[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, 13 Aug 2011 05:07:06 +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 13 Aug, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              367521
          Prefixes after maximum aggregation:                          166524
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     182354
      Total ASes present in the Internet Routing Table:                 38471
          Prefixes per ASN:                                              9.55
      Origin-only ASes present in the Internet Routing Table:           31933
      Origin ASes announcing only one prefix:                           15342
      Transit ASes present in the Internet Routing Table:                5219
      Transit-only ASes present in the Internet Routing Table:            142
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      34
          Max AS path prepend of ASN (22394)                               31
      Prefixes from unregistered ASNs in the Routing Table:              1079
          Unregistered ASNs in the Routing Table:                         608
      Number of 32-bit ASNs allocated by the RIRs:                       1645
      Number of 32-bit ASNs visible in the Routing Table:                1319
      Prefixes from 32-bit ASNs in the Routing Table:                    3044
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            117
      Number of addresses announced to Internet:                   2493117120
          Equivalent to 148 /8s, 153 /16s and 242 /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:               91.2
      Total number of prefixes smaller than registry allocations:      153387
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    92175
          Total APNIC prefixes after maximum aggregation:               30502
          APNIC Deaggregation factor:                                    3.02
      Prefixes being announced from the APNIC address blocks:           88686
          Unique aggregates announced from the APNIC address blocks:    37759
      APNIC Region origin ASes present in the Internet Routing Table:    4529
          APNIC Prefixes per ASN:                                       19.58
      APNIC Region origin ASes announcing only one prefix:               1242
      APNIC Region transit ASes present in the Internet Routing Table:    709
      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:     70
      Number of APNIC addresses announced to Internet:              623788832
          Equivalent to 37 /8s, 46 /16s and 67 /24s
          Percentage of available APNIC address space announced:         79.1
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      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:                    142332
          Total ARIN prefixes after maximum aggregation:                73328
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           114147
          Unique aggregates announced from the ARIN address blocks:     47051
      ARIN Region origin ASes present in the Internet Routing Table:    14570
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5592
      ARIN Region transit ASes present in the Internet Routing Table:    1541
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          34
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               803404032
          Equivalent to 47 /8s, 226 /16s and 249 /24s
          Percentage of available ARIN address space announced:          63.8
      
      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:                     87382
          Total RIPE prefixes after maximum aggregation:                49660
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            80613
          Unique aggregates announced from the RIPE address blocks:     53297
      RIPE Region origin ASes present in the Internet Routing Table:    15880
          RIPE Prefixes per ASN:                                         5.08
      RIPE Region origin ASes announcing only one prefix:                7911
      RIPE Region transit ASes present in the Internet Routing Table:    2513
      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:     947
      Number of RIPE addresses announced to Internet:               487087104
          Equivalent to 29 /8s, 8 /16s and 92 /24s
          Percentage of available RIPE address space announced:          78.5
      
      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:                   34092
          Total LACNIC prefixes after maximum aggregation:               7643
          LACNIC Deaggregation factor:                                   4.46
      Prefixes being announced from the LACNIC address blocks:          33264
          Unique aggregates announced from the LACNIC address blocks:   17324
      LACNIC Region origin ASes present in the Internet Routing Table:   1499
          LACNIC Prefixes per ASN:                                      22.19
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   275
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   286
      Number of LACNIC addresses announced to Internet:              87493120
          Equivalent to 5 /8s, 55 /16s and 10 /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, 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:                   8326
          Total AfriNIC prefixes after maximum aggregation:              2031
          AfriNIC Deaggregation factor:                                  4.10
      Prefixes being announced from the AfriNIC address blocks:          6466
          Unique aggregates announced from the AfriNIC address blocks:   2050
      AfriNIC Region origin ASes present in the Internet Routing Table:   484
          AfriNIC Prefixes per ASN:                                     13.36
      AfriNIC Region origin ASes announcing only one prefix:              155
      AfriNIC Region transit ASes present in the Internet Routing Table:  103
      Average AfriNIC Region AS path length visible:                      4.8
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             26906880
          Equivalent to 1 /8s, 154 /16s and 145 /24s
          Percentage of available AfriNIC address space announced:       40.1
      
      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     2485      11044         946   Korea Telecom (KIX)
      17974     1802        516          31   PT TELEKOMUNIKASI INDONESIA
       7545     1569        301          85   TPG Internet Pty Ltd
       4755     1535        635         170   TATA Communications formerly 
       7552     1408       1064           7   Vietel Corporation
      24560     1198        336         187   Bharti Airtel Ltd., Telemedia
       9829     1128        963          42   BSNL National Internet Backbo
       9583     1070         78         490   Sify Limited
       4808     1065       2098         306   CNCGROUP IP network: China169
      17488      990        187         123   Hathway IP Over Cable Interne
      
      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     3589       3817         228   bellsouth.net, inc. 
      18566     1913        365         240   Covad Communications 
       1785     1817        681         124   PaeTec Communications, Inc.
       4323     1616       1086         401   Time Warner Telecom
       7029     1612        993         230   Windstream Communications Inc
      20115     1591       1538         623   Charter Communications 
      22773     1409       2903          93   Cox Communications, Inc.
      19262     1405       4778         395   Verizon Global Networks 
       7018     1364       7053         893   AT&T WorldNet Services
       2386     1248        519         898   AT&T Data Communications Serv
      
      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      538        107         185   BILISIM TELEKOM
       6830      511       1788         316   UPC Distribution Services
       3292      470       2080         405   TDC Tele Danmark
      20940      470        134         363   Akamai Technologies European 
       8866      454        133          26   Bulgarian Telecommunication C
      12479      453        593           7   Uni2 Autonomous System
       3320      425       8151         371   Deutsche Telekom AG
      29049      417         31          55   AzerSat LLC.
       8551      404        354          44   Bezeq International
       3301      397       1855         346   TeliaNet Sweden
      
      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     1574        290         165   TVCABLE BOGOTA 
       8151     1434       2755         355   UniNet S.A. de C.V. 
      28573     1265        996          67   NET Servicos de Comunicao S.A
       7303     1069        578         177   Telecom Argentina Stet-France
       6503      742        450          76   AVANTEL, S.A. 
      14420      705         56          85   CORPORACION NACIONAL DE TELEC
      22047      578        322          17   VTR PUNTO NET S.A. 
       3816      530        232          96   Empresa Nacional de Telecomun
      27947      516         53          54   Telconet S.A
       7738      515        986          31   Telecomunicacoes da Bahia 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
      24863      806        147          43   LINKdotNET AS number
       8452      653        445          11   TEDATA
      15475      512         74           8   Nile Online
      36992      305        415          14   Etisalat MISR
       3741      265        937         226   The Internet Solution 
       6713      261        519          14   Itissalat Al-MAGHRIB
      15706      236         32           6   Sudatel Internet Exchange Aut
      33776      229         13           8   Starcomms Nigeria Limited
      12258      193         28          64   Vodacom Internet Company 
      24835      179         78          10   RAYA Telecom - Egypt
      
      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     3589       3817         228   bellsouth.net, inc. 
      23456     3044        732        1637   32-bit ASN transition
       4766     2485      11044         946   Korea Telecom (KIX)
      18566     1913        365         240   Covad Communications 
       1785     1817        681         124   PaeTec Communications, Inc.
      17974     1802        516          31   PT TELEKOMUNIKASI INDONESIA
       4323     1616       1086         401   Time Warner Telecom
       7029     1612        993         230   Windstream Communications Inc
      20115     1591       1538         623   Charter Communications 
      10620     1574        290         165   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      1802        1771      PT TELEKOMUNIKASI INDONESIA
       1785      1817        1693      PaeTec Communications, Inc.
      18566      1913        1673      Covad Communications 
       4766      2485        1539      Korea Telecom (KIX)
       7545      1569        1484      TPG Internet Pty Ltd
      10620      1574        1409      TVCABLE BOGOTA 
      23456      3044        1407      32-bit ASN transition
       7552      1408        1401      Vietel Corporation
       7029      1612        1382      Windstream Communications Inc
       4755      1535        1365      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
      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       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        /8:20       /9:12      /10:27      /11:81      /12:233     
      /13:465     /14:800     /15:1414    /16:12057   /17:5905    /18:9924    
      /19:19543   /20:26516   /21:26492   /22:35349   /23:34180   /24:191159  
      /25:1096    /26:1298    /27:735     /28:206     /29:4       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2220          3589      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      23456     1488          3044      32-bit ASN transition
      10620     1469          1574      TVCABLE BOGOTA 
       7029     1308          1612      Windstream Communications Inc
      11492     1100          1146      Cable One 
       7011     1056          1158      Citizens Utilities 
       1785     1052          1817      PaeTec Communications, Inc.
      22773      905          1409      Cox Communications, Inc.
      30036      896           918      Mediacom Communications Corp 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:354       2:46        4:15        5:1         6:3         8:342    
        12:1960     13:1        14:508      15:15       16:3        17:5      
        20:10       23:19       24:1686     27:872      31:513      32:64     
        33:4        34:2        36:4        38:729      40:108      41:2486   
        42:43       44:3        46:1070     47:3        49:219      50:393    
        52:13       54:2        55:6        56:2        57:35       58:869    
        59:500      60:379      61:1186     62:1065     63:1932     64:4005   
        65:2300     66:3918     67:1914     68:1109     69:3085     70:779    
        71:373      72:1868     74:2432     75:329      76:342      77:863    
        78:708      79:470      80:1132     81:828      82:487      83:465    
        84:685      85:1076     86:523      87:836      88:335      89:1533   
        90:224      91:4035     92:526      93:1118     94:1332     95:867    
        96:418      97:266      98:919      99:37      101:79      103:188    
       106:79      107:31      108:73      109:1017    110:619     111:731    
       112:308     113:407     114:560     115:694     116:992     117:679    
       118:870     119:1184    120:315     121:689     122:1611    123:980    
       124:1372    125:1326    128:246     129:174     130:171     131:578    
       132:116     133:21      134:213     135:52      136:210     137:140    
       138:296     139:116     140:488     141:273     142:380     143:419    
       144:489     145:58      146:459     147:215     148:695     149:252    
       150:163     151:190     152:440     153:182     154:5       155:400    
       156:199     157:331     158:138     159:458     160:317     161:208    
       162:309     163:164     164:515     165:366     166:533     167:432    
       168:748     169:153     170:847     171:81      172:1       173:1645   
       174:623     175:393     176:163     177:209     178:1005    180:927    
       181:26      182:512     183:241     184:365     185:1       186:1363   
       187:737     188:908     189:926     190:5094    192:5915    193:4974   
       194:3510    195:3052    196:1207    197:121     198:3591    199:4026   
       200:5537    201:1481    202:8428    203:8479    204:4261    205:2313   
       206:2677    207:2791    208:4015    209:3413    210:2687    211:1459   
       212:2085    213:1758    214:776     215:70      216:4887    217:1616   
       218:555     219:354     220:1229    221:513     222:355     223:234    
      
      
      End of report