[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, 4 Feb 2012 04:59:49 +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,
      TRNOG, 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 04 Feb, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              395820
          Prefixes after maximum aggregation:                          169388
          Deaggregation factor:                                          2.34
          Unique aggregates announced to Internet:                     191947
      Total ASes present in the Internet Routing Table:                 40003
          Prefixes per ASN:                                              9.89
      Origin-only ASes present in the Internet Routing Table:           32689
      Origin ASes announcing only one prefix:                           15521
      Transit ASes present in the Internet Routing Table:                5393
      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:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               315
          Unregistered ASNs in the Routing Table:                         120
      Number of 32-bit ASNs allocated by the RIRs:                       2257
      Number of 32-bit ASNs visible in the Routing Table:                1921
      Prefixes from 32-bit ASNs in the Routing Table:                    4672
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            120
      Number of addresses announced to Internet:                   2512081104
          Equivalent to 149 /8s, 187 /16s and 80 /24s
          Percentage of available address space announced:               67.8
          Percentage of allocated address space announced:               67.8
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               92.0
      Total number of prefixes smaller than registry allocations:      167934
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    97613
          Total APNIC prefixes after maximum aggregation:               31507
          APNIC Deaggregation factor:                                    3.10
      Prefixes being announced from the APNIC address blocks:           93918
          Unique aggregates announced from the APNIC address blocks:    39044
      APNIC Region origin ASes present in the Internet Routing Table:    4648
          APNIC Prefixes per ASN:                                       20.21
      APNIC Region origin ASes announcing only one prefix:               1238
      APNIC Region transit ASes present in the Internet Routing Table:    731
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    140
      Number of APNIC addresses announced to Internet:              635833440
          Equivalent to 37 /8s, 230 /16s and 12 /24s
          Percentage of available APNIC address space announced:         80.6
      
      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:                    148115
          Total ARIN prefixes after maximum aggregation:                75385
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           120087
          Unique aggregates announced from the ARIN address blocks:     49290
      ARIN Region origin ASes present in the Internet Routing Table:    14884
          ARIN Prefixes per ASN:                                         8.07
      ARIN Region origin ASes announcing only one prefix:                5683
      ARIN Region transit ASes present in the Internet Routing Table:    1577
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          22
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      15
      Number of ARIN addresses announced to Internet:               804133824
          Equivalent to 47 /8s, 238 /16s and 27 /24s
          Percentage of available ARIN address space announced:          63.9
      
      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,  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:                     98052
          Total RIPE prefixes after maximum aggregation:                52278
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:            89929
          Unique aggregates announced from the RIPE address blocks:     55955
      RIPE Region origin ASes present in the Internet Routing Table:    16285
          RIPE Prefixes per ASN:                                         5.52
      RIPE Region origin ASes announcing only one prefix:                7995
      RIPE Region transit ASes present in the Internet Routing Table:    2598
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1322
      Number of RIPE addresses announced to Internet:               498585736
          Equivalent to 29 /8s, 183 /16s and 208 /24s
          Percentage of available RIPE address space announced:          80.3
      
      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:                   38255
          Total LACNIC prefixes after maximum aggregation:               8059
          LACNIC Deaggregation factor:                                   4.75
      Prefixes being announced from the LACNIC address blocks:          37876
          Unique aggregates announced from the LACNIC address blocks:   19445
      LACNIC Region origin ASes present in the Internet Routing Table:   1569
          LACNIC Prefixes per ASN:                                      24.14
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   294
      Average LACNIC Region AS path length visible:                       4.3
          Max LACNIC Region AS path length visible:                        24
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   440
      Number of LACNIC addresses announced to Internet:              95986568
          Equivalent to 5 /8s, 184 /16s and 163 /24s
          Percentage of available LACNIC address space announced:        63.6
      
      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:                   8951
          Total AfriNIC prefixes after maximum aggregation:              2087
          AfriNIC Deaggregation factor:                                  4.29
      Prefixes being announced from the AfriNIC address blocks:          6957
          Unique aggregates announced from the AfriNIC address blocks:   2150
      AfriNIC Region origin ASes present in the Internet Routing Table:   512
          AfriNIC Prefixes per ASN:                                     13.59
      AfriNIC Region origin ASes announcing only one prefix:              163
      AfriNIC Region transit ASes present in the Internet Routing Table:  115
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             30867968
          Equivalent to 1 /8s, 215 /16s and 2 /24s
          Percentage of available AfriNIC address space announced:       46.0
      
      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     2474      11102         982   Korea Telecom (KIX)
      17974     1723        503          36   PT TELEKOMUNIKASI INDONESIA
       7545     1642        303          85   TPG Internet Pty Ltd
       4755     1529        385         155   TATA Communications formerly 
       7552     1408       1064           7   Vietel Corporation
       9829     1167        989          28   BSNL National Internet Backbo
       9583     1123         82         483   Sify Limited
       4808     1102       2051         313   CNCGROUP IP network: China169
      24560     1014        385         167   Bharti Airtel Ltd., Telemedia
      17488      934        161         224   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     3445       3807         201   bellsouth.net, inc. 
       7029     3211       1017         199   Windstream Communications Inc
      18566     2093        382         177   Covad Communications 
       1785     1865        680         125   PaeTec Communications, Inc.
      20115     1627       1552         627   Charter Communications 
       4323     1609       1062         384   Time Warner Telecom
      22773     1498       2910         109   Cox Communications, Inc.
      30036     1437        253         743   Mediacom Communications Corp 
      19262     1386       4683         400   Verizon Global Networks 
       7018     1305       7007         851   AT&T WorldNet Services
      
      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
       8402     1712        480          15   Corbina telecom
       2118     1391         99          14   EUnet/RELCOM Autonomous Syste
      15557     1096       2161          64   LDCOM NETWORKS
      34984      643        188         172   BILISIM TELEKOM
       6830      642       1927         412   UPC Distribution Services
      20940      602        195         467   Akamai Technologies European 
      12479      561        642          54   Uni2 Autonomous System
      31148      532         37           9   FreeNet ISP
       3320      531       8162         397   Deutsche Telekom AG
       8551      530        360          81   Bezeq International
      
      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     1735        323         170   TVCABLE BOGOTA 
      28573     1618       1083          72   NET Servicos de Comunicao S.A
       8151     1336       2995         344   UniNet S.A. de C.V. 
       7303     1260        757         180   Telecom Argentina Stet-France
      26615      887        640          33   Tim Brasil S.A.
      11172      697         95          75   Servicios Alestra S.A de C.V 
      27947      650         73          99   Telconet S.A
      22047      581        322          17   VTR PUNTO NET S.A. 
       3816      550        237          91   Empresa Nacional de Telecomun
       7738      550       1050          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
       8452     1131        958          13   TEDATA
      24863      834        155          43   LINKdotNET AS number
       6713      485        649          18   Itissalat Al-MAGHRIB
       3741      280        939         229   The Internet Solution 
      15706      238         32           6   Sudatel Internet Exchange Aut
      33776      237         13          13   Starcomms Nigeria Limited
      29571      214         17          12   Ci Telecom Autonomous system 
      12258      197         28          62   Vodacom Internet Company 
      24835      193         80           8   RAYA Telecom - Egypt
      16637      163        664          82   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     3445       3807         201   bellsouth.net, inc. 
       7029     3211       1017         199   Windstream Communications Inc
       4766     2474      11102         982   Korea Telecom (KIX)
      18566     2093        382         177   Covad Communications 
       1785     1865        680         125   PaeTec Communications, Inc.
      10620     1735        323         170   TVCABLE BOGOTA 
      17974     1723        503          36   PT TELEKOMUNIKASI INDONESIA
       8402     1712        480          15   Corbina telecom
       7545     1642        303          85   TPG Internet Pty Ltd
      20115     1627       1552         627   Charter Communications 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      3211        3012      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1865        1740      PaeTec Communications, Inc.
       8402      1712        1697      Corbina telecom
      17974      1723        1687      PT TELEKOMUNIKASI INDONESIA
      10620      1735        1565      TVCABLE BOGOTA 
       7545      1642        1557      TPG Internet Pty Ltd
      28573      1618        1546      NET Servicos de Comunicao S.A
       4766      2474        1492      Korea Telecom (KIX)
       7552      1408        1401      Vietel Corporation
      
      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
      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
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      37.77.128.0/21        8492     Siris
      37.77.152.0/21       44176     RIPE Network Coordination Cen
      
      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       /9:12      /10:27      /11:80      /12:231     
      /13:458     /14:817     /15:1466    /16:12151   /17:6170    /18:10294   
      /19:20359   /20:28181   /21:29140   /22:39550   /23:36869   /24:206457  
      /25:1189    /26:1430    /27:786     /28:43      /29:59      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2841          3211      Windstream Communications Inc
       6389     2115          3445      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
       8402     1691          1712      Corbina telecom
      10620     1629          1735      TVCABLE BOGOTA 
      30036     1396          1437      Mediacom Communications Corp 
      11492     1117          1154      Cable One 
       1785     1063          1865      PaeTec Communications, Inc.
      15557     1046          1096      LDCOM NETWORKS
       7011     1033          1149      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:499       2:475       4:14        5:1         6:3         8:378    
        12:1954     13:1        14:595      15:11       16:3        17:6      
        20:9        23:125      24:1725     27:1187     31:852      32:65     
        33:2        34:2        36:9        37:161      38:791      40:114    
        41:3108     42:92       43:1        44:3        46:1279     47:3      
        49:322      50:514      52:13       54:2        55:8        56:3      
        57:38       58:958      59:491      60:344      61:1186     62:927    
        63:2000     64:4147     65:2287     66:4421     67:2048     68:1167   
        69:3149     70:916      71:410      72:1794     74:2646     75:452    
        76:323      77:963      78:913      79:498      80:1221     81:877    
        82:562      83:538      84:582      85:1163     86:746      87:910    
        88:341      89:1539     90:253      91:4473     92:540      93:1555   
        94:1338     95:1134     96:417      97:310      98:811      99:38     
       100:20      101:138     103:737     106:4       107:143     108:142    
       109:1467    110:687     111:837     112:429     113:525     114:596    
       115:757     116:860     117:722     118:906     119:1249    120:356    
       121:682     122:1627    123:1064    124:1338    125:1360    128:538    
       129:189     130:213     131:590     132:164     133:21      134:231    
       135:59      136:214     137:152     138:285     139:140     140:489    
       141:261     142:378     143:400     144:509     145:70      146:484    
       147:227     148:724     149:274     150:168     151:194     152:446    
       153:170     154:7       155:398     156:211     157:367     158:156    
       159:513     160:329     161:243     162:341     163:188     164:532    
       165:397     166:556     167:455     168:765     169:147     170:833    
       171:110     172:4       173:1757    174:591     175:414     176:468    
       177:470     178:1246    180:1176    181:64      182:703     183:274    
       184:430     185:1       186:2028    187:853     188:1030    189:1168   
       190:5444    192:5979    193:5525    194:4330    195:3390    196:1299   
       197:180     198:3615    199:4359    200:5710    201:1728    202:8404   
       203:8598    204:4343    205:2443    206:2747    207:2817    208:4064   
       209:3558    210:2724    211:1475    212:1976    213:1841    214:855    
       215:93      216:4984    217:1472    218:553     219:341     220:1243   
       221:555     222:321     223:274    
      
      End of report