[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, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 2 Jul 2011 05:05:49 +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 <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 02 Jul, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              362404
          Prefixes after maximum aggregation:                          164721
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     179786
      Total ASes present in the Internet Routing Table:                 38071
          Prefixes per ASN:                                              9.52
      Origin-only ASes present in the Internet Routing Table:           31670
      Origin ASes announcing only one prefix:                           15223
      Transit ASes present in the Internet Routing Table:                5179
      Transit-only ASes present in the Internet Routing Table:            136
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (22394)                               27
      Prefixes from unregistered ASNs in the Routing Table:               877
          Unregistered ASNs in the Routing Table:                         484
      Number of 32-bit ASNs allocated by the RIRs:                       1514
      Number of 32-bit ASNs visible in the Routing Table:                1222
      Prefixes from 32-bit ASNs in the Routing Table:                    2774
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            134
      Number of addresses announced to Internet:                   2492654912
          Equivalent to 148 /8s, 146 /16s and 229 /24s
          Percentage of available address space announced:               67.3
          Percentage of allocated address space announced:               67.3
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.0
      Total number of prefixes smaller than registry allocations:      151058
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    90072
          Total APNIC prefixes after maximum aggregation:               30234
          APNIC Deaggregation factor:                                    2.98
      Prefixes being announced from the APNIC address blocks:           86827
          Unique aggregates announced from the APNIC address blocks:    37040
      APNIC Region origin ASes present in the Internet Routing Table:    4494
          APNIC Prefixes per ASN:                                       19.32
      APNIC Region origin ASes announcing only one prefix:               1243
      APNIC Region transit ASes present in the Internet Routing Table:    708
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     53
      Number of APNIC addresses announced to Internet:              621139616
          Equivalent to 37 /8s, 5 /16s and 214 /24s
          Percentage of available APNIC address space announced:         78.8
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 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:                    141388
          Total ARIN prefixes after maximum aggregation:                72780
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           113365
          Unique aggregates announced from the ARIN address blocks:     46607
      ARIN Region origin ASes present in the Internet Routing Table:    14460
          ARIN Prefixes per ASN:                                         7.84
      ARIN Region origin ASes announcing only one prefix:                5524
      ARIN Region transit ASes present in the Internet Routing Table:    1519
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          30
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      13
      Number of ARIN addresses announced to Internet:               819612288
          Equivalent to 48 /8s, 218 /16s and 74 /24s
          Percentage of available ARIN address space announced:          65.1
      
      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,  23/8,  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,
                              53/8,  54/8,  55/8,  56/8,  57/8,  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, 100/8, 104/8, 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:                     86326
          Total RIPE prefixes after maximum aggregation:                49069
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            79752
          Unique aggregates announced from the RIPE address blocks:     52675
      RIPE Region origin ASes present in the Internet Routing Table:    15768
          RIPE Prefixes per ASN:                                         5.06
      RIPE Region origin ASes announcing only one prefix:                7871
      RIPE Region transit ASes present in the Internet Routing Table:    2503
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     899
      Number of RIPE addresses announced to Internet:               478628096
          Equivalent to 28 /8s, 135 /16s and 73 /24s
          Percentage of available RIPE address space announced:          77.1
      
      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, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  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, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   33414
          Total LACNIC prefixes after maximum aggregation:               7555
          LACNIC Deaggregation factor:                                   4.42
      Prefixes being announced from the LACNIC address blocks:          32490
          Unique aggregates announced from the LACNIC address blocks:   16972
      LACNIC Region origin ASes present in the Internet Routing Table:   1473
          LACNIC Prefixes per ASN:                                      22.06
      LACNIC Region origin ASes announcing only one prefix:               440
      LACNIC Region transit ASes present in the Internet Routing Table:   272
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   253
      Number of LACNIC addresses announced to Internet:              85702656
          Equivalent to 5 /8s, 27 /16s and 184 /24s
          Percentage of available LACNIC address space announced:        56.8
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 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:                   8217
          Total AfriNIC prefixes after maximum aggregation:              1963
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6492
          Unique aggregates announced from the AfriNIC address blocks:   1972
      AfriNIC Region origin ASes present in the Internet Routing Table:   466
          AfriNIC Prefixes per ASN:                                     13.93
      AfriNIC Region origin ASes announcing only one prefix:              145
      AfriNIC Region transit ASes present in the Internet Routing Table:  103
      Average AfriNIC Region AS path length visible:                      4.7
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             24304128
          Equivalent to 1 /8s, 114 /16s and 218 /24s
          Percentage of available AfriNIC address space announced:       36.2
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2460       9500         928   Korea Telecom (KIX)
      17974     1835        461          42   PT TELEKOMUNIKASI INDONESIA
       7545     1543        301          85   TPG Internet Pty Ltd
       4755     1476        627         162   TATA Communications formerly 
      24560     1153        336         187   Bharti Airtel Ltd., Telemedia
       9829     1098        914          45   BSNL National Internet Backbo
       9583     1056         78         506   Sify Limited
       4808     1050       2091         298   CNCGROUP IP network: China169
      17488      960        186         103   Hathway IP Over Cable Interne
      18101      932        116         139   Reliance Infocom Ltd Internet
      
      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     3619       3819         245   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1802        681         122   PaeTec Communications, Inc.
       4323     1660       1082         399   Time Warner Telecom
      20115     1589       1532         635   Charter Communications 
      19262     1450       4806         370   Verizon Global Networks 
       7018     1361       7053         887   AT&T WorldNet Services
      22773     1347       2897          87   Cox Communications, Inc.
       6478     1338        248         613   AT&T Worldnet Services 
       7029     1285        790         298   Windstream 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
      34984      535        106         185   BILISIM TELEKOM
       6830      513       1780         318   UPC Distribution Services
       3292      469       2080         404   TDC Tele Danmark
      20940      467        137         360   Akamai Technologies European 
       8866      451        134          26   Bulgarian Telecommunication C
      29049      440         33          45   AzerSat LLC.
      12479      438        593           7   Uni2 Autonomous System
       3320      420       8151         367   Deutsche Telekom AG
       8551      404        354          44   Bezeq International
        702      396       1803         310   UUNET - Commercial IP service
      
      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     1541        282         157   TVCABLE BOGOTA 
       8151     1424       2742         356   UniNet S.A. de C.V. 
      28573     1271        996          80   NET Servicos de Comunicao S.A
       7303     1000        507         175   Telecom Argentina Stet-France
       6503      747        354          74   AVANTEL, S.A. 
      14420      685         55          81   CORPORACION NACIONAL DE TELEC
      22047      576        322          17   VTR PUNTO NET S.A. 
       3816      535        232          92   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      505         53          53   Telconet 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      792        445          11   TEDATA
      24863      789        147          37   LINKdotNET AS number
      15475      524         74           8   Nile Online
      36992      315        415          14   Etisalat MISR
       3741      261        937         223   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      24835      211         78          10   RAYA Telecom - Egypt
      33776      210         12           8   Starcomms Nigeria Limited
      29571      192         17          11   Ci Telecom Autonomous system 
      16637      149        441          86   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     3619       3819         245   bellsouth.net, inc. 
      23456     2774        692        1512   32-bit ASN transition
       4766     2460       9500         928   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
      17974     1835        461          42   PT TELEKOMUNIKASI INDONESIA
       1785     1802        681         122   PaeTec Communications, Inc.
       4323     1660       1082         399   Time Warner Telecom
      20115     1589       1532         635   Charter Communications 
       7545     1543        301          85   TPG Internet Pty Ltd
      10620     1541        282         157   TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      1835        1793      PT TELEKOMUNIKASI INDONESIA
       1785      1802        1680      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2460        1532      Korea Telecom (KIX)
       7545      1543        1458      TPG Internet Pty Ltd
      10620      1541        1384      TVCABLE BOGOTA 
       4755      1476        1314      TATA Communications formerly 
      23456      2774        1262      32-bit ASN transition
       4323      1660        1261      Time Warner Telecom
      22773      1347        1260      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      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
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      27.0.128.0/17         7514     Media Exchange, Inc.
      31.135.216.0/21      51388     UAB Marsatas
      41.190.32.0/23       31856     CABSAS
      41.190.34.0/23       31856     CABSAS
      
      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        /8:22       /9:12      /10:28      /11:81      /12:231     
      /13:461     /14:801     /15:1396    /16:11983   /17:5875    /18:9808    
      /19:19455   /20:25864   /21:26151   /22:34633   /23:33577   /24:188712  
      /25:1089    /26:1268    /27:740     /28:200     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2227          3619      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1436          1541      TVCABLE BOGOTA 
      23456     1369          2774      32-bit ASN transition
       6478     1309          1338      AT&T Worldnet Services 
      11492     1090          1136      Cable One 
       7011     1055          1156      Citizens Utilities 
       1785     1052          1802      PaeTec Communications, Inc.
       7029     1032          1285      Windstream Communications Inc
      22773      862          1347      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:319       2:47        4:16        5:1         6:3         8:337    
        12:1976     13:1        14:472      15:15       16:3        17:8      
        20:10       23:13       24:1657     27:788      31:488      32:64     
        33:4        34:2        36:4        37:1        38:741      39:3      
        40:103      41:2550     42:23       44:3        46:992      47:3      
        49:196      50:431      52:13       54:2        55:4        56:2      
        57:33       58:859      59:476      60:386      61:1173     62:1048   
        63:1936     64:3947     65:2293     66:3875     67:1900     68:1095   
        69:3026     70:758      71:389      72:1890     74:2380     75:313    
        76:341      77:885      78:712      79:461      80:1118     81:844    
        82:501      83:457      84:686      85:1080     86:552      87:759    
        88:334      89:1532     90:211      91:3917     92:537      93:1053   
        94:1319     95:853      96:446      97:254      98:890      99:36     
       101:77      103:100     106:10      107:19      108:71      109:1019   
       110:608     111:712     112:304     113:407     114:544     115:669    
       116:969     117:668     118:854     119:1155    120:308     121:669    
       122:1612    123:969     124:1298    125:1236    128:246     129:173    
       130:168     131:564     132:112     133:21      134:213     135:48     
       136:215     137:136     138:298     139:115     140:474     141:241    
       142:403     143:416     144:481     145:54      146:448     147:213    
       148:659     149:247     150:163     151:190     152:330     153:180    
       154:4       155:399     156:199     157:351     158:138     159:452    
       160:314     161:211     162:309     163:164     164:510     165:354    
       166:529     167:432     168:737     169:158     170:847     171:78     
       172:1       173:1635    174:615     175:377     176:141     177:134    
       178:990     180:878     181:21      182:485     183:219     184:313    
       185:1       186:1253    187:733     188:872     189:944     190:4928   
       192:5894    193:4972    194:3495    195:3027    196:1224    197:41     
       198:3564    199:3959    200:5519    201:1513    202:8394    203:8418   
       204:4222    205:2347    206:2678    207:2812    208:3962    209:3460   
       210:2693    211:1455    212:2103    213:1743    214:770     215:70     
       216:4929    217:1644    218:544     219:361     220:1204    221:492    
       222:361     223:180    
      
      End of report