[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, pacnog at pacnog dot org, lacnog at lacnic dot net, caribnog-discuss at caribnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 30 Oct 2010 04:25:01 +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 30 Oct, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              334884
          Prefixes after maximum aggregation:                          153059
          Deaggregation factor:                                          2.19
          Unique aggregates announced to Internet:                     164990
      Total ASes present in the Internet Routing Table:                 35132
          Prefixes per ASN:                                              9.53
      Origin-only ASes present in the Internet Routing Table:           30301
      Origin ASes announcing only one prefix:                           14792
      Transit ASes present in the Internet Routing Table:                4831
      Transit-only ASes present in the Internet Routing Table:            116
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      30
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:               299
          Unregistered ASNs in the Routing Table:                         126
      Number of 32-bit ASNs allocated by the RIRs:                        855
      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:            190
      Number of addresses announced to Internet:                   2326677152
          Equivalent to 138 /8s, 174 /16s and 70 /24s
          Percentage of available address space announced:               62.8
          Percentage of allocated address space announced:               66.4
          Percentage of available address space allocated:               94.6
          Percentage of address space in use by end-sites:               85.7
      Total number of prefixes smaller than registry allocations:      137440
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    82239
          Total APNIC prefixes after maximum aggregation:               28016
          APNIC Deaggregation factor:                                    2.94
      Prefixes being announced from the APNIC address blocks:           79141
          Unique aggregates announced from the APNIC address blocks:    34694
      APNIC Region origin ASes present in the Internet Routing Table:    4221
          APNIC Prefixes per ASN:                                       18.75
      APNIC Region origin ASes announcing only one prefix:               1175
      APNIC Region transit ASes present in the Internet Routing Table:    674
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              560662560
          Equivalent to 33 /8s, 107 /16s and 8 /24s
          Percentage of available APNIC address space announced:         76.0
      
      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:                    137395
          Total ARIN prefixes after maximum aggregation:                71132
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           108801
          Unique aggregates announced from the ARIN address blocks:     43651
      ARIN Region origin ASes present in the Internet Routing Table:    14008
          ARIN Prefixes per ASN:                                         7.77
      ARIN Region origin ASes announcing only one prefix:                5372
      ARIN Region transit ASes present in the Internet Routing Table:    1485
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               738378752
          Equivalent to 44 /8s, 2 /16s and 196 /24s
          Percentage of available ARIN address space announced:          62.9
      
      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:                     77241
          Total RIPE prefixes after maximum aggregation:                44695
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            70713
          Unique aggregates announced from the RIPE address blocks:     46395
      RIPE Region origin ASes present in the Internet Routing Table:    14930
          RIPE Prefixes per ASN:                                         4.74
      RIPE Region origin ASes announcing only one prefix:                7688
      RIPE Region transit ASes present in the Internet Routing Table:    2300
      Average RIPE Region AS path length visible:                         4.4
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               443077376
          Equivalent to 26 /8s, 104 /16s and 211 /24s
          Percentage of available RIPE address space announced:          77.7
      
      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:                   30226
          Total LACNIC prefixes after maximum aggregation:               7219
          LACNIC Deaggregation factor:                                   4.19
      Prefixes being announced from the LACNIC address blocks:          28913
          Unique aggregates announced from the LACNIC address blocks:   15358
      LACNIC Region origin ASes present in the Internet Routing Table:   1377
          LACNIC Prefixes per ASN:                                      21.00
      LACNIC Region origin ASes announcing only one prefix:               428
      LACNIC Region transit ASes present in the Internet Routing Table:   238
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              76766720
          Equivalent to 4 /8s, 147 /16s and 94 /24s
          Percentage of available LACNIC address space announced:        57.2
      
      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:                   7554
          Total AfriNIC prefixes after maximum aggregation:              1877
          AfriNIC Deaggregation factor:                                  4.02
      Prefixes being announced from the AfriNIC address blocks:          5871
          Unique aggregates announced from the AfriNIC address blocks:   1719
      AfriNIC Region origin ASes present in the Internet Routing Table:   415
          AfriNIC Prefixes per ASN:                                     14.15
      AfriNIC Region origin ASes announcing only one prefix:              129
      AfriNIC Region transit ASes present in the Internet Routing Table:   89
      Average AfriNIC Region AS path length visible:                      5.1
          Max AfriNIC Region AS path length visible:                       21
      Number of AfriNIC addresses announced to Internet:             21458176
          Equivalent to 1 /8s, 71 /16s and 109 /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     1867       9453         512   Korea Telecom (KIX)
       7545     1424        299          78   TPG Internet Pty Ltd
       4755     1380        379         158   TATA Communications formerly 
      17488     1364        156         121   Hathway IP Over Cable Interne
      17974     1277        304          82   PT TELEKOMUNIKASI INDONESIA
      24560     1053        309         173   Bharti Airtel Ltd., Telemedia
       9583     1030         76         491   Sify Limited
       4808      976       1720         265   CNCGROUP IP network: China169
      18101      894        116         133   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     3760       3666         279   bellsouth.net, inc. 
       4323     2611       1104         393   Time Warner Telecom
       1785     1792        698         130   PaeTec Communications, Inc.
      19262     1776       4833         278   Verizon Global Networks 
      20115     1507       1528         644   Charter Communications 
       7018     1420       5691         909   AT&T WorldNet Services
       6478     1398        280          76   AT&T Worldnet Services 
       2386     1317        556         932   AT&T Data Communications Serv
      11492     1237        231          74   Cable One 
      22773     1225       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       2028         391   TDC Tele Danmark
       8866      426        133          25   Bulgarian Telecommunication C
       8551      402        353          46   Bezeq International
        702      397       1866         311   UUNET - Commercial IP service
      34984      381         91         188   BILISIM TELEKOM
       3301      379       1696         336   TeliaNet Sweden
       3320      377       7332         330   Deutsche Telekom AG
      30890      375         80         206   Evolva Telecom
      12479      366        576           5   Uni2 Autonomous System
      31148      360         19          82   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
      10620     1330        248         155   TVCABLE BOGOTA 
       8151     1326       2597         366   UniNet S.A. de C.V. 
      28573     1206        928          84   NET Servicos de Comunicao S.A
       7303      832        441         108   Telecom Argentina Stet-France
       6503      794        225         259   AVANTEL, S.A. 
      22047      564        310          15   VTR PUNTO NET S.A. 
      14420      554         42          82   CORPORACION NACIONAL DE TELEC
       3816      485        210          96   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      448         32          27   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     1112        445          10   TEDATA
      24863      744        147          39   LINKdotNET AS number
      36992      643        278         160   Etisalat MISR
       3741      268        907         225   The Internet Solution 
      24835      209         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      203         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      196         12          14   Starcomms Nigeria Limited
      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     3760       3666         279   bellsouth.net, inc. 
       4323     2611       1104         393   Time Warner Telecom
       4766     1867       9453         512   Korea Telecom (KIX)
       1785     1792        698         130   PaeTec Communications, Inc.
      19262     1776       4833         278   Verizon Global Networks 
      20115     1507       1528         644   Charter Communications 
       7545     1424        299          78   TPG Internet Pty Ltd
       7018     1420       5691         909   AT&T WorldNet Services
       6478     1398        280          76   AT&T Worldnet Services 
       4755     1380        379         158   TATA Communications formerly 
      
      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      2611        2218      Time Warner Telecom
       1785      1792        1662      PaeTec Communications, Inc.
      19262      1776        1498      Verizon Global Networks 
       4766      1867        1355      Korea Telecom (KIX)
       7545      1424        1346      TPG Internet Pty Ltd
       6478      1398        1322      AT&T Worldnet Services 
      17488      1364        1243      Hathway IP Over Cable Interne
       4755      1380        1222      TATA Communications formerly 
      17974      1277        1195      PT TELEKOMUNIKASI INDONESIA
      10620      1330        1175      TVCABLE BOGOTA 
      
      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
      36.0.0.0/8             237     Merit Network 
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      42.0.0.0/8             237     Merit Network 
      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
      
      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        /8:21       /9:10      /10:25      /11:68      /12:206     
      /13:420     /14:744     /15:1346    /16:11369   /17:5534    /18:9378    
      /19:18596   /20:23846   /21:23863   /22:31488   /23:30659   /24:174487  
      /25:974     /26:1098    /27:580     /28:151     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2325          3760      bellsouth.net, inc. 
       4323     1402          2611      Time Warner Telecom
       6478     1360          1398      AT&T Worldnet Services 
      10620     1222          1330      TVCABLE BOGOTA 
      11492     1194          1237      Cable One 
       1785     1074          1792      PaeTec Communications, Inc.
      18566     1069          1088      Covad Communications 
       7011     1059          1160      Citizens Utilities 
       8452     1008          1112      TEDATA
      19262      902          1776      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:92        2:13        4:13        5:1         8:312      12:1995   
        13:8        14:53       15:18       16:3        17:8        20:9      
        24:1402     27:394      31:1        32:61       33:11       38:697    
        40:101      41:2618     44:3        46:199      47:10       49:4      
        50:3        52:12       55:5        56:2        57:29       58:834    
        59:501      60:480      61:1122     62:1003     63:1964     64:3746   
        65:2344     66:4069     67:1809     68:1123     69:2878     70:753    
        71:376      72:1894     73:2        74:2324     75:295      76:326    
        77:855      78:683      79:443      80:1060     81:795      82:513    
        83:454      84:684      85:1020     86:472      87:694      88:329    
        89:1572     90:109      91:3144     92:438      93:983      94:1120   
        95:704      96:396      97:222      98:632      99:32      100:1      
       101:3       108:64      109:724     110:426     111:619     112:308    
       113:306     114:478     115:615     116:1142    117:660     118:556    
       119:999     120:164     121:715     122:1606    123:950     124:1224   
       125:1270    128:229     129:152     130:168     131:564     132:275    
       133:20      134:207     135:46      136:211     137:142     138:279    
       139:109     140:485     141:198     142:347     143:361     144:500    
       145:55      146:427     147:173     148:619     149:308     150:146    
       151:231     152:293     153:175     154:3       155:362     156:166    
       157:338     158:112     159:361     160:312     161:199     162:274    
       163:163     164:426     165:349     166:469     167:426     168:681    
       169:155     170:718     171:62      172:2       173:1074    174:484    
       175:242     176:1       178:562     180:688     182:255     183:238    
       184:155     186:751     187:560     188:855     189:806     190:4185   
       192:5764    193:4751    194:3440    195:2839    196:1196    198:3519   
       199:3629    200:5409    201:1583    202:8177    203:8297    204:4016   
       205:2326    206:2569    207:3009    208:3885    209:3456    210:2557   
       211:1278    212:1805    213:1729    214:675     215:66      216:4742   
       217:1571    218:526     219:401     220:1184    221:428     222:343    
       223:59     
      
      End of report