[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, 28 Aug 2010 04:32:14 +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 28 Aug, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              329510
          Prefixes after maximum aggregation:                          151625
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     161906
      Total ASes present in the Internet Routing Table:                 34686
          Prefixes per ASN:                                              9.50
      Origin-only ASes present in the Internet Routing Table:           30086
      Origin ASes announcing only one prefix:                           14608
      Transit ASes present in the Internet Routing Table:                4600
      Transit-only ASes present in the Internet Routing Table:            106
      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:              1590
          Unregistered ASNs in the Routing Table:                         797
      Number of 32-bit ASNs allocated by the RIRs:                        748
      Prefixes from 32-bit ASNs in the Routing Table:                     962
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            170
      Number of addresses announced to Internet:                   2293803456
          Equivalent to 136 /8s, 184 /16s and 169 /24s
          Percentage of available address space announced:               61.9
          Percentage of allocated address space announced:               66.1
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.5
      Total number of prefixes smaller than registry allocations:      156020
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    80080
          Total APNIC prefixes after maximum aggregation:               27494
          APNIC Deaggregation factor:                                    2.91
      Prefixes being announced from the APNIC address blocks:           77020
          Unique aggregates announced from the APNIC address blocks:    33981
      APNIC Region origin ASes present in the Internet Routing Table:    4178
          APNIC Prefixes per ASN:                                       18.43
      APNIC Region origin ASes announcing only one prefix:               1167
      APNIC Region transit ASes present in the Internet Routing Table:    640
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              541736480
          Equivalent to 32 /8s, 74 /16s and 62 /24s
          Percentage of available APNIC address space announced:         76.9
      
      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:                    135692
          Total ARIN prefixes after maximum aggregation:                69900
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108438
          Unique aggregates announced from the ARIN address blocks:     42670
      ARIN Region origin ASes present in the Internet Routing Table:    13878
          ARIN Prefixes per ASN:                                         7.81
      ARIN Region origin ASes announcing only one prefix:                5319
      ARIN Region transit ASes present in the Internet Routing Table:    1380
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               732630688
          Equivalent to 43 /8s, 171 /16s and 14 /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:                     75384
          Total RIPE prefixes after maximum aggregation:                44003
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            68841
          Unique aggregates announced from the RIPE address blocks:     45070
      RIPE Region origin ASes present in the Internet Routing Table:    14722
          RIPE Prefixes per ASN:                                         4.68
      RIPE Region origin ASes announcing only one prefix:                7583
      RIPE Region transit ASes present in the Internet Routing Table:    2207
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               436405504
          Equivalent to 26 /8s, 3 /16s and 5 /24s
          Percentage of available RIPE address space announced:          76.5
      
      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, 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:                   29777
          Total LACNIC prefixes after maximum aggregation:               7078
          LACNIC Deaggregation factor:                                   4.21
      Prefixes being announced from the LACNIC address blocks:          28269
          Unique aggregates announced from the LACNIC address blocks:   15311
      LACNIC Region origin ASes present in the Internet Routing Table:   1338
          LACNIC Prefixes per ASN:                                      21.13
      LACNIC Region origin ASes announcing only one prefix:               414
      LACNIC Region transit ASes present in the Internet Routing Table:   237
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              76818560
          Equivalent to 4 /8s, 148 /16s and 40 /24s
          Percentage of available LACNIC address space announced:        57.2
      
      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:                   7369
          Total AfriNIC prefixes after maximum aggregation:              1886
          AfriNIC Deaggregation factor:                                  3.91
      Prefixes being announced from the AfriNIC address blocks:          5717
          Unique aggregates announced from the AfriNIC address blocks:   1722
      AfriNIC Region origin ASes present in the Internet Routing Table:   397
          AfriNIC Prefixes per ASN:                                     14.40
      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:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             20112896
          Equivalent to 1 /8s, 50 /16s and 230 /24s
          Percentage of available AfriNIC address space announced:       59.9
      
      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         498   Korea Telecom (KIX)
       4755     1482        302         162   TATA Communications formerly 
       7545     1385        234          86   TPG Internet Pty Ltd
      17488     1342        153         130   Hathway IP Over Cable Interne
      17974     1168        295          81   PT TELEKOMUNIKASI INDONESIA
       9583     1017         76         490   Sify Limited
      24560      998        303         179   Bharti Airtel Ltd., Telemedia
       4808      917       1692         247   CNCGROUP IP network: China169
       9829      818        689          36   BSNL National Internet Backbo
       4134      785      22475         418   CHINANET-BACKBONE
      
      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     3843       3668         277   bellsouth.net, inc. 
       4323     2701       1115         393   Time Warner Telecom
      19262     1802       4626         276   Verizon Global Networks 
       1785     1791        698         131   PaeTec Communications, Inc.
      20115     1493       1529         653   Charter Communications 
       7018     1470       5734         953   AT&T WorldNet Services
       6478     1308        274         118   AT&T Worldnet Services 
       2386     1289        554         907   AT&T Data Communications Serv
      11492     1239        214         119   Cable One 
      22773     1180       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      449       2026         390   TDC Tele Danmark
      30890      443         99         211   Evolva Telecom
        702      407       1870         324   UUNET - Commercial IP service
       8866      403        117          18   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
       3320      376       7329         325   Deutsche Telekom AG
       3301      374       1416         329   TeliaNet Sweden
      34984      367         89         185   BILISIM TELEKOM
      12479      350        576           5   Uni2 Autonomous System
      31148      326         17          80   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     1526       3049         246   UniNet S.A. de C.V. 
      10620     1102        246         148   TVCABLE BOGOTA 
      28573     1025        833         111   NET Servicos de Comunicao S.A
       6503      835        187         257   AVANTEL, S.A. 
       7303      791        408         101   Telecom Argentina Stet-France
      14420      553         35          76   CORPORACION NACIONAL DE TELEC
      22047      551        310          15   VTR PUNTO NET S.A. 
       3816      477        210         100   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     1145        445          10   TEDATA
      24863      725        147          39   LINKdotNET AS number
      36992      661        279         185   Etisalat MISR
       3741      267        907         225   The Internet Solution 
      33776      209         12          12   Starcomms Nigeria Limited
       2018      197        277          64   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      29571      193         19          11   Ci Telecom Autonomous system 
      24835      190         78           9   RAYA Telecom - Egypt
      16637      147        440          96   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     3843       3668         277   bellsouth.net, inc. 
       4323     2701       1115         393   Time Warner Telecom
       4766     1866       8412         498   Korea Telecom (KIX)
      19262     1802       4626         276   Verizon Global Networks 
       1785     1791        698         131   PaeTec Communications, Inc.
       8151     1526       3049         246   UniNet S.A. de C.V. 
      20115     1493       1529         653   Charter Communications 
       4755     1482        302         162   TATA Communications formerly 
       7018     1470       5734         953   AT&T WorldNet Services
       7545     1385        234          86   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      2701        2308      Time Warner Telecom
       1785      1791        1660      PaeTec Communications, Inc.
      19262      1802        1526      Verizon Global Networks 
       4766      1866        1368      Korea Telecom (KIX)
       4755      1482        1320      TATA Communications formerly 
       7545      1385        1299      TPG Internet Pty Ltd
       8151      1526        1280      UniNet S.A. de C.V. 
      17488      1342        1212      Hathway IP Over Cable Interne
       6478      1308        1190      AT&T Worldnet Services 
       8452      1145        1135      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         3561       Savvis
      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        /8:21       /9:10      /10:25      /11:67      /12:198     
      /13:414     /14:721     /15:1314    /16:11254   /17:5413    /18:9271    
      /19:18630   /20:23332   /21:23461   /22:30502   /23:29899   /24:171828  
      /25:1059    /26:1198    /27:718     /28:115     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2459          3843      bellsouth.net, inc. 
       4766     1488          1866      Korea Telecom (KIX)
       4323     1365          2701      Time Warner Telecom
       1785     1254          1791      PaeTec Communications, Inc.
      11492     1091          1239      Cable One 
      17488     1084          1342      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
       8452     1036          1145      TEDATA
      10620     1015          1102      TVCABLE BOGOTA 
      24560      897           998      Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:56        2:2         4:13        8:303      12:2014     13:8      
        14:1        15:21       16:3        17:9        20:7        24:1436   
        27:289      31:1        32:61       33:22       38:695      40:97     
        41:2521     44:3        46:45       47:16       52:12       55:7      
        56:2        57:28       58:801      59:503      60:460      61:1074   
        62:1086     63:1975     64:3740     65:2323     66:4032     67:1839   
        68:1122     69:2788     70:743      71:372      72:1940     73:2      
        74:2320     75:274      76:327      77:882      78:624      79:437    
        80:1038     81:804      82:503      83:510      84:691      85:1043   
        86:481      87:696      88:317      89:1532     90:97       91:2989   
        92:423      93:985      94:1161     95:679      96:489      97:217    
        98:621      99:34      108:64      109:651     110:456     111:556    
       112:279     113:314     114:451     115:573     116:1095    117:658    
       118:484     119:895     120:141     121:708     122:1540    123:955    
       124:1119    125:1242    128:226     129:158     130:199     131:540    
       132:247     133:17      134:195     135:45      136:236     137:136    
       138:264     139:105     140:476     141:197     142:344     143:351    
       144:471     145:52      146:427     147:170     148:679     149:305    
       150:153     151:233     152:299     153:169     154:3       155:361    
       156:165     157:328     158:118     159:358     160:315     161:183    
       162:269     163:167     164:416     165:369     166:467     167:423    
       168:654     169:158     170:722     171:61      172:2       173:1008   
       174:502     175:155     176:1       177:1       178:435     180:586    
       181:1       182:234     183:237     184:204     186:565     187:453    
       188:797     189:757     190:3978    192:5764    193:4754    194:3427   
       195:2788    196:1172    198:3577    199:3579    200:5430    201:1580   
       202:8055    203:8300    204:4010    205:2398    206:2534    207:3077   
       208:3887    209:3469    210:2561    211:1297    212:1754    213:1683   
       214:658     215:67      216:4775    217:1576    218:478     219:379    
       220:1140    221:388     222:290     223:7      
      
      End of report