[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, 2 Oct 2010 04:58:43 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 02 Oct, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              332569
          Prefixes after maximum aggregation:                          152883
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     163430
      Total ASes present in the Internet Routing Table:                 34884
          Prefixes per ASN:                                              9.53
      Origin-only ASes present in the Internet Routing Table:           30253
      Origin ASes announcing only one prefix:                           14676
      Transit ASes present in the Internet Routing Table:                4631
      Transit-only ASes present in the Internet Routing Table:            102
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:              3584
          Unregistered ASNs in the Routing Table:                        1563
      Number of 32-bit ASNs allocated by the RIRs:                        804
      Prefixes from 32-bit ASNs in the Routing Table:                    1114
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            226
      Number of addresses announced to Internet:                   2276381248
          Equivalent to 135 /8s, 174 /16s and 210 /24s
          Percentage of available address space announced:               61.4
          Percentage of allocated address space announced:               65.6
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               85.0
      Total number of prefixes smaller than registry allocations:      157088
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    81203
          Total APNIC prefixes after maximum aggregation:               27834
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           78077
          Unique aggregates announced from the APNIC address blocks:    34231
      APNIC Region origin ASes present in the Internet Routing Table:    4198
          APNIC Prefixes per ASN:                                       18.60
      APNIC Region origin ASes announcing only one prefix:               1168
      APNIC Region transit ASes present in the Internet Routing Table:    650
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              551534112
          Equivalent to 32 /8s, 223 /16s and 190 /24s
          Percentage of available APNIC address space announced:         78.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  14/8,  27/8,  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:                    136044
          Total ARIN prefixes after maximum aggregation:                70193
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108795
          Unique aggregates announced from the ARIN address blocks:     43480
      ARIN Region origin ASes present in the Internet Routing Table:    13926
          ARIN Prefixes per ASN:                                         7.81
      ARIN Region origin ASes announcing only one prefix:                5321
      ARIN Region transit ASes present in the Internet Routing Table:    1374
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               735644704
          Equivalent to 43 /8s, 217 /16s and 12 /24s
          Percentage of available ARIN address space announced:          62.6
      
      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:                     76257
          Total RIPE prefixes after maximum aggregation:                44237
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            69692
          Unique aggregates announced from the RIPE address blocks:     45701
      RIPE Region origin ASes present in the Internet Routing Table:    14833
          RIPE Prefixes per ASN:                                         4.70
      RIPE Region origin ASes announcing only one prefix:                7643
      RIPE Region transit ASes present in the Internet Routing Table:    2238
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               440007168
          Equivalent to 26 /8s, 57 /16s and 250 /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, 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:                   30341
          Total LACNIC prefixes after maximum aggregation:               7326
          LACNIC Deaggregation factor:                                   4.14
      Prefixes being announced from the LACNIC address blocks:          28839
          Unique aggregates announced from the LACNIC address blocks:   15055
      LACNIC Region origin ASes present in the Internet Routing Table:   1353
          LACNIC Prefixes per ASN:                                      21.31
      LACNIC Region origin ASes announcing only one prefix:               419
      LACNIC Region transit ASes present in the Internet Routing Table:   233
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              75693952
          Equivalent to 4 /8s, 130 /16s and 255 /24s
          Percentage of available LACNIC address space announced:        56.4
      
      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:                   7356
          Total AfriNIC prefixes after maximum aggregation:              1891
          AfriNIC Deaggregation factor:                                  3.89
      Prefixes being announced from the AfriNIC address blocks:          5662
          Unique aggregates announced from the AfriNIC address blocks:   1688
      AfriNIC Region origin ASes present in the Internet Routing Table:   407
          AfriNIC Prefixes per ASN:                                     13.91
      AfriNIC Region origin ASes announcing only one prefix:              125
      AfriNIC Region transit ASes present in the Internet Routing Table:   91
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       17
      Number of AfriNIC addresses announced to Internet:             20910336
          Equivalent to 1 /8s, 63 /16s and 17 /24s
          Percentage of available AfriNIC address space announced:       62.3
      
      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     1861       9436         505   Korea Telecom (KIX)
       7545     1409        297          82   TPG Internet Pty Ltd
       4755     1357        368         163   TATA Communications formerly 
      17488     1347        155         124   Hathway IP Over Cable Interne
      17974     1251        301          85   PT TELEKOMUNIKASI INDONESIA
      24560     1040        303         179   Bharti Airtel Ltd., Telemedia
       9583     1029         77         495   Sify Limited
       4808      936       1714         261   CNCGROUP IP network: China169
      18101      882        100         132   Reliance Infocom Ltd Internet
       9829      820        692          33   BSNL National Internet Backbo
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3775       3666         277   bellsouth.net, inc. 
       4323     2712       1106         389   Time Warner Telecom
      19262     1821       4708         285   Verizon Global Networks 
       1785     1796        698         131   PaeTec Communications, Inc.
      20115     1491       1530         650   Charter Communications 
       7018     1490       5731         956   AT&T WorldNet Services
       6478     1354        275         136   AT&T Worldnet Services 
       2386     1297        555         915   AT&T Data Communications Serv
      11492     1218        229          78   Cable One 
      22773     1200       2858          61   Cox Communications, Inc.
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      448       2026         389   TDC Tele Danmark
       8866      417        117          21   Bulgarian Telecommunication C
        702      405       1869         319   UUNET - Commercial IP service
       8551      402        353          46   Bezeq International
      34984      379         90         185   BILISIM TELEKOM
       3301      377       1688         333   TeliaNet Sweden
      30890      374         79         203   Evolva Telecom
       3320      371       7328         322   Deutsche Telekom AG
      12479      368        576           5   Uni2 Autonomous System
      31148      352         18          77   FreeNet ISP
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1339       2559         367   UniNet S.A. de C.V. 
      10620     1324        248         149   TVCABLE BOGOTA 
      28573     1168        893          92   NET Servicos de Comunicao S.A
       7303      810        424         102   Telecom Argentina Stet-France
       6503      755        223         258   AVANTEL, S.A. 
      14420      563         39          81   CORPORACION NACIONAL DE TELEC
      22047      561        310          15   VTR PUNTO NET S.A. 
       3816      483        210          94   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      445         99          76   Servicios Alestra S.A de C.V 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1008        445          10   TEDATA
      24863      737        147          39   LINKdotNET AS number
      36992      652        279         181   Etisalat MISR
       3741      266        906         224   The Internet Solution 
       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
      24835      163         78           9   RAYA Telecom - Egypt
      16637      154        440          92   MTN Network Solutions
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3775       3666         277   bellsouth.net, inc. 
       4323     2712       1106         389   Time Warner Telecom
       4766     1861       9436         505   Korea Telecom (KIX)
      19262     1821       4708         285   Verizon Global Networks 
       1785     1796        698         131   PaeTec Communications, Inc.
      20115     1491       1530         650   Charter Communications 
       7018     1490       5731         956   AT&T WorldNet Services
       7545     1409        297          82   TPG Internet Pty Ltd
       4755     1357        368         163   TATA Communications formerly 
       6478     1354        275         136   AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2712        2323      Time Warner Telecom
       1785      1796        1665      PaeTec Communications, Inc.
      19262      1821        1536      Verizon Global Networks 
       4766      1861        1356      Korea Telecom (KIX)
       7545      1409        1327      TPG Internet Pty Ltd
      17488      1347        1223      Hathway IP Over Cable Interne
       6478      1354        1218      AT&T Worldnet Services 
       4755      1357        1194      TATA Communications formerly 
      10620      1324        1175      TVCABLE BOGOTA 
      17974      1251        1166      PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      40331   UNALLOCATED  8.11.167.0/24         7018       AT&T WorldNet Servic
      11946   UNALLOCATED  8.12.155.0/24        40913       Quality Technology S
      15040   UNALLOCATED  8.12.156.0/24         3356       Level 3 Communicatio
      33084   UNALLOCATED  8.15.195.0/24         3356       Level 3 Communicatio
      18826   UNALLOCATED  8.17.208.0/20         2828       XO Communications 
      16734   UNALLOCATED  8.18.204.0/24        26914       Global Netoptex, Inc
      53562   UNALLOCATED  8.19.94.0/24          3356       Level 3 Communicatio
      23200   UNALLOCATED  8.20.243.0/24        25653       Pegasus Web Technolo
      22015   UNALLOCATED  8.22.137.0/24        14989       Broadview Networks 
      46856   UNALLOCATED  8.22.184.0/22         3356       Level 3 Communicatio
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.196.0/24      36990     Alkan Telecom Ltd
      41.223.197.0/24      36990     Alkan Telecom Ltd
      41.223.198.0/24      36990     Alkan Telecom Ltd
      41.223.199.0/24      36990     Alkan Telecom Ltd
      46.16.64.0/22        28703     Joint Stock Company "UralInte
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:10      /10:25      /11:67      /12:203     
      /13:422     /14:732     /15:1325    /16:11292   /17:5465    /18:9287    
      /19:18481   /20:23594   /21:23820   /22:31164   /23:30460   /24:173233  
      /25:1021    /26:1138    /27:584     /28:170     /29:47      /30:3       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2403          3775      bellsouth.net, inc. 
       4766     1478          1861      Korea Telecom (KIX)
       4323     1369          2712      Time Warner Telecom
       1785     1259          1796      PaeTec Communications, Inc.
      10620     1212          1324      TVCABLE BOGOTA 
      11492     1105          1218      Cable One 
      17488     1087          1347      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
      24560      941          1040      Bharti Airtel Ltd., Telemedia
       8452      922          1008      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:74        2:15        4:13        8:309      12:2014     13:8      
        14:13       15:20       16:3        17:9        20:8        24:1376   
        27:354      31:1        32:61       33:12       38:700      40:97     
        41:2467     44:3        46:140      47:10       49:4        52:12     
        55:5        56:2        57:29       58:827      59:505      60:478    
        61:1087     62:1045     63:1970     64:3727     65:2290     66:4043   
        67:1843     68:1138     69:2832     70:741      71:375      72:1944   
        73:2        74:2312     75:289      76:322      77:870      78:677    
        79:421      80:1016     81:800      82:505      83:454      84:680    
        85:1038     86:432      87:681      88:325      89:1557     90:104    
        91:3072     92:430      93:1004     94:1092     95:728      96:398    
        97:219      98:633      99:32      101:3       108:64      109:709    
       110:432     111:596     112:295     113:288     114:476     115:600    
       116:1105    117:659     118:531     119:971     120:178     121:716    
       122:1549    123:916     124:1228    125:1273    128:228     129:157    
       130:172     131:558     132:257     133:20      134:207     135:46     
       136:224     137:140     138:275     139:109     140:480     141:196    
       142:348     143:352     144:482     145:54      146:429     147:169    
       148:628     149:304     150:152     151:233     152:291     153:171    
       154:3       155:367     156:169     157:335     158:112     159:357    
       160:315     161:190     162:267     163:165     164:417     165:366    
       166:467     167:409     168:677     169:156     170:719     171:62     
       172:2       173:1086    174:558     175:176     176:1       177:1      
       178:518     180:677     181:1       182:228     183:258     184:156    
       186:685     187:501     188:825     189:805     190:4134    192:5776   
       193:4738    194:3432    195:2828    196:1202    198:3557    199:3591   
       200:5411    201:1581    202:8079    203:8302    204:4016    205:2396   
       206:2529    207:3040    208:3888    209:3496    210:2559    211:1283   
       212:1777    213:1701    214:665     215:66      216:4742    217:1569   
       218:491     219:401     220:1170    221:427     222:341     223:46     
      
      
      End of report