[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
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 5 Dec 2009 06:34:27 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      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 05 Dec, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              305390
          Prefixes after maximum aggregation:                          142337
          Deaggregation factor:                                          2.15
          Unique aggregates announced to Internet:                     150539
      Total ASes present in the Internet Routing Table:                 32849
          Prefixes per ASN:                                              9.30
      Origin-only ASes present in the Internet Routing Table:           28510
      Origin ASes announcing only one prefix:                           13915
      Transit ASes present in the Internet Routing Table:                4339
      Transit-only ASes present in the Internet Routing Table:            103
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      39
          Max AS path prepend of ASN (22394)                               36
      Prefixes from unregistered ASNs in the Routing Table:              1081
          Unregistered ASNs in the Routing Table:                         172
      Number of 32-bit ASNs allocated by the RIRs:                        342
      Prefixes from 32-bit ASNs in the Routing Table:                     281
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            174
      Number of addresses announced to Internet:                   2139389760
          Equivalent to 127 /8s, 132 /16s and 127 /24s
          Percentage of available address space announced:               57.7
          Percentage of allocated address space announced:               65.4
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.2
      Total number of prefixes smaller than registry allocations:      146684
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    72874
          Total APNIC prefixes after maximum aggregation:               25430
          APNIC Deaggregation factor:                                    2.87
      Prefixes being announced from the APNIC address blocks:           69560
          Unique aggregates announced from the APNIC address blocks:    30973
      APNIC Region origin ASes present in the Internet Routing Table:    3883
          APNIC Prefixes per ASN:                                       17.91
      APNIC Region origin ASes announcing only one prefix:               1057
      APNIC Region transit ASes present in the Internet Routing Table:    601
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         23
      Number of APNIC addresses announced to Internet:              483411744
          Equivalent to 28 /8s, 208 /16s and 71 /24s
          Percentage of available APNIC address space announced:         80.0
      
      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    43/8,  58/8,  59/8,  60/8,  61/8, 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,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    128363
          Total ARIN prefixes after maximum aggregation:                67377
          ARIN Deaggregation factor:                                     1.91
      Prefixes being announced from the ARIN address blocks:           102877
          Unique aggregates announced from the ARIN address blocks:     38831
      ARIN Region origin ASes present in the Internet Routing Table:    13385
          ARIN Prefixes per ASN:                                         7.69
      ARIN Region origin ASes announcing only one prefix:                5182
      ARIN Region transit ASes present in the Internet Routing Table:    1326
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          39
      Number of ARIN addresses announced to Internet:               731875872
          Equivalent to 43 /8s, 159 /16s and 138 /24s
          Percentage of available ARIN address space announced:          64.2
      
      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,  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, 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:                     70631
          Total RIPE prefixes after maximum aggregation:                41162
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            63769
          Unique aggregates announced from the RIPE address blocks:     42546
      RIPE Region origin ASes present in the Internet Routing Table:    13833
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7185
      RIPE Region transit ASes present in the Internet Routing Table:    2094
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               405643136
          Equivalent to 24 /8s, 45 /16s and 159 /24s
          Percentage of available RIPE address space announced:          75.6
      
      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,  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, 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:                   26702
          Total LACNIC prefixes after maximum aggregation:               6480
          LACNIC Deaggregation factor:                                   4.12
      Prefixes being announced from the LACNIC address blocks:          25010
          Unique aggregates announced from the LACNIC address blocks:   13646
      LACNIC Region origin ASes present in the Internet Routing Table:   1219
          LACNIC Prefixes per ASN:                                      20.52
      LACNIC Region origin ASes announcing only one prefix:               397
      LACNIC Region transit ASes present in the Internet Routing Table:   203
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        17
      Number of LACNIC addresses announced to Internet:              68833280
          Equivalent to 4 /8s, 26 /16s and 80 /24s
          Percentage of available LACNIC address space announced:        68.4
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   5972
          Total AfriNIC prefixes after maximum aggregation:              1567
          AfriNIC Deaggregation factor:                                  3.81
      Prefixes being announced from the AfriNIC address blocks:          4371
          Unique aggregates announced from the AfriNIC address blocks:   1513
      AfriNIC Region origin ASes present in the Internet Routing Table:   336
          AfriNIC Prefixes per ASN:                                     13.01
      AfriNIC Region origin ASes announcing only one prefix:               94
      AfriNIC Region transit ASes present in the Internet Routing Table:   70
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       16
      Number of AfriNIC addresses announced to Internet:             13172992
          Equivalent to 0 /8s, 201 /16s and 1 /24s
          Percentage of available AfriNIC address space announced:       39.3
      
      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     1750       7507         461   Korea Telecom (KIX)
      17488     1458        143         132   Hathway IP Over Cable Interne
       4755     1280        296         148   TATA Communications formerly 
       9583     1044         79         514   Sify Limited
       4134     1015      19459         395   CHINANET-BACKBONE
      18101      984        204          34   Reliance Infocom Ltd Internet
       7545      918        198          97   TPG Internet Pty Ltd
      17974      864        270          57   PT TELEKOMUNIKASI INDONESIA
       9829      850        673          24   BSNL National Internet Backbo
      24560      806        293         176   Bharti Airtel Ltd., Telemedia
      
      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     4235       3879         311   bellsouth.net, inc. 
       4323     3756       1068         399   Time Warner Telecom
       1785     1779        715         136   PaeTec Communications, Inc.
       7018     1590       5809        1032   AT&T WorldNet Services
      20115     1526       1484         667   Charter Communications 
       2386     1292        632         933   AT&T Data Communications Serv
       3356     1219      10966         439   Level 3 Communications, LLC 
       6478     1179        255         334   AT&T Worldnet Services 
      11492     1145        222          14   Cable One 
      22773     1125       2600          66   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
      30890      516         98         207   Evolva Telecom
      35805      475         40           5   United Telecom of Georgia
       9198      471        138          12   Kazakhtelecom Data Network Ad
       3292      449       1906         394   TDC Tele Danmark
        702      416       1837         334   UUNET - Commercial IP service
       8551      377        354          41   Bezeq International
       8866      375        110          23   Bulgarian Telecommunication C
       3320      359       7068         305   Deutsche Telekom AG
       3215      349       3144         111   France Telecom Transpac
       3301      347       1411         303   TeliaNet Sweden
      
      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     1588       2899         231   UniNet S.A. de C.V. 
      10620      999        223         145   TVCABLE BOGOTA 
      28573      818        668          84   NET Servicos de Comunicao S.A
       7303      665        351          96   Telecom Argentina Stet-France
      22047      546        302          14   VTR PUNTO NET S.A. 
      11830      474        308          59   Instituto Costarricense de El
      11172      446         99          70   Servicios Alestra S.A de C.V 
      14117      437         29          11   Telefonica del Sur S.A. 
       7738      431        858          29   Telecomunicacoes da Bahia S.A
       3816      425        193          71   Empresa Nacional de Telecomun
      
      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     1026        188           7   TEDATA
      24863      756        128          63   LINKdotNET AS number
       3741      273        857         233   The Internet Solution 
       2018      176        195         102   Tertiary Education Network 
       6713      175        167          12   Itissalat Al-MAGHRIB
      29571      150         15           8   Ci Telecom Autonomous system 
      29975      134        506          15   Vodacom
      33776      124          7          11   Starcomms Nigeria Limited
       5536      121          8          18   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      
      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     4235       3879         311   bellsouth.net, inc. 
       4323     3756       1068         399   Time Warner Telecom
       1785     1779        715         136   PaeTec Communications, Inc.
       4766     1750       7507         461   Korea Telecom (KIX)
       7018     1590       5809        1032   AT&T WorldNet Services
       8151     1588       2899         231   UniNet S.A. de C.V. 
      20115     1526       1484         667   Charter Communications 
      17488     1458        143         132   Hathway IP Over Cable Interne
       2386     1292        632         933   AT&T Data Communications Serv
       4755     1280        296         148   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3756        3357      Time Warner Telecom
       1785      1779        1643      PaeTec Communications, Inc.
       8151      1588        1357      UniNet S.A. de C.V. 
      17488      1458        1326      Hathway IP Over Cable Interne
       4766      1750        1289      Korea Telecom (KIX)
       4755      1280        1132      TATA Communications formerly 
      11492      1145        1131      Cable One 
      22773      1125        1059      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1026        1019      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.159.0/24        7018       AT&T WorldNet Servic
      32326   UNALLOCATED   12.40.49.0/24         7018       AT&T WorldNet Servic
      25639   UNALLOCATED   12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      2.0.0.0/16           12654     RIPE NCC RIS Project
      2.1.0.0/21           12654     RIPE NCC RIS Project
      2.1.24.0/24          12654     RIPE NCC RIS Project
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      46.0.0.0/16          12654     RIPE NCC RIS Project
      46.1.0.0/21          12654     RIPE NCC RIS Project
      46.1.24.0/24         12654     RIPE NCC RIS Project
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      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      /11:65      /12:177     
      /13:353     /14:644     /15:1224    /16:10779   /17:5006    /18:8561    
      /19:17650   /20:21503   /21:21436   /22:27640   /23:27536   /24:159858  
      /25:930     /26:1135    /27:577     /28:234     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2772          4235      bellsouth.net, inc. 
       4323     2369          3756      Time Warner Telecom
       4766     1430          1750      Korea Telecom (KIX)
       1785     1244          1779      PaeTec Communications, Inc.
      17488     1224          1458      Hathway IP Over Cable Interne
      11492     1067          1145      Cable One 
      18566     1040          1059      Covad Communications 
       7018      955          1590      AT&T WorldNet Services
       8452      924          1026      TEDATA
      10620      905           999      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1         2:1         4:13        8:234      12:2057     13:8      
        15:22       16:3        17:5        20:37       24:1282     32:49     
        34:2        38:625      40:98       41:1838     43:1        44:3      
        46:1        47:21       52:6        55:2        56:2        57:23     
        58:647      59:612      60:445      61:974      62:960      63:2009   
        64:3750     65:2369     66:4099     67:1775     68:1018     69:2810   
        70:687      71:232      72:1889     73:2        74:2021     75:190    
        76:357      77:848      78:601      79:399      80:950      81:810    
        82:469      83:448      84:529      85:1014     86:380      87:681    
        88:445      89:1507     90:59       91:2644     92:441      93:1157   
        94:1348     95:832      96:201      97:278      98:429      99:27     
       109:179     110:278     111:480     112:152     113:190     114:287    
       115:391     116:1089    117:588     118:366     119:802     120:143    
       121:698     122:1304    123:797     124:1024    125:1346    128:212    
       129:200     130:134     131:460     132:82      133:16      134:180    
       135:40      136:230     137:167     138:239     139:82      140:458    
       141:122     142:380     143:341     144:393     145:52      146:390    
       147:171     148:565     149:191     150:148     151:171     152:220    
       153:161     154:2       155:269     156:167     157:317     158:97     
       159:359     160:294     161:174     162:279     163:162     164:314    
       165:472     166:491     167:392     168:754     169:159     170:560    
       171:42      172:1       173:385     174:424     180:209     183:160    
       184:1       186:234     187:174     188:1379    189:650     190:3363   
       192:5733    193:4309    194:3363    195:2779    196:1184    198:3574   
       199:3380    200:5241    201:1420    202:7924    203:8291    204:3981   
       205:2149    206:2411    207:3049    208:3967    209:3390    210:2548   
       211:1144    212:1632    213:1632    214:246     215:57      216:4422   
       217:1364    218:479     219:422     220:1138    221:448     222:301    
      
      
      End of report