[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 21 Aug 2010 04:26:13 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      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 21 Aug, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              328585
          Prefixes after maximum aggregation:                          151394
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     161190
      Total ASes present in the Internet Routing Table:                 34625
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           30038
      Origin ASes announcing only one prefix:                           14583
      Transit ASes present in the Internet Routing Table:                4587
      Transit-only ASes present in the Internet Routing Table:            105
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:              1213
          Unregistered ASNs in the Routing Table:                         618
      Number of 32-bit ASNs allocated by the RIRs:                        740
      Prefixes from 32-bit ASNs in the Routing Table:                     925
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            170
      Number of addresses announced to Internet:                   2258724928
          Equivalent to 134 /8s, 161 /16s and 104 /24s
          Percentage of available address space announced:               60.9
          Percentage of allocated address space announced:               65.1
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.4
      Total number of prefixes smaller than registry allocations:      155755
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    80054
          Total APNIC prefixes after maximum aggregation:               27467
          APNIC Deaggregation factor:                                    2.91
      Prefixes being announced from the APNIC address blocks:           76989
          Unique aggregates announced from the APNIC address blocks:    33885
      APNIC Region origin ASes present in the Internet Routing Table:    4163
          APNIC Prefixes per ASN:                                       18.49
      APNIC Region origin ASes announcing only one prefix:               1166
      APNIC Region transit ASes present in the Internet Routing Table:    641
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         21
      Number of APNIC addresses announced to Internet:              541568800
          Equivalent to 32 /8s, 71 /16s and 175 /24s
          Percentage of available APNIC address space announced:         76.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  14/8,  27/8,  43/8,  49/8,  58/8,  59/8,
                              60/8,  61/8, 101/8, 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, 133/8,
                             175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8,
                             211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    135154
          Total ARIN prefixes after maximum aggregation:                69850
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           107936
          Unique aggregates announced from the ARIN address blocks:     42495
      ARIN Region origin ASes present in the Internet Routing Table:    13862
          ARIN Prefixes per ASN:                                         7.79
      ARIN Region origin ASes announcing only one prefix:                5313
      ARIN Region transit ASes present in the Internet Routing Table:    1369
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               731597472
          Equivalent to 43 /8s, 155 /16s and 74 /24s
          Percentage of available ARIN address space announced:          62.3
      
      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
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  50/8,  52/8,  54/8,
                              55/8,  56/8,  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, 107/8,
                             108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
                             206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                            
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     75066
          Total RIPE prefixes after maximum aggregation:                43881
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            68498
          Unique aggregates announced from the RIPE address blocks:     45003
      RIPE Region origin ASes present in the Internet Routing Table:    14701
          RIPE Prefixes per ASN:                                         4.66
      RIPE Region origin ASes announcing only one prefix:                7570
      RIPE Region transit ASes present in the Internet Routing Table:    2202
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               436120704
          Equivalent to 25 /8s, 254 /16s and 172 /24s
          Percentage of available RIPE address space announced:          76.5
      
      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, 47104-52223, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  31/8,  46/8,  51/8,  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, 176/8, 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:                   29723
          Total LACNIC prefixes after maximum aggregation:               7064
          LACNIC Deaggregation factor:                                   4.21
      Prefixes being announced from the LACNIC address blocks:          28237
          Unique aggregates announced from the LACNIC address blocks:   15039
      LACNIC Region origin ASes present in the Internet Routing Table:   1332
          LACNIC Prefixes per ASN:                                      21.20
      LACNIC Region origin ASes announcing only one prefix:               410
      LACNIC Region transit ASes present in the Internet Routing Table:   239
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              76854656
          Equivalent to 4 /8s, 148 /16s and 181 /24s
          Percentage of available LACNIC address space announced:        57.3
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
                             201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   7417
          Total AfriNIC prefixes after maximum aggregation:              1893
          AfriNIC Deaggregation factor:                                  3.92
      Prefixes being announced from the AfriNIC address blocks:          5736
          Unique aggregates announced from the AfriNIC address blocks:   1684
      AfriNIC Region origin ASes present in the Internet Routing Table:   395
          AfriNIC Prefixes per ASN:                                     14.52
      AfriNIC Region origin ASes announcing only one prefix:              124
      AfriNIC Region transit ASes present in the Internet Routing Table:   88
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             20171264
          Equivalent to 1 /8s, 51 /16s and 202 /24s
          Percentage of available AfriNIC address space announced:       60.1
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & 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     1864       8412         498   Korea Telecom (KIX)
       4755     1477        298         162   TATA Communications formerly 
       7545     1380        234          86   TPG Internet Pty Ltd
      17488     1341        151         131   Hathway IP Over Cable Interne
      17974     1217        293          76   PT TELEKOMUNIKASI INDONESIA
       9583     1010         75         494   Sify Limited
      24560      996        303         179   Bharti Airtel Ltd., Telemedia
       4808      898       1671         245   CNCGROUP IP network: China169
       9829      819        689          35   BSNL National Internet Backbo
       4134      796      22476         419   CHINANET-BACKBONE
      
      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     3850       3684         276   bellsouth.net, inc. 
       4323     2710       1116         395   Time Warner Telecom
      19262     1800       4623         274   Verizon Global Networks 
       1785     1790        698         131   PaeTec Communications, Inc.
      20115     1490       1527         653   Charter Communications 
       7018     1482       5736         956   AT&T WorldNet Services
       6478     1301        272         125   AT&T Worldnet Services 
       2386     1287        554         909   AT&T Data Communications Serv
      11492     1243        214         117   Cable One 
      22773     1177       2858          61   Cox Communications, Inc.
      
      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      449       2026         390   TDC Tele Danmark
      30890      443         99         211   Evolva Telecom
        702      413       1870         326   UUNET - Commercial IP service
       8866      403        117          18   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
       3320      377       7329         326   Deutsche Telekom AG
       3301      374       1416         329   TeliaNet Sweden
      34984      367         89         182   BILISIM TELEKOM
      12479      353        576           5   Uni2 Autonomous System
       3215      321       3202          93   France Telecom Transpac
      
      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     1528       3049         247   UniNet S.A. de C.V. 
      10620     1093        244         150   TVCABLE BOGOTA 
      28573     1071        834         110   NET Servicos de Comunicao S.A
       6503      811        187         263   AVANTEL, S.A. 
       7303      791        408         101   Telecom Argentina Stet-France
      14420      552         35          78   CORPORACION NACIONAL DE TELEC
      22047      549        310          15   VTR PUNTO NET S.A. 
       7738      477        922          30   Telecomunicacoes da Bahia S.A
       3816      476        209          99   Empresa Nacional de Telecomun
      11172      447         99          76   Servicios Alestra S.A de C.V 
      
      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
       8452     1163        445          10   TEDATA
      24863      728        147          39   LINKdotNET AS number
      36992      657        279         183   Etisalat MISR
       3741      270        898         232   The Internet Solution 
      33776      209         12          12   Starcomms Nigeria Limited
       2018      197        277          64   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      24835      193         78           9   RAYA Telecom - Egypt
      29571      193         19          11   Ci Telecom Autonomous system 
      16637      149        440          95   MTN Network Solutions
      
      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     3850       3684         276   bellsouth.net, inc. 
       4323     2710       1116         395   Time Warner Telecom
       4766     1864       8412         498   Korea Telecom (KIX)
      19262     1800       4623         274   Verizon Global Networks 
       1785     1790        698         131   PaeTec Communications, Inc.
       8151     1528       3049         247   UniNet S.A. de C.V. 
      20115     1490       1527         653   Charter Communications 
       7018     1482       5736         956   AT&T WorldNet Services
       4755     1477        298         162   TATA Communications formerly 
       7545     1380        234          86   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2710        2315      Time Warner Telecom
       1785      1790        1659      PaeTec Communications, Inc.
      19262      1800        1526      Verizon Global Networks 
       4766      1864        1366      Korea Telecom (KIX)
       4755      1477        1315      TATA Communications formerly 
       7545      1380        1294      TPG Internet Pty Ltd
       8151      1528        1281      UniNet S.A. de C.V. 
      17488      1341        1210      Hathway IP Over Cable Interne
       6478      1301        1176      AT&T Worldnet Services 
       8452      1163        1153      TEDATA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16734   UNALLOCATED  8.18.204.0/24        26914       Global Netoptex, Inc
      22015   UNALLOCATED  8.22.137.0/24        14989       Broadview Networks 
      46856   UNALLOCATED  8.22.184.0/22         3561       Savvis
      26169   UNALLOCATED  8.225.177.0/24       20225       TelJet 
      32249   UNALLOCATED  8.225.178.0/24        3356       Level 3 Communicatio
      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
      23054   UNALLOCATED  12.18.240.0/24        7018       AT&T WorldNet Servic
      33198   UNALLOCATED  12.19.149.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      41.223.189.0/24       6453     Teleglobe Inc. 
      41.223.196.0/24      36990     Alkan Telecom Ltd
      41.223.197.0/24      36990     Alkan Telecom Ltd
      41.223.198.0/24      36990     Alkan Telecom Ltd
      41.223.199.0/24      36990     Alkan Telecom Ltd
      
      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      /10:25      /11:67      /12:198     
      /13:413     /14:722     /15:1311    /16:11218   /17:5411    /18:9272    
      /19:18562   /20:23351   /21:23365   /22:30395   /23:29879   /24:171207  
      /25:1056    /26:1192    /27:734     /28:118     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2463          3850      bellsouth.net, inc. 
       4766     1487          1864      Korea Telecom (KIX)
       4323     1373          2710      Time Warner Telecom
       1785     1253          1790      PaeTec Communications, Inc.
      11492     1086          1243      Cable One 
      17488     1084          1341      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
       8452     1052          1163      TEDATA
      10620     1006          1093      TVCABLE BOGOTA 
      24560      895           996      Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:55        2:2         4:13        8:299      12:2009     13:7      
        14:1        15:21       16:3        17:9        20:6        24:1430   
        27:297      31:1        32:61       33:22       38:698      40:97     
        41:2518     44:3        46:26       47:16       52:12       55:7      
        56:2        57:29       58:800      59:506      60:460      61:1075   
        62:1063     63:1968     64:3733     65:2309     66:4010     67:1823   
        68:1105     69:2771     70:745      71:357      72:1941     73:2      
        74:2318     75:263      76:327      77:889      78:618      79:438    
        80:1017     81:798      82:504      83:490      84:691      85:1047   
        86:473      87:692      88:307      89:1519     90:99       91:2974   
        92:417      93:1005     94:1176     95:679      96:521      97:216    
        98:612      99:34      108:64      109:635     110:449     111:542    
       112:277     113:312     114:447     115:574     116:1095    117:658    
       118:491     119:888     120:140     121:716     122:1532    123:945    
       124:1125    125:1246    128:227     129:164     130:201     131:539    
       132:247     133:16      134:195     135:45      136:237     137:135    
       138:270     139:105     140:474     141:197     142:342     143:374    
       144:472     145:52      146:413     147:172     148:677     149:303    
       150:153     151:228     152:299     153:169     154:3       155:361    
       156:166     157:328     158:118     159:361     160:316     161:183    
       162:255     163:168     164:414     165:367     166:457     167:413    
       168:652     169:159     170:718     171:60      172:2       173:981    
       174:511     175:154     176:1       177:1       178:406     180:586    
       181:1       182:169     183:238     184:210     186:565     187:423    
       188:796     189:759     190:3959    192:5761    193:4741    194:3418   
       195:2780    196:1186    198:3570    199:3575    200:5399    201:1586   
       202:8034    203:8262    204:4015    205:2393    206:2486    207:3063   
       208:3889    209:3466    210:2562    211:1315    212:1765    213:1682   
       214:658     215:67      216:4693    217:1556    218:502     219:379    
       220:1142    221:404     222:316     223:3      
      
      End of report