[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, pacnog at pacnog dot org, lacnog at lacnic dot net, caribnog-discuss at caribnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 25 Sep 2010 04:53:04 +1000 (EST)
  • Delivered-to: apops at mailman dot apnic dot net
  • List-archive: <http://mailman.apnic.net/mailing-lists/apops>
  • List-help: <mailto:apops-request@apops.net?subject=help>
  • List-id: Asia Pacific Operators Forum <apops.apops.net>
  • List-post: <mailto:apops@apops.net>
  • List-subscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=subscribe>
  • List-unsubscribe: <http://mailman.apnic.net/mailman/listinfo/apops>, <mailto:apops-request@apops.net?subject=unsubscribe>
  • 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 25 Sep, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              331883
          Prefixes after maximum aggregation:                          152525
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     161648
      Total ASes present in the Internet Routing Table:                 34863
          Prefixes per ASN:                                              9.52
      Origin-only ASes present in the Internet Routing Table:           30227
      Origin ASes announcing only one prefix:                           14677
      Transit ASes present in the Internet Routing Table:                4636
      Transit-only ASes present in the Internet Routing Table:            101
      Average AS path length visible in the Internet Routing Table:       3.7
          Max AS path length visible:                                      24
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:              3160
          Unregistered ASNs in the Routing Table:                        1399
      Number of 32-bit ASNs allocated by the RIRs:                        794
      Prefixes from 32-bit ASNs in the Routing Table:                    1017
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            228
      Number of addresses announced to Internet:                   2273798848
          Equivalent to 135 /8s, 135 /16s and 106 /24s
          Percentage of available address space announced:               61.3
          Percentage of allocated address space announced:               65.5
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.9
      Total number of prefixes smaller than registry allocations:      156837
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    80968
          Total APNIC prefixes after maximum aggregation:               27719
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           77853
          Unique aggregates announced from the APNIC address blocks:    32742
      APNIC Region origin ASes present in the Internet Routing Table:    4196
          APNIC Prefixes per ASN:                                       18.55
      APNIC Region origin ASes announcing only one prefix:               1167
      APNIC Region transit ASes present in the Internet Routing Table:    648
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              551901216
          Equivalent to 32 /8s, 229 /16s and 88 /24s
          Percentage of available APNIC address space announced:         78.3
      
      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:                    135903
          Total ARIN prefixes after maximum aggregation:                70118
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108637
          Unique aggregates announced from the ARIN address blocks:     43091
      ARIN Region origin ASes present in the Internet Routing Table:    13925
          ARIN Prefixes per ASN:                                         7.80
      ARIN Region origin ASes announcing only one prefix:                5334
      ARIN Region transit ASes present in the Internet Routing Table:    1380
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               734124576
          Equivalent to 43 /8s, 193 /16s and 218 /24s
          Percentage of available ARIN address space announced:          62.5
      
      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
                             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:                     76059
          Total RIPE prefixes after maximum aggregation:                44153
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            69455
          Unique aggregates announced from the RIPE address blocks:     45623
      RIPE Region origin ASes present in the Internet Routing Table:    14816
          RIPE Prefixes per ASN:                                         4.69
      RIPE Region origin ASes announcing only one prefix:                7631
      RIPE Region transit ASes present in the Internet Routing Table:    2237
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               439384960
          Equivalent to 26 /8s, 48 /16s and 123 /24s
          Percentage of available RIPE address space announced:          77.0
      
      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, 47104-52223, 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:                   30249
          Total LACNIC prefixes after maximum aggregation:               7285
          LACNIC Deaggregation factor:                                   4.15
      Prefixes being announced from the LACNIC address blocks:          28745
          Unique aggregates announced from the LACNIC address blocks:   15259
      LACNIC Region origin ASes present in the Internet Routing Table:   1354
          LACNIC Prefixes per ASN:                                      21.23
      LACNIC Region origin ASes announcing only one prefix:               422
      LACNIC Region transit ASes present in the Internet Routing Table:   232
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              75452800
          Equivalent to 4 /8s, 127 /16s and 81 /24s
          Percentage of available LACNIC address space announced:        56.2
      
      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:                   7427
          Total AfriNIC prefixes after maximum aggregation:              1881
          AfriNIC Deaggregation factor:                                  3.95
      Prefixes being announced from the AfriNIC address blocks:          5745
          Unique aggregates announced from the AfriNIC address blocks:   1675
      AfriNIC Region origin ASes present in the Internet Routing Table:   404
          AfriNIC Prefixes per ASN:                                     14.22
      AfriNIC Region origin ASes announcing only one prefix:              123
      AfriNIC Region transit ASes present in the Internet Routing Table:   93
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       17
      Number of AfriNIC addresses announced to Internet:             20374016
          Equivalent to 1 /8s, 54 /16s and 226 /24s
          Percentage of available AfriNIC address space announced:       60.7
      
      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     1859       9436         501   Korea Telecom (KIX)
       7545     1395        297          83   TPG Internet Pty Ltd
       4755     1348        368         160   TATA Communications formerly 
      17488     1347        155         124   Hathway IP Over Cable Interne
      17974     1240        299          70   PT TELEKOMUNIKASI INDONESIA
      24560     1036        304         177   Bharti Airtel Ltd., Telemedia
       9583     1015         75         488   Sify Limited
       4808      932       1714         261   CNCGROUP IP network: China169
      18101      883        100         132   Reliance Infocom Ltd Internet
       9829      823        692          33   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     3780       3667         278   bellsouth.net, inc. 
       4323     2708       1107         388   Time Warner Telecom
      19262     1818       4676         286   Verizon Global Networks 
       1785     1797        698         132   PaeTec Communications, Inc.
      20115     1494       1531         652   Charter Communications 
       7018     1461       5747         947   AT&T WorldNet Services
       6478     1352        275         123   AT&T Worldnet Services 
       2386     1293        554         912   AT&T Data Communications Serv
      11492     1207        229          85   Cable One 
      22773     1195       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      447       2026         388   TDC Tele Danmark
      30890      442         99         211   Evolva Telecom
       8866      405        117          19   Bulgarian Telecommunication C
        702      404       1868         318   UUNET - Commercial IP service
       8551      402        353          46   Bezeq International
       3301      378       1688         333   TeliaNet Sweden
      34984      376         90         185   BILISIM TELEKOM
       3320      373       7328         323   Deutsche Telekom AG
      12479      361        576           5   Uni2 Autonomous System
      31148      349         18          75   FreeNet ISP
      
      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     1341       2559         367   UniNet S.A. de C.V. 
      10620     1319        247         148   TVCABLE BOGOTA 
      28573     1114        869         108   NET Servicos de Comunicao S.A
       7303      809        424         103   Telecom Argentina Stet-France
       6503      746        223         258   AVANTEL, S.A. 
      14420      580         38          76   CORPORACION NACIONAL DE TELEC
      22047      558        310          15   VTR PUNTO NET S.A. 
       3816      482        209          95   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      444         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     1129        445          10   TEDATA
      24863      728        147          39   LINKdotNET AS number
      36992      660        279         178   Etisalat MISR
       3741      266        906         224   The Internet Solution 
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      202         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      197         12          14   Starcomms Nigeria Limited
      24835      165         78           9   RAYA Telecom - Egypt
      16637      154        440          92   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     3780       3667         278   bellsouth.net, inc. 
       4323     2708       1107         388   Time Warner Telecom
       4766     1859       9436         501   Korea Telecom (KIX)
      19262     1818       4676         286   Verizon Global Networks 
       1785     1797        698         132   PaeTec Communications, Inc.
      20115     1494       1531         652   Charter Communications 
       7018     1461       5747         947   AT&T WorldNet Services
       7545     1395        297          83   TPG Internet Pty Ltd
       6478     1352        275         123   AT&T Worldnet Services 
       4755     1348        368         160   TATA Communications formerly 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2708        2320      Time Warner Telecom
       1785      1797        1665      PaeTec Communications, Inc.
      19262      1818        1532      Verizon Global Networks 
       4766      1859        1358      Korea Telecom (KIX)
       7545      1395        1312      TPG Internet Pty Ltd
       6478      1352        1229      AT&T Worldnet Services 
      17488      1347        1223      Hathway IP Over Cable Interne
       4755      1348        1188      TATA Communications formerly 
      10620      1319        1171      TVCABLE BOGOTA 
      17974      1240        1170      PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      11946   UNALLOCATED  8.12.155.0/24        40913       Quality Technology S
      15040   UNALLOCATED  8.12.156.0/24         3356       Level 3 Communicatio
      33084   UNALLOCATED  8.15.195.0/24         3356       Level 3 Communicatio
      18826   UNALLOCATED  8.17.208.0/20         2828       XO Communications 
      16734   UNALLOCATED  8.18.204.0/24        26914       Global Netoptex, Inc
      53562   UNALLOCATED  8.19.94.0/24          3356       Level 3 Communicatio
      22015   UNALLOCATED  8.22.137.0/24        14989       Broadview Networks 
      46856   UNALLOCATED  8.22.184.0/22         3356       Level 3 Communicatio
      21893   UNALLOCATED  8.26.33.0/24          3356       Level 3 Communicatio
      26169   UNALLOCATED  8.225.177.0/24       20225       TelJet 
      
      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<<
      41.223.196.0/24      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
      46.20.80.0/20         5602     KPNQwest Italia S.p.a
      
      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        /8:20       /9:10      /10:25      /11:67      /12:202     
      /13:420     /14:730     /15:1318    /16:11289   /17:5447    /18:9267    
      /19:18479   /20:23532   /21:23780   /22:31095   /23:30369   /24:172749  
      /25:1048    /26:1163    /27:646     /28:170     /29:47      /30:3       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2407          3780      bellsouth.net, inc. 
       4766     1476          1859      Korea Telecom (KIX)
       4323     1367          2708      Time Warner Telecom
       1785     1259          1797      PaeTec Communications, Inc.
      10620     1207          1319      TVCABLE BOGOTA 
      11492     1099          1207      Cable One 
      17488     1087          1347      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
       8452     1029          1129      TEDATA
      24560      937          1036      Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:72        2:13        4:13        8:310      12:2012     13:8      
        14:9        15:20       16:3        17:9        20:8        24:1365   
        27:345      31:1        32:61       33:12       38:702      40:97     
        41:2519     44:3        46:97       47:10       49:4        52:12     
        55:5        56:2        57:30       58:867      59:505      60:477    
        61:1080     62:1049     63:1964     64:3715     65:2305     66:4025   
        67:1841     68:1136     69:2800     70:739      71:374      72:1959   
        73:2        74:2312     75:285      76:318      77:873      78:645    
        79:418      80:1021     81:798      82:498      83:454      84:680    
        85:1035     86:431      87:688      88:314      89:1574     90:98     
        91:3061     92:429      93:995      94:1167     95:703      96:397    
        97:219      98:634      99:32      101:3       108:64      109:711    
       110:430     111:579     112:297     113:284     114:452     115:594    
       116:1102    117:659     118:526     119:881     120:158     121:709    
       122:1541    123:923     124:1222    125:1241    128:226     129:157    
       130:168     131:558     132:259     133:19      134:207     135:46     
       136:223     137:138     138:274     139:109     140:478     141:197    
       142:346     143:351     144:479     145:54      146:428     147:171    
       148:629     149:305     150:152     151:233     152:288     153:171    
       154:3       155:366     156:170     157:335     158:111     159:362    
       160:315     161:189     162:268     163:165     164:414     165:368    
       166:468     167:409     168:677     169:156     170:724     171:62     
       172:2       173:1052    174:531     175:171     176:1       177:1      
       178:498     180:654     181:1       182:210     183:254     184:160    
       186:647     187:469     188:819     189:786     190:4156    192:5779   
       193:4739    194:3430    195:2822    196:1200    198:3552    199:3594   
       200:5397    201:1583    202:8111    203:8288    204:3995    205:2394   
       206:2554    207:3054    208:3885    209:3492    210:2582    211:1301   
       212:1773    213:1684    214:674     215:66      216:4753    217:1579   
       218:473     219:399     220:1176    221:389     222:314     223:42     
      
      
      End of report