[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, 16 Jun 2012 05:05:08 +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,
      TRNOG, 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 16 Jun, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              413957
          Prefixes after maximum aggregation:                          175177
          Deaggregation factor:                                          2.36
          Unique aggregates announced to Internet:                     201673
      Total ASes present in the Internet Routing Table:                 41298
          Prefixes per ASN:                                             10.02
      Origin-only ASes present in the Internet Routing Table:           33296
      Origin ASes announcing only one prefix:                           15667
      Transit ASes present in the Internet Routing Table:                5521
      Transit-only ASes present in the Internet Routing Table:            139
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      28
          Max AS path prepend of ASN ( 36992)                              22
      Prefixes from unregistered ASNs in the Routing Table:               413
          Unregistered ASNs in the Routing Table:                         140
      Number of 32-bit ASNs allocated by the RIRs:                       2842
      Number of 32-bit ASNs visible in the Routing Table:                2481
      Prefixes from 32-bit ASNs in the Routing Table:                    6297
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            331
      Number of addresses announced to Internet:                   2566262828
          Equivalent to 152 /8s, 246 /16s and 16 /24s
          Percentage of available address space announced:               69.2
          Percentage of allocated address space announced:               69.3
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               92.9
      Total number of prefixes smaller than registry allocations:      143956
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   100691
          Total APNIC prefixes after maximum aggregation:               32639
          APNIC Deaggregation factor:                                    3.08
      Prefixes being announced from the APNIC address blocks:          101099
          Unique aggregates announced from the APNIC address blocks:    41731
      APNIC Region origin ASes present in the Internet Routing Table:    4707
          APNIC Prefixes per ASN:                                       21.48
      APNIC Region origin ASes announcing only one prefix:               1248
      APNIC Region transit ASes present in the Internet Routing Table:    742
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         24
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
      Number of APNIC addresses announced to Internet:              702947456
          Equivalent to 41 /8s, 230 /16s and 32 /24s
          Percentage of available APNIC address space announced:         82.2
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-133119
      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, 150/8, 153/8,
                             163/8, 171/8, 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:                    151879
          Total ARIN prefixes after maximum aggregation:                77226
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           152854
          Unique aggregates announced from the ARIN address blocks:     68024
      ARIN Region origin ASes present in the Internet Routing Table:    15161
          ARIN Prefixes per ASN:                                        10.08
      ARIN Region origin ASes announcing only one prefix:                5752
      ARIN Region transit ASes present in the Internet Routing Table:    1600
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      16
      Number of ARIN addresses announced to Internet:              1081034368
          Equivalent to 64 /8s, 111 /16s and 70 /24s
          Percentage of available ARIN address space announced:          57.2
      
      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, 128/8,
                             129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                             137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                             146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                             157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                             165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                             173/8, 174/8, 184/8, 192/8, 198/8, 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:                    103555
          Total RIPE prefixes after maximum aggregation:                54773
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:           105450
          Unique aggregates announced from the RIPE address blocks:     66502
      RIPE Region origin ASes present in the Internet Routing Table:    16625
          RIPE Prefixes per ASN:                                         6.34
      RIPE Region origin ASes announcing only one prefix:                8065
      RIPE Region transit ASes present in the Internet Routing Table:    2664
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1645
      Number of RIPE addresses announced to Internet:               630722692
          Equivalent to 37 /8s, 152 /16s and 16 /24s
          Percentage of available RIPE address space announced:          91.7
      
      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
                             59392-61439, 196608-199679
      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,
                             141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                             193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   42038
          Total LACNIC prefixes after maximum aggregation:               8316
          LACNIC Deaggregation factor:                                   5.06
      Prefixes being announced from the LACNIC address blocks:          44471
          Unique aggregates announced from the LACNIC address blocks:   21854
      LACNIC Region origin ASes present in the Internet Routing Table:   1603
          LACNIC Prefixes per ASN:                                      27.74
      LACNIC Region origin ASes announcing only one prefix:               436
      LACNIC Region transit ASes present in the Internet Routing Table:   306
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        19
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   588
      Number of LACNIC addresses announced to Internet:             110613672
          Equivalent to 6 /8s, 151 /16s and 212 /24s
          Percentage of available LACNIC address space announced:        65.9
      
      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,
                             191/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   9310
          Total AfriNIC prefixes after maximum aggregation:              2159
          AfriNIC Deaggregation factor:                                  4.31
      Prefixes being announced from the AfriNIC address blocks:          9752
          Unique aggregates announced from the AfriNIC address blocks:   3261
      AfriNIC Region origin ASes present in the Internet Routing Table:   546
          AfriNIC Prefixes per ASN:                                     17.86
      AfriNIC Region origin ASes announcing only one prefix:              166
      AfriNIC Region transit ASes present in the Internet Routing Table:  119
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             40404480
          Equivalent to 2 /8s, 104 /16s and 134 /24s
          Percentage of available AfriNIC address space announced:       40.1
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     2672      11116        1158   Korea Telecom (KIX)
      17974     1929        531          82   PT TELEKOMUNIKASI INDONESIA
       7545     1684        301          86   TPG Internet Pty Ltd
       4755     1593        386         155   TATA Communications formerly 
       9829     1300       1085          28   BSNL National Internet Backbo
       9583     1183         89         509   Sify Limited
       4808     1103       2049         314   CNCGROUP IP network: China169
       7552     1089       1062          11   Vietel Corporation
      24560     1031        385         163   Bharti Airtel Ltd., Telemedia
       9498      966        291          63   BHARTI Airtel Ltd.
      
      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     3405       3791         191   bellsouth.net, inc. 
       7029     3298        986         159   Windstream Communications Inc
      18566     2091        382         181   Covad Communications 
       1785     1919        681         132   PaeTec Communications, Inc.
      22773     1649       2911         121   Cox Communications, Inc.
      20115     1643       1570         613   Charter Communications 
       4323     1574       1043         385   Time Warner Telecom
      30036     1433        266         752   Mediacom Communications Corp 
       7018     1226      10014         825   AT&T WorldNet Services
      11492     1189        216         356   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
       8402     1771        544          16   Corbina telecom
       2118     1239         97          14   EUnet/RELCOM Autonomous Syste
      12479      745        713          90   Uni2 Autonomous System
      34984      708        188         172   BILISIM TELEKOM
      31148      685         37           9   FreeNet ISP
      20940      676        222         528   Akamai Technologies European 
       6830      661       2219         427   UPC Distribution Services
       8551      575        364          61   Bezeq International
       3320      489       8442         402   Deutsche Telekom AG
       3292      475       2108         408   TDC Tele Danmark
      
      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     1967        342         205   TVCABLE BOGOTA 
      28573     1917       1188          52   NET Servicos de Comunicao S.A
       6503     1527        418          65   AVANTEL, S.A. 
       8151     1487       3068         336   UniNet S.A. de C.V. 
       7303     1440        901         195   Telecom Argentina Stet-France
      26615      900        696          35   Tim Brasil S.A.
      27947      705         73          93   Telconet S.A
      11172      646         91          74   Servicios Alestra S.A de C.V 
       3816      584        245          92   Empresa Nacional de Telecomun
      22047      583        326          15   VTR PUNTO NET 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     1254        958          13   TEDATA
      24863      854        274          35   LINKdotNET AS number
       6713      497        649          18   Itissalat Al-MAGHRIB
      24835      321         80           8   RAYA Telecom - Egypt
       3741      262        905         223   The Internet Solution 
      33776      210         12          21   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      16637      171        664          87   MTN Network Solutions
      29975      167        571          19   Vodacom
      29571      157         15          16   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     3405       3791         191   bellsouth.net, inc. 
       7029     3298        986         159   Windstream Communications Inc
       4766     2672      11116        1158   Korea Telecom (KIX)
      18566     2091        382         181   Covad Communications 
      10620     1967        342         205   TVCABLE BOGOTA 
      17974     1929        531          82   PT TELEKOMUNIKASI INDONESIA
       1785     1919        681         132   PaeTec Communications, Inc.
      28573     1917       1188          52   NET Servicos de Comunicao S.A
       8402     1771        544          16   Corbina telecom
       7545     1684        301          86   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
       7029      3298        3139      Windstream Communications Inc
      18566      2091        1910      Covad Communications 
      28573      1917        1865      NET Servicos de Comunicao S.A
      17974      1929        1847      PT TELEKOMUNIKASI INDONESIA
       1785      1919        1787      PaeTec Communications, Inc.
      10620      1967        1762      TVCABLE BOGOTA 
       8402      1771        1755      Corbina telecom
       7545      1684        1598      TPG Internet Pty Ltd
      22773      1649        1528      Cox Communications, Inc.
       4766      2672        1514      Korea Telecom (KIX)
      
      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
      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
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      32873   UNALLOCATED  12.46.102.0/24       10912       InterNAP Network Ser
      14764   UNALLOCATED  12.108.237.0/24       7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.83.16.0/21         35362     Best ISP
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      27.112.114.0/24      23884     Proimage Engineering and Comm
      
      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       /9:13      /10:28      /11:83      /12:236     
      /13:462     /14:834     /15:1508    /16:12304   /17:6324    /18:10705   
      /19:20805   /20:29533   /21:31182   /22:40852   /23:38649   /24:216623  
      /25:1232    /26:1440    /27:848     /28:169     /29:68      /30:18      
      /31:0       /32:22      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2679          3298      Windstream Communications Inc
      18566     2040          2091      Covad Communications 
       6389     1876          3405      bellsouth.net, inc. 
       8402     1465          1771      Corbina telecom
      30036     1373          1433      Mediacom Communications Corp 
      11492     1152          1189      Cable One 
      22773     1081          1649      Cox Communications, Inc.
       6503     1061          1527      AVANTEL, S.A. 
       1785     1032          1919      PaeTec Communications, Inc.
       8452     1023          1254      TEDATA
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:529       2:767       3:1         4:13        5:60        6:3      
         8:426      12:2016     13:1        14:625      15:12       16:3      
        17:5        20:25       23:183      24:1777     27:1311     31:990    
        32:56       33:2        34:2        36:9        37:722      38:811    
        40:127      41:3113     42:135      44:3        46:1420     47:2      
        49:392      50:562      52:13       54:12       55:10       56:1      
        57:34       58:964      59:496      60:260      61:1213     62:1007   
        63:2007     64:4218     65:2251     66:4453     67:2007     68:1160   
        69:3172     70:981      71:509      72:1825     74:2599     75:478    
        76:329      77:958      78:979      79:491      80:1222     81:947    
        82:658      83:541      84:504      85:1190     86:424      87:926    
        88:337      89:1723     90:293      91:4931     92:572      93:1384   
        94:1591     95:1227     96:373      97:315      98:902      99:38     
       100:17      101:248     103:1163    106:103     107:186     108:332    
       109:1376    110:778     111:922     112:418     113:618     114:637    
       115:849     116:950     117:732     118:922     119:1223    120:350    
       121:692     122:1671    123:1090    124:1393    125:1254    128:559    
       129:199     130:250     131:633     132:289     133:22      134:244    
       135:61      136:215     137:239     138:334     139:191     140:494    
       141:253     142:416     143:377     144:531     145:73      146:510    
       147:292     148:768     149:314     150:161     151:176     152:472    
       153:173     154:16      155:447     156:223     157:381     158:188    
       159:603     160:350     161:268     162:352     163:190     164:641    
       165:416     166:588     167:473     168:862     169:127     170:882    
       171:138     172:4       173:1779    174:599     175:429     176:544    
       177:803     178:1455    180:1262    181:97      182:1018    183:229    
       184:535     185:1       186:2307    187:1106    188:1348    189:1842   
       190:5589    192:6010    193:5529    194:4539    195:3411    196:1222   
       197:156     198:3664    199:4787    200:5889    201:1948    202:8651   
       203:8543    204:4349    205:2539    206:2810    207:2795    208:4012   
       209:3608    210:2774    211:1548    212:2034    213:1931    214:868    
       215:86      216:5114    217:1565    218:553     219:312     220:1237   
       221:570     222:317     223:362    
      
      End of report