[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, sanog at sanog dot org, pacnog at pacnog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 5 Feb 2011 04:27:05 +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.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 05 Feb, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              344448
          Prefixes after maximum aggregation:                          155332
          Deaggregation factor:                                          2.22
          Unique aggregates announced to Internet:                     170039
      Total ASes present in the Internet Routing Table:                 35787
          Prefixes per ASN:                                              9.62
      Origin-only ASes present in the Internet Routing Table:           30852
      Origin ASes announcing only one prefix:                           14951
      Transit ASes present in the Internet Routing Table:                4935
      Transit-only ASes present in the Internet Routing Table:            119
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (36992)                               29
      Prefixes from unregistered ASNs in the Routing Table:               397
          Unregistered ASNs in the Routing Table:                         129
      Number of 32-bit ASNs allocated by the RIRs:                       1077
      Prefixes from 32-bit ASNs in the Routing Table:                       1
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            203
      Number of addresses announced to Internet:                   2380656448
          Equivalent to 141 /8s, 229 /16s and 239 /24s
          Percentage of available address space announced:               64.2
          Percentage of allocated address space announced:               65.7
          Percentage of available address space allocated:               97.7
          Percentage of address space in use by end-sites:               88.1
      Total number of prefixes smaller than registry allocations:      142101
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    85206
          Total APNIC prefixes after maximum aggregation:               28888
          APNIC Deaggregation factor:                                    2.95
      Prefixes being announced from the APNIC address blocks:           81892
          Unique aggregates announced from the APNIC address blocks:    35574
      APNIC Region origin ASes present in the Internet Routing Table:    4314
          APNIC Prefixes per ASN:                                       18.98
      APNIC Region origin ASes announcing only one prefix:               1208
      APNIC Region transit ASes present in the Internet Routing Table:    687
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         20
      Number of APNIC addresses announced to Internet:              586924320
          Equivalent to 34 /8s, 251 /16s and 193 /24s
          Percentage of available APNIC address space announced:         76.1
      
      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,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 106/8,
                             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:                    138523
          Total ARIN prefixes after maximum aggregation:                70948
          ARIN Deaggregation factor:                                     1.95
      Prefixes being announced from the ARIN address blocks:           109351
          Unique aggregates announced from the ARIN address blocks:     44581
      ARIN Region origin ASes present in the Internet Routing Table:    14172
          ARIN Prefixes per ASN:                                         7.72
      ARIN Region origin ASes announcing only one prefix:                5410
      ARIN Region transit ASes present in the Internet Routing Table:    1468
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               751911808
          Equivalent to 44 /8s, 209 /16s and 67 /24s
          Percentage of available ARIN address space announced:          63.1
      
      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,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  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, 100/8,
                             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:                     81469
          Total RIPE prefixes after maximum aggregation:                46272
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            74776
          Unique aggregates announced from the RIPE address blocks:     48554
      RIPE Region origin ASes present in the Internet Routing Table:    15262
          RIPE Prefixes per ASN:                                         4.90
      RIPE Region origin ASes announcing only one prefix:                7770
      RIPE Region transit ASes present in the Internet Routing Table:    2373
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               457667392
          Equivalent to 27 /8s, 71 /16s and 115 /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, 56320-58367
                             196608-198655
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  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:                   31580
          Total LACNIC prefixes after maximum aggregation:               7273
          LACNIC Deaggregation factor:                                   4.34
      Prefixes being announced from the LACNIC address blocks:          30338
          Unique aggregates announced from the LACNIC address blocks:   15849
      LACNIC Region origin ASes present in the Internet Routing Table:   1424
          LACNIC Prefixes per ASN:                                      21.30
      LACNIC Region origin ASes announcing only one prefix:               430
      LACNIC Region transit ASes present in the Internet Routing Table:   250
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC addresses announced to Internet:              80422528
          Equivalent to 4 /8s, 203 /16s and 38 /24s
          Percentage of available LACNIC address space announced:        59.9
      
      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:                   7450
          Total AfriNIC prefixes after maximum aggregation:              1839
          AfriNIC Deaggregation factor:                                  4.05
      Prefixes being announced from the AfriNIC address blocks:          5872
          Unique aggregates announced from the AfriNIC address blocks:   1790
      AfriNIC Region origin ASes present in the Internet Routing Table:   436
          AfriNIC Prefixes per ASN:                                     13.47
      AfriNIC Region origin ASes announcing only one prefix:              132
      AfriNIC Region transit ASes present in the Internet Routing Table:   96
      Average AfriNIC Region AS path length visible:                      5.3
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             21818624
          Equivalent to 1 /8s, 76 /16s and 237 /24s
          Percentage of available AfriNIC address space announced:       43.3
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1914       9485         525   Korea Telecom (KIX)
       7545     1619        301          84   TPG Internet Pty Ltd
       4755     1409        637         161   TATA Communications formerly 
      17974     1391        467          27   PT TELEKOMUNIKASI INDONESIA
      24560     1099        318         182   Bharti Airtel Ltd., Telemedia
       9583     1044         76         490   Sify Limited
       4808     1034       2130         292   CNCGROUP IP network: China169
      17488      952        162         104   Hathway IP Over Cable Interne
      18101      928        117         144   Reliance Infocom Ltd Internet
       9829      895        762          41   BSNL National Internet Backbo
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3704       3855         265   bellsouth.net, inc. 
       4323     2622       1109         403   Time Warner Telecom
      19262     1842       4949         287   Verizon Global Networks 
       1785     1784        697         132   PaeTec Communications, Inc.
      20115     1522       1532         642   Charter Communications 
       6478     1482        291          81   AT&T Worldnet Services 
       7018     1353       6673         871   AT&T WorldNet Services
       2386     1295        553         933   AT&T Data Communications Serv
      22773     1278       2865          78   Cox Communications, Inc.
      11492     1264        235          79   Cable One 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6830      515       1764         319   UPC Distribution Services
       9198      464        266          14   Kazakhtelecom Data Network Ad
      34984      458         97         137   BILISIM TELEKOM
       3292      447       2011         390   TDC Tele Danmark
       8866      440        133          23   Bulgarian Telecommunication C
       3320      407       7620         355   Deutsche Telekom AG
       8551      403        353          46   Bezeq International
        702      397       1817         310   UUNET - Commercial IP service
      20940      387         89         296   Akamai Technologies European 
       3301      382       1822         340   TeliaNet Sweden
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1357        252         162   TVCABLE BOGOTA 
       8151     1332       2647         359   UniNet S.A. de C.V. 
      28573     1238        961          82   NET Servicos de Comunicao S.A
       6503     1187        355          78   AVANTEL, S.A. 
       7303      882        461         112   Telecom Argentina Stet-France
      14420      625         56          93   CORPORACION NACIONAL DE TELEC
      22047      548        310          15   VTR PUNTO NET S.A. 
       3816      500        220          94   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      456         34          31   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452      800        445          11   TEDATA
      24863      761        147          39   LINKdotNET AS number
      36992      635        329          19   Etisalat MISR
       3741      264        987         226   The Internet Solution 
      24835      217         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      33776      194         12          15   Starcomms Nigeria Limited
      29571      192         17          11   Ci Telecom Autonomous system 
      16637      146        422          83   MTN Network Solutions
      29975      132        490          17   Vodacom
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3704       3855         265   bellsouth.net, inc. 
       4323     2622       1109         403   Time Warner Telecom
       4766     1914       9485         525   Korea Telecom (KIX)
      19262     1842       4949         287   Verizon Global Networks 
       1785     1784        697         132   PaeTec Communications, Inc.
       7545     1619        301          84   TPG Internet Pty Ltd
      20115     1522       1532         642   Charter Communications 
       6478     1482        291          81   AT&T Worldnet Services 
       4755     1409        637         161   TATA Communications formerly 
      17974     1391        467          27   PT TELEKOMUNIKASI INDONESIA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2622        2219      Time Warner Telecom
       1785      1784        1652      PaeTec Communications, Inc.
      19262      1842        1555      Verizon Global Networks 
       7545      1619        1535      TPG Internet Pty Ltd
       6478      1482        1401      AT&T Worldnet Services 
       4766      1914        1389      Korea Telecom (KIX)
      17974      1391        1364      PT TELEKOMUNIKASI INDONESIA
       4755      1409        1248      TATA Communications formerly 
      22773      1278        1200      Cox Communications, Inc.
      10620      1357        1195      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.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        4323       Time Warner Telecom
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      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.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.0.0.0/16           12654     RIPE NCC RIS Project
      5.1.0.0/21           12654     RIPE NCC RIS Project
      5.1.24.0/24          12654     RIPE NCC RIS Project
      24.129.192.0/19       7922     Continental Cablevision 
      37.0.0.0/16          12654     RIPE NCC RIS Project
      37.1.0.0/21          12654     RIPE NCC RIS Project
      37.1.24.0/24         12654     RIPE NCC RIS Project
      41.78.192.0/22       30999     Emtel is GSM, 3G and ISP in M
      41.78.228.0/22        5713     Telkom SA Ltd 
      41.222.79.0/24       36938     >>UNKNOWN<<
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:11      /10:26      /11:72      /12:221     
      /13:445     /14:772     /15:1371    /16:11547   /17:5632    /18:9292    
      /19:18815   /20:24292   /21:24666   /22:32814   /23:31471   /24:180138  
      /25:995     /26:1072    /27:587     /28:163     /29:16      /30:3       
      /31:0       /32:8       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2283          3704      bellsouth.net, inc. 
       6478     1436          1482      AT&T Worldnet Services 
       4323     1412          2622      Time Warner Telecom
      10620     1248          1357      TVCABLE BOGOTA 
      11492     1221          1264      Cable One 
      18566     1160          1182      Covad Communications 
       7011     1063          1164      Citizens Utilities 
       1785     1053          1784      PaeTec Communications, Inc.
       6503      963          1187      AVANTEL, S.A. 
      19262      954          1842      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:169       2:39        4:13        5:1         8:334      12:2027   
        13:1        14:396      15:15       16:3        17:8        20:9      
        23:1        24:1465     27:570      32:61       33:5        34:2      
        37:1        38:695      40:101      41:2326     44:3        46:563    
        47:5        49:143      50:84       52:12       55:5        56:2      
        57:31       58:866      59:483      60:391      61:1116     62:1065   
        63:1919     64:3753     65:2358     66:4116     67:1760     68:1004   
        69:2878     70:717      71:397      72:1992     73:1        74:2322   
        75:293      76:329      77:848      78:702      79:440      80:1044   
        81:808      82:534      83:473      84:645      85:1046     86:533    
        87:732      88:356      89:1584     90:157      91:3458     92:494    
        93:1038     94:1195     95:791      96:416      97:250      98:759    
        99:33      101:23      107:3       108:82      109:863     110:472    
       111:693     112:312     113:354     114:495     115:641     116:922    
       117:676     118:649     119:1020    120:240     121:698     122:1612   
       123:1053    124:1269    125:1216    128:264     129:152     130:172    
       131:567     132:110     133:20      134:217     135:49      136:216    
       137:147     138:290     139:120     140:490     141:196     142:362    
       143:376     144:483     145:51      146:425     147:193     148:626    
       149:273     150:151     151:230     152:306     153:177     154:3      
       155:347     156:173     157:342     158:128     159:380     160:315    
       161:205     162:278     163:159     164:486     165:338     166:481    
       167:420     168:741     169:152     170:750     171:66      172:2      
       173:1275    174:521     175:314     176:1       177:12      178:752    
       180:778     182:340     183:250     184:208     186:988     187:790    
       188:912     189:1053    190:4357    192:5785    193:4800    194:3500   
       195:2946    196:1176    197:3       198:3579    199:3755    200:5592   
       201:1579    202:8263    203:8417    204:4097    205:2341    206:2632   
       207:3083    208:3884    209:3499    210:2641    211:1332    212:1859   
       213:1717    214:757     215:62      216:4796    217:1615    218:528    
       219:376     220:1202    221:449     222:319     223:95     
      
      End of report