[pacnog] 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: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 21 Jan 2012 05:29:44 +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 21 Jan, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              393115
          Prefixes after maximum aggregation:                          169030
          Deaggregation factor:                                          2.33
          Unique aggregates announced to Internet:                     191068
      Total ASes present in the Internet Routing Table:                 39874
          Prefixes per ASN:                                              9.86
      Origin-only ASes present in the Internet Routing Table:           32616
      Origin ASes announcing only one prefix:                           15498
      Transit ASes present in the Internet Routing Table:                5384
      Transit-only ASes present in the Internet Routing Table:            140
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:              2141
          Unregistered ASNs in the Routing Table:                        1089
      Number of 32-bit ASNs allocated by the RIRs:                       2200
      Number of 32-bit ASNs visible in the Routing Table:                1874
      Prefixes from 32-bit ASNs in the Routing Table:                    4540
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            118
      Number of addresses announced to Internet:                   2511238896
          Equivalent to 149 /8s, 174 /16s and 118 /24s
          Percentage of available address space announced:               67.8
          Percentage of allocated address space announced:               67.8
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.9
      Total number of prefixes smaller than registry allocations:      166200
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    97520
          Total APNIC prefixes after maximum aggregation:               31610
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:           93822
          Unique aggregates announced from the APNIC address blocks:    38983
      APNIC Region origin ASes present in the Internet Routing Table:    4637
          APNIC Prefixes per ASN:                                       20.23
      APNIC Region origin ASes announcing only one prefix:               1240
      APNIC Region transit ASes present in the Internet Routing Table:    726
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         19
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    134
      Number of APNIC addresses announced to Internet:              635145824
          Equivalent to 37 /8s, 219 /16s and 142 /24s
          Percentage of available APNIC address space announced:         80.5
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-132095, 132096-133119
      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:                    147631
          Total ARIN prefixes after maximum aggregation:                75140
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           119589
          Unique aggregates announced from the ARIN address blocks:     49078
      ARIN Region origin ASes present in the Internet Routing Table:    14859
          ARIN Prefixes per ASN:                                         8.05
      ARIN Region origin ASes announcing only one prefix:                5677
      ARIN Region transit ASes present in the Internet Routing Table:    1587
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          25
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      14
      Number of ARIN addresses announced to Internet:               805016256
          Equivalent to 47 /8s, 251 /16s and 146 /24s
          Percentage of available ARIN address space announced:          64.0
      
      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:                     97168
          Total RIPE prefixes after maximum aggregation:                52047
          RIPE Deaggregation factor:                                     1.87
      Prefixes being announced from the RIPE address blocks:            89044
          Unique aggregates announced from the RIPE address blocks:     55638
      RIPE Region origin ASes present in the Internet Routing Table:    16253
          RIPE Prefixes per ASN:                                         5.48
      RIPE Region origin ASes announcing only one prefix:                7981
      RIPE Region transit ASes present in the Internet Routing Table:    2588
      Average RIPE Region AS path length visible:                         4.7
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1301
      Number of RIPE addresses announced to Internet:               497788360
          Equivalent to 29 /8s, 171 /16s and 165 /24s
          Percentage of available RIPE address space announced:          80.2
      
      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:                   37373
          Total LACNIC prefixes after maximum aggregation:               8078
          LACNIC Deaggregation factor:                                   4.63
      Prefixes being announced from the LACNIC address blocks:          36993
          Unique aggregates announced from the LACNIC address blocks:   19328
      LACNIC Region origin ASes present in the Internet Routing Table:   1563
          LACNIC Prefixes per ASN:                                      23.67
      LACNIC Region origin ASes announcing only one prefix:               440
      LACNIC Region transit ASes present in the Internet Routing Table:   283
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        24
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   421
      Number of LACNIC addresses announced to Internet:              95480968
          Equivalent to 5 /8s, 176 /16s and 236 /24s
          Percentage of available LACNIC address space announced:        63.2
      
      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:                   8721
          Total AfriNIC prefixes after maximum aggregation:              2083
          AfriNIC Deaggregation factor:                                  4.19
      Prefixes being announced from the AfriNIC address blocks:          6744
          Unique aggregates announced from the AfriNIC address blocks:   2086
      AfriNIC Region origin ASes present in the Internet Routing Table:   506
          AfriNIC Prefixes per ASN:                                     13.33
      AfriNIC Region origin ASes announcing only one prefix:              160
      AfriNIC Region transit ASes present in the Internet Routing Table:  118
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    4
      Number of AfriNIC addresses announced to Internet:             30813184
          Equivalent to 1 /8s, 214 /16s and 44 /24s
          Percentage of available AfriNIC address space announced:       45.9
      
      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     2473      11101         975   Korea Telecom (KIX)
      17974     1715        503          36   PT TELEKOMUNIKASI INDONESIA
       7545     1638        303          86   TPG Internet Pty Ltd
       4755     1524        385         154   TATA Communications formerly 
       7552     1424       1064           7   Vietel Corporation
       9829     1163        989          28   BSNL National Internet Backbo
       9583     1119         81         490   Sify Limited
       4808     1100       2050         311   CNCGROUP IP network: China169
      24560     1007        383         166   Bharti Airtel Ltd., Telemedia
      18101      946        130         155   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     3449       3807         202   bellsouth.net, inc. 
       7029     3223       1016         199   Windstream Communications Inc
      18566     2093        382         177   Covad Communications 
       1785     1865        679         122   PaeTec Communications, Inc.
      20115     1620       1553         615   Charter Communications 
       4323     1607       1062         382   Time Warner Telecom
      30036     1487        266         707   Mediacom Communications Corp 
      22773     1486       2909         108   Cox Communications, Inc.
      19262     1386       4683         400   Verizon Global Networks 
       7018     1298       7008         849   AT&T WorldNet Services
      
      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     1714        480          15   Corbina telecom
       2118     1241         99          14   EUnet/RELCOM Autonomous Syste
      15557     1095       2161          64   LDCOM NETWORKS
       6830      644       1928         413   UPC Distribution Services
      34984      638        188         172   BILISIM TELEKOM
      31148      613         35           9   FreeNet ISP
      20940      571        185         453   Akamai Technologies European 
      12479      557        639          55   Uni2 Autonomous System
       8551      528        360          81   Bezeq International
       3320      517       8157         393   Deutsche Telekom AG
      
      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     1723        321         167   TVCABLE BOGOTA 
      28573     1616       1068          77   NET Servicos de Comunicao S.A
       8151     1460       2999         342   UniNet S.A. de C.V. 
       7303     1256        756         179   Telecom Argentina Stet-France
      27947      642         73          96   Telconet S.A
      22047      581        322          17   VTR PUNTO NET S.A. 
       7738      551       1050          31   Telecomunicacoes da Bahia S.A
       3816      550        238          92   Empresa Nacional de Telecomun
       6503      539        434          68   AVANTEL, S.A. 
      11172      532         85         106   Servicios Alestra S.A de C.V 
      
      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     1031        958          13   TEDATA
      24863      797        146          36   LINKdotNET AS number
       6713      485        649          18   Itissalat Al-MAGHRIB
       3741      280        939         229   The Internet Solution 
      15706      239         32           6   Sudatel Internet Exchange Aut
      33776      234         13          14   Starcomms Nigeria Limited
      29571      214         17          12   Ci Telecom Autonomous system 
      12258      196         28          61   Vodacom Internet Company 
      24835      189         80           8   RAYA Telecom - Egypt
      16637      160        664          82   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     3449       3807         202   bellsouth.net, inc. 
       7029     3223       1016         199   Windstream Communications Inc
       4766     2473      11101         975   Korea Telecom (KIX)
      18566     2093        382         177   Covad Communications 
       1785     1865        679         122   PaeTec Communications, Inc.
      10620     1723        321         167   TVCABLE BOGOTA 
      17974     1715        503          36   PT TELEKOMUNIKASI INDONESIA
       8402     1714        480          15   Corbina telecom
       7545     1638        303          86   TPG Internet Pty Ltd
      20115     1620       1553         615   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
       7029      3223        3024      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1865        1743      PaeTec Communications, Inc.
       8402      1714        1699      Corbina telecom
      17974      1715        1679      PT TELEKOMUNIKASI INDONESIA
      10620      1723        1556      TVCABLE BOGOTA 
       7545      1638        1552      TPG Internet Pty Ltd
      28573      1616        1539      NET Servicos de Comunicao S.A
       4766      2473        1498      Korea Telecom (KIX)
       7552      1424        1417      Vietel Corporation
      
      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
      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
      
      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
      37.60.208.0/20       31214     TIS-DIALOG Autonomous system
      37.61.144.0/20       34977     PROCONO S.A.
      
      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       /9:12      /10:27      /11:80      /12:232     
      /13:458     /14:817     /15:1462    /16:12139   /17:6159    /18:10248   
      /19:20303   /20:28150   /21:29098   /22:39196   /23:36683   /24:204402  
      /25:1171    /26:1422    /27:782     /28:168     /29:55      /30:14      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2843          3223      Windstream Communications Inc
       6389     2120          3449      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
       8402     1693          1714      Corbina telecom
      10620     1618          1723      TVCABLE BOGOTA 
      30036     1444          1487      Mediacom Communications Corp 
      11492     1116          1153      Cable One 
       1785     1067          1865      PaeTec Communications, Inc.
      15557     1046          1095      LDCOM NETWORKS
       7011     1031          1148      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:501       2:464       4:15        5:1         6:3         8:377    
        12:1950     13:1        14:583      15:11       16:3        17:6      
        20:9        23:112      24:1675     27:1178     31:821      32:65     
        33:2        34:2        36:8        37:102      38:794      40:114    
        41:2937     42:87       43:1        44:3        46:1204     47:3      
        49:319      50:517      52:13       54:1        55:7        56:2      
        57:41       58:948      59:491      60:345      61:1180     62:920    
        63:1978     64:4108     65:2286     66:4404     67:2022     68:1155   
        69:3142     70:920      71:428      72:1799     74:2653     75:445    
        76:320      77:966      78:904      79:500      80:1189     81:870    
        82:559      83:533      84:586      85:1153     86:743      87:905    
        88:341      89:1583     90:257      91:4432     92:531      93:1557   
        94:1363     95:1104     96:425      97:299      98:789      99:38     
       100:18      101:132     103:652     106:10      107:134     108:125    
       109:1467    110:688     111:839     112:429     113:525     114:601    
       115:757     116:851     117:727     118:901     119:1247    120:355    
       121:681     122:1630    123:1061    124:1338    125:1341    128:537    
       129:193     130:213     131:588     132:160     133:21      134:231    
       135:59      136:213     137:152     138:288     139:145     140:491    
       141:260     142:377     143:400     144:510     145:68      146:486    
       147:227     148:640     149:281     150:165     151:193     152:446    
       153:170     154:7       155:400     156:210     157:367     158:154    
       159:510     160:320     161:221     162:339     163:188     164:530    
       165:391     166:561     167:457     168:852     169:147     170:835    
       171:105     172:4       173:1779    174:584     175:416     176:371    
       177:464     178:1202    180:1227    181:43      182:693     183:274    
       184:404     185:1       186:1503    187:840     188:980     189:1164   
       190:5373    192:5988    193:5459    194:4198    195:3384    196:1290   
       197:168     198:3621    199:4324    200:5640    201:1697    202:8410   
       203:8602    204:4339    205:2429    206:2746    207:2803    208:4010   
       209:3544    210:2745    211:1474    212:1974    213:1825    214:847    
       215:95      216:4975    217:1473    218:557     219:341     220:1250   
       221:558     222:324     223:270    
      
      End of report