8866      435        133          25   Bulgarian Telecommunication C
       8551      400        353          46   Bezeq International
      34984      397         92         191   BILISIM TELEKOM
        702      396       1865         310   UUNET - Commercial IP service
       3301      382       1696         336   TeliaNet Sweden
       3320      379       7316         332   Deutsche Telekom AG
      12479      378        576           5   Uni2 Autonomous System
      30890      374         79         208   Evolva Telecom
      31148      354         18          85   FreeNet ISP
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6503     2011        277         361   AVANTEL, S.A. 
       8151     1345       2623         366   UniNet S.A. de C.V. 
      10620     1336        249         156   TVCABLE BOGOTA 
      28573     1164        928          84   NET Servicos de Comunicao S.A
       7303      827        440         105   Telecom Argentina Stet-France
      14420      572         48          77   CORPORACION NACIONAL DE TELEC
      22047      563        310          15   VTR PUNTO NET S.A. 
       3816      487        212          95   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      451         32          29   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1068        445          10   TEDATA
      24863      741        147          39   LINKdotNET AS number
      36992      652        278         160   Etisalat MISR
       3741      265        923         227   The Internet Solution 
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      200         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      195         12          14   Starcomms Nigeria Limited
      24835      193         78          10   RAYA Telecom - Egypt
      16637      152        440          89   MTN Network Solutions
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3748       3906         277   bellsouth.net, inc. 
       4323     2653       1104         402   Time Warner Telecom
       6503     2011        277         361   AVANTEL, S.A. 
       4766     1874       9470         520   Korea Telecom (KIX)
      19262     1838       4866         283   Verizon Global Networks 
       1785     1802        697         130   PaeTec Communications, Inc.
      20115     1512       1532         640   Charter Communications 
       7545     1437        299          78   TPG Internet Pty Ltd
       7018     1406       5659         900   AT&T WorldNet Services
       6478     1402        283         104   AT&T Worldnet Services 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2653        2251      Time Warner Telecom
       1785      1802        1672      PaeTec Communications, Inc.
       6503      2011        1650      AVANTEL, S.A. 
      19262      1838        1555      Verizon Global Networks 
       7545      1437        1359      TPG Internet Pty Ltd
       4766      1874        1354      Korea Telecom (KIX)
       6478      1402        1298      AT&T Worldnet Services 
      17974      1312        1285      PT TELEKOMUNIKASI INDONESIA
      17488      1365        1250      Hathway IP Over Cable Interne
       4755      1389        1232      TATA Communications formerly 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      13329   UNALLOCATED  8.19.99.0/24          3356       Level 3 Communicatio
      33257   UNALLOCATED  8.20.94.0/24          3356       Level 3 Communicatio
      12235   UNALLOCATED  8.28.128.0/20        40498       New Mexico Lambda Ra
      23347   UNALLOCATED  8.225.222.0/24        3356       Level 3 Communicatio
      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        4323       Time Warner Telecom
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      45.127.0.0/16        13767     NetworkTwo Communications Gro
      46.22.0.0/20         30910     TAGNet Autonomous System
      46.182.16.0/21       13270     DDKOM Autonomous System
      46.187.0.0/17        42420     Internet Center Ltd.
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.rand.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      /11:69      /12:207     
      /13:423     /14:750     /15:1351    /16:11398   /17:5576    /18:9342    
      /19:18637   /20:23989   /21:24018   /22:31685   /23:30550   /24:177021  
      /25:995     /26:1087    /27:586     /28:161     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2313          3748      bellsouth.net, inc. 
       6503     1763          2011      AVANTEL, S.A. 
       4323     1432          2653      Time Warner Telecom
       6478     1361          1402      AT&T Worldnet Services 
      10620     1228          1336      TVCABLE BOGOTA 
      11492     1215          1258      Cable One 
       1785     1080          1802      PaeTec Communications, Inc.
      18566     1073          1092      Covad Communications 
       7011     1059          1160      Citizens Utilities 
       8452      961          1068      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:99        2:15        4:13        8:314      12:2023     13:6      
        14:58       15:18       16:3        17:8        20:9        24:1413   
        27:443      31:1        32:61       33:8        34:2        36:1      
        38:718      40:101      41:2631     42:1        44:3        46:262    
        47:10       49:16       50:7        52:12       55:6        56:2      
        57:29       58:848      59:504      60:500      61:1138     62:1006   
        63:1953     64:3724     65:2328     66:4077     67:1810     68:1126   
        69:2893     70:717      71:381      72:1917     73:2        74:2278   
        75:294      76:327      77:865      78:672      79:429      80:1059   
        81:778      82:499      83:439      84:679      85:1015     86:483    
        87:699      88:331      89:1571     90:121      91:3202     92:448    
        93:998      94:1092     95:710      96:404      97:228      98:674    
        99:33      101:3       107:1       108:69      109:774     110:417    
       111:655     112:308     113:317     114:477     115:626     116:1130   
       117:660     118:572     119:1010    120:168     121:713     122:1599   
       123:963     124:1235    125:1272    128:228     129:152     130:172    
       131:554     132:239     133:20      134:209     135:46      136:204    
       137:143     138:284     139:108     140:475     141:195     142:348    
       143:524     144:503     145:54      146:430     147:169     148:671    
       149:331     150:149     151:231     152:294     153:175     154:3      
       155:363     156:167     157:342     158:121     159:366     160:311    
       161:199     162:276     163:166     164:435     165:331     166:466    
       167:429     168:702     169:150     170:719     171:63      172:2      
       173:1109    174:439     175:250     176:1       178:657     180:702    
       182:256     183:244     184:182     186:813     187:881     188:887    
       189:1590    190:4225    192:5775    193:4795    194:3466    195:2872   
       196:1185    197:1       198:3538    199:3644    200:5520    201:1640   
       202:8224    203:8325    204:4036    205:2346    206:2559    207:3023   
       208:3875    209:3457    210:2539    211:1296    212:1795    213:1712   
       214:693     215:63      216:4745    217:1604    218:565     219:401    
       220:1222    221:422     222:337     223:77     
      
      End of report