[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, 30 Aug 2008 04:08:19 +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 30 Aug, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              267403
          Prefixes after maximum aggregation:                          129611
          Deaggregation factor:                                          2.06
          Unique aggregates announced to Internet:                     130029
      Total ASes present in the Internet Routing Table:                 29086
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25321
      Origin ASes announcing only one prefix:                           12271
      Transit ASes present in the Internet Routing Table:                3765
      Transit-only ASes present in the Internet Routing Table:             83
      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:               584
          Unregistered ASNs in the Routing Table:                         211
      Number of 32-bit ASNs allocated by the RIRs:                         59
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            758
      Number of addresses announced to Internet:                   1895287072
          Equivalent to 112 /8s, 247 /16s and 201 /24s
          Percentage of available address space announced:               51.1
          Percentage of allocated address space announced:               62.1
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.3
      Total number of prefixes smaller than registry allocations:      131240
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    61349
          Total APNIC prefixes after maximum aggregation:               22780
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           58289
          Unique aggregates announced from the APNIC address blocks:    26196
      APNIC Region origin ASes present in the Internet Routing Table:    3351
          APNIC Prefixes per ASN:                                       17.39
      APNIC Region origin ASes announcing only one prefix:                885
      APNIC Region transit ASes present in the Internet Routing Table:    511
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              374332192
          Equivalent to 22 /8s, 79 /16s and 219 /24s
          Percentage of available APNIC address space announced:         79.7
      
      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:                    122481
          Total ARIN prefixes after maximum aggregation:                64799
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            91576
          Unique aggregates announced from the ARIN address blocks:     35030
      ARIN Region origin ASes present in the Internet Routing Table:    12412
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4782
      ARIN Region transit ASes present in the Internet Routing Table:    1189
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          15
      Number of ARIN addresses announced to Internet:               360803168
          Equivalent to 21 /8s, 129 /16s and 107 /24s
          Percentage of available ARIN address space announced:          74.2
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
      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:                     57701
          Total RIPE prefixes after maximum aggregation:                34980
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            52817
          Unique aggregates announced from the RIPE address blocks:     35529
      RIPE Region origin ASes present in the Internet Routing Table:    11793
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                6194
      RIPE Region transit ASes present in the Internet Routing Table:    1795
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               370029760
          Equivalent to 22 /8s, 14 /16s and 52 /24s
          Percentage of available RIPE address space announced:          84.8
      
      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:                   21248
          Total LACNIC prefixes after maximum aggregation:               5325
          LACNIC Deaggregation factor:                                   3.99
      Prefixes being announced from the LACNIC address blocks:          19481
          Unique aggregates announced from the LACNIC address blocks:   10795
      LACNIC Region origin ASes present in the Internet Routing Table:    986
          LACNIC Prefixes per ASN:                                      19.76
      LACNIC Region origin ASes announcing only one prefix:               324
      LACNIC Region transit ASes present in the Internet Routing Table:   167
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              54844416
          Equivalent to 3 /8s, 68 /16s and 220 /24s
          Percentage of available LACNIC address space announced:        54.5
      
      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:                   4039
          Total AfriNIC prefixes after maximum aggregation:              1253
          AfriNIC Deaggregation factor:                                  3.22
      Prefixes being announced from the AfriNIC address blocks:          4386
          Unique aggregates announced from the AfriNIC address blocks:   1910
      AfriNIC Region origin ASes present in the Internet Routing Table:   252
          AfriNIC Prefixes per ASN:                                     17.40
      AfriNIC Region origin ASes announcing only one prefix:               86
      AfriNIC Region transit ASes present in the Internet Routing Table:   54
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12647424
          Equivalent to 0 /8s, 192 /16s and 252 /24s
          Percentage of available AfriNIC address space announced:       37.7
      
      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     1712        538         180   Videsh Sanchar Nigam Ltd. Aut
      17488     1370         89         104   Hathway IP Over Cable Interne
       9583     1109         89         492   Sify Limited
       4766      871       6407         357   Korea Telecom (KIX)
       4134      838      13619         341   CHINANET-BACKBONE
      23577      820         35         695   Korea Telecom (ATM-MPLS)
       4780      712        353          61   Digital United Inc.
      18101      694        167          31   Reliance Infocom Ltd Internet
       9498      674        291          53   BHARTI BT INTERNET LTD.
       4808      623       1108         136   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     4307       3416         344   bellsouth.net, inc. 
        209     2883       3873         617   Qwest 
       6298     2013        323         717   Cox Communicatons 
       1785     1649        710         156   AppliedTheory Corporation 
       2386     1559        691         900   AT&T Data Communications Serv
       4323     1500       1073         374   Time Warner Telecom
      20115     1478       1194         670   Charter Communications 
       7018     1409       5785         978   AT&T WorldNet Services
      11492     1211        151          22   Cable One 
       6478     1134        239         187   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      414       1776         372   TDC Tele Danmark
       3215      396       2756         106   France Telecom Transpac
       8452      358        188          11   TEDATA
       3301      334       1444         305   TeliaNet Sweden
       3320      323       7047         271   Deutsche Telekom AG
       8866      317         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      288        270          38   Bezeq International
        680      275       2047         265   DFN-IP service G-WiN
       8708      267        422         252   Romania Data Systems S.A.
      
      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     1589       2606         230   UniNet S.A. de C.V. 
      11830      664        299           9   Instituto Costarricense de El
      22047      564        270          14   VTR PUNTO NET S.A. 
       7303      477        235          67   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      421         85          48   ENTEL CHILE S.A. 
      10620      411        102          71   TVCABLE BOGOTA 
      11172      409        118          73   Servicios Alestra S.A de C.V 
      14117      345         23           9   Telefonica del Sur S.A. 
      28573      338        440          29   NET Servicos de Comunicao 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      508         65          36   LINKdotNET AS number
      20858      402         34           3   EgyNet
       3741      266        855         223   The Internet Solution 
       2018      229        214         135   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      136         10          13   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
      33776      119          6           3   Starcomms Nigeria Limited
       5713      118        539          70   Telkom SA Ltd 
      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     4307       3416         344   bellsouth.net, inc. 
        209     2883       3873         617   Qwest 
       6298     2013        323         717   Cox Communicatons 
       4755     1712        538         180   Videsh Sanchar Nigam Ltd. Aut
       1785     1649        710         156   AppliedTheory Corporation 
       8151     1589       2606         230   UniNet S.A. de C.V. 
       2386     1559        691         900   AT&T Data Communications Serv
       4323     1500       1073         374   Time Warner Telecom
      20115     1478       1194         670   Charter Communications 
       7018     1409       5785         978   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      2883        2266      Qwest 
       4755      1712        1532      Videsh Sanchar Nigam Ltd. Aut
       1785      1649        1493      AppliedTheory Corporation 
       8151      1589        1359      UniNet S.A. de C.V. 
       6298      2013        1296      Cox Communicatons 
      17488      1370        1266      Hathway IP Over Cable Interne
      11492      1211        1189      Cable One 
       4323      1500        1126      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       6478      1134         947      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          701       UUNET Technologies, 
      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
      24.75.160.0/19        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. 
      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        /8:18       /9:9       /10:17      /11:45      /12:146     
      /13:292     /14:527     /15:1062    /16:10057   /17:4376    /18:7622    
      /19:16077   /20:18755   /21:18407   /22:23185   /23:24242   /24:139894  
      /25:834     /26:1022    /27:722     /28:77      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2861          4307      bellsouth.net, inc. 
       6298     1986          2013      Cox Communicatons 
        209     1652          2883      Qwest 
       2386     1237          1559      AT&T Data Communications Serv
      11492     1192          1211      Cable One 
      17488     1178          1370      Hathway IP Over Cable Interne
       1785     1118          1649      AppliedTheory Corporation 
       4755     1049          1712      Videsh Sanchar Nigam Ltd. Aut
       6478     1027          1134      AT&T Worldnet Services 
      18566     1026          1045      Covad Communications 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:136      12:2135     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1082     32:59       38:488    
        40:92       41:714      43:1        44:2        47:12       52:3      
        55:3        56:3        57:26       58:526      59:510      60:452    
        61:965      62:1209     63:2047     64:3231     65:2367     66:3453   
        67:1227     68:782      69:2289     70:868      71:132      72:2024   
        73:6        74:1127     75:170      76:314      77:769      78:801    
        79:243      80:977      81:871      82:583      83:374      84:574    
        85:982      86:401      87:717      88:339      89:1321     90:37     
        91:1428     92:251      93:808      94:111      96:62       97:65     
        98:317      99:6       114:92      115:41      116:1000    117:342    
       118:195     119:480     120:83      121:587     122:821     123:398    
       124:835     125:1194    128:356     129:202     130:134     131:413    
       132:70      133:9       134:188     135:34      136:223     137:97     
       138:141     139:94      140:507     141:103     142:407     143:312    
       144:411     145:51      146:372     147:157     148:513     149:202    
       150:127     151:180     152:145     153:136     154:10      155:278    
       156:174     157:299     158:163     159:299     160:274     161:136    
       162:256     163:158     164:515     165:490     166:365     167:332    
       168:628     169:142     170:429     171:33      172:10      173:33     
       188:1       189:549     190:2114    192:5799    193:4145    194:3251   
       195:2576    196:1025    198:3734    199:3313    200:5555    201:1527   
       202:7630    203:8095    204:3946    205:2157    206:2371    207:2758   
       208:3526    209:3431    210:2600    211:1088    212:1436    213:1613   
       214:178     215:50      216:4385    217:1207    218:346     219:429    
       220:1063    221:427     222:313    
      
      End of report