[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 4 Sep 2010 04:38:23 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 04 Sep, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              330158
          Prefixes after maximum aggregation:                          151682
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     162121
      Total ASes present in the Internet Routing Table:                 34721
          Prefixes per ASN:                                              9.51
      Origin-only ASes present in the Internet Routing Table:           30112
      Origin ASes announcing only one prefix:                           14633
      Transit ASes present in the Internet Routing Table:                4609
      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:              1987
          Unregistered ASNs in the Routing Table:                         969
      Number of 32-bit ASNs allocated by the RIRs:                        757
      Prefixes from 32-bit ASNs in the Routing Table:                     991
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            191
      Number of addresses announced to Internet:                   2279348416
          Equivalent to 135 /8s, 220 /16s and 24 /24s
          Percentage of available address space announced:               61.5
          Percentage of allocated address space announced:               65.7
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.6
      Total number of prefixes smaller than registry allocations:      156259
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    80332
          Total APNIC prefixes after maximum aggregation:               27557
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           77315
          Unique aggregates announced from the APNIC address blocks:    34057
      APNIC Region origin ASes present in the Internet Routing Table:    4177
          APNIC Prefixes per ASN:                                       18.51
      APNIC Region origin ASes announcing only one prefix:               1170
      APNIC Region transit ASes present in the Internet Routing Table:    642
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         16
      Number of APNIC addresses announced to Internet:              543003680
          Equivalent to 32 /8s, 93 /16s and 148 /24s
          Percentage of available APNIC address space announced:         77.1
      
      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:                    135713
          Total ARIN prefixes after maximum aggregation:                69909
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108391
          Unique aggregates announced from the ARIN address blocks:     42744
      ARIN Region origin ASes present in the Internet Routing Table:    13888
          ARIN Prefixes per ASN:                                         7.80
      ARIN Region origin ASes announcing only one prefix:                5328
      ARIN Region transit ASes present in the Internet Routing Table:    1377
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               733182368
          Equivalent to 43 /8s, 179 /16s and 121 /24s
          Percentage of available ARIN address space announced:          62.4
      
      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:                     75380
          Total RIPE prefixes after maximum aggregation:                43966
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            68844
          Unique aggregates announced from the RIPE address blocks:     45168
      RIPE Region origin ASes present in the Internet Routing Table:    14750
          RIPE Prefixes per ASN:                                         4.67
      RIPE Region origin ASes announcing only one prefix:                7592
      RIPE Region transit ASes present in the Internet Routing Table:    2218
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               436878592
          Equivalent to 26 /8s, 10 /16s and 61 /24s
          Percentage of available RIPE address space announced:          76.6
      
      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:                   30075
          Total LACNIC prefixes after maximum aggregation:               7082
          LACNIC Deaggregation factor:                                   4.25
      Prefixes being announced from the LACNIC address blocks:          28605
          Unique aggregates announced from the LACNIC address blocks:   15336
      LACNIC Region origin ASes present in the Internet Routing Table:   1342
          LACNIC Prefixes per ASN:                                      21.32
      LACNIC Region origin ASes announcing only one prefix:               417
      LACNIC Region transit ASes present in the Internet Routing Table:   235
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              77005696
          Equivalent to 4 /8s, 151 /16s and 3 /24s
          Percentage of available LACNIC address space announced:        57.4
      
      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:                   7421
          Total AfriNIC prefixes after maximum aggregation:              1872
          AfriNIC Deaggregation factor:                                  3.96
      Prefixes being announced from the AfriNIC address blocks:          5738
          Unique aggregates announced from the AfriNIC address blocks:   1658
      AfriNIC Region origin ASes present in the Internet Routing Table:   397
          AfriNIC Prefixes per ASN:                                     14.45
      AfriNIC Region origin ASes announcing only one prefix:              126
      AfriNIC Region transit ASes present in the Internet Routing Table:   89
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             20221952
          Equivalent to 1 /8s, 52 /16s and 144 /24s
          Percentage of available AfriNIC address space announced:       60.3
      
      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     1866       8412         500   Korea Telecom (KIX)
       4755     1483        303         164   TATA Communications formerly 
       7545     1367        233          82   TPG Internet Pty Ltd
      17488     1346        153         128   Hathway IP Over Cable Interne
      17974     1206        296          82   PT TELEKOMUNIKASI INDONESIA
      24560     1020        303         179   Bharti Airtel Ltd., Telemedia
       9583     1017         76         490   Sify Limited
       4808      933       1713         260   CNCGROUP IP network: China169
      18101      844         95         126   Reliance Infocom Ltd Internet
       9829      819        690          35   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     3826       3667         273   bellsouth.net, inc. 
       4323     2703       1107         392   Time Warner Telecom
      19262     1812       4643         282   Verizon Global Networks 
       1785     1790        698         131   PaeTec Communications, Inc.
      20115     1491       1528         651   Charter Communications 
       7018     1474       5734         951   AT&T WorldNet Services
       6478     1332        275         109   AT&T Worldnet Services 
       2386     1287        554         905   AT&T Data Communications Serv
      11492     1189        226          89   Cable One 
      22773     1181       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       2018         389   TDC Tele Danmark
      30890      444        100         212   Evolva Telecom
        702      411       1869         324   UUNET - Commercial IP service
       8551      403        353          47   Bezeq International
       8866      403        117          18   Bulgarian Telecommunication C
       3301      374       1416         329   TeliaNet Sweden
       3320      372       7328         322   Deutsche Telekom AG
      34984      372         90         184   BILISIM TELEKOM
      12479      352        576           5   Uni2 Autonomous System
      31148      331         17          76   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     1525       3049         245   UniNet S.A. de C.V. 
      10620     1204        247         148   TVCABLE BOGOTA 
      28573     1123        863         111   NET Servicos de Comunicao S.A
       6503      874        188         272   AVANTEL, S.A. 
       7303      795        408         102   Telecom Argentina Stet-France
      14420      565         36          76   CORPORACION NACIONAL DE TELEC
      22047      555        310          15   VTR PUNTO NET S.A. 
       3816      477        210          94   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      444         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     1149        445          10   TEDATA
      24863      725        147          39   LINKdotNET AS number
      36992      662        279         177   Etisalat MISR
       3741      266        906         224   The Internet Solution 
      33776      209         12          12   Starcomms Nigeria Limited
       6713      203        199          12   Itissalat Al-MAGHRIB
       2018      197        277          64   Tertiary Education Network 
      29571      193         19          11   Ci Telecom Autonomous system 
      24835      190         78           9   RAYA Telecom - Egypt
      16637      150        440          98   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     3826       3667         273   bellsouth.net, inc. 
       4323     2703       1107         392   Time Warner Telecom
       4766     1866       8412         500   Korea Telecom (KIX)
      19262     1812       4643         282   Verizon Global Networks 
       1785     1790        698         131   PaeTec Communications, Inc.
       8151     1525       3049         245   UniNet S.A. de C.V. 
      20115     1491       1528         651   Charter Communications 
       4755     1483        303         164   TATA Communications formerly 
       7018     1474       5734         951   AT&T WorldNet Services
       7545     1367        233          82   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2703        2311      Time Warner Telecom
       1785      1790        1659      PaeTec Communications, Inc.
      19262      1812        1530      Verizon Global Networks 
       4766      1866        1366      Korea Telecom (KIX)
       4755      1483        1319      TATA Communications formerly 
       7545      1367        1285      TPG Internet Pty Ltd
       8151      1525        1280      UniNet S.A. de C.V. 
       6478      1332        1223      AT&T Worldnet Services 
      17488      1346        1218      Hathway IP Over Cable Interne
       8452      1149        1139      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      11946   UNALLOCATED  8.12.155.0/24        40913       Quality Technology S
      33084   UNALLOCATED  8.15.195.0/24         3356       Level 3 Communicatio
      16734   UNALLOCATED  8.18.204.0/24        26914       Global Netoptex, Inc
      22015   UNALLOCATED  8.22.137.0/24        14989       Broadview Networks 
      46856   UNALLOCATED  8.22.184.0/22         3356       Level 3 Communicatio
      26169   UNALLOCATED  8.225.177.0/24       20225       TelJet 
      32249   UNALLOCATED  8.225.178.0/24        3356       Level 3 Communicatio
      16927   UNALLOCATED  12.0.252.0/23         7018       AT&T WorldNet Servic
      46883   UNALLOCATED  12.4.222.0/24         7018       AT&T WorldNet Servic
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      
      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<<
      41.223.189.0/24       6453     Teleglobe Inc. 
      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
      
      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        /8:20       /9:10      /10:25      /11:67      /12:198     
      /13:414     /14:724     /15:1315    /16:11259   /17:5420    /18:9283    
      /19:18666   /20:23423   /21:23540   /22:30709   /23:29993   /24:171963  
      /25:1061    /26:1173    /27:719     /28:116     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2445          3826      bellsouth.net, inc. 
       4766     1488          1866      Korea Telecom (KIX)
       4323     1366          2703      Time Warner Telecom
       1785     1253          1790      PaeTec Communications, Inc.
      11492     1093          1189      Cable One 
      10620     1092          1204      TVCABLE BOGOTA 
      17488     1088          1346      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
       8452     1040          1149      TEDATA
      24560      921          1020      Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:60        2:8         4:13        8:303      12:2017     13:8      
        14:1        15:21       16:3        17:9        20:7        24:1438   
        27:298      31:1        32:61       33:22       38:692      40:97     
        41:2519     44:3        46:55       47:16       52:12       55:5      
        56:2        57:28       58:805      59:504      60:470      61:1078   
        62:1038     63:1971     64:3734     65:2307     66:3975     67:1870   
        68:1135     69:2778     70:743      71:372      72:1940     73:2      
        74:2306     75:275      76:331      77:915      78:635      79:435    
        80:1016     81:774      82:501      83:438      84:687      85:1040   
        86:486      87:692      88:318      89:1536     90:96       91:2996   
        92:426      93:982      94:1166     95:683      96:507      97:218    
        98:622      99:34      108:64      109:669     110:481     111:570    
       112:283     113:316     114:450     115:579     116:1101    117:657    
       118:507     119:884     120:141     121:707     122:1537    123:961    
       124:1204    125:1244    128:226     129:158     130:170     131:538    
       132:246     133:17      134:196     135:46      136:221     137:137    
       138:272     139:105     140:478     141:196     142:343     143:351    
       144:472     145:53      146:427     147:169     148:677     149:307    
       150:153     151:233     152:298     153:169     154:3       155:360    
       156:167     157:332     158:110     159:358     160:313     161:183    
       162:269     163:167     164:415     165:368     166:468     167:423    
       168:667     169:157     170:725     171:61      172:2       173:1034   
       174:476     175:161     176:1       177:1       178:442     180:604    
       181:1       182:207     183:232     184:153     186:582     187:514    
       188:799     189:800     190:4020    192:5764    193:4748    194:3429   
       195:2793    196:1190    198:3575    199:3560    200:5451    201:1590   
       202:8053    203:8275    204:4011    205:2387    206:2530    207:3068   
       208:3869    209:3467    210:2547    211:1295    212:1743    213:1667   
       214:655     215:67      216:4791    217:1581    218:471     219:394    
       220:1141    221:387     222:313     223:27     
      
      End of report