[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, 23 Jul 2011 05:06:01 +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 23 Jul, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              364842
          Prefixes after maximum aggregation:                          165720
          Deaggregation factor:                                          2.20
          Unique aggregates announced to Internet:                     180824
      Total ASes present in the Internet Routing Table:                 38262
          Prefixes per ASN:                                              9.54
      Origin-only ASes present in the Internet Routing Table:           31794
      Origin ASes announcing only one prefix:                           15298
      Transit ASes present in the Internet Routing Table:                5199
      Transit-only ASes present in the Internet Routing Table:            137
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      34
          Max AS path prepend of ASN (22394)                               31
      Prefixes from unregistered ASNs in the Routing Table:               938
          Unregistered ASNs in the Routing Table:                         547
      Number of 32-bit ASNs allocated by the RIRs:                       1585
      Number of 32-bit ASNs visible in the Routing Table:                1269
      Prefixes from 32-bit ASNs in the Routing Table:                    2925
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            119
      Number of addresses announced to Internet:                   2484169792
          Equivalent to 148 /8s, 17 /16s and 108 /24s
          Percentage of available address space announced:               67.0
          Percentage of allocated address space announced:               67.0
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.1
      Total number of prefixes smaller than registry allocations:      152116
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    91236
          Total APNIC prefixes after maximum aggregation:               30391
          APNIC Deaggregation factor:                                    3.00
      Prefixes being announced from the APNIC address blocks:           87829
          Unique aggregates announced from the APNIC address blocks:    37449
      APNIC Region origin ASes present in the Internet Routing Table:    4523
          APNIC Prefixes per ASN:                                       19.42
      APNIC Region origin ASes announcing only one prefix:               1257
      APNIC Region transit ASes present in the Internet Routing Table:    715
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:     62
      Number of APNIC addresses announced to Internet:              622384672
          Equivalent to 37 /8s, 24 /16s and 214 /24s
          Percentage of available APNIC address space announced:         78.9
      
      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:                    141810
          Total ARIN prefixes after maximum aggregation:                73186
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           113679
          Unique aggregates announced from the ARIN address blocks:     46646
      ARIN Region origin ASes present in the Internet Routing Table:    14515
          ARIN Prefixes per ASN:                                         7.83
      ARIN Region origin ASes announcing only one prefix:                5568
      ARIN Region transit ASes present in the Internet Routing Table:    1533
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          34
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      13
      Number of ARIN addresses announced to Internet:               802761344
          Equivalent to 47 /8s, 217 /16s and 42 /24s
          Percentage of available ARIN address space announced:          63.8
      
      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:                     86532
          Total RIPE prefixes after maximum aggregation:                49288
          RIPE Deaggregation factor:                                     1.76
      Prefixes being announced from the RIPE address blocks:            79915
          Unique aggregates announced from the RIPE address blocks:     52946
      RIPE Region origin ASes present in the Internet Routing Table:    15807
          RIPE Prefixes per ASN:                                         5.06
      RIPE Region origin ASes announcing only one prefix:                7879
      RIPE Region transit ASes present in the Internet Routing Table:    2501
      Average RIPE Region AS path length visible:                         4.6
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:     920
      Number of RIPE addresses announced to Internet:               483952000
          Equivalent to 28 /8s, 216 /16s and 133 /24s
          Percentage of available RIPE address space announced:          78.0
      
      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:                   33807
          Total LACNIC prefixes after maximum aggregation:               7644
          LACNIC Deaggregation factor:                                   4.42
      Prefixes being announced from the LACNIC address blocks:          32925
          Unique aggregates announced from the LACNIC address blocks:   17088
      LACNIC Region origin ASes present in the Internet Routing Table:   1487
          LACNIC Prefixes per ASN:                                      22.14
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   275
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   270
      Number of LACNIC addresses announced to Internet:              86429952
          Equivalent to 5 /8s, 38 /16s and 209 /24s
          Percentage of available LACNIC address space announced:        57.2
      
      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:                   8356
          Total AfriNIC prefixes after maximum aggregation:              1975
          AfriNIC Deaggregation factor:                                  4.23
      Prefixes being announced from the AfriNIC address blocks:          6537
          Unique aggregates announced from the AfriNIC address blocks:   1997
      AfriNIC Region origin ASes present in the Internet Routing Table:   475
          AfriNIC Prefixes per ASN:                                     13.76
      AfriNIC Region origin ASes announcing only one prefix:              152
      AfriNIC Region transit ASes present in the Internet Routing Table:  101
      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:    4
      Number of AfriNIC addresses announced to Internet:             24441856
          Equivalent to 1 /8s, 116 /16s and 244 /24s
          Percentage of available AfriNIC address space announced:       36.4
      
      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     2470      11044         938   Korea Telecom (KIX)
      17974     1794        508          32   PT TELEKOMUNIKASI INDONESIA
       7545     1555        301          85   TPG Internet Pty Ltd
       4755     1507        635         171   TATA Communications formerly 
       7552     1298       1064           7   Vietel Corporation
      24560     1156        336         187   Bharti Airtel Ltd., Telemedia
       9829     1108        923          47   BSNL National Internet Backbo
       9583     1079         81         520   Sify Limited
       4808     1051       2092         299   CNCGROUP IP network: China169
      17488      967        187         107   Hathway IP Over Cable Interne
      
      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     3616       3818         238   bellsouth.net, inc. 
      18566     1913        365         241   Covad Communications 
       1785     1811        681         122   PaeTec Communications, Inc.
       4323     1615       1082         401   Time Warner Telecom
      20115     1590       1538         623   Charter Communications 
      19262     1411       4760         391   Verizon Global Networks 
       7018     1364       7069         891   AT&T WorldNet Services
      22773     1353       2897          89   Cox Communications, Inc.
       7029     1293        791         304   Windstream Communications Inc
       2386     1258        520         907   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
      34984      534        106         185   BILISIM TELEKOM
       6830      512       1788         316   UPC Distribution Services
       3292      468       2078         403   TDC Tele Danmark
      20940      459        132         354   Akamai Technologies European 
      12479      455        593           7   Uni2 Autonomous System
       8866      453        133          26   Bulgarian Telecommunication C
      29049      432         32          47   AzerSat LLC.
       3320      424       8151         370   Deutsche Telekom AG
       8551      403        354          44   Bezeq International
        702      397       1802         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     1559        287         163   TVCABLE BOGOTA 
       8151     1420       2746         351   UniNet S.A. de C.V. 
      28573     1277        995          78   NET Servicos de Comunicao S.A
       7303     1009        513         178   Telecom Argentina Stet-France
       6503      750        354          74   AVANTEL, S.A. 
      14420      700         56          85   CORPORACION NACIONAL DE TELEC
      22047      578        322          17   VTR PUNTO NET S.A. 
       3816      532        232          97   Empresa Nacional de Telecomun
       7738      516        986          31   Telecomunicacoes da Bahia S.A
      27947      509         53          53   Telconet 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      817        445          11   TEDATA
      24863      794        147          42   LINKdotNET AS number
      15475      512         74           8   Nile Online
      36992      315        415          15   Etisalat MISR
      24835      304         78          10   RAYA Telecom - Egypt
       3741      265        937         226   The Internet Solution 
       6713      241        215          13   Itissalat Al-MAGHRIB
      33776      226         13           5   Starcomms Nigeria Limited
      15706      158         32           6   Sudatel Internet Exchange Aut
      29571      158         17          11   Ci Telecom Autonomous system 
      
      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     3616       3818         238   bellsouth.net, inc. 
      23456     2925        710        1575   32-bit ASN transition
       4766     2470      11044         938   Korea Telecom (KIX)
      18566     1913        365         241   Covad Communications 
       1785     1811        681         122   PaeTec Communications, Inc.
      17974     1794        508          32   PT TELEKOMUNIKASI INDONESIA
       4323     1615       1082         401   Time Warner Telecom
      20115     1590       1538         623   Charter Communications 
      10620     1559        287         163   TVCABLE BOGOTA 
       7545     1555        301          85   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      17974      1794        1762      PT TELEKOMUNIKASI INDONESIA
       1785      1811        1689      PaeTec Communications, Inc.
      18566      1913        1672      Covad Communications 
       4766      2470        1532      Korea Telecom (KIX)
       7545      1555        1470      TPG Internet Pty Ltd
      10620      1559        1396      TVCABLE BOGOTA 
      23456      2925        1350      32-bit ASN transition
       4755      1507        1336      TATA Communications formerly 
       7552      1298        1291      Vietel Corporation
      22773      1353        1264      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
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      
      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      /10:27      /11:80      /12:232     
      /13:465     /14:798     /15:1400    /16:12040   /17:5888    /18:9829    
      /19:19533   /20:26166   /21:26261   /22:34965   /23:33886   /24:189915  
      /25:1093    /26:1269    /27:739     /28:207     /29:9       /30:2       
      /31:0       /32:6       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2236          3616      bellsouth.net, inc. 
      18566     1869          1913      Covad Communications 
      10620     1454          1559      TVCABLE BOGOTA 
      23456     1446          2925      32-bit ASN transition
      11492     1096          1142      Cable One 
       7011     1056          1158      Citizens Utilities 
       1785     1054          1811      PaeTec Communications, Inc.
       7029     1040          1293      Windstream Communications Inc
       6478      997          1025      AT&T Worldnet Services 
      22773      868          1353      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:331       2:45        4:16        5:1         6:3         8:340    
        12:1965     13:1        14:490      15:15       16:3        17:5      
        20:10       23:14       24:1680     27:842      31:504      32:64     
        33:4        34:2        36:4        38:730      40:104      41:2603   
        42:35       44:3        46:1043     47:3        49:198      50:383    
        52:13       54:2        55:7        56:2        57:35       58:860    
        59:481      60:385      61:1181     62:1033     63:1932     64:3990   
        65:2299     66:3882     67:1886     68:1109     69:3060     70:778    
        71:373      72:1865     74:2431     75:333      76:341      77:881    
        78:704      79:463      80:1114     81:839      82:497      83:465    
        84:691      85:1057     86:519      87:764      88:333      89:1533   
        90:224      91:3957     92:526      93:1054     94:1338     95:859    
        96:419      97:263      98:891      99:37      101:77      103:140    
       106:73      107:24      108:73      109:1022    110:612     111:714    
       112:305     113:413     114:555     115:683     116:984     117:690    
       118:863     119:1174    120:315     121:676     122:1607    123:976    
       124:1304    125:1279    128:246     129:171     130:169     131:578    
       132:113     133:21      134:214     135:52      136:215     137:138    
       138:300     139:116     140:477     141:253     142:403     143:414    
       144:478     145:54      146:454     147:216     148:672     149:249    
       150:159     151:189     152:338     153:182     154:5       155:397    
       156:199     157:351     158:140     159:455     160:315     161:203    
       162:310     163:166     164:506     165:367     166:531     167:433    
       168:740     169:153     170:849     171:80      172:1       173:1619   
       174:628     175:384     176:143     177:170     178:1005    180:907    
       181:23      182:508     183:234     184:345     185:1       186:1308   
       187:776     188:896     189:946     190:5000    192:5913    193:4972   
       194:3517    195:3018    196:1291    197:42      198:3573    199:3977   
       200:5573    201:1473    202:8416    203:8448    204:4229    205:2331   
       206:2669    207:2808    208:3989    209:3434    210:2680    211:1452   
       212:2087    213:1743    214:769     215:70      216:4951    217:1650   
       218:545     219:348     220:1201    221:495     222:360     223:220    
      
      
      End of report