[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
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 17 Jul 2010 04:11:46 +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 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 17 Jul, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              325312
          Prefixes after maximum aggregation:                          149926
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     159012
      Total ASes present in the Internet Routing Table:                 34366
          Prefixes per ASN:                                              9.47
      Origin-only ASes present in the Internet Routing Table:           29833
      Origin ASes announcing only one prefix:                           14455
      Transit ASes present in the Internet Routing Table:                4533
      Transit-only ASes present in the Internet Routing Table:            100
      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:               308
          Unregistered ASNs in the Routing Table:                         118
      Number of 32-bit ASNs allocated by the RIRs:                        686
      Prefixes from 32-bit ASNs in the Routing Table:                     825
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            166
      Number of addresses announced to Internet:                   2276042112
          Equivalent to 135 /8s, 169 /16s and 165 /24s
          Percentage of available address space announced:               61.4
          Percentage of allocated address space announced:               66.2
          Percentage of available address space allocated:               92.8
          Percentage of address space in use by end-sites:               83.8
      Total number of prefixes smaller than registry allocations:      154768
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    78953
          Total APNIC prefixes after maximum aggregation:               27110
          APNIC Deaggregation factor:                                    2.91
      Prefixes being announced from the APNIC address blocks:           75847
          Unique aggregates announced from the APNIC address blocks:    33498
      APNIC Region origin ASes present in the Internet Routing Table:    4111
          APNIC Prefixes per ASN:                                       18.45
      APNIC Region origin ASes announcing only one prefix:               1138
      APNIC Region transit ASes present in the Internet Routing Table:    633
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              531282208
          Equivalent to 31 /8s, 170 /16s and 185 /24s
          Percentage of available APNIC address space announced:         79.2
      
      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:                    134218
          Total ARIN prefixes after maximum aggregation:                69466
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           107063
          Unique aggregates announced from the ARIN address blocks:     41911
      ARIN Region origin ASes present in the Internet Routing Table:    13792
          ARIN Prefixes per ASN:                                         7.76
      ARIN Region origin ASes announcing only one prefix:                5279
      ARIN Region transit ASes present in the Internet Routing Table:    1357
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               729625120
          Equivalent to 43 /8s, 125 /16s and 50 /24s
          Percentage of available ARIN address space announced:          62.1
      
      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:                     74811
          Total RIPE prefixes after maximum aggregation:                43408
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            67993
          Unique aggregates announced from the RIPE address blocks:     44455
      RIPE Region origin ASes present in the Internet Routing Table:    14604
          RIPE Prefixes per ASN:                                         4.66
      RIPE Region origin ASes announcing only one prefix:                7511
      RIPE Region transit ASes present in the Internet Routing Table:    2179
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               434075776
          Equivalent to 25 /8s, 223 /16s and 120 /24s
          Percentage of available RIPE address space announced:          76.1
      
      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:                   28966
          Total LACNIC prefixes after maximum aggregation:               6957
          LACNIC Deaggregation factor:                                   4.16
      Prefixes being announced from the LACNIC address blocks:          27578
          Unique aggregates announced from the LACNIC address blocks:   14516
      LACNIC Region origin ASes present in the Internet Routing Table:   1307
          LACNIC Prefixes per ASN:                                      21.10
      LACNIC Region origin ASes announcing only one prefix:               410
      LACNIC Region transit ASes present in the Internet Routing Table:   232
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC addresses announced to Internet:              75606464
          Equivalent to 4 /8s, 129 /16s and 169 /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:                   7287
          Total AfriNIC prefixes after maximum aggregation:              1866
          AfriNIC Deaggregation factor:                                  3.91
      Prefixes being announced from the AfriNIC address blocks:          5592
          Unique aggregates announced from the AfriNIC address blocks:   1599
      AfriNIC Region origin ASes present in the Internet Routing Table:   380
          AfriNIC Prefixes per ASN:                                     14.72
      AfriNIC Region origin ASes announcing only one prefix:              117
      AfriNIC Region transit ASes present in the Internet Routing Table:   85
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19625216
          Equivalent to 1 /8s, 43 /16s and 117 /24s
          Percentage of available AfriNIC address space announced:       58.5
      
      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       8425         493   Korea Telecom (KIX)
       7545     1379        232         105   TPG Internet Pty Ltd
       4755     1375        297         162   TATA Communications formerly 
      17488     1333        145         127   Hathway IP Over Cable Interne
      17974     1166        285          51   PT TELEKOMUNIKASI INDONESIA
       9583     1001         74         485   Sify Limited
      24560      957        305         178   Bharti Airtel Ltd., Telemedia
       4134      879      21740         411   CHINANET-BACKBONE
       4808      824       1572         215   CNCGROUP IP network: China169
       9829      813        685          32   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     3891       3718         287   bellsouth.net, inc. 
       4323     2717       1112         393   Time Warner Telecom
      19262     1827       4562         274   Verizon Global Networks 
       1785     1780        698         129   PaeTec Communications, Inc.
      20115     1548       1524         653   Charter Communications 
       7018     1484       5736         963   AT&T WorldNet Services
       2386     1284        568         905   AT&T Data Communications Serv
       6478     1257        253         197   AT&T Worldnet Services 
      22773     1173       2859          65   Cox Communications, Inc.
       3356     1162      10879         405   Level 3 Communications, LLC 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      35805      652         56           6   United Telecom of Georgia
       9198      497        202          13   Kazakhtelecom Data Network Ad
       3292      452       2027         393   TDC Tele Danmark
      30890      440        111         206   Evolva Telecom
        702      413       1869         325   UUNET - Commercial IP service
       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      362         89         183   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     1529       3033         248   UniNet S.A. de C.V. 
      10620     1072        240         149   TVCABLE BOGOTA 
      28573     1042        812          99   NET Servicos de Comunicao S.A
       7303      736        390          93   Telecom Argentina Stet-France
       6503      700        177         219   AVANTEL, S.A. 
      22047      551        310          15   VTR PUNTO NET S.A. 
       3816      503        218          88   Empresa Nacional de Telecomun
      14420      498         32          72   CORPORACION NACIONAL DE TELEC
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      11172      449         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     1101        445          10   TEDATA
      24863      727        147          39   LINKdotNET AS number
      36992      650        279         185   Etisalat MISR
       3741      267        834         229   The Internet Solution 
      33776      220         12          12   Starcomms Nigeria Limited
       2018      209        244          61   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      24835      189         78           9   RAYA Telecom - Egypt
      29571      177         19          10   Ci Telecom Autonomous system 
      16637      166        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     3891       3718         287   bellsouth.net, inc. 
       4323     2717       1112         393   Time Warner Telecom
       4766     1859       8425         493   Korea Telecom (KIX)
      19262     1827       4562         274   Verizon Global Networks 
       1785     1780        698         129   PaeTec Communications, Inc.
      20115     1548       1524         653   Charter Communications 
       8151     1529       3033         248   UniNet S.A. de C.V. 
       7018     1484       5736         963   AT&T WorldNet Services
       7545     1379        232         105   TPG Internet Pty Ltd
       4755     1375        297         162   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      2717        2324      Time Warner Telecom
       1785      1780        1651      PaeTec Communications, Inc.
      19262      1827        1553      Verizon Global Networks 
       4766      1859        1366      Korea Telecom (KIX)
       8151      1529        1281      UniNet S.A. de C.V. 
       7545      1379        1274      TPG Internet Pty Ltd
       4755      1375        1213      TATA Communications formerly 
      17488      1333        1206      Hathway IP Over Cable Interne
      17974      1166        1115      PT TELEKOMUNIKASI INDONESIA
      22773      1173        1108      Cox Communications, Inc.
      
      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        /8:21       /9:10      /10:25      /11:68      /12:197     
      /13:408     /14:713     /15:1289    /16:11185   /17:5357    /18:9179    
      /19:18475   /20:23046   /21:23004   /22:29925   /23:29564   /24:169691  
      /25:1006    /26:1277    /27:702     /28:110     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2491          3891      bellsouth.net, inc. 
       4766     1487          1859      Korea Telecom (KIX)
       4323     1392          2717      Time Warner Telecom
       1785     1241          1780      PaeTec Communications, Inc.
      17488     1078          1333      Hathway IP Over Cable Interne
      11492     1068          1160      Cable One 
      18566     1068          1087      Covad Communications 
       8452      993          1101      TEDATA
      10620      988          1072      TVCABLE BOGOTA 
       7018      885          1484      AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:10        2:2         4:13        8:287      12:2018     13:7      
        14:1        15:22       16:3        17:8        20:6        24:1464   
        27:251      31:1        32:49       33:12       38:688      40:98     
        41:2399     44:3        46:2        47:17       52:9        55:5      
        56:2        57:28       58:755      59:503      60:461      61:1088   
        62:1042     63:1970     64:3678     65:2347     66:4045     67:1828   
        68:1109     69:2690     70:723      71:385      72:1947     73:2      
        74:2262     75:248      76:316      77:897      78:619      79:430    
        80:974      81:765      82:492      83:444      84:680      85:1050   
        86:458      87:682      88:340      89:1563     90:94       91:2875   
        92:503      93:987      94:1401     95:645      96:356      97:212    
        98:610      99:31      108:100     109:567     110:384     111:547    
       112:286     113:319     114:431     115:568     116:1088    117:654    
       118:483     119:880     120:131     121:728     122:1483    123:944    
       124:1116    125:1322    128:226     129:199     130:196     131:553    
       132:247     133:17      134:195     135:45      136:241     137:145    
       138:265     139:104     140:483     141:197     142:337     143:370    
       144:470     145:50      146:449     147:167     148:663     149:301    
       150:153     151:229     152:298     153:169     154:2       155:359    
       156:160     157:296     158:109     159:356     160:316     161:183    
       162:249     163:177     164:405     165:365     166:458     167:414    
       168:649     169:157     170:708     171:59      172:2       173:942    
       174:480     175:146     176:1       178:301     180:522     182:149    
       183:235     184:111     186:499     187:391     188:1008    189:768    
       190:3813    192:5737    193:4719    194:3396    195:2800    196:1192   
       198:3577    199:3456    200:5336    201:1565    202:7972    203:8285   
       204:4074    205:2319    206:2486    207:3104    208:3864    209:3453   
       210:2532    211:1272    212:1711    213:1663    214:639     215:69     
       216:4699    217:1525    218:498     219:378     220:1149    221:402    
       222:316     223:1      
      
      End of report