[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, 14 Feb 2009 04:17:47 +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 14 Feb, 2009
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              279513
          Prefixes after maximum aggregation:                          133074
          Deaggregation factor:                                          2.10
          Unique aggregates announced to Internet:                     136951
      Total ASes present in the Internet Routing Table:                 30575
          Prefixes per ASN:                                              9.14
      Origin-only ASes present in the Internet Routing Table:           26606
      Origin ASes announcing only one prefix:                           12952
      Transit ASes present in the Internet Routing Table:                3969
      Transit-only ASes present in the Internet Routing Table:             93
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      25
          Max AS path prepend of ASN (18678)                               21
      Prefixes from unregistered ASNs in the Routing Table:               530
          Unregistered ASNs in the Routing Table:                         181
      Number of 32-bit ASNs allocated by the RIRs:                        100
      Prefixes from 32-bit ASNs in the Routing Table:                      15
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            229
      Number of addresses announced to Internet:                   2001869152
          Equivalent to 119 /8s, 82 /16s and 25 /24s
          Percentage of available address space announced:               54.0
          Percentage of allocated address space announced:               63.2
          Percentage of available address space allocated:               85.5
          Percentage of address space in use by end-sites:               75.7
      Total number of prefixes smaller than registry allocations:      137208
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    64538
          Total APNIC prefixes after maximum aggregation:               23028
          APNIC Deaggregation factor:                                    2.80
      Prefixes being announced from the APNIC address blocks:           61376
          Unique aggregates announced from the APNIC address blocks:    27784
      APNIC Region origin ASes present in the Internet Routing Table:    3532
          APNIC Prefixes per ASN:                                       17.38
      APNIC Region origin ASes announcing only one prefix:                955
      APNIC Region transit ASes present in the Internet Routing Table:    550
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              401272544
          Equivalent to 23 /8s, 234 /16s and 238 /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, 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:                    123310
          Total ARIN prefixes after maximum aggregation:                65208
          ARIN Deaggregation factor:                                     1.89
      Prefixes being announced from the ARIN address blocks:            92830
          Unique aggregates announced from the ARIN address blocks:     35508
      ARIN Region origin ASes present in the Internet Routing Table:    12768
          ARIN Prefixes per ASN:                                         7.27
      ARIN Region origin ASes announcing only one prefix:                4910
      ARIN Region transit ASes present in the Internet Routing Table:    1219
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          20
      Number of ARIN addresses announced to Internet:               414191136
          Equivalent to 24 /8s, 176 /16s and 14 /24s
          Percentage of available ARIN address space announced:          79.6
      
      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, 108/8, 173/8,
                             174/8, 184/8, 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:                     63332
          Total RIPE prefixes after maximum aggregation:                37311
          RIPE Deaggregation factor:                                     1.70
      Prefixes being announced from the RIPE address blocks:            58109
          Unique aggregates announced from the RIPE address blocks:     38768
      RIPE Region origin ASes present in the Internet Routing Table:    12667
          RIPE Prefixes per ASN:                                         4.59
      RIPE Region origin ASes announcing only one prefix:                6658
      RIPE Region transit ASes present in the Internet Routing Table:    1917
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          22
      Number of RIPE addresses announced to Internet:               388763232
          Equivalent to 23 /8s, 44 /16s and 14 /24s
          Percentage of available RIPE address space announced:          82.8
      
      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, 47104-49151
      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, 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:                   23309
          Total LACNIC prefixes after maximum aggregation:               5725
          LACNIC Deaggregation factor:                                   4.07
      Prefixes being announced from the LACNIC address blocks:          21464
          Unique aggregates announced from the LACNIC address blocks:   11842
      LACNIC Region origin ASes present in the Internet Routing Table:   1064
          LACNIC Prefixes per ASN:                                      20.17
      LACNIC Region origin ASes announcing only one prefix:               343
      LACNIC Region transit ASes present in the Internet Routing Table:   178
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              60696704
          Equivalent to 3 /8s, 158 /16s and 40 /24s
          Percentage of available LACNIC address space announced:        60.3
      
      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:                   4526
          Total AfriNIC prefixes after maximum aggregation:              1392
          AfriNIC Deaggregation factor:                                  3.25
      Prefixes being announced from the AfriNIC address blocks:          4100
          Unique aggregates announced from the AfriNIC address blocks:   1391
      AfriNIC Region origin ASes present in the Internet Routing Table:   284
          AfriNIC Prefixes per ASN:                                     14.44
      AfriNIC Region origin ASes announcing only one prefix:               86
      AfriNIC Region transit ASes present in the Internet Routing Table:   58
      Average AfriNIC Region AS path length visible:                      4.0
          Max AfriNIC Region AS path length visible:                       19
      Number of AfriNIC addresses announced to Internet:              9995264
          Equivalent to 0 /8s, 152 /16s and 132 /24s
          Percentage of available AfriNIC address space announced:       29.8
      
      AfriNIC AS Blocks      36864-37887 & 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     1654       6924         381   Korea Telecom (KIX)
      17488     1524        110          98   Hathway IP Over Cable Interne
       4755     1208        429         178   TATA Communications formerly 
       9583     1083        107         362   Sify Limited
       4134      904      16247         368   CHINANET-BACKBONE
      18101      754        190          27   Reliance Infocom Ltd Internet
       7545      720        158          97   TPG Internet Pty Ltd
       9498      682        297          53   BHARTI BT INTERNET LTD.
      24560      671        228         174   Bharti Airtel Ltd.
       9829      639        491          19   BSNL National Internet Backbo
      
      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     4368       3433         344   bellsouth.net, inc. 
        209     2833       4035         615   Qwest 
       1785     1786        733         139   PaeTec Communications, Inc.
       4323     1638       1081         375   Time Warner Telecom
      20115     1592       1417         726   Charter Communications 
       7018     1439       5877         993   AT&T WorldNet Services
       2386     1253        714         895   AT&T Data Communications Serv
       6478     1235        293         501   AT&T Worldnet Services 
      11492     1226        192          12   Cable One 
       3356     1141      10976         439   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
       8452     1075        188           7   TEDATA
       3292      443       1762         388   TDC Tele Danmark
      30890      439         88         201   SC Kappa Invexim SRL
      12479      397        578           6   Uni2 Autonomous System
       3320      339       7064         290   Deutsche Telekom AG
       3301      338       1669         304   TeliaNet Sweden
       8866      336        109          22   Bulgarian Telecommunication C
       3215      331       2946         103   France Telecom Transpac
      29049      331         26           3   AzerSat LLC.
       8551      312        288          40   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     1484       2834         230   UniNet S.A. de C.V. 
      10620      747        163          92   TVCABLE BOGOTA 
      11830      694        299           9   Instituto Costarricense de El
      22047      619        302          14   VTR PUNTO NET S.A. 
       7303      511        255          79   Telecom Argentina Stet-France
       6471      439         95          42   ENTEL CHILE S.A. 
      16814      427         27          11   NSS, S.A. 
      11172      407        118          75   Servicios Alestra S.A de C.V 
       7738      397        794          28   Telecomunicacoes da Bahia S.A
      28573      371        506          23   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      651         74          39   LINKdotNET AS number
      20858      276         34           3   This AS will be used to conne
       3741      271        857         229   The Internet Solution 
       2018      242        215         142   Tertiary Education Network 
      33783      150         10           8   EEPAD TISP TELECOM & INTERNET
       6713      144        135          11   Itissalat Al-MAGHRIB
      29571      128         15           8   Ci Telecom Autonomous system 
       5536      119          7          20   Internet Egypt Network
      33776      118          6           3   Starcomms Nigeria Limited
       5713      115        523          64   Telkom SA Ltd 
      
      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     4368       3433         344   bellsouth.net, inc. 
        209     2833       4035         615   Qwest 
       1785     1786        733         139   PaeTec Communications, Inc.
       4766     1654       6924         381   Korea Telecom (KIX)
       4323     1638       1081         375   Time Warner Telecom
      20115     1592       1417         726   Charter Communications 
      17488     1524        110          98   Hathway IP Over Cable Interne
       8151     1484       2834         230   UniNet S.A. de C.V. 
       7018     1439       5877         993   AT&T WorldNet Services
       2386     1253        714         895   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
        209      2833        2218      Qwest 
       1785      1786        1647      PaeTec Communications, Inc.
      17488      1524        1426      Hathway IP Over Cable Interne
       4766      1654        1273      Korea Telecom (KIX)
       4323      1638        1263      Time Warner Telecom
       8151      1484        1254      UniNet S.A. de C.V. 
      11492      1226        1214      Cable One 
       8452      1075        1068      TEDATA
      18566      1061        1051      Covad Communications 
       4755      1208        1030      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         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
      24.75.116.0/22       10796     ServiceCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      41.220.16.0/20        8668     TelOne Zimbabwe P/L
      41.223.112.0/22       5713     Telkom SA Ltd 
      41.223.188.0/24      22351     Intelsat 
      41.223.189.0/24      26452     Local Communications Networks
      62.12.96.0/19        15834     Menanet Communications
      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      /10:20      /11:54      /12:162     
      /13:311     /14:575     /15:1128    /16:10327   /17:4585    /18:7857    
      /19:16906   /20:19888   /21:19496   /22:24720   /23:24959   /24:146354  
      /25:677     /26:830     /27:515     /28:104     /29:8       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2844          4368      bellsouth.net, inc. 
        209     1576          2833      Qwest 
       4766     1379          1654      Korea Telecom (KIX)
      17488     1305          1524      Hathway IP Over Cable Interne
       1785     1196          1786      PaeTec Communications, Inc.
      11492     1188          1226      Cable One 
       8452     1049          1075      TEDATA
      18566     1042          1061      Covad Communications 
       2386      941          1253      AT&T Data Communications Serv
       9583      931          1083      Sify Limited
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:13        8:181      12:2192     13:2        15:21       16:3      
        17:5        20:35       24:1108     32:51       38:543      40:96     
        41:1805     43:1        44:2        47:11       52:3        55:2      
        56:3        57:25       58:529      59:610      60:460      61:1097   
        62:1120     63:2008     64:3428     65:2431     66:3539     67:1470   
        68:652      69:2479     70:507      71:159      72:1612     73:2      
        74:1420     75:203      76:305      77:777      78:545      79:321    
        80:968      81:823      82:547      83:397      84:604      85:989    
        86:400      87:624      88:349      89:1386     90:42       91:1967   
        92:278      93:1083     94:1097     95:415      96:91       97:179    
        98:192      99:16      109:1       110:1       111:1       112:79     
       113:83      114:175     115:221     116:1161    117:477     118:269    
       119:647     120:137     121:703     122:945     123:514     124:849    
       125:1279    128:223     129:222     130:134     131:410     132:75     
       133:9       134:343     135:37      136:224     137:139     138:145    
       139:78      140:412     141:105     142:377     143:319     144:319    
       145:38      146:373     147:147     148:535     149:227     150:141    
       151:198     152:152     153:132     154:10      155:258     156:171    
       157:294     158:156     159:240     160:282     161:138     162:274    
       163:142     164:516     165:502     166:274     167:351     168:682    
       169:161     170:471     171:39      172:10      173:212     174:64     
       178:1       186:5       187:60      189:305     190:2557    192:5813   
       193:4198    194:3337    195:2694    196:1068    198:3683    199:3279   
       200:5513    201:1492    202:7812    203:7985    204:3859    205:2166   
       206:2354    207:2776    208:3825    209:3477    210:2612    211:1122   
       212:1509    213:1713    214:68      215:30      216:4560    217:1202   
       218:372     219:407     220:1209    221:459     222:306    
      
      End of report