[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, 13 Nov 2010 04:26:23 +1000 (EST)
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    • 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 13 Nov, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              337475
          Prefixes after maximum aggregation:                          153810
          Deaggregation factor:                                          2.19
          Unique aggregates announced to Internet:                     165548
      Total ASes present in the Internet Routing Table:                 35234
          Prefixes per ASN:                                              9.58
      Origin-only ASes present in the Internet Routing Table:           30369
      Origin ASes announcing only one prefix:                           14826
      Transit ASes present in the Internet Routing Table:                4865
      Transit-only ASes present in the Internet Routing Table:            117
      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:               295
          Unregistered ASNs in the Routing Table:                         124
      Number of 32-bit ASNs allocated by the RIRs:                        880
      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:            195
      Number of addresses announced to Internet:                   2298665376
          Equivalent to 137 /8s, 2 /16s and 217 /24s
          Percentage of available address space announced:               62.0
          Percentage of allocated address space announced:               65.6
          Percentage of available address space allocated:               94.6
          Percentage of address space in use by end-sites:               85.9
      Total number of prefixes smaller than registry allocations:      139046
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    82694
          Total APNIC prefixes after maximum aggregation:               28127
          APNIC Deaggregation factor:                                    2.94
      Prefixes being announced from the APNIC address blocks:           79584
          Unique aggregates announced from the APNIC address blocks:    34871
      APNIC Region origin ASes present in the Internet Routing Table:    4237
          APNIC Prefixes per ASN:                                       18.78
      APNIC Region origin ASes announcing only one prefix:               1178
      APNIC Region transit ASes present in the Internet Routing Table:    680
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              563115552
          Equivalent to 33 /8s, 144 /16s and 118 /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,  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:                    137756
          Total ARIN prefixes after maximum aggregation:                71405
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           109127
          Unique aggregates announced from the ARIN address blocks:     43688
      ARIN Region origin ASes present in the Internet Routing Table:    14028
          ARIN Prefixes per ASN:                                         7.78
      ARIN Region origin ASes announcing only one prefix:                5371
      ARIN Region transit ASes present in the Internet Routing Table:    1493
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               740228864
          Equivalent to 44 /8s, 30 /16s and 255 /24s
          Percentage of available ARIN address space announced:          63.0
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 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:                     77788
          Total RIPE prefixes after maximum aggregation:                44916
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            71248
          Unique aggregates announced from the RIPE address blocks:     46676
      RIPE Region origin ASes present in the Internet Routing Table:    14985
          RIPE Prefixes per ASN:                                         4.75
      RIPE Region origin ASes announcing only one prefix:                7714
      RIPE Region transit ASes present in the Internet Routing Table:    2305
      Average RIPE Region AS path length visible:                         4.4
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               444162560
          Equivalent to 26 /8s, 121 /16s and 98 /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:                   31406
          Total LACNIC prefixes after maximum aggregation:               7357
          LACNIC Deaggregation factor:                                   4.27
      Prefixes being announced from the LACNIC address blocks:          30044
          Unique aggregates announced from the LACNIC address blocks:   15310
      LACNIC Region origin ASes present in the Internet Routing Table:   1390
          LACNIC Prefixes per ASN:                                      21.61
      LACNIC Region origin ASes announcing only one prefix:               435
      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:                        18
      Number of LACNIC addresses announced to Internet:              76966400
          Equivalent to 4 /8s, 150 /16s and 106 /24s
          Percentage of available LACNIC address space announced:        57.3
      
      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:                   7605
          Total AfriNIC prefixes after maximum aggregation:              1885
          AfriNIC Deaggregation factor:                                  4.03
      Prefixes being announced from the AfriNIC address blocks:          5887
          Unique aggregates announced from the AfriNIC address blocks:   1748
      AfriNIC Region origin ASes present in the Internet Routing Table:   413
          AfriNIC Prefixes per ASN:                                     14.25
      AfriNIC Region origin ASes announcing only one prefix:              128
      AfriNIC Region transit ASes present in the Internet Routing Table:   91
      Average AfriNIC Region AS path length visible:                      5.2
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21490688
          Equivalent to 1 /8s, 71 /16s and 236 /24s
          Percentage of available AfriNIC address space announced:       64.0
      
      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     1865       9469         516   Korea Telecom (KIX)
       7545     1436        299          79   TPG Internet Pty Ltd
       4755     1384        383         158   TATA Communications formerly 
      17488     1360        156         121   Hathway IP Over Cable Interne
      17974     1297        306          95   PT TELEKOMUNIKASI INDONESIA
      24560     1056        309         168   Bharti Airtel Ltd., Telemedia
       9583     1028         75         487   Sify Limited
       4808      979       1722         267   CNCGROUP IP network: China169
      18101      905        116         138   Reliance Infocom Ltd Internet
       9829      826        694          27   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     3752       3922         277   bellsouth.net, inc. 
       4323     2660       1106         397   Time Warner Telecom
       1785     1796        697         130   PaeTec Communications, Inc.
      19262     1781       4864         282   Verizon Global Networks 
      20115     1508       1530         645   Charter Communications 
       7018     1410       5660         902   AT&T WorldNet Services
       6478     1392        280         137   AT&T Worldnet Services 
       2386     1305        555         926   AT&T Data Communications Serv
      11492     1256        233          72   Cable One 
      22773     1243       2859          62   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      447       2027         389   TDC Tele Danmark
       8866      435        133          25   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
      34984      397         92         191   BILISIM TELEKOM
        702      396       1865         310   UUNET - Commercial IP service
       3301      380       1688         334   TeliaNet Sweden
       3320      378       7332         331   Deutsche Telekom AG
      12479      375        576           5   Uni2 Autonomous System
      30890      375         80         208   Evolva Telecom
      31148      353         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     1998        277         365   AVANTEL, S.A. 
       8151     1336       2610         376   UniNet S.A. de C.V. 
      10620     1333        249         154   TVCABLE BOGOTA 
      28573     1181        928          84   NET Servicos de Comunicao S.A
       7303      827        440         105   Telecom Argentina Stet-France
      14420      571         48          76   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      452         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     1065        445          10   TEDATA
      24863      741        147          39   LINKdotNET AS number
      36992      650        278         158   Etisalat MISR
       3741      264        907         226   The Internet Solution 
      24835      204         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      202         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      195         12          14   Starcomms Nigeria Limited
      16637      154        441          91   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     3752       3922         277   bellsouth.net, inc. 
       4323     2660       1106         397   Time Warner Telecom
       6503     1998        277         365   AVANTEL, S.A. 
       4766     1865       9469         516   Korea Telecom (KIX)
       1785     1796        697         130   PaeTec Communications, Inc.
      19262     1781       4864         282   Verizon Global Networks 
      20115     1508       1530         645   Charter Communications 
       7545     1436        299          79   TPG Internet Pty Ltd
       7018     1410       5660         902   AT&T WorldNet Services
       6478     1392        280         137   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      2660        2263      Time Warner Telecom
       1785      1796        1666      PaeTec Communications, Inc.
       6503      1998        1633      AVANTEL, S.A. 
      19262      1781        1499      Verizon Global Networks 
       7545      1436        1357      TPG Internet Pty Ltd
       4766      1865        1349      Korea Telecom (KIX)
       6478      1392        1255      AT&T Worldnet Services 
      17488      1360        1239      Hathway IP Over Cable Interne
       4755      1384        1226      TATA Communications formerly 
      17974      1297        1202      PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.rand.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        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
      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.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<<
      46.148.128.0/20      44056     Trytech Ltd.
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      64.21.192.0/20       11610     Internet Nebraska Corporation
      64.21.212.0/22       11610     Internet Nebraska Corporation
      
      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     
      /13:422     /14:747     /15:1352    /16:11407   /17:5583    /18:9345    
      /19:18599   /20:23974   /21:24005   /22:31701   /23:30532   /24:176629  
      /25:986     /26:1102    /27:586     /28:154     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2316          3752      bellsouth.net, inc. 
       6503     1749          1998      AVANTEL, S.A. 
       4323     1431          2660      Time Warner Telecom
       6478     1353          1392      AT&T Worldnet Services 
      10620     1225          1333      TVCABLE BOGOTA 
      11492     1213          1256      Cable One 
       1785     1075          1796      PaeTec Communications, Inc.
      18566     1072          1091      Covad Communications 
       7011     1058          1159      Citizens Utilities 
       8452      966          1065      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:100       2:13        4:13        8:313      12:2016     13:8      
        14:60       15:18       16:3        17:8        20:9        24:1418   
        27:441      31:1        32:61       33:9        34:2        38:716    
        40:101      41:2612     44:3        46:260      47:10       49:14     
        50:6        52:12       55:7        56:2        57:29       58:848    
        59:500      60:496      61:1136     62:1006     63:1959     64:3738   
        65:2329     66:4079     67:1829     68:1130     69:2889     70:752    
        71:374      72:1935     73:2        74:2316     75:292      76:326    
        77:853      78:669      79:430      80:1048     81:798      82:506    
        83:466      84:681      85:1014     86:483      87:698      88:331    
        89:1567     90:116      91:3177     92:449      93:997      94:1129   
        95:715      96:402      97:226      98:627      99:33      101:3      
       107:1       108:64      109:745     110:417     111:645     112:313    
       113:316     114:475     115:608     116:1131    117:662     118:571    
       119:1014    120:166     121:709     122:1604    123:979     124:1235   
       125:1271    128:228     129:152     130:168     131:553     132:246    
       133:20      134:207     135:46      136:211     137:141     138:283    
       139:109     140:471     141:196     142:347     143:354     144:501    
       145:55      146:426     147:179     148:671     149:326     150:146    
       151:231     152:290     153:174     154:3       155:364     156:166    
       157:339     158:114     159:367     160:313     161:198     162:275    
       163:166     164:430     165:349     166:468     167:428     168:700    
       169:155     170:719     171:63      172:2       173:1089    174:411    
       175:261     176:1       178:618     180:693     182:252     183:246    
       184:182     186:805     187:859     188:884     189:1565    190:4197   
       192:5768    193:4772    194:3443    195:2858    196:1209    198:3533   
       199:3642    200:5490    201:1641    202:8218    203:8289    204:4044   
       205:2336    206:2569    207:3022    208:3885    209:3458    210:2553   
       211:1299    212:1807    213:1718    214:696     215:66      216:4761   
       217:1595    218:544     219:400     220:1221    221:421     222:342    
       223:71     
      
      End of report