[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, 4 Jun 2011 05:01:02 +1000 (EST)
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    • 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 <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 04 Jun, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              358561
          Prefixes after maximum aggregation:                          162439
          Deaggregation factor:                                          2.21
          Unique aggregates announced to Internet:                     178183
      Total ASes present in the Internet Routing Table:                 37775
          Prefixes per ASN:                                              9.49
      Origin-only ASes present in the Internet Routing Table:           31544
      Origin ASes announcing only one prefix:                           15151
      Transit ASes present in the Internet Routing Table:                5102
      Transit-only ASes present in the Internet Routing Table:            134
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      36
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:               747
          Unregistered ASNs in the Routing Table:                         395
      Number of 32-bit ASNs allocated by the RIRs:                       1425
      Number of 32-bit ASNs visible in the Routing Table:                1129
      Prefixes from 32-bit ASNs in the Routing Table:                    2579
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            165
      Number of addresses announced to Internet:                   2450918336
          Equivalent to 146 /8s, 22 /16s and 11 /24s
          Percentage of available address space announced:               66.1
          Percentage of allocated address space announced:               66.1
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.0
      Total number of prefixes smaller than registry allocations:      149599
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    88800
          Total APNIC prefixes after maximum aggregation:               30084
          APNIC Deaggregation factor:                                    2.95
      Prefixes being announced from the APNIC address blocks:           85253
          Unique aggregates announced from the APNIC address blocks:    36662
      APNIC Region origin ASes present in the Internet Routing Table:    4475
          APNIC Prefixes per ASN:                                       19.05
      APNIC Region origin ASes announcing only one prefix:               1253
      APNIC Region transit ASes present in the Internet Routing Table:    705
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         20
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     47
      Number of APNIC addresses announced to Internet:              619636256
          Equivalent to 36 /8s, 238 /16s and 230 /24s
          Percentage of available APNIC address space announced:         78.6
      
      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,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             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:                    140579
          Total ARIN prefixes after maximum aggregation:                71516
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           112681
          Unique aggregates announced from the ARIN address blocks:     46229
      ARIN Region origin ASes present in the Internet Routing Table:    14406
          ARIN Prefixes per ASN:                                         7.82
      ARIN Region origin ASes announcing only one prefix:                5495
      ARIN Region transit ASes present in the Internet Routing Table:    1510
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      12
      Number of ARIN addresses announced to Internet:               801985792
          Equivalent to 47 /8s, 205 /16s and 85 /24s
          Percentage of available ARIN address space announced:          63.7
      
      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,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  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, 104/8, 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:                     85208
          Total RIPE prefixes after maximum aggregation:                48504
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            78635
          Unique aggregates announced from the RIPE address blocks:     52035
      RIPE Region origin ASes present in the Internet Routing Table:    15661
          RIPE Prefixes per ASN:                                         5.02
      RIPE Region origin ASes announcing only one prefix:                7830
      RIPE Region transit ASes present in the Internet Routing Table:    2461
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          36
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     834
      Number of RIPE addresses announced to Internet:               475054592
          Equivalent to 28 /8s, 80 /16s and 194 /24s
          Percentage of available RIPE address space announced:          76.5
      
      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, 185/8, 193/8, 194/8, 195/8, 212/8,
                             213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   33171
          Total LACNIC prefixes after maximum aggregation:               7536
          LACNIC Deaggregation factor:                                   4.40
      Prefixes being announced from the LACNIC address blocks:          32258
          Unique aggregates announced from the LACNIC address blocks:   16961
      LACNIC Region origin ASes present in the Internet Routing Table:   1462
          LACNIC Prefixes per ASN:                                      22.06
      LACNIC Region origin ASes announcing only one prefix:               431
      LACNIC Region transit ASes present in the Internet Routing Table:   263
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        29
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   231
      Number of LACNIC addresses announced to Internet:              84647424
          Equivalent to 5 /8s, 11 /16s and 158 /24s
          Percentage of available LACNIC address space announced:        56.1
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 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:                   7999
          Total AfriNIC prefixes after maximum aggregation:              1909
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6308
          Unique aggregates announced from the AfriNIC address blocks:   1917
      AfriNIC Region origin ASes present in the Internet Routing Table:   458
          AfriNIC Prefixes per ASN:                                     13.77
      AfriNIC Region origin ASes announcing only one prefix:              142
      AfriNIC Region transit ASes present in the Internet Routing Table:  100
      Average AfriNIC Region AS path length visible:                      4.8
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             23586048
          Equivalent to 1 /8s, 103 /16s and 229 /24s
          Percentage of available AfriNIC address space announced:       35.1
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2460       9500         922   Korea Telecom (KIX)
      17974     1541        441          38   PT TELEKOMUNIKASI INDONESIA
       7545     1537        301          86   TPG Internet Pty Ltd
       4755     1470        634         166   TATA Communications formerly 
      24560     1155        337         187   Bharti Airtel Ltd., Telemedia
       7552     1141       1064           7   Vietel Corporation
       4808     1086       2144         308   CNCGROUP IP network: China169
       9583     1082         80         510   Sify Limited
       9829      956        843          82   BSNL National Internet Backbo
      18101      931        116         139   Reliance Infocom Ltd Internet
      
      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     3641       3822         256   bellsouth.net, inc. 
       4323     1973       1081         400   Time Warner Telecom
      18566     1875        355         269   Covad Communications 
       1785     1790        681         122   PaeTec Communications, Inc.
       6478     1716        318          45   AT&T Worldnet Services 
      20115     1535       1540         633   Charter Communications 
      19262     1492       4936         307   Verizon Global Networks 
       7018     1367       7068         892   AT&T WorldNet Services
      22773     1337       2897          88   Cox Communications, Inc.
       2386     1268        536         911   AT&T Data Communications Serv
      
      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      517       1780         320   UPC Distribution Services
      34984      517        106         179   BILISIM TELEKOM
       3292      461       2078         396   TDC Tele Danmark
      20940      458        134         350   Akamai Technologies European 
      29049      451         33          48   AzerSat LLC.
       8866      445        134          26   Bulgarian Telecommunication C
      12479      432        593           7   Uni2 Autonomous System
       3320      425       8152         370   Deutsche Telekom AG
       8551      405        354          48   Bezeq International
        702      396       1803         310   UUNET - Commercial IP service
      
      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     1512        278         157   TVCABLE BOGOTA 
       8151     1383       2724         364   UniNet S.A. de C.V. 
      28573     1319        992          86   NET Servicos de Comunicao S.A
       7303      960        504         154   Telecom Argentina Stet-France
       6503      734        354          73   AVANTEL, S.A. 
      14420      675         54          89   CORPORACION NACIONAL DE TELEC
      22047      565        310          15   VTR PUNTO NET S.A. 
       3816      527        231          93   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      13489      515        262         124   Orbitel S.A. E.S.P. 
      
      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      833        445          11   TEDATA
      24863      721        147          37   LINKdotNET AS number
      15475      544         90           8   Nile Online
      36992      294        399          14   Etisalat MISR
       3741      265        937         226   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      33776      218         12          11   Starcomms Nigeria Limited
      24835      208         78          10   RAYA Telecom - Egypt
      29571      193         19          12   Ci Telecom Autonomous system 
      16637      150        441          86   MTN Network Solutions
      
      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     3641       3822         256   bellsouth.net, inc. 
      23456     2579        639        1398   32-bit ASN transition
       4766     2460       9500         922   Korea Telecom (KIX)
       4323     1973       1081         400   Time Warner Telecom
      18566     1875        355         269   Covad Communications 
       1785     1790        681         122   PaeTec Communications, Inc.
       6478     1716        318          45   AT&T Worldnet Services 
      17974     1541        441          38   PT TELEKOMUNIKASI INDONESIA
       7545     1537        301          86   TPG Internet Pty Ltd
      20115     1535       1540         633   Charter Communications 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6478      1716        1671      AT&T Worldnet Services 
       1785      1790        1668      PaeTec Communications, Inc.
      18566      1875        1606      Covad Communications 
       4323      1973        1573      Time Warner Telecom
       4766      2460        1538      Korea Telecom (KIX)
      17974      1541        1503      PT TELEKOMUNIKASI INDONESIA
       7545      1537        1451      TPG Internet Pty Ltd
      10620      1512        1355      TVCABLE BOGOTA 
       4755      1470        1304      TATA Communications formerly 
      22773      1337        1249      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      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
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      27.0.128.0/17         7514     Media Exchange, Inc.
      41.190.32.0/23       31856     CABSAS
      41.190.34.0/23       31856     CABSAS
      41.190.36.0/23       31856     CABSAS
      
      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        /8:20       /9:12      /10:28      /11:81      /12:228     
      /13:461     /14:798     /15:1395    /16:11917   /17:5834    /18:9733    
      /19:19342   /20:25663   /21:25940   /22:34114   /23:33063   /24:186681  
      /25:1084    /26:1275    /27:711     /28:165     /29:8       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2243          3641      bellsouth.net, inc. 
      18566     1838          1875      Covad Communications 
       6478     1670          1716      AT&T Worldnet Services 
      10620     1402          1512      TVCABLE BOGOTA 
      23456     1260          2579      32-bit ASN transition
      11492     1107          1153      Cable One 
       7011     1061          1160      Citizens Utilities 
       1785     1050          1790      PaeTec Communications, Inc.
       4323      886          1973      Time Warner Telecom
      22773      852          1337      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:282       2:48        4:16        5:1         6:3         8:336    
        12:1980     13:1        14:464      15:15       16:3        17:8      
        20:10       23:6        24:1613     27:752      31:419      32:60     
        33:4        34:2        37:1        38:737      40:102      41:2524   
        42:6        44:3        46:934      47:3        49:200      50:435    
        52:13       54:2        55:6        56:2        57:29       58:840    
        59:479      60:387      61:1131     62:1035     63:1937     64:3941   
        65:2289     66:4148     67:1867     68:1091     69:2989     70:704    
        71:352      72:1883     73:1        74:2354     75:305      76:341    
        77:873      78:700      79:460      80:1078     81:836      82:493    
        83:440      84:677      85:1070     86:592      87:753      88:331    
        89:1531     90:203      91:3808     92:524      93:1049     94:1283   
        95:820      96:506      97:249      98:860      99:35      101:61     
       103:47      106:1       107:7       108:85      109:957     110:600    
       111:708     112:304     113:404     114:535     115:668     116:957    
       117:693     118:797     119:1148    120:311     121:671     122:1626   
       123:962     124:1270    125:1217    128:261     129:173     130:164    
       131:570     132:109     133:19      134:213     135:48      136:214    
       137:145     138:300     139:109     140:481     141:239     142:404    
       143:406     144:487     145:54      146:447     147:211     148:595    
       149:244     150:172     151:185     152:328     153:179     154:3      
       155:397     156:195     157:352     158:138     159:380     160:317    
       161:207     162:281     163:165     164:501     165:354     166:515    
       167:427     168:728     169:155     170:801     171:77      172:1      
       173:1554    174:551     175:370     176:130     177:145     178:995    
       180:858     181:18      182:459     183:211     184:293     185:1      
       186:1215    187:771     188:849     189:897     190:4863    192:5849   
       193:4901    194:3494    195:2997    196:1220    197:19      198:3565   
       199:3923    200:5547    201:1484    202:8271    203:8390    204:4180   
       205:2310    206:2686    207:2875    208:3973    209:3476    210:2725   
       211:1398    212:1998    213:1723    214:730     215:72      216:4943   
       217:1638    218:546     219:363     220:1204    221:490     222:316    
       223:150    
      
      End of report