[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, 26 Nov 2011 05:19:07 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 26 Nov, 2011
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              383171
          Prefixes after maximum aggregation:                          167108
          Deaggregation factor:                                          2.29
          Unique aggregates announced to Internet:                     188188
      Total ASes present in the Internet Routing Table:                 39373
          Prefixes per ASN:                                              9.73
      Origin-only ASes present in the Internet Routing Table:           32422
      Origin ASes announcing only one prefix:                           15459
      Transit ASes present in the Internet Routing Table:                5298
      Transit-only ASes present in the Internet Routing Table:            137
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      33
          Max AS path prepend of ASN (48687)                               24
      Prefixes from unregistered ASNs in the Routing Table:              1776
          Unregistered ASNs in the Routing Table:                         904
      Number of 32-bit ASNs allocated by the RIRs:                       1995
      Number of 32-bit ASNs visible in the Routing Table:                1653
      Prefixes from 32-bit ASNs in the Routing Table:                    3905
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:             85
      Number of addresses announced to Internet:                   2493814272
          Equivalent to 148 /8s, 164 /16s and 150 /24s
          Percentage of available address space announced:               67.3
          Percentage of allocated address space announced:               67.3
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               91.6
      Total number of prefixes smaller than registry allocations:      161781
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    95482
          Total APNIC prefixes after maximum aggregation:               31239
          APNIC Deaggregation factor:                                    3.06
      Prefixes being announced from the APNIC address blocks:           91934
          Unique aggregates announced from the APNIC address blocks:    38658
      APNIC Region origin ASes present in the Internet Routing Table:    4601
          APNIC Prefixes per ASN:                                       19.98
      APNIC Region origin ASes announcing only one prefix:               1253
      APNIC Region transit ASes present in the Internet Routing Table:    713
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         18
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    109
      Number of APNIC addresses announced to Internet:              630811232
          Equivalent to 37 /8s, 153 /16s and 106 /24s
          Percentage of available APNIC address space announced:         80.0
      
      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:                    145956
          Total ARIN prefixes after maximum aggregation:                74537
          ARIN Deaggregation factor:                                     1.96
      Prefixes being announced from the ARIN address blocks:           118222
          Unique aggregates announced from the ARIN address blocks:     48634
      ARIN Region origin ASes present in the Internet Routing Table:    14758
          ARIN Prefixes per ASN:                                         8.01
      ARIN Region origin ASes announcing only one prefix:                5635
      ARIN Region transit ASes present in the Internet Routing Table:    1565
      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:      12
      Number of ARIN addresses announced to Internet:               803548096
          Equivalent to 47 /8s, 229 /16s and 43 /24s
          Percentage of available ARIN address space announced:          63.9
      
      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:                     92793
          Total RIPE prefixes after maximum aggregation:                51275
          RIPE Deaggregation factor:                                     1.81
      Prefixes being announced from the RIPE address blocks:            84982
          Unique aggregates announced from the RIPE address blocks:     54491
      RIPE Region origin ASes present in the Internet Routing Table:    16128
          RIPE Prefixes per ASN:                                         5.27
      RIPE Region origin ASes announcing only one prefix:                7973
      RIPE Region transit ASes present in the Internet Routing Table:    2549
      Average RIPE Region AS path length visible:                         4.8
          Max RIPE Region AS path length visible:                          33
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1151
      Number of RIPE addresses announced to Internet:               492677440
          Equivalent to 29 /8s, 93 /16s and 169 /24s
          Percentage of available RIPE address space announced:          79.4
      
      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:                   36535
          Total LACNIC prefixes after maximum aggregation:               7956
          LACNIC Deaggregation factor:                                   4.59
      Prefixes being announced from the LACNIC address blocks:          35946
          Unique aggregates announced from the LACNIC address blocks:   18739
      LACNIC Region origin ASes present in the Internet Routing Table:   1554
          LACNIC Prefixes per ASN:                                      23.13
      LACNIC Region origin ASes announcing only one prefix:               442
      LACNIC Region transit ASes present in the Internet Routing Table:   285
      Average LACNIC Region AS path length visible:                       4.5
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   377
      Number of LACNIC addresses announced to Internet:              93623936
          Equivalent to 5 /8s, 148 /16s and 150 /24s
          Percentage of available LACNIC address space announced:        62.0
      
      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:                   8328
          Total AfriNIC prefixes after maximum aggregation:              2027
          AfriNIC Deaggregation factor:                                  4.11
      Prefixes being announced from the AfriNIC address blocks:          6387
          Unique aggregates announced from the AfriNIC address blocks:   2014
      AfriNIC Region origin ASes present in the Internet Routing Table:   499
          AfriNIC Prefixes per ASN:                                     12.80
      AfriNIC Region origin ASes announcing only one prefix:              156
      AfriNIC Region transit ASes present in the Internet Routing Table:  107
      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:             27874816
          Equivalent to 1 /8s, 169 /16s and 86 /24s
          Percentage of available AfriNIC address space announced:       41.5
      
      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     2516      11105         973   Korea Telecom (KIX)
      17974     1636        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1626        303          86   TPG Internet Pty Ltd
       4755     1513        376         168   TATA Communications formerly 
       7552     1384       1064           7   Vietel Corporation
       9829     1166        989          28   BSNL National Internet Backbo
       9583     1095         80         494   Sify Limited
       4808     1081       2072         311   CNCGROUP IP network: China169
      24560      966        343         218   Bharti Airtel Ltd., Telemedia
      18101      953        119         149   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     3479       3814         217   bellsouth.net, inc. 
       7029     2909       1016         199   Windstream Communications Inc
      18566     2093        383         177   Covad Communications 
       1785     1849        680         121   PaeTec Communications, Inc.
       4323     1613       1078         389   Time Warner Telecom
      20115     1600       1546         624   Charter Communications 
      22773     1502       2909         104   Cox Communications, Inc.
      30036     1440        258         676   Mediacom Communications Corp 
      19262     1387       4683         401   Verizon Global Networks 
       7018     1314       7030         860   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     1587        480          15   Corbina telecom
       6830      651       1927         412   UPC Distribution Services
      34984      612        114         193   BILISIM TELEKOM
      20940      557        186         439   Akamai Technologies European 
       3320      512       8168         389   Deutsche Telekom AG
      12479      498        603          18   Uni2 Autonomous System
       3292      478       2106         406   TDC Tele Danmark
       8866      463        133          26   Bulgarian Telecommunication C
       8551      416        366          45   Bezeq International
      31148      412         22         116   FreeNet ISP
      
      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     1700        315         179   TVCABLE BOGOTA 
      28573     1515       1045          71   NET Servicos de Comunicao S.A
       8151     1448       2973         342   UniNet S.A. de C.V. 
       7303     1238        751         173   Telecom Argentina Stet-France
      27947      609         72          86   Telconet S.A
      22047      581        322          17   VTR PUNTO NET S.A. 
       6503      553        434          68   AVANTEL, S.A. 
       7738      553       1050          31   Telecomunicacoes da Bahia S.A
       3816      545        236          87   Empresa Nacional de Telecomun
      11172      528         85          95   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      897        446          12   TEDATA
      24863      781        146          36   LINKdotNET AS number
       3741      281        939         230   The Internet Solution 
      15706      242         32           6   Sudatel Internet Exchange Aut
      33776      240         13           8   Starcomms Nigeria Limited
       6713      235        519          14   Itissalat Al-MAGHRIB
      29571      218         17          13   Ci Telecom Autonomous system 
      12258      196         28          57   Vodacom Internet Company 
      24835      192         80           8   RAYA Telecom - Egypt
      16637      157        664          83   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     3479       3814         217   bellsouth.net, inc. 
       7029     2909       1016         199   Windstream Communications Inc
       4766     2516      11105         973   Korea Telecom (KIX)
      18566     2093        383         177   Covad Communications 
       1785     1849        680         121   PaeTec Communications, Inc.
      10620     1700        315         179   TVCABLE BOGOTA 
      17974     1636        511          36   PT TELEKOMUNIKASI INDONESIA
       7545     1626        303          86   TPG Internet Pty Ltd
       4323     1613       1078         389   Time Warner Telecom
      20115     1600       1546         624   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      2909        2710      Windstream Communications Inc
      18566      2093        1916      Covad Communications 
       1785      1849        1728      PaeTec Communications, Inc.
      17974      1636        1600      PT TELEKOMUNIKASI INDONESIA
       8402      1587        1572      Corbina telecom
       4766      2516        1543      Korea Telecom (KIX)
       7545      1626        1540      TPG Internet Pty Ltd
      10620      1700        1521      TVCABLE BOGOTA 
      28573      1515        1444      NET Servicos de Comunicao S.A
      22773      1502        1398      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      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
      24.225.128.0/18      36377     Comcast Telecommunications, I
      24.225.192.0/23      36377     Comcast Telecommunications, I
      24.225.192.0/18      36377     Comcast Telecommunications, I
      24.225.224.0/21      36377     Comcast Telecommunications, I
      24.225.237.0/24      36377     Comcast Telecommunications, I
      24.225.248.0/21      36377     Comcast Telecommunications, I
      41.222.79.0/24       37345     MEDALLION Communications
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:12      /10:27      /11:81      /12:236     
      /13:465     /14:809     /15:1434    /16:12028   /17:6089    /18:10141   
      /19:20013   /20:27720   /21:27902   /22:38036   /23:35600   /24:199083  
      /25:1163    /26:1365    /27:775     /28:165     /29:3       /30:0       
      /31:0       /32:5       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2538          2909      Windstream Communications Inc
       6389     2123          3479      bellsouth.net, inc. 
      18566     2042          2093      Covad Communications 
      10620     1595          1700      TVCABLE BOGOTA 
       8402     1562          1587      Corbina telecom
      30036     1400          1440      Mediacom Communications Corp 
      11492     1118          1155      Cable One 
       1785     1058          1849      PaeTec Communications, Inc.
       7011     1050          1167      Citizens Utilities 
      22773      962          1502      Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:421       2:487       4:15        5:1         6:3         8:358    
        12:1952     13:1        14:555      15:11       16:3        17:7      
        20:9        23:68       24:1694     27:1036     31:684      32:66     
        33:2        34:2        36:4        38:767      39:1        40:109    
        41:2868     42:64       43:1        44:3        46:1098     47:3      
        49:296      50:450      52:13       55:6        56:2        57:49     
        58:928      59:486      60:360      61:1167     62:916      63:1966   
        64:4080     65:2309     66:4345     67:2011     68:1172     69:3148   
        70:904      71:359      72:1814     74:2650     75:430      76:320    
        77:897      78:891      79:461      80:1145     81:839      82:523    
        83:520      84:471      85:1149     86:401      87:908      88:353    
        89:1596     90:246      91:4287     92:537      93:1438     94:1322   
        95:1126     96:396      97:285      98:771      99:37      101:247    
       103:513     106:7       107:97      108:86      109:1201    110:679    
       111:812     112:363     113:503     114:630     115:714     116:907    
       117:722     118:876     119:1289    120:353     121:669     122:1562   
       123:1027    124:1357    125:1354    128:269     129:184     130:174    
       131:633     132:155     133:21      134:224     135:54      136:212    
       137:145     138:285     139:122     140:494     141:250     142:379    
       143:400     144:498     145:66      146:476     147:220     148:641    
       149:275     150:163     151:191     152:449     153:172     154:7      
       155:379     156:208     157:360     158:156     159:488     160:333    
       161:215     162:365     163:175     164:518     165:381     166:540    
       167:448     168:828     169:145     170:826     171:87      172:4      
       173:1752    174:581     175:435     176:332     177:403     178:1127   
       180:1174    181:39      182:664     183:247     184:394     185:1      
       186:1464    187:783     188:994     189:1160    190:5222    192:5933   
       193:5057    194:3540    195:3112    196:1277    197:170     198:3614   
       199:4227    200:5527    201:1701    202:8557    203:8523    204:4308   
       205:2410    206:2655    207:2837    208:4024    209:3583    210:2741   
       211:1471    212:2012    213:1803    214:784     215:91      216:4921   
       217:1478    218:575     219:341     220:1253    221:523     222:327    
       223:280    
      
      End of report