[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, 6 Dec 2008 04:12:27 +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 06 Dec, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              274617
          Prefixes after maximum aggregation:                          131863
          Deaggregation factor:                                          2.08
          Unique aggregates announced to Internet:                     134033
      Total ASes present in the Internet Routing Table:                 30011
          Prefixes per ASN:                                              9.15
      Origin-only ASes present in the Internet Routing Table:           26135
      Origin ASes announcing only one prefix:                           12734
      Transit ASes present in the Internet Routing Table:                3876
      Transit-only ASes present in the Internet Routing Table:             90
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      19
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               534
          Unregistered ASNs in the Routing Table:                         195
      Number of 32-bit ASNs allocated by the RIRs:                         68
      Prefixes from 32-bit ASNs in the Routing Table:                       9
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            200
      Number of addresses announced to Internet:                   1966812160
          Equivalent to 117 /8s, 59 /16s and 44 /24s
          Percentage of available address space announced:               53.1
          Percentage of allocated address space announced:               63.4
          Percentage of available address space allocated:               83.7
          Percentage of address space in use by end-sites:               74.5
      Total number of prefixes smaller than registry allocations:      134848
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    63620
          Total APNIC prefixes after maximum aggregation:               23490
          APNIC Deaggregation factor:                                    2.71
      Prefixes being announced from the APNIC address blocks:           60552
          Unique aggregates announced from the APNIC address blocks:    27265
      APNIC Region origin ASes present in the Internet Routing Table:    3480
          APNIC Prefixes per ASN:                                       17.40
      APNIC Region origin ASes announcing only one prefix:                936
      APNIC Region transit ASes present in the Internet Routing Table:    532
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              389140384
          Equivalent to 23 /8s, 49 /16s and 207 /24s
          Percentage of available APNIC address space announced:         77.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    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,
                             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:                    122610
          Total ARIN prefixes after maximum aggregation:                64581
          ARIN Deaggregation factor:                                     1.90
      Prefixes being announced from the ARIN address blocks:            91825
          Unique aggregates announced from the ARIN address blocks:     34855
      ARIN Region origin ASes present in the Internet Routing Table:    12643
          ARIN Prefixes per ASN:                                         7.26
      ARIN Region origin ASes announcing only one prefix:                4889
      ARIN Region transit ASes present in the Internet Routing Table:    1208
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               402463648
          Equivalent to 23 /8s, 253 /16s and 27 /24s
          Percentage of available ARIN address space announced:          82.7
      
      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
      ARIN Address Blocks     24/8,  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, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     60947
          Total RIPE prefixes after maximum aggregation:                36408
          RIPE Deaggregation factor:                                     1.67
      Prefixes being announced from the RIPE address blocks:            56539
          Unique aggregates announced from the RIPE address blocks:     37707
      RIPE Region origin ASes present in the Internet Routing Table:    12303
          RIPE Prefixes per ASN:                                         4.60
      RIPE Region origin ASes announcing only one prefix:                6487
      RIPE Region transit ASes present in the Internet Routing Table:    1870
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          17
      Number of RIPE addresses announced to Internet:               381049312
          Equivalent to 22 /8s, 182 /16s and 89 /24s
          Percentage of available RIPE address space announced:          87.4
      
      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, 47104-49151
      RIPE Address Blocks     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, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   22671
          Total LACNIC prefixes after maximum aggregation:               5602
          LACNIC Deaggregation factor:                                   4.05
      Prefixes being announced from the LACNIC address blocks:          20708
          Unique aggregates announced from the LACNIC address blocks:   11532
      LACNIC Region origin ASes present in the Internet Routing Table:   1039
          LACNIC Prefixes per ASN:                                      19.93
      LACNIC Region origin ASes announcing only one prefix:               337
      LACNIC Region transit ASes present in the Internet Routing Table:   166
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              58495360
          Equivalent to 3 /8s, 124 /16s and 145 /24s
          Percentage of available LACNIC address space announced:        58.1
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 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:                   4257
          Total AfriNIC prefixes after maximum aggregation:              1360
          AfriNIC Deaggregation factor:                                  3.13
      Prefixes being announced from the AfriNIC address blocks:          4568
          Unique aggregates announced from the AfriNIC address blocks:   2187
      AfriNIC Region origin ASes present in the Internet Routing Table:   274
          AfriNIC Prefixes per ASN:                                     16.67
      AfriNIC Region origin ASes announcing only one prefix:               85
      AfriNIC Region transit ASes present in the Internet Routing Table:   54
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             13034240
          Equivalent to 0 /8s, 198 /16s and 227 /24s
          Percentage of available AfriNIC address space announced:       25.9
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      17488     1443        101         105   Hathway IP Over Cable Interne
       4766     1340       6409         364   Korea Telecom (KIX)
       4755     1169        474         153   TATA Communications formerly 
       9583     1140         88         486   Sify Limited
       4134      907      15509         355   CHINANET-BACKBONE
      23577      813         34         692   Korea Telecom (ATM-MPLS)
      18101      785        168          33   Reliance Infocom Ltd Internet
       4780      727        357          63   Digital United Inc.
       9498      694        295          50   BHARTI BT INTERNET LTD.
       4808      630       1172         143   CNCGROUP IP network: China169
      
      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     4374       3434         344   bellsouth.net, inc. 
        209     2982       4031         619   Qwest 
      20115     1848       1466         745   Charter Communications 
       1785     1703        717         155   PaeTec Communications, Inc.
       6478     1601        367         285   AT&T Worldnet Services 
       4323     1600       1068         383   Time Warner Telecom
       2386     1589        699         897   AT&T Data Communications Serv
       7018     1429       5872         989   AT&T WorldNet Services
      11492     1222        192          12   Cable One 
       3356     1099      10991         428   Level 3 Communications, LLC 
      
      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      433       1765         383   TDC Tele Danmark
      30890      377         79         194   SC Kappa Invexim SRL
      12479      373        578           6   Uni2 Autonomous System
       3301      335       1413         304   TeliaNet Sweden
       8866      331        109          22   Bulgarian Telecommunication C
      29049      331         26           3   AzerSat LLC.
       3320      329       7064         278   Deutsche Telekom AG
       8452      322        188          11   TEDATA
       3215      314       2776          97   France Telecom Transpac
       8551      303        286          36   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     1396       2832         220   UniNet S.A. de C.V. 
      11830      664        299           9   Instituto Costarricense de El
      10620      602        132          43   TVCABLE BOGOTA 
      22047      553        270          14   VTR PUNTO NET S.A. 
       7303      502        248          74   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      425         88          50   ENTEL CHILE S.A. 
      11172      402        118          72   Servicios Alestra S.A de C.V 
      28573      358        487          25   NET Servicos de Comunicao S.A
      14117      333         23           9   Telefonica del Sur 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
      24863      575         73          43   LINKdotNET AS number
       3741      270        857         227   The Internet Solution 
      20858      265         34           3   EgyNet
       2018      239        215         140   Tertiary Education Network 
       6713      144        135          11   Itissalat Al-MAGHRIB
      33783      143         10          17   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
       5713      119        555          68   Telkom SA Ltd 
      33776      116          6           3   Starcomms Nigeria Limited
      29571      113         15           8   Ci Telecom Autonomous system 
      
      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     4374       3434         344   bellsouth.net, inc. 
        209     2982       4031         619   Qwest 
      20115     1848       1466         745   Charter Communications 
       1785     1703        717         155   PaeTec Communications, Inc.
       6478     1601        367         285   AT&T Worldnet Services 
       4323     1600       1068         383   Time Warner Telecom
       2386     1589        699         897   AT&T Data Communications Serv
      17488     1443        101         105   Hathway IP Over Cable Interne
       7018     1429       5872         989   AT&T WorldNet Services
       8151     1396       2832         220   UniNet S.A. de C.V. 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2982        2363      Qwest 
       1785      1703        1548      PaeTec Communications, Inc.
      17488      1443        1338      Hathway IP Over Cable Interne
       6478      1601        1316      AT&T Worldnet Services 
       4323      1600        1217      Time Warner Telecom
      11492      1222        1210      Cable One 
       8151      1396        1176      UniNet S.A. de C.V. 
      20115      1848        1103      Charter Communications 
      18566      1059        1049      Covad Communications 
       4755      1169        1016      TATA Communications formerly 
      
      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         3549       Global Crossing 
      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
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.251.0/24      22555     Universal Talkware Corporatio
      
      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       /9:9       /10:19      /11:55      /12:157     
      /13:307     /14:553     /15:1076    /16:10193   /17:4476    /18:7742    
      /19:16581   /20:19512   /21:18966   /22:24124   /23:24670   /24:143313  
      /25:883     /26:1039    /27:809     /28:98      /29:8       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2858          4374      bellsouth.net, inc. 
        209     1705          2982      Qwest 
       2386     1270          1589      AT&T Data Communications Serv
      17488     1232          1443      Hathway IP Over Cable Interne
      11492     1197          1222      Cable One 
       1785     1163          1703      PaeTec Communications, Inc.
       6478     1126          1601      AT&T Worldnet Services 
       4766     1083          1340      Korea Telecom (KIX)
      18566     1040          1059      Covad Communications 
       9583     1004          1140      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:12        8:161      12:2218     13:2        15:21       16:3      
        17:5        20:36       24:1105     32:54       38:519      40:92     
        41:811      43:1        44:2        47:7        52:3        55:3      
        56:3        57:26       58:502      59:577      60:447      61:1053   
        62:1121     63:2012     64:3303     65:2446     66:3530     67:1421   
        68:652      69:2360     70:523      71:171      72:1596     73:7      
        74:1319     75:183      76:297      77:903      78:516      79:295    
        80:938      81:867      82:580      83:410      84:587      85:1046   
        86:505      87:652      88:354      89:1417     90:43       91:1757   
        92:325      93:1049     94:775      95:50       96:91       97:140    
        98:165      99:9       100:1       110:1       111:1       113:41     
       114:134     115:166     116:1045    117:412     118:267     119:555    
       120:105     121:691     122:895     123:451     124:857     125:1269   
       128:359     129:219     130:136     131:409     132:72      133:9      
       134:190     135:31      136:225     137:123     138:144     139:86     
       140:415     141:112     142:375     143:338     144:318     145:52     
       146:373     147:142     148:605     149:212     150:142     151:210    
       152:140     153:131     154:10      155:251     156:165     157:304    
       158:166     159:299     160:273     161:131     162:252     163:136    
       164:509     165:503     166:360     167:350     168:659     169:160    
       170:462     171:40      172:10      173:123     174:10      187:14     
       188:1       189:328     190:2469    192:5823    193:4144    194:3292   
       195:2643    196:1043    198:3720    199:3329    200:5536    201:1496   
       202:7833    203:8018    204:3943    205:2195    206:2301    207:2763   
       208:3761    209:3449    210:2716    211:1138    212:1552    213:1671   
       214:75      215:25      216:4387    217:1244    218:358     219:408    
       220:1172    221:470     222:286    
      
      End of report