[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, 10 Jul 2010 04:10:06 +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 NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG 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 10 Jul, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              325466
          Prefixes after maximum aggregation:                          149552
          Deaggregation factor:                                          2.18
          Unique aggregates announced to Internet:                     158969
      Total ASes present in the Internet Routing Table:                 34308
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           29787
      Origin ASes announcing only one prefix:                           14424
      Transit ASes present in the Internet Routing Table:                4521
      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:                                      25
          Max AS path prepend of ASN (41664)                               21
      Prefixes from unregistered ASNs in the Routing Table:               302
          Unregistered ASNs in the Routing Table:                         115
      Number of 32-bit ASNs allocated by the RIRs:                        679
      Prefixes from 32-bit ASNs in the Routing Table:                     817
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            158
      Number of addresses announced to Internet:                   2254936928
          Equivalent to 134 /8s, 103 /16s and 155 /24s
          Percentage of available address space announced:               60.8
          Percentage of allocated address space announced:               65.6
          Percentage of available address space allocated:               92.8
          Percentage of address space in use by end-sites:               83.6
      Total number of prefixes smaller than registry allocations:      155267
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    78693
          Total APNIC prefixes after maximum aggregation:               27034
          APNIC Deaggregation factor:                                    2.91
      Prefixes being announced from the APNIC address blocks:           75569
          Unique aggregates announced from the APNIC address blocks:    33337
      APNIC Region origin ASes present in the Internet Routing Table:    4107
          APNIC Prefixes per ASN:                                       18.40
      APNIC Region origin ASes announcing only one prefix:               1132
      APNIC Region transit ASes present in the Internet Routing Table:    638
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              526528800
          Equivalent to 31 /8s, 98 /16s and 49 /24s
          Percentage of available APNIC address space announced:         78.5
      
      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,  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, 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:                    134709
          Total ARIN prefixes after maximum aggregation:                69317
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           107638
          Unique aggregates announced from the ARIN address blocks:     41899
      ARIN Region origin ASes present in the Internet Routing Table:    13775
          ARIN Prefixes per ASN:                                         7.81
      ARIN Region origin ASes announcing only one prefix:                5281
      ARIN Region transit ASes present in the Internet Routing Table:    1351
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               730782240
          Equivalent to 43 /8s, 142 /16s and 218 /24s
          Percentage of available ARIN address space announced:          62.2
      
      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:                     74687
          Total RIPE prefixes after maximum aggregation:                43289
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            67835
          Unique aggregates announced from the RIPE address blocks:     44452
      RIPE Region origin ASes present in the Internet Routing Table:    14572
          RIPE Prefixes per ASN:                                         4.66
      RIPE Region origin ASes announcing only one prefix:                7500
      RIPE Region transit ASes present in the Internet Routing Table:    2177
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               433722912
          Equivalent to 25 /8s, 218 /16s and 22 /24s
          Percentage of available RIPE address space announced:          76.0
      
      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:                   28990
          Total LACNIC prefixes after maximum aggregation:               6947
          LACNIC Deaggregation factor:                                   4.17
      Prefixes being announced from the LACNIC address blocks:          27474
          Unique aggregates announced from the LACNIC address blocks:   14473
      LACNIC Region origin ASes present in the Internet Routing Table:   1305
          LACNIC Prefixes per ASN:                                      21.05
      LACNIC Region origin ASes announcing only one prefix:               401
      LACNIC Region transit ASes present in the Internet Routing Table:   226
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              75275520
          Equivalent to 4 /8s, 124 /16s and 157 /24s
          Percentage of available LACNIC address space announced:        56.1
      
      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:                   7322
          Total AfriNIC prefixes after maximum aggregation:              1844
          AfriNIC Deaggregation factor:                                  3.97
      Prefixes being announced from the AfriNIC address blocks:          5621
          Unique aggregates announced from the AfriNIC address blocks:   1725
      AfriNIC Region origin ASes present in the Internet Routing Table:   373
          AfriNIC Prefixes per ASN:                                     15.07
      AfriNIC Region origin ASes announcing only one prefix:              110
      AfriNIC Region transit ASes present in the Internet Routing Table:   82
      Average AfriNIC Region AS path length visible:                      3.8
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19610368
          Equivalent to 1 /8s, 43 /16s and 59 /24s
          Percentage of available AfriNIC address space announced:       58.4
      
      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     1857       8425         493   Korea Telecom (KIX)
       4755     1369        296         163   TATA Communications formerly 
       7545     1359        232         105   TPG Internet Pty Ltd
      17488     1322        144         125   Hathway IP Over Cable Interne
      17974     1156        285          28   PT TELEKOMUNIKASI INDONESIA
       9583      999         74         488   Sify Limited
      24560      927        305         168   Bharti Airtel Ltd., Telemedia
       4134      877      21420         409   CHINANET-BACKBONE
       4808      824       1575         219   CNCGROUP IP network: China169
       9829      810        683          29   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     3903       3734         290   bellsouth.net, inc. 
       4323     2719       1114         394   Time Warner Telecom
      19262     1827       4562         274   Verizon Global Networks 
       1785     1778        698         129   PaeTec Communications, Inc.
      20115     1546       1522         655   Charter Communications 
       7018     1510       5735         962   AT&T WorldNet Services
       6478     1284        258         126   AT&T Worldnet Services 
       2386     1279        567         903   AT&T Data Communications Serv
       3356     1175      10877         405   Level 3 Communications, LLC 
      22773     1167       2859          65   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
      35805      650         56           6   United Telecom of Georgia
       3292      452       2027         393   TDC Tele Danmark
      30890      442        111         207   Evolva Telecom
        702      414       1869         326   UUNET - Commercial IP service
       9198      409        202          13   Kazakhtelecom Data Network Ad
       8866      402        117          18   Bulgarian Telecommunication C
       8551      400        353          46   Bezeq International
       3320      373       7329         324   Deutsche Telekom AG
       3301      372       1414         327   TeliaNet Sweden
      34984      359         89         185   BILISIM TELEKOM
      
      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     1523       3017         245   UniNet S.A. de C.V. 
      10620     1062        238         150   TVCABLE BOGOTA 
      28573     1028        795          98   NET Servicos de Comunicao S.A
       7303      760        390         104   Telecom Argentina Stet-France
       6503      682        175         219   AVANTEL, S.A. 
      22047      548        310          15   VTR PUNTO NET S.A. 
       3816      499        216          87   Empresa Nacional de Telecomun
      14420      489         31          71   CORPORACION NACIONAL DE TELEC
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      451         99          77   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     1165        445          10   TEDATA
      24863      727        147          39   LINKdotNET AS number
      36992      646        279         185   Etisalat MISR
       3741      267        834         229   The Internet Solution 
      33776      219         12          11   Starcomms Nigeria Limited
       2018      209        244          61   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      24835      191         78          10   RAYA Telecom - Egypt
      29571      177         19          10   Ci Telecom Autonomous system 
      16637      161        440          96   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     3903       3734         290   bellsouth.net, inc. 
       4323     2719       1114         394   Time Warner Telecom
       4766     1857       8425         493   Korea Telecom (KIX)
      19262     1827       4562         274   Verizon Global Networks 
       1785     1778        698         129   PaeTec Communications, Inc.
      20115     1546       1522         655   Charter Communications 
       8151     1523       3017         245   UniNet S.A. de C.V. 
       7018     1510       5735         962   AT&T WorldNet Services
       4755     1369        296         163   TATA Communications formerly 
       7545     1359        232         105   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      2719        2325      Time Warner Telecom
       1785      1778        1649      PaeTec Communications, Inc.
      19262      1827        1553      Verizon Global Networks 
       4766      1857        1364      Korea Telecom (KIX)
       8151      1523        1278      UniNet S.A. de C.V. 
       7545      1359        1254      TPG Internet Pty Ltd
       4755      1369        1206      TATA Communications formerly 
      17488      1322        1197      Hathway IP Over Cable Interne
       6478      1284        1158      AT&T Worldnet Services 
       8452      1165        1155      TEDATA
      
      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  12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.159.0/24        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
      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<<
      41.223.188.0/24      22351     Intelsat 
      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
      
      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      /11:68      /12:196     
      /13:407     /14:709     /15:1286    /16:11170   /17:5348    /18:9150    
      /19:18443   /20:22955   /21:22945   /22:30130   /23:29679   /24:169670  
      /25:1036    /26:1328    /27:714     /28:117     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2501          3903      bellsouth.net, inc. 
       4766     1485          1857      Korea Telecom (KIX)
       4323     1392          2719      Time Warner Telecom
       1785     1239          1778      PaeTec Communications, Inc.
      11492     1074          1165      Cable One 
      18566     1068          1087      Covad Communications 
      17488     1067          1322      Hathway IP Over Cable Interne
       8452     1053          1165      TEDATA
      10620      978          1062      TVCABLE BOGOTA 
       7018      910          1510      AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:7         2:2         4:13        8:287      12:2015     13:7      
        14:1        15:22       16:3        17:8        20:17       24:1458   
        27:238      31:1        32:49       33:12       38:680      40:98     
        41:2446     44:3        46:1        47:18       52:9        55:4      
        56:2        57:28       58:752      59:501      60:459      61:1086   
        62:1065     63:1977     64:3655     65:2360     66:4042     67:1815   
        68:1106     69:2868     70:725      71:381      72:1952     73:2      
        74:2269     75:247      76:313      77:937      78:617      79:436    
        80:984      81:799      82:488      83:444      84:679      85:1051   
        86:456      87:680      88:331      89:1552     90:94       91:2863   
        92:487      93:989      94:1398     95:640      96:353      97:209    
        98:589      99:31      108:100     109:560     110:364     111:542    
       112:284     113:316     114:429     115:567     116:1073    117:651    
       118:479     119:941     120:132     121:724     122:1460    123:933    
       124:1122    125:1320    128:227     129:201     130:196     131:553    
       132:251     133:17      134:196     135:45      136:240     137:158    
       138:264     139:104     140:383     141:198     142:345     143:375    
       144:469     145:50      146:451     147:168     148:664     149:300    
       150:152     151:230     152:296     153:169     154:2       155:328    
       156:159     157:322     158:109     159:379     160:315     161:181    
       162:254     163:177     164:409     165:366     166:460     167:412    
       168:652     169:157     170:712     171:59      172:2       173:934    
       174:470     175:138     176:1       178:279     180:516     182:151    
       183:235     184:107     186:491     187:385     188:1004    189:781    
       190:3803    192:5733    193:4706    194:3375    195:2798    196:1184   
       198:3575    199:3460    200:5336    201:1564    202:7950    203:8284   
       204:4069    205:2330    206:2520    207:3114    208:3868    209:3454   
       210:2529    211:1268    212:1709    213:1640    214:641     215:69     
       216:4673    217:1531    218:496     219:378     220:1138    221:401    
       222:316     223:1      
      
      End of report