[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, 9 Jun 2012 05:03:20 +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 09 Jun, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              413039
          Prefixes after maximum aggregation:                          175026
          Deaggregation factor:                                          2.36
          Unique aggregates announced to Internet:                     201617
      Total ASes present in the Internet Routing Table:                 41269
          Prefixes per ASN:                                             10.01
      Origin-only ASes present in the Internet Routing Table:           33286
      Origin ASes announcing only one prefix:                           15684
      Transit ASes present in the Internet Routing Table:                5524
      Transit-only ASes present in the Internet Routing Table:            140
      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:               395
          Unregistered ASNs in the Routing Table:                         138
      Number of 32-bit ASNs allocated by the RIRs:                       2815
      Number of 32-bit ASNs visible in the Routing Table:                2459
      Prefixes from 32-bit ASNs in the Routing Table:                    6257
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            158
      Number of addresses announced to Internet:                   2561425708
          Equivalent to 152 /8s, 172 /16s and 65 /24s
          Percentage of available address space announced:               69.1
          Percentage of allocated address space announced:               69.2
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               92.8
      Total number of prefixes smaller than registry allocations:      171497
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   100699
          Total APNIC prefixes after maximum aggregation:               32592
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           97153
          Unique aggregates announced from the APNIC address blocks:    40289
      APNIC Region origin ASes present in the Internet Routing Table:    4708
          APNIC Prefixes per ASN:                                       20.64
      APNIC Region origin ASes announcing only one prefix:               1257
      APNIC Region transit ASes present in the Internet Routing Table:    739
      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:    224
      Number of APNIC addresses announced to Internet:              648549440
          Equivalent to 38 /8s, 168 /16s and 20 /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, 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:                    151599
          Total ARIN prefixes after maximum aggregation:                77134
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           121982
          Unique aggregates announced from the ARIN address blocks:     51397
      ARIN Region origin ASes present in the Internet Routing Table:    15161
          ARIN Prefixes per ASN:                                         8.05
      ARIN Region origin ASes announcing only one prefix:                5758
      ARIN Region transit ASes present in the Internet Routing Table:    1601
      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:      17
      Number of ARIN addresses announced to Internet:               816518336
          Equivalent to 48 /8s, 171 /16s and 20 /24s
          Percentage of available ARIN address space announced:          65.1
      
      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,  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:                    102916
          Total RIPE prefixes after maximum aggregation:                54777
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:            94838
          Unique aggregates announced from the RIPE address blocks:     59810
      RIPE Region origin ASes present in the Internet Routing Table:    16620
          RIPE Prefixes per ASN:                                         5.71
      RIPE Region origin ASes announcing only one prefix:                8068
      RIPE Region transit ASes present in the Internet Routing Table:    2663
      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:    1626
      Number of RIPE addresses announced to Internet:               515524868
          Equivalent to 30 /8s, 186 /16s and 73 /24s
          Percentage of available RIPE address space announced:          83.0
      
      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
                             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,
                             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:                   41994
          Total LACNIC prefixes after maximum aggregation:               8290
          LACNIC Deaggregation factor:                                   5.07
      Prefixes being announced from the LACNIC address blocks:          42193
          Unique aggregates announced from the LACNIC address blocks:   20602
      LACNIC Region origin ASes present in the Internet Routing Table:   1601
          LACNIC Prefixes per ASN:                                      26.35
      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:   587
      Number of LACNIC addresses announced to Internet:             101954184
          Equivalent to 6 /8s, 19 /16s and 178 /24s
          Percentage of available LACNIC address space announced:        67.5
      
      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:                   9388
          Total AfriNIC prefixes after maximum aggregation:              2169
          AfriNIC Deaggregation factor:                                  4.33
      Prefixes being announced from the AfriNIC address blocks:          7442
          Unique aggregates announced from the AfriNIC address blocks:   2195
      AfriNIC Region origin ASes present in the Internet Routing Table:   544
          AfriNIC Prefixes per ASN:                                     13.68
      AfriNIC Region origin ASes announcing only one prefix:              165
      AfriNIC Region transit ASes present in the Internet Routing Table:  120
      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:             31836160
          Equivalent to 1 /8s, 229 /16s and 200 /24s
          Percentage of available AfriNIC address space announced:       47.4
      
      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     2637      11113        1122   Korea Telecom (KIX)
      17974     1928        530          81   PT TELEKOMUNIKASI INDONESIA
       7545     1682        301          86   TPG Internet Pty Ltd
       4755     1590        385         155   TATA Communications formerly 
       9829     1297       1085          28   BSNL National Internet Backbo
       9583     1175         87         502   Sify Limited
       7552     1173       1062          11   Vietel Corporation
       4808     1103       2049         314   CNCGROUP IP network: China169
      24560     1029        385         163   Bharti Airtel Ltd., Telemedia
       9498      965        291          64   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     3409       3791         192   bellsouth.net, inc. 
       7029     3250        986         159   Windstream Communications Inc
      18566     2091        382         181   Covad Communications 
       1785     1917        681         131   PaeTec Communications, Inc.
      20115     1646       1570         616   Charter Communications 
      22773     1644       2911         121   Cox Communications, Inc.
       4323     1574       1043         385   Time Warner Telecom
      30036     1426        265         754   Mediacom Communications Corp 
       7018     1224      10013         823   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     1740        544          16   Corbina telecom
       2118     1226         97          14   EUnet/RELCOM Autonomous Syste
      12479      718        699          84   Uni2 Autonomous System
      34984      705        188         171   BILISIM TELEKOM
      31148      684         37           9   FreeNet ISP
      20940      667        219         523   Akamai Technologies European 
       6830      657       2217         426   UPC Distribution Services
       8551      580        364          61   Bezeq International
       3320      489       8442         402   Deutsche Telekom AG
       3292      474       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     1932        342         205   TVCABLE BOGOTA 
      28573     1923       1184          48   NET Servicos de Comunicao S.A
       6503     1532        418          65   AVANTEL, S.A. 
       8151     1496       3084         336   UniNet S.A. de C.V. 
       7303     1437        901         193   Telecom Argentina Stet-France
      26615      903        760          32   Tim Brasil S.A.
      27947      700         73          94   Telconet S.A
      11172      644         91          73   Servicios Alestra S.A de C.V 
       3816      584        247          89   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     1391        958          13   TEDATA
      24863      846        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      170        664          87   MTN Network Solutions
      29571      157         15          16   Ci Telecom Autonomous system 
      36923      157         20           4   Swift Networks Limited
      
      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     3409       3791         192   bellsouth.net, inc. 
       7029     3250        986         159   Windstream Communications Inc
       4766     2637      11113        1122   Korea Telecom (KIX)
      18566     2091        382         181   Covad Communications 
      10620     1932        342         205   TVCABLE BOGOTA 
      17974     1928        530          81   PT TELEKOMUNIKASI INDONESIA
      28573     1923       1184          48   NET Servicos de Comunicao S.A
       1785     1917        681         131   PaeTec Communications, Inc.
       8402     1740        544          16   Corbina telecom
       7545     1682        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      3250        3091      Windstream Communications Inc
      18566      2091        1910      Covad Communications 
      28573      1923        1875      NET Servicos de Comunicao S.A
      17974      1928        1847      PT TELEKOMUNIKASI INDONESIA
       1785      1917        1786      PaeTec Communications, Inc.
      10620      1932        1727      TVCABLE BOGOTA 
       8402      1740        1724      Corbina telecom
       7545      1682        1596      TPG Internet Pty Ltd
      22773      1644        1523      Cox Communications, Inc.
       4766      2637        1515      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
      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
      41.188.64.0/18       29544     Mauritanian Telecommunication
      
      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      /11:82      /12:236     
      /13:461     /14:832     /15:1505    /16:12298   /17:6303    /18:10641   
      /19:20776   /20:29530   /21:31054   /22:40785   /23:38492   /24:216195  
      /25:1236    /26:1449    /27:827     /28:172     /29:66      /30:17      
      /31:0       /32:22      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2910          3250      Windstream Communications Inc
       6389     2129          3409      bellsouth.net, inc. 
      18566     2040          2091      Covad Communications 
       8402     1718          1740      Corbina telecom
      30036     1366          1426      Mediacom Communications Corp 
       6503     1222          1532      AVANTEL, S.A. 
       8452     1190          1391      TEDATA
      11492     1152          1189      Cable One 
      22773     1089          1644      Cox Communications, Inc.
       7011     1073          1188      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:555       2:746       3:1         4:13        5:51        6:3      
         8:425      12:2012     13:1        14:619      15:12       16:3      
        17:5        20:23       23:180      24:1778     27:1306     31:977    
        32:56       33:2        34:2        36:9        37:684      38:812    
        40:127      41:3269     42:135      44:3        46:1423     47:2      
        49:401      50:555      52:13       54:12       55:8        56:1      
        57:33       58:960      59:497      60:259      61:1212     62:981    
        63:2008     64:4233     65:2249     66:4451     67:2028     68:1158   
        69:3174     70:950      71:508      72:1824     74:2591     75:471    
        76:327      77:956      78:973      79:478      80:1225     81:939    
        82:663      83:543      84:491      85:1192     86:432      87:918    
        88:334      89:1726     90:293      91:4919     92:557      93:1391   
        94:1566     95:1213     96:367      97:315      98:900      99:38     
       100:8       101:261     103:1133    106:95      107:186     108:330    
       109:1359    110:775     111:923     112:417     113:616     114:629    
       115:846     116:956     117:721     118:923     119:1232    120:358    
       121:695     122:1668    123:1102    124:1388    125:1261    128:559    
       129:202     130:247     131:632     132:288     133:22      134:242    
       135:61      136:215     137:239     138:358     139:185     140:494    
       141:252     142:417     143:375     144:532     145:72      146:508    
       147:293     148:776     149:312     150:164     151:179     152:469    
       153:174     154:14      155:446     156:222     157:381     158:186    
       159:578     160:345     161:265     162:347     163:190     164:638    
       165:404     166:592     167:471     168:863     169:127     170:878    
       171:136     172:4       173:1766    174:604     175:433     176:540    
       177:821     178:1381    180:1234    181:91      182:1050    183:228    
       184:528     185:1       186:2318    187:1122    188:1340    189:1827   
       190:5601    192:5992    193:5516    194:4532    195:3390    196:1224   
       197:151     198:3664    199:4763    200:5896    201:1951    202:8618   
       203:8565    204:4347    205:2509    206:2772    207:2801    208:4007   
       209:3608    210:2761    211:1545    212:2034    213:1931    214:874    
       215:98      216:5102    217:1548    218:553     219:313     220:1235   
       221:569     222:317     223:321    
      
      End of report