[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, 14 Jan 2012 05:29:10 +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 14 Jan, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              390792
          Prefixes after maximum aggregation:                          168714
          Deaggregation factor:                                          2.32
          Unique aggregates announced to Internet:                     190828
      Total ASes present in the Internet Routing Table:                 39823
          Prefixes per ASN:                                              9.81
      Origin-only ASes present in the Internet Routing Table:           32590
      Origin ASes announcing only one prefix:                           15510
      Transit ASes present in the Internet Routing Table:                5382
      Transit-only ASes present in the Internet Routing Table:            143
      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:              2098
          Unregistered ASNs in the Routing Table:                        1058
      Number of 32-bit ASNs allocated by the RIRs:                       2178
      Number of 32-bit ASNs visible in the Routing Table:                1851
      Prefixes from 32-bit ASNs in the Routing Table:                    4455
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            120
      Number of addresses announced to Internet:                   2509165880
          Equivalent to 149 /8s, 142 /16s and 213 /24s
          Percentage of available address space announced:               67.7
          Percentage of allocated address space announced:               67.7
          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:      165725
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    96436
          Total APNIC prefixes after maximum aggregation:               31482
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           92792
          Unique aggregates announced from the APNIC address blocks:    38873
      APNIC Region origin ASes present in the Internet Routing Table:    4636
          APNIC Prefixes per ASN:                                       20.02
      APNIC Region origin ASes announcing only one prefix:               1249
      APNIC Region transit ASes present in the Internet Routing Table:    731
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    133
      Number of APNIC addresses announced to Internet:              634071944
          Equivalent to 37 /8s, 203 /16s and 43 /24s
          Percentage of available APNIC address space announced:         80.4
      
      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:                    147469
          Total ARIN prefixes after maximum aggregation:                75118
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           119452
          Unique aggregates announced from the ARIN address blocks:     49103
      ARIN Region origin ASes present in the Internet Routing Table:    14847
          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:    1584
      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:               804708544
          Equivalent to 47 /8s, 246 /16s and 224 /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:                     96603
          Total RIPE prefixes after maximum aggregation:                51929
          RIPE Deaggregation factor:                                     1.86
      Prefixes being announced from the RIPE address blocks:            88466
          Unique aggregates announced from the RIPE address blocks:     55570
      RIPE Region origin ASes present in the Internet Routing Table:    16238
          RIPE Prefixes per ASN:                                         5.45
      RIPE Region origin ASes announcing only one prefix:                7979
      RIPE Region transit ASes present in the Internet Routing Table:    2582
      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:    1284
      Number of RIPE addresses announced to Internet:               497328072
          Equivalent to 29 /8s, 164 /16s and 159 /24s
          Percentage of available RIPE address space announced:          80.1
      
      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:                   37209
          Total LACNIC prefixes after maximum aggregation:               8038
          LACNIC Deaggregation factor:                                   4.63
      Prefixes being announced from the LACNIC address blocks:          36808
          Unique aggregates announced from the LACNIC address blocks:   19247
      LACNIC Region origin ASes present in the Internet Routing Table:   1560
          LACNIC Prefixes per ASN:                                      23.59
      LACNIC Region origin ASes announcing only one prefix:               446
      LACNIC Region transit ASes present in the Internet Routing Table:   287
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   416
      Number of LACNIC addresses announced to Internet:              95387016
          Equivalent to 5 /8s, 175 /16s and 125 /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:                   8459
          Total AfriNIC prefixes after maximum aggregation:              2074
          AfriNIC Deaggregation factor:                                  4.08
      Prefixes being announced from the AfriNIC address blocks:          6501
          Unique aggregates announced from the AfriNIC address blocks:   2075
      AfriNIC Region origin ASes present in the Internet Routing Table:   506
          AfriNIC Prefixes per ASN:                                     12.85
      AfriNIC Region origin ASes announcing only one prefix:              159
      AfriNIC Region transit ASes present in the Internet Routing Table:  115
      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:    4
      Number of AfriNIC addresses announced to Internet:             30834432
          Equivalent to 1 /8s, 214 /16s and 127 /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      11100         971   Korea Telecom (KIX)
      17974     1715        503          36   PT TELEKOMUNIKASI INDONESIA
       7545     1609        303          83   TPG Internet Pty Ltd
       4755     1516        385         156   TATA Communications formerly 
       7552     1425       1064           7   Vietel Corporation
       9829     1163        989          28   BSNL National Internet Backbo
       9583     1118         81         495   Sify Limited
       4808     1103       2053         314   CNCGROUP IP network: China169
      24560     1010        384         167   Bharti Airtel Ltd., Telemedia
      18101      976        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     3455       3807         207   bellsouth.net, inc. 
       7029     3222       1017         200   Windstream Communications Inc
      18566     2093        382         177   Covad Communications 
       1785     1865        680         123   PaeTec Communications, Inc.
      20115     1618       1552         619   Charter Communications 
       4323     1604       1062         382   Time Warner Telecom
      22773     1517       2909         108   Cox Communications, Inc.
      30036     1489        264         696   Mediacom Communications Corp 
      19262     1388       4683         401   Verizon Global Networks 
       7018     1299       7012         850   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     1665        480          15   Corbina telecom
      15557     1096       2161          64   LDCOM NETWORKS
       2118      927         99          14   EUnet/RELCOM Autonomous Syste
      31148      657         35           9   FreeNet ISP
       6830      644       1928         413   UPC Distribution Services
      34984      639        188         174   BILISIM TELEKOM
      20940      562        182         448   Akamai Technologies European 
      12479      551        636          53   Uni2 Autonomous System
       8551      521        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     1738        321         159   TVCABLE BOGOTA 
      28573     1579       1066          77   NET Servicos de Comunicao S.A
       8151     1462       2997         343   UniNet S.A. de C.V. 
       7303     1256        756         179   Telecom Argentina Stet-France
      27947      634         73          95   Telconet S.A
      22047      582        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      541        434          68   AVANTEL, S.A. 
      11172      535        102         101   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     1013        958          13   TEDATA
      24863      795        146          36   LINKdotNET AS number
       3741      280        939         229   The Internet Solution 
       6713      250        649          18   Itissalat Al-MAGHRIB
      33776      240         13           8   Starcomms Nigeria Limited
      15706      239         32           6   Sudatel Internet Exchange Aut
      29571      218         17          12   Ci Telecom Autonomous system 
      12258      195         28          60   Vodacom Internet Company 
      24835      188         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     3455       3807         207   bellsouth.net, inc. 
       7029     3222       1017         200   Windstream Communications Inc
       4766     2473      11100         971   Korea Telecom (KIX)
      18566     2093        382         177   Covad Communications 
       1785     1865        680         123   PaeTec Communications, Inc.
      10620     1738        321         159   TVCABLE BOGOTA 
      17974     1715        503          36   PT TELEKOMUNIKASI INDONESIA
       8402     1665        480          15   Corbina telecom
      20115     1618       1552         619   Charter Communications 
       7545     1609        303          83   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      3222        3022      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1865        1742      PaeTec Communications, Inc.
      17974      1715        1679      PT TELEKOMUNIKASI INDONESIA
       8402      1665        1650      Corbina telecom
      10620      1738        1579      TVCABLE BOGOTA 
       7545      1609        1526      TPG Internet Pty Ltd
       4766      2473        1502      Korea Telecom (KIX)
      28573      1579        1502      NET Servicos de Comunicao S.A
       7552      1425        1418      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
      37.46.80.0/21        23456     32-bit ASN transition
      41.222.79.0/24       37345     MEDALLION Communications
      
      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      /11:81      /12:234     
      /13:463     /14:817     /15:1459    /16:12118   /17:6147    /18:10195   
      /19:20203   /20:27995   /21:28534   /22:38863   /23:36419   /24:203565  
      /25:1181    /26:1420    /27:782     /28:171     /29:56      /30:13      
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2842          3222      Windstream Communications Inc
       6389     2116          3455      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
       8402     1644          1665      Corbina telecom
      10620     1633          1738      TVCABLE BOGOTA 
      30036     1448          1489      Mediacom Communications Corp 
      11492     1115          1152      Cable One 
       1785     1066          1865      PaeTec Communications, Inc.
      15557     1046          1096      LDCOM NETWORKS
       7011     1042          1159      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:494       2:464       4:15        5:1         6:3         8:368    
        12:1950     13:1        14:586      15:11       16:3        17:6      
        20:9        23:98       24:1710     27:1170     31:812      32:67     
        33:2        34:2        36:8        37:87       38:794      40:114    
        41:2895     42:85       43:1        44:3        46:1216     47:3      
        49:317      50:506      52:13       55:7        56:2        57:41     
        58:946      59:491      60:344      61:1182     62:950      63:1966   
        64:4119     65:2298     66:4375     67:2005     68:1155     69:3149   
        70:918      71:427      72:1805     74:2649     75:446      76:320    
        77:948      78:899      79:497      80:1187     81:863      82:550    
        83:530      84:586      85:1155     86:748      87:908      88:338    
        89:1598     90:267      91:4418     92:534      93:1543     94:1351   
        95:1062     96:394      97:296      98:798      99:38      100:18     
       101:127     103:637     106:10      107:133     108:125     109:1422   
       110:684     111:839     112:427     113:519     114:610     115:756    
       116:868     117:726     118:907     119:1235    120:357     121:679    
       122:1624    123:1050    124:1336    125:1352    128:535     129:192    
       130:201     131:588     132:162     133:21      134:226     135:58     
       136:213     137:151     138:288     139:144     140:490     141:261    
       142:379     143:393     144:504     145:68      146:484     147:223    
       148:635     149:279     150:166     151:193     152:447     153:170    
       154:7       155:393     156:210     157:366     158:155     159:511    
       160:320     161:222     162:337     163:188     164:529     165:391    
       166:562     167:456     168:853     169:147     170:830     171:103    
       172:4       173:1778    174:589     175:418     176:348     177:454    
       178:1183    180:1219    181:43      182:687     183:264     184:430    
       185:1       186:1490    187:831     188:1034    189:1156    190:5321   
       192:5991    193:5462    194:3943    195:3313    196:1281    197:167    
       198:3627    199:4295    200:5583    201:1703    202:8417    203:8588   
       204:4353    205:2430    206:2734    207:2806    208:4020    209:3551   
       210:2742    211:1480    212:1968    213:1818    214:838     215:94     
       216:4938    217:1472    218:560     219:337     220:1247    221:557    
       222:324     223:267    
      
      End of report