[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, 26 Jun 2010 04:12:56 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      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 26 Jun, 2010
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              323205
          Prefixes after maximum aggregation:                          149101
          Deaggregation factor:                                          2.17
          Unique aggregates announced to Internet:                     158363
      Total ASes present in the Internet Routing Table:                 34231
          Prefixes per ASN:                                              9.44
      Origin-only ASes present in the Internet Routing Table:           29720
      Origin ASes announcing only one prefix:                           14411
      Transit ASes present in the Internet Routing Table:                4511
      Transit-only ASes present in the Internet Routing Table:            108
      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:               295
          Unregistered ASNs in the Routing Table:                         112
      Number of 32-bit ASNs allocated by the RIRs:                        642
      Prefixes from 32-bit ASNs in the Routing Table:                     757
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            159
      Number of addresses announced to Internet:                   2251743840
          Equivalent to 134 /8s, 54 /16s and 226 /24s
          Percentage of available address space announced:               60.8
          Percentage of allocated address space announced:               65.5
          Percentage of available address space allocated:               92.8
          Percentage of address space in use by end-sites:               83.4
      Total number of prefixes smaller than registry allocations:      154204
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    78033
          Total APNIC prefixes after maximum aggregation:               26885
          APNIC Deaggregation factor:                                    2.90
      Prefixes being announced from the APNIC address blocks:           74858
          Unique aggregates announced from the APNIC address blocks:    33140
      APNIC Region origin ASes present in the Internet Routing Table:    4081
          APNIC Prefixes per ASN:                                       18.34
      APNIC Region origin ASes announcing only one prefix:               1117
      APNIC Region transit ASes present in the Internet Routing Table:    639
      Average APNIC Region AS path length visible:                        3.6
          Max APNIC Region AS path length visible:                         15
      Number of APNIC addresses announced to Internet:              525628704
          Equivalent to 31 /8s, 84 /16s and 117 /24s
          Percentage of available APNIC address space announced:         78.3
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  14/8,  27/8,  43/8,  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:                    133710
          Total ARIN prefixes after maximum aggregation:                69226
          ARIN Deaggregation factor:                                     1.93
      Prefixes being announced from the ARIN address blocks:           106681
          Unique aggregates announced from the ARIN address blocks:     41819
      ARIN Region origin ASes present in the Internet Routing Table:    13744
          ARIN Prefixes per ASN:                                         7.76
      ARIN Region origin ASes announcing only one prefix:                5271
      ARIN Region transit ASes present in the Internet Routing Table:    1349
      Average ARIN Region AS path length visible:                         3.4
          Max ARIN Region AS path length visible:                          22
      Number of ARIN addresses announced to Internet:               729671968
          Equivalent to 43 /8s, 125 /16s and 233 /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:                     74437
          Total RIPE prefixes after maximum aggregation:                43213
          RIPE Deaggregation factor:                                     1.72
      Prefixes being announced from the RIPE address blocks:            67581
          Unique aggregates announced from the RIPE address blocks:     44362
      RIPE Region origin ASes present in the Internet Routing Table:    14549
          RIPE Prefixes per ASN:                                         4.65
      RIPE Region origin ASes announcing only one prefix:                7512
      RIPE Region transit ASes present in the Internet Routing Table:    2159
      Average RIPE Region AS path length visible:                         3.9
          Max RIPE Region AS path length visible:                          24
      Number of RIPE addresses announced to Internet:               432412960
          Equivalent to 25 /8s, 198 /16s and 25 /24s
          Percentage of available RIPE address space announced:          75.8
      
      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:                   28719
          Total LACNIC prefixes after maximum aggregation:               6891
          LACNIC Deaggregation factor:                                   4.17
      Prefixes being announced from the LACNIC address blocks:          27171
          Unique aggregates announced from the LACNIC address blocks:   14182
      LACNIC Region origin ASes present in the Internet Routing Table:   1304
          LACNIC Prefixes per ASN:                                      20.84
      LACNIC Region origin ASes announcing only one prefix:               400
      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:                        24
      Number of LACNIC addresses announced to Internet:              75105792
          Equivalent to 4 /8s, 122 /16s and 6 /24s
          Percentage of available LACNIC address space announced:        56.0
      
      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:                   7302
          Total AfriNIC prefixes after maximum aggregation:              1850
          AfriNIC Deaggregation factor:                                  3.95
      Prefixes being announced from the AfriNIC address blocks:          5623
          Unique aggregates announced from the AfriNIC address blocks:   1730
      AfriNIC Region origin ASes present in the Internet Routing Table:   374
          AfriNIC Prefixes per ASN:                                     15.03
      AfriNIC Region origin ASes announcing only one prefix:              111
      AfriNIC Region transit ASes present in the Internet Routing Table:   84
      Average AfriNIC Region AS path length visible:                      3.7
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             19523328
          Equivalent to 1 /8s, 41 /16s and 231 /24s
          Percentage of available AfriNIC address space announced:       58.2
      
      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     1847       8407         482   Korea Telecom (KIX)
       7545     1335        232         107   TPG Internet Pty Ltd
      17488     1319        140         127   Hathway IP Over Cable Interne
       4755     1314        295         154   TATA Communications formerly 
      17974     1141        283          23   PT TELEKOMUNIKASI INDONESIA
       9583      997         74         491   Sify Limited
      24560      923        306         170   Bharti Airtel Ltd., Telemedia
       4134      876      21292         408   CHINANET-BACKBONE
       4808      829       1572         215   CNCGROUP IP network: China169
       9829      794        681          34   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     3910       3733         288   bellsouth.net, inc. 
       4323     2711       1114         395   Time Warner Telecom
       1785     1795        698         129   PaeTec Communications, Inc.
      20115     1559       1520         653   Charter Communications 
       7018     1506       5736         957   AT&T WorldNet Services
       2386     1285        568         908   AT&T Data Communications Serv
       6478     1283        260         110   AT&T Worldnet Services 
       3356     1180      10889         405   Level 3 Communications, LLC 
      22773     1166       2861          66   Cox Communications, Inc.
      11492     1154        207          71   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
      35805      644         56           6   United Telecom of Georgia
       3292      453       2027         393   TDC Tele Danmark
      30890      444        111         206   Evolva Telecom
       9198      411        202          13   Kazakhtelecom Data Network Ad
        702      410       1869         326   UUNET - Commercial IP service
       8551      400        353          46   Bezeq International
       8866      400        117          18   Bulgarian Telecommunication C
       3320      372       7329         323   Deutsche Telekom AG
       3301      371       1414         326   TeliaNet Sweden
      34984      360         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     1462       3017         250   UniNet S.A. de C.V. 
      10620     1057        237         152   TVCABLE BOGOTA 
      28573     1003        784          97   NET Servicos de Comunicao S.A
       7303      745        385         114   Telecom Argentina Stet-France
       6503      677        175         216   AVANTEL, S.A. 
      22047      547        310          15   VTR PUNTO NET S.A. 
       3816      492        214          78   Empresa Nacional de Telecomun
       7738      477        922          30   Telecomunicacoes da Bahia S.A
      14420      468         32          69   ANDINATEL S.A. 
      11172      450         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     1162        445          10   TEDATA
      24863      726        147          39   LINKdotNET AS number
      36992      641        279         187   Etisalat MISR
       3741      269        852         230   The Internet Solution 
      33776      219         12          11   Starcomms Nigeria Limited
       2018      211        244          61   Tertiary Education Network 
       6713      195        186          16   Itissalat Al-MAGHRIB
      24835      189         78          10   RAYA Telecom - Egypt
      29571      175         17          10   Ci Telecom Autonomous system 
      29975      133        506          14   Vodacom
      
      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     3910       3733         288   bellsouth.net, inc. 
       4323     2711       1114         395   Time Warner Telecom
       4766     1847       8407         482   Korea Telecom (KIX)
       1785     1795        698         129   PaeTec Communications, Inc.
      20115     1559       1520         653   Charter Communications 
       7018     1506       5736         957   AT&T WorldNet Services
       8151     1462       3017         250   UniNet S.A. de C.V. 
       7545     1335        232         107   TPG Internet Pty Ltd
      17488     1319        140         127   Hathway IP Over Cable Interne
       4755     1314        295         154   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      2711        2316      Time Warner Telecom
       1785      1795        1666      PaeTec Communications, Inc.
       4766      1847        1365      Korea Telecom (KIX)
       7545      1335        1228      TPG Internet Pty Ltd
       8151      1462        1212      UniNet S.A. de C.V. 
      17488      1319        1192      Hathway IP Over Cable Interne
       6478      1283        1173      AT&T Worldnet Services 
       4755      1314        1160      TATA Communications formerly 
       8452      1162        1152      TEDATA
      17974      1141        1118      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
      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     
      /13:406     /14:707     /15:1283    /16:11140   /17:5339    /18:9140    
      /19:18372   /20:22877   /21:22846   /22:29912   /23:29457   /24:168471  
      /25:971     /26:1252    /27:619     /28:31      /29:47      /30:9       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2505          3910      bellsouth.net, inc. 
       4766     1482          1847      Korea Telecom (KIX)
       4323     1396          2711      Time Warner Telecom
       1785     1258          1795      PaeTec Communications, Inc.
      11492     1066          1154      Cable One 
      17488     1066          1319      Hathway IP Over Cable Interne
       8452     1050          1162      TEDATA
      18566     1040          1059      Covad Communications 
      10620      973          1057      TVCABLE BOGOTA 
       7018      911          1506      AT&T WorldNet Services
      
      Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:2         2:2         4:13        8:288      12:2003     13:7      
        14:1        15:23       16:3        17:8        20:21       24:1434   
        27:121      31:1        32:49       33:12       38:679      40:98     
        41:2448     44:3        47:18       52:9        55:7        56:2      
        57:25       58:751      59:502      60:458      61:1074     62:1058   
        63:1976     64:3653     65:2356     66:4066     67:1822     68:1110   
        69:2878     70:694      71:237      72:1843     73:2        74:2105   
        75:250      76:308      77:930      78:615      79:421      80:972    
        81:793      82:490      83:436      84:703      85:1051     86:458    
        87:674      88:342      89:1566     90:93       91:2836     92:486    
        93:1067     94:1416     95:624      96:287      97:205      98:579    
        99:28      108:32      109:548     110:352     111:523     112:270    
       113:310     114:423     115:547     116:1069    117:660     118:482    
       119:938     120:143     121:739     122:1449    123:933     124:1116   
       125:1317    128:226     129:212     130:195     131:555     132:250    
       133:17      134:194     135:45      136:243     137:160     138:264    
       139:104     140:509     141:138     142:348     143:392     144:473    
       145:47      146:443     147:166     148:662     149:300     150:150    
       151:166     152:296     153:168     154:2       155:328     156:157    
       157:320     158:109     159:377     160:317     161:181     162:254    
       163:176     164:408     165:359     166:461     167:404     168:651    
       169:160     170:712     171:58      172:2       173:853     174:436    
       175:98      176:1       178:224     180:501     182:135     183:220    
       184:69      186:476     187:350     188:1087    189:782     190:3751   
       192:5746    193:4702    194:3364    195:2781    196:1169    198:3568   
       199:3449    200:5319    201:1556    202:7982    203:8250    204:4077   
       205:2319    206:2517    207:3103    208:3861    209:3449    210:2512   
       211:1261    212:1703    213:1680    214:657     215:69      216:4658   
       217:1516    218:491     219:378     220:1136    221:398     222:314    
       223:1      
      
      End of report