[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, 14 Jul 2012 05:10:16 +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 Jul, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              416525
          Prefixes after maximum aggregation:                          175957
          Deaggregation factor:                                          2.37
          Unique aggregates announced to Internet:                     202804
      Total ASes present in the Internet Routing Table:                 41495
          Prefixes per ASN:                                             10.04
      Origin-only ASes present in the Internet Routing Table:           33311
      Origin ASes announcing only one prefix:                           15683
      Transit ASes present in the Internet Routing Table:                5581
      Transit-only ASes present in the Internet Routing Table:            135
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      31
          Max AS path prepend of ASN ( 51742)                              24
      Prefixes from unregistered ASNs in the Routing Table:               404
          Unregistered ASNs in the Routing Table:                         131
      Number of 32-bit ASNs allocated by the RIRs:                       2974
      Number of 32-bit ASNs visible in the Routing Table:                2603
      Prefixes from 32-bit ASNs in the Routing Table:                    6761
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            162
      Number of addresses announced to Internet:                   2565104428
          Equivalent to 152 /8s, 228 /16s and 99 /24s
          Percentage of available address space announced:               69.2
          Percentage of allocated address space announced:               69.3
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               93.0
      Total number of prefixes smaller than registry allocations:      144361
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   101982
          Total APNIC prefixes after maximum aggregation:               32789
          APNIC Deaggregation factor:                                    3.11
      Prefixes being announced from the APNIC address blocks:          102433
          Unique aggregates announced from the APNIC address blocks:    42106
      APNIC Region origin ASes present in the Internet Routing Table:    4715
          APNIC Prefixes per ASN:                                       21.72
      APNIC Region origin ASes announcing only one prefix:               1243
      APNIC Region transit ASes present in the Internet Routing Table:    739
      Average APNIC Region AS path length visible:                        4.6
          Max APNIC Region AS path length visible:                         26
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    245
      Number of APNIC addresses announced to Internet:              704212608
          Equivalent to 41 /8s, 249 /16s and 110 /24s
          Percentage of available APNIC address space announced:         82.3
      
      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:                    152258
          Total ARIN prefixes after maximum aggregation:                77460
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           153294
          Unique aggregates announced from the ARIN address blocks:     68403
      ARIN Region origin ASes present in the Internet Routing Table:    15189
          ARIN Prefixes per ASN:                                        10.09
      ARIN Region origin ASes announcing only one prefix:                5766
      ARIN Region transit ASes present in the Internet Routing Table:    1612
      Average ARIN Region AS path length visible:                         4.1
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
      Number of ARIN addresses announced to Internet:              1071305600
          Equivalent to 63 /8s, 218 /16s and 211 /24s
          Percentage of available ARIN address space announced:          56.7
      
      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:                    103627
          Total RIPE prefixes after maximum aggregation:                55173
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:           105822
          Unique aggregates announced from the RIPE address blocks:     67104
      RIPE Region origin ASes present in the Internet Routing Table:    16657
          RIPE Prefixes per ASN:                                         6.35
      RIPE Region origin ASes announcing only one prefix:                8072
      RIPE Region transit ASes present in the Internet Routing Table:    2711
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          31
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1715
      Number of RIPE addresses announced to Internet:               635650436
          Equivalent to 37 /8s, 227 /16s and 65 /24s
          Percentage of available RIPE address space announced:          92.4
      
      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
                             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:                   42512
          Total LACNIC prefixes after maximum aggregation:               8355
          LACNIC Deaggregation factor:                                   5.09
      Prefixes being announced from the LACNIC address blocks:          45201
          Unique aggregates announced from the LACNIC address blocks:   21759
      LACNIC Region origin ASes present in the Internet Routing Table:   1610
          LACNIC Prefixes per ASN:                                      28.08
      LACNIC Region origin ASes announcing only one prefix:               430
      LACNIC Region transit ASes present in the Internet Routing Table:   307
      Average LACNIC Region AS path length visible:                       4.7
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   621
      Number of LACNIC addresses announced to Internet:             112309160
          Equivalent to 6 /8s, 177 /16s and 179 /24s
          Percentage of available LACNIC address space announced:        66.9
      
      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:                   9181
          Total AfriNIC prefixes after maximum aggregation:              2126
          AfriNIC Deaggregation factor:                                  4.32
      Prefixes being announced from the AfriNIC address blocks:          9613
          Unique aggregates announced from the AfriNIC address blocks:   3291
      AfriNIC Region origin ASes present in the Internet Routing Table:   553
          AfriNIC Prefixes per ASN:                                     17.38
      AfriNIC Region origin ASes announcing only one prefix:              172
      AfriNIC Region transit ASes present in the Internet Routing Table:  124
      Average AfriNIC Region AS path length visible:                      4.4
          Max AfriNIC Region AS path length visible:                       25
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    5
      Number of AfriNIC addresses announced to Internet:             41186304
          Equivalent to 2 /8s, 116 /16s and 116 /24s
          Percentage of available AfriNIC address space announced:       40.9
      
      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
       4766     2733      11119        1236   Korea Telecom (KIX)
      17974     2217        558          80   PT TELEKOMUNIKASI INDONESIA
       7545     1690        301          86   TPG Internet Pty Ltd
       4755     1613        388         162   TATA Communications formerly 
       9829     1303       1085          28   BSNL National Internet Backbo
       9583     1167         88         505   Sify Limited
       7552     1128       1062          11   Vietel Corporation
       4808     1117       2053         318   CNCGROUP IP network: China169
      24560     1037        385         165   Bharti Airtel Ltd., Telemedia
       9498      982        291          68   BHARTI Airtel Ltd.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3389       3773         187   bellsouth.net, inc. 
       7029     3337        998         177   Windstream Communications Inc
      18566     2088        382         181   Covad Communications 
       1785     1935        681         130   PaeTec Communications, Inc.
      22773     1665       2911         121   Cox Communications, Inc.
      20115     1648       1571         615   Charter Communications 
       4323     1575       1043         384   Time Warner Telecom
      30036     1388        269         785   Mediacom Communications Corp 
       7018     1258      10044         823   AT&T WorldNet Services
       7011     1197        320         696   Citizens Utilities 
      
      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     1589        544          16   Corbina telecom
       2118     1023         97          14   EUnet/RELCOM Autonomous Syste
      12479      796        741          94   Uni2 Autonomous System
      34984      728        189         174   BILISIM TELEKOM
       6830      709       2292         443   UPC Distribution Services
      31148      702         37           9   FreeNet ISP
      20940      684        220         531   Akamai Technologies European 
       8551      577        364          61   Bezeq International
      13188      576        100          10   Educational Network
       3320      500       8443         410   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
      28573     2003       1214          55   NET Servicos de Comunicao S.A
      10620     1990        346         208   TVCABLE BOGOTA 
       6503     1523        418          66   AVANTEL, S.A. 
       8151     1466       3042         343   UniNet S.A. de C.V. 
       7303     1454        934         194   Telecom Argentina Stet-France
       6458      854         81          15   GUATEL 
      27947      714         73          93   Telconet S.A
      11172      643         91          74   Servicios Alestra S.A de C.V 
       3816      588        246          90   Empresa Nacional de Telecomun
      22047      583        326          15   VTR PUNTO NET S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1156        958          13   TEDATA
      24863      863        274          32   LINKdotNET AS number
       6713      508        649          18   Itissalat Al-MAGHRIB
      24835      285         80           8   RAYA Telecom - Egypt
       3741      262        905         223   The Internet Solution 
      12258      197         28          62   Vodacom Internet Company 
      33776      194         12          18   Starcomms Nigeria Limited
      29975      191        667          21   Vodacom
      16637      170        664          87   MTN Network Solutions
      15706      159         32           6   Sudatel Internet Exchange Aut
      
      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     3389       3773         187   bellsouth.net, inc. 
       7029     3337        998         177   Windstream Communications Inc
       4766     2733      11119        1236   Korea Telecom (KIX)
      17974     2217        558          80   PT TELEKOMUNIKASI INDONESIA
      18566     2088        382         181   Covad Communications 
      28573     2003       1214          55   NET Servicos de Comunicao S.A
      10620     1990        346         208   TVCABLE BOGOTA 
       1785     1935        681         130   PaeTec Communications, Inc.
       7545     1690        301          86   TPG Internet Pty Ltd
      22773     1665       2911         121   Cox Communications, Inc.
      
      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      3337        3160      Windstream Communications Inc
      17974      2217        2137      PT TELEKOMUNIKASI INDONESIA
      28573      2003        1948      NET Servicos de Comunicao S.A
      18566      2088        1907      Covad Communications 
       1785      1935        1805      PaeTec Communications, Inc.
      10620      1990        1782      TVCABLE BOGOTA 
       7545      1690        1604      TPG Internet Pty Ltd
       8402      1589        1573      Corbina telecom
      22773      1665        1544      Cox Communications, Inc.
       4766      2733        1497      Korea Telecom (KIX)
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
      23502   UNALLOCATED  12.44.44.0/24         7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.103.0/24        7018       AT&T WorldNet Servic
      17300   UNALLOCATED  12.45.110.0/24         701       UUNET Technologies, 
      16476   UNALLOCATED  12.46.27.0/24         7018       AT&T WorldNet Servic
      14764   UNALLOCATED  12.108.237.0/24       7018       AT&T WorldNet Servic
      33649   UNALLOCATED  12.111.112.0/24      19029       New Edge Networks 
      29760   UNALLOCATED  12.145.34.0/23        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      198.18.0.0/15        14744     Internap Network Services 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.144.160.0/20       12637     SEEWEB srl
      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
      
      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      /10:28      /11:82      /12:236     
      /13:471     /14:843     /15:1519    /16:12288   /17:6367    /18:10787   
      /19:20871   /20:29736   /21:31544   /22:41211   /23:39218   /24:217439  
      /25:1237    /26:1489    /27:857     /28:168     /29:62      /30:18      
      /31:0       /32:23      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2673          3337      Windstream Communications Inc
      18566     2038          2088      Covad Communications 
       6389     1868          3389      bellsouth.net, inc. 
      30036     1323          1388      Mediacom Communications Corp 
       8402     1285          1589      Corbina telecom
      11492     1154          1191      Cable One 
      22773     1095          1665      Cox Communications, Inc.
       6503     1051          1523      AVANTEL, S.A. 
       1785     1043          1935      PaeTec Communications, Inc.
       7011      934          1197      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:579       2:691       3:1         4:13        5:128       6:3      
         8:419      12:2007     13:1        14:636      15:12       16:3      
        17:5        20:24       23:188      24:1786     27:1329     31:1014   
        32:56       33:2        34:2        36:8        37:615      38:822    
        39:1        40:128      41:3016     42:141      44:3        46:1523   
        47:2        49:430      50:553      52:13       54:14       55:7      
        56:1        57:34       58:978      59:527      60:245      61:1335   
        62:923      63:2005     64:4229     65:2238     66:4495     67:2025   
        68:1140     69:3195     70:980      71:512      72:1868     74:2599   
        75:479      76:334      77:934      78:905      79:492      80:1215   
        81:942      82:650      83:523      84:500      85:1160     86:425    
        87:933      88:357      89:1684     90:303      91:5015     92:582    
        93:1302     94:1563     95:1242     96:357      97:321      98:887    
        99:39      100:20      101:256     103:1248    106:115     107:189    
       108:370     109:1461    110:789     111:939     112:428     113:654    
       114:655     115:905     116:920     117:722     118:903     119:1220   
       120:349     121:798     122:1662    123:1164    124:1380    125:1254   
       128:552     129:185     130:264     131:632     132:300     133:22     
       134:246     135:61      136:218     137:239     138:334     139:177    
       140:493     141:246     142:431     143:374     144:474     145:77     
       146:518     147:281     148:769     149:317     150:151     151:185    
       152:475     153:176     154:17      155:432     156:220     157:381    
       158:190     159:625     160:343     161:274     162:379     163:192    
       164:666     165:410     166:589     167:532     168:914     169:125    
       170:896     171:146     172:5       173:1726    174:607     175:437    
       176:563     177:955     178:1619    180:1303    181:104     182:989    
       183:230     184:539     186:1983    187:1089    188:1367    189:1592   
       190:6058    192:6008    193:5525    194:4476    195:3229    196:1211   
       197:170     198:3677    199:4860    200:5959    201:1992    202:8712   
       203:8667    204:4381    205:2523    206:2786    207:2761    208:4031   
       209:3626    210:2791    211:1561    212:1970    213:1813    214:867    
       215:83      216:5088    217:1550    218:556     219:339     220:1228   
       221:569     222:337     223:350    
      
      End of report