[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, 25 Aug 2012 04:33:55 +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 25 Aug, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              264582
          Prefixes after maximum aggregation:                           97761
          Deaggregation factor:                                          2.71
          Unique aggregates announced to Internet:                     119633
      Total ASes present in the Internet Routing Table:                 29036
          Prefixes per ASN:                                              9.11
      Origin-only ASes present in the Internet Routing Table:           22245
      Origin ASes announcing only one prefix:                           11565
      Transit ASes present in the Internet Routing Table:                4486
      Transit-only ASes present in the Internet Routing Table:            492
      Average AS path length visible in the Internet Routing Table:       4.6
          Max AS path length visible:                                      32
          Max AS path prepend of ASN ( 48687)                              24
      Prefixes from unregistered ASNs in the Routing Table:               435
          Unregistered ASNs in the Routing Table:                         144
      Number of 32-bit ASNs allocated by the RIRs:                       3169
      Number of 32-bit ASNs visible in the Routing Table:                2305
      Prefixes from 32-bit ASNs in the Routing Table:                    6164
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:             74
      Number of addresses announced to Internet:                   2132781732
          Equivalent to 127 /8s, 31 /16s and 170 /24s
          Percentage of available address space announced:               57.5
          Percentage of allocated address space announced:               57.6
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               93.3
      Total number of prefixes smaller than registry allocations:      117536
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    59813
          Total APNIC prefixes after maximum aggregation:               15336
          APNIC Deaggregation factor:                                    3.90
      Prefixes being announced from the APNIC address blocks:           60438
          Unique aggregates announced from the APNIC address blocks:    22879
      APNIC Region origin ASes present in the Internet Routing Table:    2883
          APNIC Prefixes per ASN:                                       20.96
      APNIC Region origin ASes announcing only one prefix:                806
      APNIC Region transit ASes present in the Internet Routing Table:    609
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         26
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    242
      Number of APNIC addresses announced to Internet:              551407040
          Equivalent to 32 /8s, 221 /16s and 205 /24s
          Percentage of available APNIC address space announced:         64.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 131072-133119
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                              49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                             106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                             116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                             123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                             163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                             203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                             222/8, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                     96228
          Total ARIN prefixes after maximum aggregation:                43322
          ARIN Deaggregation factor:                                     2.22
      Prefixes being announced from the ARIN address blocks:            97518
          Unique aggregates announced from the ARIN address blocks:     38278
      ARIN Region origin ASes present in the Internet Routing Table:    10585
          ARIN Prefixes per ASN:                                         9.21
      ARIN Region origin ASes announcing only one prefix:                4892
      ARIN Region transit ASes present in the Internet Routing Table:    1244
      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:       7
      Number of ARIN addresses announced to Internet:               937035712
          Equivalent to 55 /8s, 218 /16s and 7 /24s
          Percentage of available ARIN address space announced:          49.6
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                              29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                              40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                              53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                              65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                              72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                              98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                             129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                             137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                             146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                             157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                             165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                             173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                             205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     74529
          Total RIPE prefixes after maximum aggregation:                34410
          RIPE Deaggregation factor:                                     2.17
      Prefixes being announced from the RIPE address blocks:            76326
          Unique aggregates announced from the RIPE address blocks:     45907
      RIPE Region origin ASes present in the Internet Routing Table:    11345
          RIPE Prefixes per ASN:                                         6.73
      RIPE Region origin ASes announcing only one prefix:                5497
      RIPE Region transit ASes present in the Internet Routing Table:    2197
      Average RIPE Region AS path length visible:                         5.1
          Max RIPE Region AS path length visible:                          32
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1423
      Number of RIPE addresses announced to Internet:               548373764
          Equivalent to 32 /8s, 175 /16s and 133 /24s
          Percentage of available RIPE address space announced:          79.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             59392-61439, 196608-199679
      RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                              62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                             141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                             193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20998
          Total LACNIC prefixes after maximum aggregation:               3524
          LACNIC Deaggregation factor:                                   5.96
      Prefixes being announced from the LACNIC address blocks:          23232
          Unique aggregates announced from the LACNIC address blocks:   10439
      LACNIC Region origin ASes present in the Internet Routing Table:   1009
          LACNIC Prefixes per ASN:                                      23.02
      LACNIC Region origin ASes announcing only one prefix:               258
      LACNIC Region transit ASes present in the Internet Routing Table:   243
      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:   630
      Number of LACNIC addresses announced to Internet:              72150560
          Equivalent to 4 /8s, 76 /16s and 238 /24s
          Percentage of available LACNIC address space announced:        43.0
      
      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,
                             191/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   6759
          Total AfriNIC prefixes after maximum aggregation:              1134
          AfriNIC Deaggregation factor:                                  5.96
      Prefixes being announced from the AfriNIC address blocks:          6994
          Unique aggregates announced from the AfriNIC address blocks:   2064
      AfriNIC Region origin ASes present in the Internet Routing Table:   392
          AfriNIC Prefixes per ASN:                                     17.84
      AfriNIC Region origin ASes announcing only one prefix:              112
      AfriNIC Region transit ASes present in the Internet Routing Table:   94
      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:    3
      Number of AfriNIC addresses announced to Internet:             23734528
          Equivalent to 1 /8s, 106 /16s and 41 /24s
          Percentage of available AfriNIC address space announced:       23.6
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      17974     2051        678          47   PT TELEKOMUNIKASI INDONESIA
       9829     1271       1068          25   BSNL National Internet Backbo
       7545     1252        217          20   TPG Internet Pty Ltd
       4766     1140       8409         574   Korea Telecom (KIX)
       4755     1113        310          98   TATA Communications formerly 
       7552     1066       1054           9   Vietel Corporation
      24560     1017        384         140   Bharti Airtel Ltd., Telemedia
       9498      884        276          49   BHARTI Airtel Ltd.
       4808      726       1581         181   CNCGROUP IP network: China169
      17488      577        135         181   Hathway IP Over Cable Interne
      
      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
       7029     2956        878          80   Windstream Communications Inc
       6389     2739       3537         137   bellsouth.net, inc. 
      18566     1924        369         140   Covad Communications 
      22773     1729       2908          64   Cox Communications, Inc.
      20115     1590       1568         569   Charter Communications 
      30036     1445        284         732   Mediacom Communications Corp 
      11492     1197        217         345   Cable One 
       7011     1157        311         676   Citizens Utilities 
       1785     1007        378          32   PaeTec Communications, Inc.
      19262      952       4686         386   Verizon Global Networks 
      
      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     1561        538          12   Corbina telecom
      15557     1182       2232          27   LDCOM NETWORKS
      12479      818        759          79   Uni2 Autonomous System
      20940      692        226         534   Akamai Technologies European 
      31148      678         35           6   FreeNet ISP
      13188      656        100           8   Educational Network
      58113      613         69         359   LIR DATACENTER TELECOM SRL
       8551      528        336          40   Bezeq International
      34984      386        131          63   BILISIM TELEKOM
       6830      379       2066         213   UPC Distribution Services
      
      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
      28573     1780       1042          32   NET Servicos de Comunicao S.A
       6503     1113        360          18   AVANTEL, S.A. 
      10620     1107        221         152   TVCABLE BOGOTA 
       8151     1064       2424         191   UniNet S.A. de C.V. 
       7303      997        761         111   Telecom Argentina Stet-France
      18881      528        576          11   Global Village Telecom 
      27747      448        104           4   Telecentro S.A.
      27947      423         54          65   Telconet S.A
       7738      368        704          12   Telecomunicacoes da Bahia S.A
      14420      348         61          64   CORPORACION NACIONAL DE TELEC
      
      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      855        402           8   TEDATA
      24863      663        125          28   LINKdotNET AS number
      36998      534         48           3   MOBITEL
       6713      412        539          11   Itissalat Al-MAGHRIB
      24835      213         44           5   RAYA Telecom - Egypt
      33776      190         12          10   Starcomms Nigeria Limited
      29975      172        665          17   Vodacom
      12258      142         14          51   Vodacom Internet Company 
      36923      138         20           4   Swift Networks Limited
      29571      130         11          17   Ci Telecom Autonomous system 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       7029     2956        878          80   Windstream Communications Inc
       6389     2739       3537         137   bellsouth.net, inc. 
      17974     2051        678          47   PT TELEKOMUNIKASI INDONESIA
      18566     1924        369         140   Covad Communications 
      28573     1780       1042          32   NET Servicos de Comunicao S.A
      22773     1729       2908          64   Cox Communications, Inc.
      20115     1590       1568         569   Charter Communications 
       8402     1561        538          12   Corbina telecom
      30036     1445        284         732   Mediacom Communications Corp 
       9829     1271       1068          25   BSNL National Internet Backbo
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       6389      2739        2602      bellsouth.net, inc. 
      17974      2051        2004      PT TELEKOMUNIKASI INDONESIA
      18566      1924        1784      Covad Communications 
      28573      1780        1748      NET Servicos de Comunicao S.A
      22773      1729        1665      Cox Communications, Inc.
       8402      1561        1549      Corbina telecom
       9829      1271        1246      BSNL National Internet Backbo
       7545      1252        1232      TPG Internet Pty Ltd
      15557      1182        1155      LDCOM NETWORKS
       6503      1113        1095      AVANTEL, S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      59414   UNALLOCATED  5.102.144.0/21       15576       Nextra backbone in D
      59395   UNALLOCATED  5.133.16.0/21        12658       Dexterity Networks L
      59407   UNALLOCATED  5.134.16.0/21        51167       Giga-Hosting GmbH
      59521   UNALLOCATED  5.134.192.0/21       29518       Labs2
      59581   UNALLOCATED  5.149.8.0/21         25577       C4L main AS
      59457   UNALLOCATED  5.149.64.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.65.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.66.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.67.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.68.0/24        35567       DASTO semtel d.o.o.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      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
      41.207.224.0/23      36898     UniNet 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        /8:18       /9:13      /10:26      /11:74      /12:215     
      /13:411     /14:694     /15:1253    /16:10162   /17:5045    /18:8043    
      /19:13810   /20:22484   /21:23365   /22:28877   /23:25440   /24:122522  
      /25:622     /26:961     /27:404     /28:89      /29:30      /30:7       
      /31:0       /32:17      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2468          2956      Windstream Communications Inc
      18566     1890          1924      Covad Communications 
       6389     1534          2739      bellsouth.net, inc. 
      30036     1381          1445      Mediacom Communications Corp 
       8402     1292          1561      Corbina telecom
      22773     1167          1729      Cox Communications, Inc.
      11492     1160          1197      Cable One 
      15557     1156          1182      LDCOM NETWORKS
       7011      907          1157      Citizens Utilities 
       6503      857          1113      AVANTEL, S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:557       2:768       3:1         4:13        5:364       6:3      
         8:439      12:2006     13:1        14:647      15:11       16:3      
        17:6        20:27       23:204      24:1804     27:1324     31:1038   
        32:56       33:2        34:2        36:8        37:716      38:826    
        39:1        40:133      41:2852     42:155      44:3        46:1584   
        47:2        49:468      50:592      52:13       54:17       55:7      
        56:1        57:31       58:990      59:523      60:238      61:1284   
        62:991      63:2009     64:4264     65:2245     66:4520     67:2044   
        68:1157     69:3208     70:989      71:525      72:1861     74:2572   
        75:491      76:330      77:952      78:906      79:490      80:1276   
        81:956      82:633      83:534      84:622      85:1136     86:787    
        87:928      88:350      89:1809     90:301      91:5128     92:591    
        93:1481     94:1568     95:1268     96:414      97:317      98:892    
        99:39      100:23      101:261     103:1433    105:512     106:115    
       107:195     108:431     109:1908    110:795     111:956     112:430    
       113:686     114:652     115:847     116:888     117:729     118:934    
       119:1245    120:301     121:690     122:1657    123:1171    124:1356   
       125:1265    128:525     129:183     130:283     131:626     132:299    
       133:22      134:246     135:61      136:218     137:239     138:338    
       139:184     140:501     141:275     142:483     143:361     144:486    
       145:81      146:512     147:258     148:758     149:300     150:156    
       151:168     152:458     153:177     154:20      155:414     156:224    
       157:382     158:179     159:631     160:348     161:409     162:404    
       163:189     164:689     165:411     166:560     167:538     168:957    
       169:125     170:907     171:145     172:5       173:1717    174:632    
       175:440     176:603     177:1050    178:1692    180:1347    181:127    
       182:1037    183:223     184:590     186:2150    187:1078    188:1440   
       189:1545    190:1332   
      
      End of report