[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, 26 Sep 2009 04:28:47 +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 26 Sep, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              298894
          Prefixes after maximum aggregation:                          140069
          Deaggregation factor:                                          2.13
          Unique aggregates announced to Internet:                     148203
      Total ASes present in the Internet Routing Table:                 32275
          Prefixes per ASN:                                              9.26
      Origin-only ASes present in the Internet Routing Table:           28043
      Origin ASes announcing only one prefix:                           13693
      Transit ASes present in the Internet Routing Table:                4232
      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:                                      31
          Max AS path prepend of ASN (45127)                               27
      Prefixes from unregistered ASNs in the Routing Table:               456
          Unregistered ASNs in the Routing Table:                         122
      Number of 32-bit ASNs allocated by the RIRs:                        283
      Prefixes from 32-bit ASNs in the Routing Table:                     145
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            204
      Number of addresses announced to Internet:                   2108932864
          Equivalent to 125 /8s, 179 /16s and 195 /24s
          Percentage of available address space announced:               56.9
          Percentage of allocated address space announced:               64.5
          Percentage of available address space allocated:               88.2
          Percentage of address space in use by end-sites:               79.0
      Total number of prefixes smaller than registry allocations:      143732
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    71419
          Total APNIC prefixes after maximum aggregation:               25067
          APNIC Deaggregation factor:                                    2.85
      Prefixes being announced from the APNIC address blocks:           67834
          Unique aggregates announced from the APNIC address blocks:    30294
      APNIC Region origin ASes present in the Internet Routing Table:    3806
          APNIC Prefixes per ASN:                                       17.82
      APNIC Region origin ASes announcing only one prefix:               1047
      APNIC Region transit ASes present in the Internet Routing Table:    585
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         31
      Number of APNIC addresses announced to Internet:              460581408
          Equivalent to 27 /8s, 115 /16s and 234 /24s
          Percentage of available APNIC address space announced:         78.4
      
      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:                    126988
          Total ARIN prefixes after maximum aggregation:                66741
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:           101421
          Unique aggregates announced from the ARIN address blocks:     38445
      ARIN Region origin ASes present in the Internet Routing Table:    13258
          ARIN Prefixes per ASN:                                         7.65
      ARIN Region origin ASes announcing only one prefix:                5136
      ARIN Region transit ASes present in the Internet Routing Table:    1295
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          24
      Number of ARIN addresses announced to Internet:               706192256
          Equivalent to 42 /8s, 23 /16s and 163 /24s
          Percentage of available ARIN address space announced:          61.9
      
      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:                     68650
          Total RIPE prefixes after maximum aggregation:                40175
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            62346
          Unique aggregates announced from the RIPE address blocks:     41701
      RIPE Region origin ASes present in the Internet Routing Table:    13513
          RIPE Prefixes per ASN:                                         4.61
      RIPE Region origin ASes announcing only one prefix:                7037
      RIPE Region transit ASes present in the Internet Routing Table:    2041
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          21
      Number of RIPE addresses announced to Internet:               399869888
          Equivalent to 23 /8s, 213 /16s and 135 /24s
          Percentage of available RIPE address space announced:          74.5
      
      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,  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:                   25598
          Total LACNIC prefixes after maximum aggregation:               6262
          LACNIC Deaggregation factor:                                   4.09
      Prefixes being announced from the LACNIC address blocks:          23876
          Unique aggregates announced from the LACNIC address blocks:   13335
      LACNIC Region origin ASes present in the Internet Routing Table:   1184
          LACNIC Prefixes per ASN:                                      20.17
      LACNIC Region origin ASes announcing only one prefix:               380
      LACNIC Region transit ASes present in the Internet Routing Table:   193
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              66545152
          Equivalent to 3 /8s, 247 /16s and 102 /24s
          Percentage of available LACNIC address space announced:        66.1
      
      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:                   5853
          Total AfriNIC prefixes after maximum aggregation:              1554
          AfriNIC Deaggregation factor:                                  3.77
      Prefixes being announced from the AfriNIC address blocks:          4236
          Unique aggregates announced from the AfriNIC address blocks:   1535
      AfriNIC Region origin ASes present in the Internet Routing Table:   319
          AfriNIC Prefixes per ASN:                                     13.28
      AfriNIC Region origin ASes announcing only one prefix:               93
      AfriNIC Region transit ASes present in the Internet Routing Table:   66
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12467968
          Equivalent to 0 /8s, 190 /16s and 63 /24s
          Percentage of available AfriNIC address space announced:       37.2
      
      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     1762       6995         453   Korea Telecom (KIX)
      17488     1505        137         104   Hathway IP Over Cable Interne
       4755     1260        292         144   TATA Communications formerly 
       9583     1101         87         530   Sify Limited
       4134     1009      18168         391   CHINANET-BACKBONE
      18101      975        204          33   Reliance Infocom Ltd Internet
       7545      869        198          97   TPG Internet Pty Ltd
       9829      813        626          19   BSNL National Internet Backbo
       4808      788       1518         181   CNCGROUP IP network: China169
      24560      774        285         164   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     4168       3627         312   bellsouth.net, inc. 
       4323     3700       1045         384   Time Warner Telecom
       1785     1751        714         138   PaeTec Communications, Inc.
       7018     1507       5875        1056   AT&T WorldNet Services
      20115     1479       1477         668   Charter Communications 
       6478     1411        279         301   AT&T Worldnet Services 
       2386     1321        657         951   AT&T Data Communications Serv
       3356     1234      10964         441   Level 3 Communications, LLC 
      11492     1128        208          12   Cable One 
      22773     1111       2604          67   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      493         93         202   Evolva Telecom
       3292      446       1900         393   TDC Tele Danmark
        702      425       1822         343   UUNET - Commercial IP service
      12479      425        578           6   Uni2 Autonomous System
      35805      415         40           5   United Telecom of Georgia
       9198      376        138          12   Kazakhtelecom Data Network Ad
       8866      358        110          23   Bulgarian Telecommunication C
       3320      353       7068         304   Deutsche Telekom AG
       3301      351       1412         308   TeliaNet Sweden
       3215      348       3128         110   France Telecom Transpac
      
      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     1478       2899         246   UniNet S.A. de C.V. 
      10620     1015        227          95   TVCABLE BOGOTA 
      28573      709        622          62   NET Servicos de Comunicao S.A
       7303      640        338          94   Telecom Argentina Stet-France
      22047      544        302          14   VTR PUNTO NET S.A. 
      11830      475        310          61   Instituto Costarricense de El
      11172      440         99          70   Servicios Alestra S.A de C.V 
      14117      435         29          11   Telefonica del Sur S.A. 
       7738      424        858          29   Telecomunicacoes da Bahia S.A
       6471      423         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      954        188           7   TEDATA
      24863      939         97          62   LINKdotNET AS number
       3741      272        856         234   The Internet Solution 
       2018      197        187         116   Tertiary Education Network 
       6713      175        166          16   Itissalat Al-MAGHRIB
      29571      139         14           6   Ci Telecom Autonomous system 
      24835      123         46           9   RAYA Telecom - Egypt
       5536      122          8          13   Internet Egypt Network
       5713      118        520          69   Telkom SA Ltd 
      20858      106         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     4168       3627         312   bellsouth.net, inc. 
       4323     3700       1045         384   Time Warner Telecom
       4766     1762       6995         453   Korea Telecom (KIX)
       1785     1751        714         138   PaeTec Communications, Inc.
       7018     1507       5875        1056   AT&T WorldNet Services
      17488     1505        137         104   Hathway IP Over Cable Interne
      20115     1479       1477         668   Charter Communications 
       8151     1478       2899         246   UniNet S.A. de C.V. 
       6478     1411        279         301   AT&T Worldnet Services 
       2386     1321        657         951   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      3700        3316      Time Warner Telecom
       1785      1751        1613      PaeTec Communications, Inc.
      17488      1505        1401      Hathway IP Over Cable Interne
       4766      1762        1309      Korea Telecom (KIX)
       8151      1478        1232      UniNet S.A. de C.V. 
       4755      1260        1116      TATA Communications formerly 
      11492      1128        1116      Cable One 
       6478      1411        1110      AT&T Worldnet Services 
      18566      1062        1052      Covad Communications 
      22773      1111        1044      Cox Communications, Inc.
      
      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<<
      41.223.189.0/24      26452     Local Communications Networks
      43.245.0.0/16         7502     Internetwork Kyoto
      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      /10:24      /11:63      /12:176     
      /13:354     /14:625     /15:1199    /16:10676   /17:4832    /18:8367    
      /19:17456   /20:20856   /21:20870   /22:27113   /23:26778   /24:156686  
      /25:933     /26:1063    /27:562     /28:169     /29:40      /30:15      
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2700          4168      bellsouth.net, inc. 
       4323     2360          3700      Time Warner Telecom
       4766     1435          1762      Korea Telecom (KIX)
      17488     1259          1505      Hathway IP Over Cable Interne
       1785     1217          1751      PaeTec Communications, Inc.
      11492     1054          1128      Cable One 
      18566     1043          1062      Covad Communications 
       9583      953          1101      Sify Limited
      10620      921          1015      TVCABLE BOGOTA 
       8452      878           954      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         2:1         4:14        8:227      12:2145     13:7        15:22     
        16:3        17:5        20:36       24:1169     32:52       34:2      
        38:604      40:97       41:1670     43:1        44:2        46:1      
        47:16       52:6        55:2        56:2        57:25       58:569    
        59:648      60:454      61:1075     62:1029     63:2018     64:3740   
        65:2398     66:4086     67:1776     68:964      69:2768     70:578    
        71:156      72:1680     73:2        74:1944     75:179      76:319    
        77:882      78:584      79:395      80:908      81:802      82:505    
        83:432      84:531      85:1028     86:382      87:683      88:388    
        89:1485     90:61       91:2563     92:404      93:1246     94:1207   
        95:1100     96:168      97:267      98:308      99:30      109:42     
       110:206     111:440     112:138     113:145     114:260     115:350    
       116:1126    117:571     118:325     119:782     120:132     121:775    
       122:1289    123:777     124:1048    125:1345    128:222     129:216    
       130:129     131:424     132:75      133:10      134:173     135:42     
       136:240     137:164     138:177     139:85      140:441     141:121    
       142:383     143:336     144:350     145:49      146:390     147:170    
       148:549     149:213     150:209     151:183     152:215     153:155    
       154:2       155:270     156:165     157:307     158:113     159:354    
       160:291     161:164     162:270     163:171     164:280     165:521    
       166:474     167:375     168:789     169:166     170:473     171:43     
       172:2       173:417     174:359     175:1       178:1       180:28     
       182:1       186:143     187:157     188:1011    189:581     190:3063   
       192:5775    193:4260    194:3290    195:2757    196:1150    198:3557   
       199:3350    200:5218    201:1320    202:7848    203:8263    204:3932   
       205:2201    206:2439    207:2988    208:3955    209:3488    210:2555   
       211:1123    212:1611    213:1621    214:176     215:40      216:4396   
       217:1311    218:412     219:450     220:1127    221:441     222:317    
      
      
      End of report