[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, 13 Sep 2008 04:08:34 +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 13 Sep, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              268412
          Prefixes after maximum aggregation:                          129628
          Deaggregation factor:                                          2.07
          Unique aggregates announced to Internet:                     130442
      Total ASes present in the Internet Routing Table:                 29220
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25414
      Origin ASes announcing only one prefix:                           12361
      Transit ASes present in the Internet Routing Table:                3806
      Transit-only ASes present in the Internet Routing Table:             87
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      26
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               561
          Unregistered ASNs in the Routing Table:                         209
      Number of 32-bit ASNs allocated by the RIRs:                         60
      Prefixes from 32-bit ASNs in the Routing Table:                       8
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            767
      Number of addresses announced to Internet:                   1916473632
          Equivalent to 114 /8s, 59 /16s and 17 /24s
          Percentage of available address space announced:               51.7
          Percentage of allocated address space announced:               62.8
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.5
      Total number of prefixes smaller than registry allocations:      131675
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    62162
          Total APNIC prefixes after maximum aggregation:               22841
          APNIC Deaggregation factor:                                    2.72
      Prefixes being announced from the APNIC address blocks:           59072
          Unique aggregates announced from the APNIC address blocks:    26366
      APNIC Region origin ASes present in the Internet Routing Table:    3375
          APNIC Prefixes per ASN:                                       17.50
      APNIC Region origin ASes announcing only one prefix:                908
      APNIC Region transit ASes present in the Internet Routing Table:    531
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              376051488
          Equivalent to 22 /8s, 106 /16s and 23 /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
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 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:                    121875
          Total ARIN prefixes after maximum aggregation:                64530
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            91148
          Unique aggregates announced from the ARIN address blocks:     34980
      ARIN Region origin ASes present in the Internet Routing Table:    12439
          ARIN Prefixes per ASN:                                         7.33
      ARIN Region origin ASes announcing only one prefix:                4806
      ARIN Region transit ASes present in the Internet Routing Table:    1193
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          16
      Number of ARIN addresses announced to Internet:               361286880
          Equivalent to 21 /8s, 136 /16s and 204 /24s
          Percentage of available ARIN address space announced:          74.3
      
      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:                     58112
          Total RIPE prefixes after maximum aggregation:                35166
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            53245
          Unique aggregates announced from the RIPE address blocks:     35726
      RIPE Region origin ASes present in the Internet Routing Table:    11863
          RIPE Prefixes per ASN:                                         4.49
      RIPE Region origin ASes announcing only one prefix:                6234
      RIPE Region transit ASes present in the Internet Routing Table:    1805
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               371846720
          Equivalent to 22 /8s, 41 /16s and 238 /24s
          Percentage of available RIPE address space announced:          85.2
      
      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, 47104-48127
      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:                   21616
          Total LACNIC prefixes after maximum aggregation:               5369
          LACNIC Deaggregation factor:                                   4.03
      Prefixes being announced from the LACNIC address blocks:          19815
          Unique aggregates announced from the LACNIC address blocks:   10925
      LACNIC Region origin ASes present in the Internet Routing Table:    997
          LACNIC Prefixes per ASN:                                      19.87
      LACNIC Region origin ASes announcing only one prefix:               330
      LACNIC Region transit ASes present in the Internet Routing Table:   171
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC addresses announced to Internet:              55251968
          Equivalent to 3 /8s, 75 /16s and 20 /24s
          Percentage of available LACNIC address space announced:        54.9
      
      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:                   4086
          Total AfriNIC prefixes after maximum aggregation:              1260
          AfriNIC Deaggregation factor:                                  3.24
      Prefixes being announced from the AfriNIC address blocks:          4403
          Unique aggregates announced from the AfriNIC address blocks:   2012
      AfriNIC Region origin ASes present in the Internet Routing Table:   256
          AfriNIC Prefixes per ASN:                                     17.20
      AfriNIC Region origin ASes announcing only one prefix:               83
      AfriNIC Region transit ASes present in the Internet Routing Table:   53
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12717312
          Equivalent to 0 /8s, 194 /16s and 13 /24s
          Percentage of available AfriNIC address space announced:       37.9
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1718        538         181   Videsh Sanchar Nigam Ltd. Aut
      17488     1378         93          98   Hathway IP Over Cable Interne
       9583     1146         89         487   Sify Limited
       4766      876       6408         360   Korea Telecom (KIX)
       4134      841      13651         345   CHINANET-BACKBONE
      23577      818         34         693   Korea Telecom (ATM-MPLS)
      18101      766        152          51   Reliance Infocom Ltd Internet
       4780      714        353          61   Digital United Inc.
       9498      676        291          54   BHARTI BT INTERNET LTD.
       4808      629       1156         138   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     4298       3416         339   bellsouth.net, inc. 
        209     2918       3873         620   Qwest 
       6298     1965        314         757   Cox Communicatons 
      20115     1677       1414         719   Charter Communications 
       1785     1653        710         156   AppliedTheory Corporation 
       2386     1555        691         895   AT&T Data Communications Serv
       4323     1520       1073         375   Time Warner Telecom
       7018     1405       5801         974   AT&T WorldNet Services
      11492     1210        151          19   Cable One 
       6478     1155        240         185   AT&T Worldnet Services 
      
      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      420       1777         377   TDC Tele Danmark
       3301      334       1460         305   TeliaNet Sweden
       8452      328        188          11   TEDATA
       3215      327       2756         106   France Telecom Transpac
       3320      326       7063         274   Deutsche Telekom AG
      30890      323         87         176   SC Kappa Invexim SRL
       8866      317         77          21   Bulgarian Telecommunication C
       5462      296        794          27   Telewest Broadband
       8551      286        270          37   Bezeq International
        680      275       2047         265   DFN-IP service G-WiN
      
      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     1604       2607         222   UniNet S.A. de C.V. 
      11830      667        299           9   Instituto Costarricense de El
      22047      564        270          14   VTR PUNTO NET S.A. 
       7303      486        239          67   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
      10620      424        104          62   TVCABLE BOGOTA 
       6471      420         85          48   ENTEL CHILE S.A. 
      11172      409        118          72   Servicios Alestra S.A de C.V 
      28573      350        442          29   NET Servicos de Comunicao S.A
      14117      345         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      512         67          32   LINKdotNET AS number
      20858      403         34           3   EgyNet
       3741      265        855         223   The Internet Solution 
       2018      231        214         138   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      137         10          13   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
       5713      118        555          68   Telkom SA Ltd 
      33776      116          6           3   Starcomms Nigeria Limited
      29571      107         13           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     4298       3416         339   bellsouth.net, inc. 
        209     2918       3873         620   Qwest 
       6298     1965        314         757   Cox Communicatons 
       4755     1718        538         181   Videsh Sanchar Nigam Ltd. Aut
      20115     1677       1414         719   Charter Communications 
       1785     1653        710         156   AppliedTheory Corporation 
       8151     1604       2607         222   UniNet S.A. de C.V. 
       2386     1555        691         895   AT&T Data Communications Serv
       4323     1520       1073         375   Time Warner Telecom
       7018     1405       5801         974   AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2918        2298      Qwest 
       4755      1718        1537      Videsh Sanchar Nigam Ltd. Aut
       1785      1653        1497      AppliedTheory Corporation 
       8151      1604        1382      UniNet S.A. de C.V. 
      17488      1378        1280      Hathway IP Over Cable Interne
       6298      1965        1208      Cox Communicatons 
      11492      1210        1191      Cable One 
       4323      1520        1145      Time Warner Telecom
      18566      1048        1038      Covad Communications 
       6478      1155         970      AT&T Worldnet Services 
      
      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
      22492   UNALLOCATED   12.2.46.0/24          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
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        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 
      63.140.213.0/24      22555     Universal Talkware Corporatio
      63.143.71.0/24         701     UUNET Technologies, Inc. 
      63.143.115.0/24        701     UUNET Technologies, Inc. 
      
      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       /10:17      /11:45      /12:146     
      /13:294     /14:525     /15:1069    /16:10073   /17:4381    /18:7696    
      /19:16085   /20:19021   /21:18546   /22:23244   /23:24388   /24:140269  
      /25:784     /26:948     /27:747     /28:89      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2851          4298      bellsouth.net, inc. 
       6298     1940          1965      Cox Communicatons 
        209     1684          2918      Qwest 
       2386     1232          1555      AT&T Data Communications Serv
      11492     1191          1210      Cable One 
      17488     1185          1378      Hathway IP Over Cable Interne
       1785     1122          1653      AppliedTheory Corporation 
       4755     1053          1718      Videsh Sanchar Nigam Ltd. Aut
       6478     1048          1155      AT&T Worldnet Services 
      18566     1029          1048      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:139      12:2140     13:2        15:21       16:3      
        17:5        18:13       20:35       24:1089     32:59       38:493    
        40:92       41:725      43:1        44:2        47:12       52:3      
        55:3        56:3        57:27       58:525      59:517      60:451    
        61:969      62:1213     63:2039     64:3193     65:2375     66:3454   
        67:1228     68:774      69:2274     70:844      71:164      72:1990   
        73:7        74:1150     75:164      76:265      77:793      78:824    
        79:265      80:947      81:833      82:580      83:366      84:575    
        85:1021     86:400      87:714      88:335      89:1360     90:21     
        91:1480     92:262      93:819      94:140      96:65       97:77     
        98:315      99:8       114:97      115:44      116:1015    117:362    
       118:243     119:488     120:83      121:591     122:845     123:438    
       124:853     125:1194    128:356     129:201     130:134     131:411    
       132:70      133:9       134:178     135:32      136:223     137:93     
       138:140     139:81      140:505     141:102     142:408     143:306    
       144:363     145:51      146:370     147:157     148:517     149:207    
       150:128     151:182     152:146     153:136     154:10      155:283    
       156:175     157:299     158:162     159:302     160:274     161:139    
       162:253     163:155     164:516     165:494     166:364     167:331    
       168:632     169:143     170:438     171:33      172:10      173:33     
       186:1       187:1       188:1       189:610     190:2210    192:5707   
       193:4145    194:3252    195:2573    196:996     198:3725    199:3294   
       200:5592    201:1528    202:7841    203:8071    204:3931    205:2120   
       206:2354    207:2738    208:3577    209:3421    210:2600    211:1093   
       212:1427    213:1625    214:179     215:50      216:4333    217:1213   
       218:346     219:437     220:1060    221:426     222:316    
      
      End of report