[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, 21 Jul 2012 05:10:41 +1000 (EST)
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    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      TRNOG, CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfsinoz at gmail dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 21 Jul, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              418048
          Prefixes after maximum aggregation:                          176224
          Deaggregation factor:                                          2.37
          Unique aggregates announced to Internet:                     203512
      Total ASes present in the Internet Routing Table:                 41560
          Prefixes per ASN:                                             10.06
      Origin-only ASes present in the Internet Routing Table:           33342
      Origin ASes announcing only one prefix:                           15690
      Transit ASes present in the Internet Routing Table:                5589
      Transit-only ASes present in the Internet Routing Table:            132
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      26
          Max AS path prepend of ASN ( 36992)                              22
      Prefixes from unregistered ASNs in the Routing Table:               368
          Unregistered ASNs in the Routing Table:                         134
      Number of 32-bit ASNs allocated by the RIRs:                       3013
      Number of 32-bit ASNs visible in the Routing Table:                2629
      Prefixes from 32-bit ASNs in the Routing Table:                    6809
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            168
      Number of addresses announced to Internet:                   2568092204
          Equivalent to 153 /8s, 17 /16s and 250 /24s
          Percentage of available address space announced:               69.3
          Percentage of allocated address space announced:               69.4
          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:      145304
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   102118
          Total APNIC prefixes after maximum aggregation:               32802
          APNIC Deaggregation factor:                                    3.11
      Prefixes being announced from the APNIC address blocks:          102579
          Unique aggregates announced from the APNIC address blocks:    42176
      APNIC Region origin ASes present in the Internet Routing Table:    4719
          APNIC Prefixes per ASN:                                       21.74
      APNIC Region origin ASes announcing only one prefix:               1246
      APNIC Region transit ASes present in the Internet Routing Table:    745
      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:    250
      Number of APNIC addresses announced to Internet:              704482432
          Equivalent to 41 /8s, 253 /16s and 140 /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:                    152850
          Total ARIN prefixes after maximum aggregation:                77506
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           153890
          Unique aggregates announced from the ARIN address blocks:     68642
      ARIN Region origin ASes present in the Internet Routing Table:    15199
          ARIN Prefixes per ASN:                                        10.13
      ARIN Region origin ASes announcing only one prefix:                5763
      ARIN Region transit ASes present in the Internet Routing Table:    1606
      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:      16
      Number of ARIN addresses announced to Internet:              1071726976
          Equivalent to 63 /8s, 225 /16s and 65 /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:                    103959
          Total RIPE prefixes after maximum aggregation:                55283
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:           106121
          Unique aggregates announced from the RIPE address blocks:     67350
      RIPE Region origin ASes present in the Internet Routing Table:    16684
          RIPE Prefixes per ASN:                                         6.36
      RIPE Region origin ASes announcing only one prefix:                8081
      RIPE Region transit ASes present in the Internet Routing Table:    2715
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1731
      Number of RIPE addresses announced to Internet:               636890756
          Equivalent to 37 /8s, 246 /16s and 46 /24s
          Percentage of available RIPE address space announced:          92.6
      
      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:                   42631
          Total LACNIC prefixes after maximum aggregation:               8417
          LACNIC Deaggregation factor:                                   5.06
      Prefixes being announced from the LACNIC address blocks:          45328
          Unique aggregates announced from the LACNIC address blocks:   21794
      LACNIC Region origin ASes present in the Internet Routing Table:   1612
          LACNIC Prefixes per ASN:                                      28.12
      LACNIC Region origin ASes announcing only one prefix:               430
      LACNIC Region transit ASes present in the Internet Routing Table:   312
      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:   626
      Number of LACNIC addresses announced to Internet:             112341928
          Equivalent to 6 /8s, 178 /16s and 51 /24s
          Percentage of available LACNIC address space announced:        67.0
      
      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:                   9521
          Total AfriNIC prefixes after maximum aggregation:              2161
          AfriNIC Deaggregation factor:                                  4.41
      Prefixes being announced from the AfriNIC address blocks:          9962
          Unique aggregates announced from the AfriNIC address blocks:   3408
      AfriNIC Region origin ASes present in the Internet Routing Table:   551
          AfriNIC Prefixes per ASN:                                     18.08
      AfriNIC Region origin ASes announcing only one prefix:              170
      AfriNIC Region transit ASes present in the Internet Routing Table:  123
      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:    6
      Number of AfriNIC addresses announced to Internet:             41297664
          Equivalent to 2 /8s, 118 /16s and 39 /24s
          Percentage of available AfriNIC address space announced:       41.0
      
      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     2721      11122        1244   Korea Telecom (KIX)
      17974     2240        563          84   PT TELEKOMUNIKASI INDONESIA
       7545     1705        301          88   TPG Internet Pty Ltd
       4755     1616        388         163   TATA Communications formerly 
       9829     1305       1085          26   BSNL National Internet Backbo
       9583     1162         88         509   Sify Limited
       7552     1128       1062          11   Vietel Corporation
       4808     1118       2053         318   CNCGROUP IP network: China169
      24560     1037        385         165   Bharti Airtel Ltd., Telemedia
       9498      989        294          73   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
       7029     3435        998         172   Windstream Communications Inc
       6389     3385       3773         186   bellsouth.net, inc. 
      18566     2088        382         181   Covad Communications 
       1785     1937        681         131   PaeTec Communications, Inc.
      22773     1680       2911         122   Cox Communications, Inc.
      20115     1649       1571         615   Charter Communications 
       4323     1577       1028         383   Time Warner Telecom
      30036     1390        270         779   Mediacom Communications Corp 
       7018     1247      10039         819   AT&T WorldNet Services
      11492     1192        217         350   Cable One 
      
      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     1645        544          16   Corbina telecom
       2118     1023         97          14   EUnet/RELCOM Autonomous Syste
      12479      799        743          92   Uni2 Autonomous System
      34984      730        189         174   BILISIM TELEKOM
       6830      711       2302         445   UPC Distribution Services
      31148      705         37           9   FreeNet ISP
      20940      688        223         540   Akamai Technologies European 
      13188      635        100          10   Educational Network
       8551      577        364          61   Bezeq International
       3320      499       8443         409   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     2010        348         208   TVCABLE BOGOTA 
      28573     1986       1212          87   NET Servicos de Comunicao S.A
       6503     1523        418          66   AVANTEL, S.A. 
       8151     1463       3044         345   UniNet S.A. de C.V. 
       7303     1458        934         196   Telecom Argentina Stet-France
       6458      856         81          15   GUATEL 
      27947      717         74          94   Telconet S.A
      11172      643         91          74   Servicios Alestra S.A de C.V 
       3816      596        250          83   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      996        958          13   TEDATA
      24863      863        274          32   LINKdotNET AS number
       6713      509        650          19   Itissalat Al-MAGHRIB
      36998      483         48           3   MOBITEL
      24835      286         80           8   RAYA Telecom - Egypt
       3741      262        905         223   The Internet Solution 
      12258      197         28          62   Vodacom Internet Company 
      29975      191        667          21   Vodacom
      16637      169        664          86   MTN Network Solutions
      29571      160         15          15   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     3435        998         172   Windstream Communications Inc
       6389     3385       3773         186   bellsouth.net, inc. 
       4766     2721      11122        1244   Korea Telecom (KIX)
      17974     2240        563          84   PT TELEKOMUNIKASI INDONESIA
      18566     2088        382         181   Covad Communications 
      10620     2010        348         208   TVCABLE BOGOTA 
      28573     1986       1212          87   NET Servicos de Comunicao S.A
       1785     1937        681         131   PaeTec Communications, Inc.
       7545     1705        301          88   TPG Internet Pty Ltd
      22773     1680       2911         122   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
       6389      3385        3199      bellsouth.net, inc. 
      17974      2240        2156      PT TELEKOMUNIKASI INDONESIA
      18566      2088        1907      Covad Communications 
      28573      1986        1899      NET Servicos de Comunicao S.A
       1785      1937        1806      PaeTec Communications, Inc.
      10620      2010        1802      TVCABLE BOGOTA 
       8402      1645        1629      Corbina telecom
       7545      1705        1617      TPG Internet Pty Ltd
      22773      1680        1558      Cox Communications, Inc.
       4766      2721        1477      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
      59407   UNALLOCATED  5.134.16.0/21        51167       Giga-Hosting GmbH
      59457   UNALLOCATED  5.149.64.0/19        35567       DASTO semtel d.o.o.
      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
      
      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
      5.152.176.0/24       25577     C4L main AS
      5.153.64.0/19        12703     edNETs Autonomous System
      5.154.0.0/23         56465     Sistem Soft Network 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
      
      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     
      /13:473     /14:844     /15:1524    /16:12297   /17:6372    /18:10763   
      /19:20919   /20:29792   /21:31641   /22:41286   /23:39374   /24:218584  
      /25:1212    /26:1472    /27:854     /28:163     /29:60      /30:18      
      /31:0       /32:23      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2774          3435      Windstream Communications Inc
      18566     2038          2088      Covad Communications 
       6389     1865          3385      bellsouth.net, inc. 
       8402     1343          1645      Corbina telecom
      30036     1325          1390      Mediacom Communications Corp 
      11492     1155          1192      Cable One 
      22773     1107          1680      Cox Communications, Inc.
       6503     1051          1523      AVANTEL, S.A. 
       1785     1044          1937      PaeTec Communications, Inc.
       7011      930          1191      Citizens Utilities 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:577       2:737       3:1         4:13        5:153       6:3      
         8:438      12:2012     13:1        14:640      15:11       16:3      
        17:6        20:24       23:196      24:1796     27:1340     31:1018   
        32:56       33:2        34:2        36:8        37:662      38:826    
        39:1        40:134      41:2894     42:142      44:3        46:1524   
        47:2        49:432      50:558      52:13       54:14       55:8      
        56:1        57:31       58:983      59:529      60:244      61:1337   
        62:920      63:2034     64:4250     65:2245     66:4497     67:2014   
        68:1157     69:3201     70:988      71:514      72:1860     74:2603   
        75:490      76:334      77:939      78:921      79:492      80:1233   
        81:947      82:630      83:535      84:506      85:1150     86:423    
        87:928      88:347      89:1673     90:303      91:5039     92:581    
        93:1300     94:1560     95:1248     96:401      97:323      98:878    
        99:39      100:22      101:258     103:1288    105:464     106:115    
       107:189     108:384     109:1461    110:783     111:936     112:429    
       113:641     114:657     115:908     116:919     117:730     118:902    
       119:1231    120:356     121:801     122:1652    123:1167    124:1379   
       125:1260    128:551     129:185     130:267     131:632     132:300    
       133:22      134:247     135:61      136:215     137:241     138:334    
       139:177     140:496     141:253     142:432     143:370     144:490    
       145:77      146:510     147:283     148:770     149:319     150:149    
       151:186     152:473     153:176     154:19      155:406     156:222    
       157:381     158:190     159:628     160:341     161:264     162:379    
       163:192     164:674     165:413     166:588     167:529     168:914    
       169:127     170:900     171:149     172:5       173:1734    174:612    
       175:438     176:569     177:948     178:1641    180:1317    181:112    
       182:997     183:233     184:555     186:2040    187:1090    188:1370   
       189:1568    190:6121    192:6016    193:5542    194:4488    195:3210   
       196:1210    197:177     198:3681    199:4936    200:5991    201:1966   
       202:8695    203:8668    204:4392    205:2545    206:2791    207:2827   
       208:4046    209:3628    210:2783    211:1564    212:1973    213:1791   
       214:875     215:85      216:5085    217:1568    218:545     219:337    
       220:1222    221:572     222:336     223:347    
      
      End of report