[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, 14 Aug 2010 04:19:28 +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 14 Aug, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              327733
          Prefixes after maximum aggregation:                          151079
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     160689
      Total ASes present in the Internet Routing Table:                 34560
          Prefixes per ASN:                                              9.48
      Origin-only ASes present in the Internet Routing Table:           29983
      Origin ASes announcing only one prefix:                           14554
      Transit ASes present in the Internet Routing Table:                4577
      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:               860
          Unregistered ASNs in the Routing Table:                         433
      Number of 32-bit ASNs allocated by the RIRs:                        727
      Prefixes from 32-bit ASNs in the Routing Table:                     904
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            176
      Number of addresses announced to Internet:                   2288066240
          Equivalent to 136 /8s, 97 /16s and 30 /24s
          Percentage of available address space announced:               61.7
          Percentage of allocated address space announced:               65.9
          Percentage of available address space allocated:               93.7
          Percentage of address space in use by end-sites:               84.2
      Total number of prefixes smaller than registry allocations:      155492
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    79750
          Total APNIC prefixes after maximum aggregation:               27336
          APNIC Deaggregation factor:                                    2.92
      Prefixes being announced from the APNIC address blocks:           76668
          Unique aggregates announced from the APNIC address blocks:    33794
      APNIC Region origin ASes present in the Internet Routing Table:    4155
          APNIC Prefixes per ASN:                                       18.45
      APNIC Region origin ASes announcing only one prefix:               1159
      APNIC Region transit ASes present in the Internet Routing Table:    641
      Average APNIC Region AS path length visible:                        3.7
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              539648800
          Equivalent to 32 /8s, 42 /16s and 99 /24s
          Percentage of available APNIC address space announced:         76.6
      
      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:                    135111
          Total ARIN prefixes after maximum aggregation:                69791
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           107970
          Unique aggregates announced from the ARIN address blocks:     42371
      ARIN Region origin ASes present in the Internet Routing Table:    13847
          ARIN Prefixes per ASN:                                         7.80
      ARIN Region origin ASes announcing only one prefix:                5310
      ARIN Region transit ASes present in the Internet Routing Table:    1364
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               731174304
          Equivalent to 43 /8s, 148 /16s and 213 /24s
          Percentage of available ARIN address space announced:          62.3
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  50/8,  52/8,  54/8,
                              55/8,  56/8,  63/8,  64/8,  65/8,  66/8,  67/8,
                              68/8,  69/8,  70/8,  71/8,  72/8,  73/8,  74/8,
                              75/8,  76/8,  96/8,  97/8,  98/8,  99/8, 107/8,
                             108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
                             206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                            
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     74801
          Total RIPE prefixes after maximum aggregation:                43787
          RIPE Deaggregation factor:                                     1.71
      Prefixes being announced from the RIPE address blocks:            68193
          Unique aggregates announced from the RIPE address blocks:     44831
      RIPE Region origin ASes present in the Internet Routing Table:    14675
          RIPE Prefixes per ASN:                                         4.65
      RIPE Region origin ASes announcing only one prefix:                7553
      RIPE Region transit ASes present in the Internet Routing Table:    2201
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               434991872
          Equivalent to 25 /8s, 237 /16s and 115 /24s
          Percentage of available RIPE address space announced:          76.3
      
      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:                   29552
          Total LACNIC prefixes after maximum aggregation:               7056
          LACNIC Deaggregation factor:                                   4.19
      Prefixes being announced from the LACNIC address blocks:          28053
          Unique aggregates announced from the LACNIC address blocks:   14979
      LACNIC Region origin ASes present in the Internet Routing Table:   1321
          LACNIC Prefixes per ASN:                                      21.24
      LACNIC Region origin ASes announcing only one prefix:               407
      LACNIC Region transit ASes present in the Internet Routing Table:   235
      Average LACNIC Region AS path length visible:                       3.9
          Max LACNIC Region AS path length visible:                        20
      Number of LACNIC addresses announced to Internet:              76476928
          Equivalent to 4 /8s, 142 /16s and 242 /24s
          Percentage of available LACNIC address space announced:        57.0
      
      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:                   7368
          Total AfriNIC prefixes after maximum aggregation:              1881
          AfriNIC Deaggregation factor:                                  3.92
      Prefixes being announced from the AfriNIC address blocks:          5700
          Unique aggregates announced from the AfriNIC address blocks:   1657
      AfriNIC Region origin ASes present in the Internet Routing Table:   392
          AfriNIC Prefixes per ASN:                                     14.54
      AfriNIC Region origin ASes announcing only one prefix:              125
      AfriNIC Region transit ASes present in the Internet Routing Table:   89
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19938304
          Equivalent to 1 /8s, 48 /16s and 60 /24s
          Percentage of available AfriNIC address space announced:       59.4
      
      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     1862       8410         495   Korea Telecom (KIX)
       4755     1481        298         164   TATA Communications formerly 
       7545     1376        234          87   TPG Internet Pty Ltd
      17488     1343        149         127   Hathway IP Over Cable Interne
      17974     1216        292          74   PT TELEKOMUNIKASI INDONESIA
      24560     1005        304         181   Bharti Airtel Ltd., Telemedia
       9583     1003         74         487   Sify Limited
       4808      899       1671         245   CNCGROUP IP network: China169
       9829      818        687          34   BSNL National Internet Backbo
       4134      787      22220         415   CHINANET-BACKBONE
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3856       3684         276   bellsouth.net, inc. 
       4323     2730       1116         393   Time Warner Telecom
      19262     1946       4613         279   Verizon Global Networks 
       1785     1785        698         129   PaeTec Communications, Inc.
      20115     1489       1526         653   Charter Communications 
       7018     1478       5734         952   AT&T WorldNet Services
       6478     1289        255         145   AT&T Worldnet Services 
       2386     1284        553         907   AT&T Data Communications Serv
      22773     1176       2858          61   Cox Communications, Inc.
      11492     1175        209          90   Cable One 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      449       2026         390   TDC Tele Danmark
      30890      443         99         211   Evolva Telecom
        702      414       1870         326   UUNET - Commercial IP service
       8866      403        117          18   Bulgarian Telecommunication C
       8551      401        353          46   Bezeq International
       3320      376       7329         325   Deutsche Telekom AG
       3301      373       1415         328   TeliaNet Sweden
      34984      367         89         183   BILISIM TELEKOM
      12479      352        576           5   Uni2 Autonomous System
       3215      322       3218          94   France Telecom Transpac
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1527       3049         247   UniNet S.A. de C.V. 
      10620     1091        244         150   TVCABLE BOGOTA 
      28573     1067        833         111   NET Servicos de Comunicao S.A
       6503      811        187         264   AVANTEL, S.A. 
       7303      788        408          99   Telecom Argentina Stet-France
      22047      550        310          15   VTR PUNTO NET S.A. 
      14420      547         35          75   CORPORACION NACIONAL DE TELEC
       7738      477        922          30   Telecomunicacoes da Bahia S.A
       3816      474        208          98   Empresa Nacional de Telecomun
      11172      447         99          76   Servicios Alestra S.A de C.V 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1168        445          10   TEDATA
      24863      728        147          39   LINKdotNET AS number
      36992      655        279         183   Etisalat MISR
       3741      270        898         232   The Internet Solution 
      33776      206         12          12   Starcomms Nigeria Limited
       2018      197        277          64   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      29571      192         19          11   Ci Telecom Autonomous system 
      24835      188         78           9   RAYA Telecom - Egypt
      16637      147        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     3856       3684         276   bellsouth.net, inc. 
       4323     2730       1116         393   Time Warner Telecom
      19262     1946       4613         279   Verizon Global Networks 
       4766     1862       8410         495   Korea Telecom (KIX)
       1785     1785        698         129   PaeTec Communications, Inc.
       8151     1527       3049         247   UniNet S.A. de C.V. 
      20115     1489       1526         653   Charter Communications 
       4755     1481        298         164   TATA Communications formerly 
       7018     1478       5734         952   AT&T WorldNet Services
       7545     1376        234          87   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      2730        2337      Time Warner Telecom
      19262      1946        1667      Verizon Global Networks 
       1785      1785        1656      PaeTec Communications, Inc.
       4766      1862        1367      Korea Telecom (KIX)
       4755      1481        1317      TATA Communications formerly 
       7545      1376        1289      TPG Internet Pty Ltd
       8151      1527        1280      UniNet S.A. de C.V. 
      17488      1343        1216      Hathway IP Over Cable Interne
       8452      1168        1158      TEDATA
       6478      1289        1144      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      22015   UNALLOCATED  8.22.137.0/24        14989       Broadview Networks 
      16927   UNALLOCATED  12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        7018       AT&T WorldNet Servic
      23054   UNALLOCATED  12.18.240.0/24        7018       AT&T WorldNet Servic
      33198   UNALLOCATED  12.19.149.0/24         701       UUNET Technologies, 
      36178   UNALLOCATED  12.20.60.0/23         6128       Cablevision Systems 
      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
      
      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      /11:67      /12:198     
      /13:412     /14:718     /15:1304    /16:11200   /17:5397    /18:9236    
      /19:18562   /20:23299   /21:23290   /22:30291   /23:29761   /24:170761  
      /25:1058    /26:1205    /27:741     /28:117     /29:47      /30:6       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2466          3856      bellsouth.net, inc. 
       4766     1488          1862      Korea Telecom (KIX)
       4323     1393          2730      Time Warner Telecom
       1785     1252          1785      PaeTec Communications, Inc.
      17488     1086          1343      Hathway IP Over Cable Interne
      11492     1083          1175      Cable One 
      18566     1068          1087      Covad Communications 
       8452     1057          1168      TEDATA
      10620     1005          1091      TVCABLE BOGOTA 
      19262      913          1946      Verizon Global Networks 
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:44        2:2         4:13        8:294      12:2016     13:7      
        14:1        15:21       16:3        17:9        20:6        24:1442   
        27:294      31:1        32:61       33:22       38:695      40:97     
        41:2504     44:3        46:23       47:16       52:12       55:7      
        56:2        57:28       58:780      59:508      60:460      61:1073   
        62:1059     63:1972     64:3730     65:2321     66:4026     67:1838   
        68:1102     69:2765     70:744      71:444      72:1944     73:2      
        74:2303     75:253      76:326      77:890      78:620      79:433    
        80:1015     81:801      82:499      83:488      84:689      85:1043   
        86:461      87:690      88:304      89:1526     90:99       91:2959   
        92:412      93:1000     94:1173     95:667      96:530      97:212    
        98:626      99:33      108:109     109:614     110:435     111:537    
       112:281     113:310     114:435     115:576     116:1094    117:654    
       118:490     119:889     120:139     121:725     122:1531    123:953    
       124:1129    125:1242    128:227     129:162     130:194     131:558    
       132:247     133:16      134:195     135:45      136:240     137:136    
       138:270     139:105     140:477     141:197     142:340     143:376    
       144:473     145:52      146:425     147:171     148:676     149:272    
       150:154     151:228     152:297     153:168     154:3       155:358    
       156:166     157:327     158:119     159:361     160:316     161:180    
       162:252     163:173     164:413     165:366     166:463     167:413    
       168:646     169:159     170:716     171:59      172:2       173:978    
       174:516     175:160     176:1       177:1       178:341     180:514    
       181:1       182:179     183:239     184:147     186:549     187:418    
       188:806     189:765     190:3899    192:5755    193:4732    194:3400   
       195:2790    196:1181    198:3567    199:3534    200:5354    201:1588   
       202:8016    203:8273    204:4035    205:2403    206:2484    207:3067   
       208:3881    209:3470    210:2546    211:1305    212:1719    213:1675   
       214:659     215:69      216:4679    217:1546    218:502     219:379    
       220:1139    221:402     222:316     223:2      
      
      End of report