[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, 18 Sep 2010 04:48:06 +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 18 Sep, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              331135
          Prefixes after maximum aggregation:                          152252
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     162663
      Total ASes present in the Internet Routing Table:                 34823
          Prefixes per ASN:                                              9.51
      Origin-only ASes present in the Internet Routing Table:           30197
      Origin ASes announcing only one prefix:                           14661
      Transit ASes present in the Internet Routing Table:                4626
      Transit-only ASes present in the Internet Routing Table:            101
      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:              2711
          Unregistered ASNs in the Routing Table:                        1247
      Number of 32-bit ASNs allocated by the RIRs:                        777
      Prefixes from 32-bit ASNs in the Routing Table:                    1013
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            195
      Number of addresses announced to Internet:                   2269815744
          Equivalent to 135 /8s, 74 /16s and 163 /24s
          Percentage of available address space announced:               61.2
          Percentage of allocated address space announced:               65.4
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.8
      Total number of prefixes smaller than registry allocations:      156540
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    80501
          Total APNIC prefixes after maximum aggregation:               27663
          APNIC Deaggregation factor:                                    2.91
      Prefixes being announced from the APNIC address blocks:           77482
          Unique aggregates announced from the APNIC address blocks:    34148
      APNIC Region origin ASes present in the Internet Routing Table:    4193
          APNIC Prefixes per ASN:                                       18.48
      APNIC Region origin ASes announcing only one prefix:               1170
      APNIC Region transit ASes present in the Internet Routing Table:    649
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              548634656
          Equivalent to 32 /8s, 179 /16s and 128 /24s
          Percentage of available APNIC address space announced:         77.9
      
      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:                    135830
          Total ARIN prefixes after maximum aggregation:                70008
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108483
          Unique aggregates announced from the ARIN address blocks:     42882
      ARIN Region origin ASes present in the Internet Routing Table:    13915
          ARIN Prefixes per ASN:                                         7.80
      ARIN Region origin ASes announcing only one prefix:                5331
      ARIN Region transit ASes present in the Internet Routing Table:    1382
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               733654048
          Equivalent to 43 /8s, 186 /16s and 172 /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:                     76004
          Total RIPE prefixes after maximum aggregation:                44137
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            69440
          Unique aggregates announced from the RIPE address blocks:     45491
      RIPE Region origin ASes present in the Internet Routing Table:    14793
          RIPE Prefixes per ASN:                                         4.69
      RIPE Region origin ASes announcing only one prefix:                7615
      RIPE Region transit ASes present in the Internet Routing Table:    2223
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               439134848
          Equivalent to 26 /8s, 44 /16s and 170 /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:                   30120
          Total LACNIC prefixes after maximum aggregation:               7214
          LACNIC Deaggregation factor:                                   4.18
      Prefixes being announced from the LACNIC address blocks:          28673
          Unique aggregates announced from the LACNIC address blocks:   15258
      LACNIC Region origin ASes present in the Internet Routing Table:   1350
          LACNIC Prefixes per ASN:                                      21.24
      LACNIC Region origin ASes announcing only one prefix:               421
      LACNIC Region transit ASes present in the Internet Routing Table:   235
      Average LACNIC Region AS path length visible:                       4.0
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              75506304
          Equivalent to 4 /8s, 128 /16s and 34 /24s
          Percentage of available LACNIC address space announced:        56.3
      
      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:                   7414
          Total AfriNIC prefixes after maximum aggregation:              1892
          AfriNIC Deaggregation factor:                                  3.92
      Prefixes being announced from the AfriNIC address blocks:          5721
          Unique aggregates announced from the AfriNIC address blocks:   1674
      AfriNIC Region origin ASes present in the Internet Routing Table:   405
          AfriNIC Prefixes per ASN:                                     14.13
      AfriNIC Region origin ASes announcing only one prefix:              124
      AfriNIC Region transit ASes present in the Internet Routing Table:   90
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       15
      Number of AfriNIC addresses announced to Internet:             20253184
          Equivalent to 1 /8s, 53 /16s and 10 /24s
          Percentage of available AfriNIC address space announced:       60.4
      
      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     1860       9436         501   Korea Telecom (KIX)
       7545     1369        298          84   TPG Internet Pty Ltd
       4755     1346        370         160   TATA Communications formerly 
      17488     1346        153         123   Hathway IP Over Cable Interne
      17974     1234        298          70   PT TELEKOMUNIKASI INDONESIA
      24560     1029        304         177   Bharti Airtel Ltd., Telemedia
       9583     1016         76         490   Sify Limited
       4808      931       1713         260   CNCGROUP IP network: China169
      18101      879         99         131   Reliance Infocom Ltd Internet
       9829      821        691          36   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     3792       3667         278   bellsouth.net, inc. 
       4323     2702       1107         390   Time Warner Telecom
      19262     1816       4668         286   Verizon Global Networks 
       1785     1793        698         131   PaeTec Communications, Inc.
      20115     1494       1529         653   Charter Communications 
       7018     1459       5732         946   AT&T WorldNet Services
       6478     1341        274         132   AT&T Worldnet Services 
       2386     1293        554         911   AT&T Data Communications Serv
      11492     1194        228          89   Cable One 
      22773     1193       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      448       2026         389   TDC Tele Danmark
      30890      439         99         209   Evolva Telecom
        702      409       1869         323   UUNET - Commercial IP service
       8866      403        117          19   Bulgarian Telecommunication C
       8551      402        353          46   Bezeq International
       3301      376       1672         331   TeliaNet Sweden
      34984      374         90         185   BILISIM TELEKOM
       3320      371       7328         323   Deutsche Telekom AG
      12479      360        576           5   Uni2 Autonomous System
      31148      338         18          79   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     1381       2655         343   UniNet S.A. de C.V. 
      10620     1319        247         148   TVCABLE BOGOTA 
      28573     1095        866         109   NET Servicos de Comunicao S.A
       7303      794        408         101   Telecom Argentina Stet-France
       6503      772        193         277   AVANTEL, S.A. 
      14420      578         37          74   CORPORACION NACIONAL DE TELEC
      22047      559        310          15   VTR PUNTO NET S.A. 
       3816      480        209          94   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     1152        445          10   TEDATA
      24863      728        147          39   LINKdotNET AS number
      36992      661        279         176   Etisalat MISR
       3741      266        906         224   The Internet Solution 
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      200         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      196         12          14   Starcomms Nigeria Limited
      24835      165         78           9   RAYA Telecom - Egypt
      16637      155        440          93   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     3792       3667         278   bellsouth.net, inc. 
       4323     2702       1107         390   Time Warner Telecom
       4766     1860       9436         501   Korea Telecom (KIX)
      19262     1816       4668         286   Verizon Global Networks 
       1785     1793        698         131   PaeTec Communications, Inc.
      20115     1494       1529         653   Charter Communications 
       7018     1459       5732         946   AT&T WorldNet Services
       8151     1381       2655         343   UniNet S.A. de C.V. 
       7545     1369        298          84   TPG Internet Pty Ltd
       4755     1346        370         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      2702        2312      Time Warner Telecom
       1785      1793        1662      PaeTec Communications, Inc.
      19262      1816        1530      Verizon Global Networks 
       4766      1860        1359      Korea Telecom (KIX)
       7545      1369        1285      TPG Internet Pty Ltd
      17488      1346        1223      Hathway IP Over Cable Interne
       6478      1341        1209      AT&T Worldnet Services 
       4755      1346        1186      TATA Communications formerly 
      10620      1319        1171      TVCABLE BOGOTA 
      17974      1234        1164      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
      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 
      32249   UNALLOCATED  8.225.178.0/24        3356       Level 3 Communicatio
      
      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<<
      41.223.196.0/24      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
      46.45.128.0/21       42926     RIPE Network Coordination Cen
      46.45.136.0/21       42926     RIPE Network Coordination Cen
      
      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      /12:201     
      /13:419     /14:730     /15:1320    /16:11275   /17:5437    /18:9283    
      /19:18511   /20:23458   /21:23639   /22:30953   /23:30252   /24:172587  
      /25:1015    /26:1124    /27:583     /28:167     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2418          3792      bellsouth.net, inc. 
       4766     1477          1860      Korea Telecom (KIX)
       4323     1367          2702      Time Warner Telecom
       1785     1256          1793      PaeTec Communications, Inc.
      10620     1207          1319      TVCABLE BOGOTA 
      11492     1096          1194      Cable One 
      17488     1087          1346      Hathway IP Over Cable Interne
      18566     1068          1087      Covad Communications 
       8452     1044          1152      TEDATA
      24560      930          1029      Bharti Airtel Ltd., Telemedia
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:71        2:11        4:13        8:307      12:2012     13:8      
        14:4        15:20       16:3        17:9        20:8        24:1393   
        27:339      31:1        32:61       33:12       38:701      40:97     
        41:2526     44:3        46:72       47:13       49:1        52:12     
        55:6        56:2        57:29       58:827      59:497      60:474    
        61:1081     62:1020     63:1968     64:3722     65:2300     66:3998   
        67:1862     68:1136     69:2797     70:739      71:372      72:1948   
        73:2        74:2326     75:284      76:329      77:906      78:647    
        79:414      80:1011     81:781      82:496      83:445      84:680    
        85:1036     86:432      87:682      88:324      89:1562     90:96     
        91:3044     92:426      93:992      94:1419     95:705      96:380    
        97:219      98:623      99:34      101:1       108:64      109:667    
       110:502     111:580     112:298     113:291     114:453     115:587    
       116:1098    117:658     118:510     119:869     120:137     121:703    
       122:1541    123:918     124:1221    125:1242    128:226     129:157    
       130:170     131:541     132:258     133:20      134:201     135:46     
       136:223     137:138     138:273     139:109     140:479     141:197    
       142:345     143:353     144:475     145:54      146:428     147:169    
       148:630     149:294     150:152     151:233     152:288     153:170    
       154:3       155:365     156:169     157:335     158:112     159:359    
       160:313     161:190     162:268     163:167     164:418     165:370    
       166:468     167:413     168:666     169:156     170:727     171:61     
       172:2       173:1078    174:500     175:169     176:1       177:1      
       178:483     180:648     181:1       182:211     183:254     184:156    
       186:644     187:479     188:809     189:811     190:4139    192:5775   
       193:4736    194:3435    195:2798    196:1188    198:3557    199:3579   
       200:5398    201:1578    202:8098    203:8290    204:3996    205:2383   
       206:2537    207:3065    208:3868    209:3469    210:2560    211:1307   
       212:1742    213:1684    214:673     215:66      216:4753    217:1573   
       218:473     219:398     220:1176    221:386     222:316     223:45     
      
      
      End of report