[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, 14 Nov 2009 04:34:33 +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 14 Nov, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              302501
          Prefixes after maximum aggregation:                          141653
          Deaggregation factor:                                          2.14
          Unique aggregates announced to Internet:                     149678
      Total ASes present in the Internet Routing Table:                 32670
          Prefixes per ASN:                                              9.26
      Origin-only ASes present in the Internet Routing Table:           28386
      Origin ASes announcing only one prefix:                           13852
      Transit ASes present in the Internet Routing Table:                4284
      Transit-only ASes present in the Internet Routing Table:             99
      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:               635
          Unregistered ASNs in the Routing Table:                         131
      Number of 32-bit ASNs allocated by the RIRs:                        317
      Prefixes from 32-bit ASNs in the Routing Table:                     263
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            177
      Number of addresses announced to Internet:                   2116745984
          Equivalent to 126 /8s, 42 /16s and 251 /24s
          Percentage of available address space announced:               57.1
          Percentage of allocated address space announced:               64.7
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               80.0
      Total number of prefixes smaller than registry allocations:      145338
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    72284
          Total APNIC prefixes after maximum aggregation:               25310
          APNIC Deaggregation factor:                                    2.86
      Prefixes being announced from the APNIC address blocks:           68830
          Unique aggregates announced from the APNIC address blocks:    30438
      APNIC Region origin ASes present in the Internet Routing Table:    3858
          APNIC Prefixes per ASN:                                       17.84
      APNIC Region origin ASes announcing only one prefix:               1046
      APNIC Region transit ASes present in the Internet Routing Table:    597
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         23
      Number of APNIC addresses announced to Internet:              470486048
          Equivalent to 28 /8s, 11 /16s and 12 /24s
          Percentage of available APNIC address space announced:         80.1
      
      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    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, 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:                    127674
          Total ARIN prefixes after maximum aggregation:                67188
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           102073
          Unique aggregates announced from the ARIN address blocks:     38770
      ARIN Region origin ASes present in the Internet Routing Table:    13337
          ARIN Prefixes per ASN:                                         7.65
      ARIN Region origin ASes announcing only one prefix:                5169
      ARIN Region transit ASes present in the Internet Routing Table:    1313
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          39
      Number of ARIN addresses announced to Internet:               714745632
          Equivalent to 42 /8s, 154 /16s and 39 /24s
          Percentage of available ARIN address space announced:          62.7
      
      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:                     69750
          Total RIPE prefixes after maximum aggregation:                40882
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            63032
          Unique aggregates announced from the RIPE address blocks:     42158
      RIPE Region origin ASes present in the Internet Routing Table:    13751
          RIPE Prefixes per ASN:                                         4.58
      RIPE Region origin ASes announcing only one prefix:                7150
      RIPE Region transit ASes present in the Internet Routing Table:    2064
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          20
      Number of RIPE addresses announced to Internet:               404254144
          Equivalent to 24 /8s, 24 /16s and 109 /24s
          Percentage of available RIPE address space announced:          75.3
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 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:                   26248
          Total LACNIC prefixes after maximum aggregation:               6386
          LACNIC Deaggregation factor:                                   4.11
      Prefixes being announced from the LACNIC address blocks:          24557
          Unique aggregates announced from the LACNIC address blocks:   13594
      LACNIC Region origin ASes present in the Internet Routing Table:   1205
          LACNIC Prefixes per ASN:                                      20.38
      LACNIC Region origin ASes announcing only one prefix:               387
      LACNIC Region transit ASes present in the Internet Routing Table:   200
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        30
      Number of LACNIC addresses announced to Internet:              68200192
          Equivalent to 4 /8s, 16 /16s and 167 /24s
          Percentage of available LACNIC address space announced:        67.8
      
      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:                   6052
          Total AfriNIC prefixes after maximum aggregation:              1588
          AfriNIC Deaggregation factor:                                  3.81
      Prefixes being announced from the AfriNIC address blocks:          4414
          Unique aggregates announced from the AfriNIC address blocks:   1583
      AfriNIC Region origin ASes present in the Internet Routing Table:   333
          AfriNIC Prefixes per ASN:                                     13.26
      AfriNIC Region origin ASes announcing only one prefix:              100
      AfriNIC Region transit ASes present in the Internet Routing Table:   69
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             13027584
          Equivalent to 0 /8s, 198 /16s and 201 /24s
          Percentage of available AfriNIC address space announced:       38.8
      
      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     1770       7505         456   Korea Telecom (KIX)
      17488     1477        142         125   Hathway IP Over Cable Interne
       4755     1277        292         148   TATA Communications formerly 
       9583     1045         81         515   Sify Limited
       4134     1007      19185         393   CHINANET-BACKBONE
      18101      982        204          33   Reliance Infocom Ltd Internet
       7545      900        199         100   TPG Internet Pty Ltd
       9829      853        665          21   BSNL National Internet Backbo
      17974      836        252         103   PT TELEKOMUNIKASI INDONESIA
      24560      797        292         172   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     4257       3883         315   bellsouth.net, inc. 
       4323     3733       1054         399   Time Warner Telecom
       1785     1787        715         140   PaeTec Communications, Inc.
       7018     1586       5839        1039   AT&T WorldNet Services
      20115     1515       1481         675   Charter Communications 
       6478     1312        270         415   AT&T Worldnet Services 
       2386     1307        638         943   AT&T Data Communications Serv
       3356     1218      10966         442   Level 3 Communications, LLC 
      11492     1145        222          14   Cable One 
      22773     1118       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      515         98         208   Evolva Telecom
       3292      445       1905         390   TDC Tele Danmark
      35805      436         40           5   United Telecom of Georgia
        702      416       1822         335   UUNET - Commercial IP service
       9198      404        138          12   Kazakhtelecom Data Network Ad
       8866      364        110          23   Bulgarian Telecommunication C
       3320      358       7068         305   Deutsche Telekom AG
       3215      349       3144         111   France Telecom Transpac
       3301      347       1412         302   TeliaNet Sweden
       8551      316        294          40   Bezeq International
      
      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     1569       2899         230   UniNet S.A. de C.V. 
      10620     1030        228         102   TVCABLE BOGOTA 
      28573      803        664          89   NET Servicos de Comunicao S.A
       7303      663        349          95   Telecom Argentina Stet-France
      22047      546        302          14   VTR PUNTO NET S.A. 
      11830      473        308          59   Instituto Costarricense de El
      11172      444         99          70   Servicios Alestra S.A de C.V 
      14117      437         29          11   Telefonica del Sur S.A. 
       7738      430        858          29   Telecomunicacoes da Bahia S.A
       6471      422         96          31   ENTEL CHILE S.A. 
      
      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     1044        188           7   TEDATA
      24863      943         98          72   LINKdotNET AS number
       3741      274        857         234   The Internet Solution 
       2018      191        188         118   Tertiary Education Network 
       6713      176        167          12   Itissalat Al-MAGHRIB
      29571      128         15           8   Ci Telecom Autonomous system 
      33776      124          7          11   Starcomms Nigeria Limited
       5536      122          8          13   Internet Egypt Network
       5713      116        508          67   Telkom SA Ltd 
      20858      109         34           6   EgyNet
      
      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     4257       3883         315   bellsouth.net, inc. 
       4323     3733       1054         399   Time Warner Telecom
       1785     1787        715         140   PaeTec Communications, Inc.
       4766     1770       7505         456   Korea Telecom (KIX)
       7018     1586       5839        1039   AT&T WorldNet Services
       8151     1569       2899         230   UniNet S.A. de C.V. 
      20115     1515       1481         675   Charter Communications 
      17488     1477        142         125   Hathway IP Over Cable Interne
       6478     1312        270         415   AT&T Worldnet Services 
       2386     1307        638         943   AT&T Data Communications Serv
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      3733        3334      Time Warner Telecom
       1785      1787        1647      PaeTec Communications, Inc.
      17488      1477        1352      Hathway IP Over Cable Interne
       8151      1569        1339      UniNet S.A. de C.V. 
       4766      1770        1314      Korea Telecom (KIX)
      11492      1145        1131      Cable One 
       4755      1277        1129      TATA Communications formerly 
      22773      1118        1052      Cox Communications, Inc.
      18566      1059        1049      Covad Communications 
       8452      1044        1037      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        /8:19       /9:10      /10:25      /11:65      /12:177     
      /13:361     /14:640     /15:1220    /16:10741   /17:4960    /18:8511    
      /19:17574   /20:21253   /21:21202   /22:27534   /23:27360   /24:157968  
      /25:944     /26:1126    /27:565     /28:219     /29:11      /30:8       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2782          4257      bellsouth.net, inc. 
       4323     2357          3733      Time Warner Telecom
       4766     1435          1770      Korea Telecom (KIX)
      17488     1254          1477      Hathway IP Over Cable Interne
       1785     1251          1787      PaeTec Communications, Inc.
      11492     1068          1145      Cable One 
      18566     1040          1059      Covad Communications 
       7018      947          1586      AT&T WorldNet Services
       8452      944          1044      TEDATA
      10620      935          1030      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:233      12:2134     13:8        15:22     
        16:3        17:5        20:36       24:1251     32:49       34:2      
        38:612      40:99       41:1795     43:1        44:2        46:1      
        47:21       52:6        55:2        56:2        57:23       58:628    
        59:610      60:443      61:992      62:948      63:1994     64:3656   
        65:2363     66:4091     67:1755     68:995      69:2795     70:588    
        71:156      72:1748     73:2        74:1989     75:183      76:352    
        77:842      78:569      79:376      80:940      81:814      82:472    
        83:441      84:529      85:1016     86:382      87:697      88:425    
        89:1500     90:63       91:2645     92:424      93:1158     94:1297   
        95:825      96:200      97:273      98:412      99:31      109:160    
       110:270     111:460     112:146     113:174     114:285     115:355    
       116:1123    117:596     118:349     119:785     120:127     121:703    
       122:1304    123:777     124:1059    125:1350    128:222     129:218    
       130:133     131:425     132:75      133:16      134:186     135:43     
       136:233     137:166     138:180     139:84      140:441     141:122    
       142:387     143:343     144:365     145:49      146:395     147:171    
       148:559     149:196     150:150     151:172     152:216     153:160    
       154:2       155:274     156:167     157:313     158:95      159:360    
       160:293     161:173     162:274     163:159     164:278     165:468    
       166:490     167:390     168:750     169:160     170:554     171:43     
       172:1       173:391     174:392     178:1       180:174     184:1      
       186:157     187:190     188:1281    189:628     190:3250    192:5738   
       193:4282    194:3340    195:2730    196:1154    198:3566    199:3373   
       200:5206    201:1390    202:7901    203:8241    204:3937    205:2159   
       206:2403    207:3011    208:3975    209:3436    210:2541    211:1149   
       212:1652    213:1621    214:189     215:40      216:4416    217:1343   
       218:475     219:424     220:1140    221:452     222:304    
      
      End of report