[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, 22 Nov 2008 04:12:16 +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 22 Nov, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              274832
          Prefixes after maximum aggregation:                          131770
          Deaggregation factor:                                          2.09
          Unique aggregates announced to Internet:                     133162
      Total ASes present in the Internet Routing Table:                 29863
          Prefixes per ASN:                                              9.20
      Origin-only ASes present in the Internet Routing Table:           26014
      Origin ASes announcing only one prefix:                           12666
      Transit ASes present in the Internet Routing Table:                3849
      Transit-only ASes present in the Internet Routing Table:             85
      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:               539
          Unregistered ASNs in the Routing Table:                         195
      Number of 32-bit ASNs allocated by the RIRs:                         65
      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:                   1960189952
          Equivalent to 116 /8s, 214 /16s and 32 /24s
          Percentage of available address space announced:               52.9
          Percentage of allocated address space announced:               63.2
          Percentage of available address space allocated:               83.7
          Percentage of address space in use by end-sites:               74.4
      Total number of prefixes smaller than registry allocations:      135548
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    62781
          Total APNIC prefixes after maximum aggregation:               23297
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           59732
          Unique aggregates announced from the APNIC address blocks:    26968
      APNIC Region origin ASes present in the Internet Routing Table:    3467
          APNIC Prefixes per ASN:                                       17.23
      APNIC Region origin ASes announcing only one prefix:                939
      APNIC Region transit ASes present in the Internet Routing Table:    535
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              385251744
          Equivalent to 22 /8s, 246 /16s and 121 /24s
          Percentage of available APNIC address space announced:         76.5
      
      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:                    124396
          Total ARIN prefixes after maximum aggregation:                64922
          ARIN Deaggregation factor:                                     1.92
      Prefixes being announced from the ARIN address blocks:            93713
          Unique aggregates announced from the ARIN address blocks:     34784
      ARIN Region origin ASes present in the Internet Routing Table:    12613
          ARIN Prefixes per ASN:                                         7.43
      ARIN Region origin ASes announcing only one prefix:                4877
      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:               401255584
          Equivalent to 23 /8s, 234 /16s and 172 /24s
          Percentage of available ARIN address space announced:          82.5
      
      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:                     60483
          Total RIPE prefixes after maximum aggregation:                36191
          RIPE Deaggregation factor:                                     1.67
      Prefixes being announced from the RIPE address blocks:            56086
          Unique aggregates announced from the RIPE address blocks:     37394
      RIPE Region origin ASes present in the Internet Routing Table:    12213
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                6430
      RIPE Region transit ASes present in the Internet Routing Table:    1854
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          18
      Number of RIPE addresses announced to Internet:               379496800
          Equivalent to 22 /8s, 158 /16s and 169 /24s
          Percentage of available RIPE address space announced:          87.0
      
      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:                   22382
          Total LACNIC prefixes after maximum aggregation:               5571
          LACNIC Deaggregation factor:                                   4.02
      Prefixes being announced from the LACNIC address blocks:          20411
          Unique aggregates announced from the LACNIC address blocks:   11400
      LACNIC Region origin ASes present in the Internet Routing Table:   1030
          LACNIC Prefixes per ASN:                                      19.82
      LACNIC Region origin ASes announcing only one prefix:               338
      LACNIC Region transit ASes present in the Internet Routing Table:   168
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              58127616
          Equivalent to 3 /8s, 118 /16s and 245 /24s
          Percentage of available LACNIC address space announced:        57.7
      
      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:                   4273
          Total AfriNIC prefixes after maximum aggregation:              1359
          AfriNIC Deaggregation factor:                                  3.14
      Prefixes being announced from the AfriNIC address blocks:          4575
          Unique aggregates announced from the AfriNIC address blocks:   2171
      AfriNIC Region origin ASes present in the Internet Routing Table:   270
          AfriNIC Prefixes per ASN:                                     16.94
      AfriNIC Region origin ASes announcing only one prefix:               82
      AfriNIC Region transit ASes present in the Internet Routing Table:   56
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12953856
          Equivalent to 0 /8s, 197 /16s and 169 /24s
          Percentage of available AfriNIC address space announced:       25.7
      
      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     1425        100         114   Hathway IP Over Cable Interne
       4755     1182        474         155   TATA Communications formerly 
       9583     1149         87         480   Sify Limited
       4766     1092       6409         364   Korea Telecom (KIX)
       4134      905      14768         370   CHINANET-BACKBONE
      23577      809         35         696   Korea Telecom (ATM-MPLS)
      18101      786        167          31   Reliance Infocom Ltd Internet
       4780      731        357          63   Digital United Inc.
       9498      689        295          50   BHARTI BT INTERNET LTD.
       7545      642        152          80   TPG Internet Pty Ltd
      
      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     4370       3434         344   bellsouth.net, inc. 
        209     3000       4032         619   Qwest 
       6298     2151        333         633   Cox Communicatons 
      20115     1840       1461         735   Charter Communications 
       1785     1701        717         155   PaeTec Communications, Inc.
       6478     1677        369         200   AT&T Worldnet Services 
       2386     1592        701         901   AT&T Data Communications Serv
       4323     1586       1068         376   Time Warner Telecom
       7018     1411       5869         974   AT&T WorldNet Services
      11492     1217        192          12   Cable One 
      
      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      429       1766         380   TDC Tele Danmark
      12479      370        578           6   Uni2 Autonomous System
      30890      366         95         188   SC Kappa Invexim SRL
       3301      338       1429         307   TeliaNet Sweden
      29049      338         26           3   AzerSat LLC.
       8866      336        111          23   Bulgarian Telecommunication C
       3320      323       7062         272   Deutsche Telekom AG
       8452      323        188          11   TEDATA
       3215      316       2788          99   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     1400       2832         221   UniNet S.A. de C.V. 
      11830      671        299           9   Instituto Costarricense de El
      10620      563        128          55   TVCABLE BOGOTA 
      22047      533        270          14   VTR PUNTO NET S.A. 
       7303      496        244          71   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      347        469          24   NET Servicos de Comunicao S.A
      14117      331         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      562         71          46   LINKdotNET AS number
       3741      271        857         227   The Internet Solution 
      20858      261         34           3   EgyNet
       2018      238        215         138   Tertiary Education Network 
      29571      147         13           8   Ci Telecom Autonomous system 
       6713      144        135          11   Itissalat Al-MAGHRIB
      33783      141         10          15   EEPAD TISP TELECOM & INTERNET
       5713      121        555          70   Telkom SA Ltd 
       5536      120          8          17   Internet Egypt Network
      33776      116          6           3   Starcomms Nigeria Limited
      
      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     4370       3434         344   bellsouth.net, inc. 
        209     3000       4032         619   Qwest 
       6298     2151        333         633   Cox Communicatons 
      20115     1840       1461         735   Charter Communications 
       1785     1701        717         155   PaeTec Communications, Inc.
       6478     1677        369         200   AT&T Worldnet Services 
       2386     1592        701         901   AT&T Data Communications Serv
       4323     1586       1068         376   Time Warner Telecom
      17488     1425        100         114   Hathway IP Over Cable Interne
       7018     1411       5869         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      3000        2381      Qwest 
       1785      1701        1546      PaeTec Communications, Inc.
       6298      2151        1518      Cox Communicatons 
       6478      1677        1477      AT&T Worldnet Services 
      17488      1425        1311      Hathway IP Over Cable Interne
       4323      1586        1210      Time Warner Telecom
      11492      1217        1205      Cable One 
       8151      1400        1179      UniNet S.A. de C.V. 
      20115      1840        1105      Charter Communications 
      18566      1059        1049      Covad Communications 
      
      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
      41.187.0.0/16        20928     Noor Advanced Technologies AS
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      62.212.32.0/19       34797     Egrisi JSC.
      
      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      /11:54      /12:157     
      /13:307     /14:546     /15:1078    /16:10163   /17:4466    /18:7697    
      /19:16573   /20:19448   /21:19173   /22:24314   /23:24952   /24:143111  
      /25:843     /26:1009    /27:789     /28:88      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2856          4370      bellsouth.net, inc. 
       6298     2125          2151      Cox Communicatons 
        209     1720          3000      Qwest 
       2386     1271          1592      AT&T Data Communications Serv
      17488     1215          1425      Hathway IP Over Cable Interne
      11492     1192          1217      Cable One 
       1785     1161          1701      PaeTec Communications, Inc.
       6478     1106          1677      AT&T Worldnet Services 
      18566     1040          1059      Covad Communications 
       9583     1015          1149      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1         4:12        8:157      12:2178     13:2        15:21     
        16:3        17:5        20:36       24:1124     30:1        32:54     
        38:517      40:93       41:811      43:1        44:2        47:12     
        52:3        55:3        56:3        57:27       58:497      59:551    
        60:455      61:1041     62:1131     63:2015     64:3286     65:2436   
        66:3532     67:1332     68:845      69:2356     70:897      71:170    
        72:2087     73:7        74:1304     75:169      76:288      77:891    
        78:518      79:291      80:936      81:864      82:583      83:409    
        84:587      85:1047     86:507      87:656      88:348      89:1367   
        90:29       91:1684     92:309      93:975      94:676      95:29     
        96:91       97:137      98:394      99:15      100:1       113:39     
       114:128     115:153     116:1035    117:407     118:291     119:551    
       120:106     121:645     122:819     123:455     124:832     125:1186   
       128:359     129:219     130:136     131:406     132:72      133:9      
       134:187     135:31      136:224     137:118     138:144     139:85     
       140:417     141:111     142:393     143:315     144:301     145:53     
       146:373     147:143     148:600     149:209     150:143     151:210    
       152:140     153:131     154:10      155:276     156:175     157:301    
       158:168     159:297     160:274     161:132     162:249     163:135    
       164:517     165:509     166:361     167:339     168:628     169:155    
       170:455     171:40      172:10      173:140     174:5       187:18     
       188:1       189:321     190:2392    192:5825    193:4131    194:3288   
       195:2626    196:1026    198:3714    199:3299    200:5523    201:1474   
       202:7637    203:8069    204:3936    205:2179    206:2298    207:2772   
       208:3734    209:3440    210:2622    211:1122    212:1547    213:1649   
       214:69      215:25      216:4390    217:1241    218:352     219:412    
       220:1073    221:437     222:308    
      
      End of report