[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, 23 Jun 2012 04:48:33 +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 23 Jun, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              414975
          Prefixes after maximum aggregation:                          175345
          Deaggregation factor:                                          2.37
          Unique aggregates announced to Internet:                     202288
      Total ASes present in the Internet Routing Table:                 41358
          Prefixes per ASN:                                             10.03
      Origin-only ASes present in the Internet Routing Table:           33312
      Origin ASes announcing only one prefix:                           15660
      Transit ASes present in the Internet Routing Table:                5532
      Transit-only ASes present in the Internet Routing Table:            141
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      28
          Max AS path prepend of ASN ( 36992)                              22
      Prefixes from unregistered ASNs in the Routing Table:               392
          Unregistered ASNs in the Routing Table:                         123
      Number of 32-bit ASNs allocated by the RIRs:                       2879
      Number of 32-bit ASNs visible in the Routing Table:                2514
      Prefixes from 32-bit ASNs in the Routing Table:                    6440
      Special use prefixes present in the Routing Table:                    2
      Prefixes being announced from unallocated address space:            260
      Number of addresses announced to Internet:                   2568129068
          Equivalent to 153 /8s, 18 /16s and 138 /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:      144378
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   101060
          Total APNIC prefixes after maximum aggregation:               32679
          APNIC Deaggregation factor:                                    3.09
      Prefixes being announced from the APNIC address blocks:          101493
          Unique aggregates announced from the APNIC address blocks:    41912
      APNIC Region origin ASes present in the Internet Routing Table:    4708
          APNIC Prefixes per ASN:                                       21.56
      APNIC Region origin ASes announcing only one prefix:               1240
      APNIC Region transit ASes present in the Internet Routing Table:    743
      Average APNIC Region AS path length visible:                        4.7
          Max APNIC Region AS path length visible:                         24
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    238
      Number of APNIC addresses announced to Internet:              703274368
          Equivalent to 41 /8s, 235 /16s and 29 /24s
          Percentage of available APNIC address space announced:         82.2
      
      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:                    152044
          Total ARIN prefixes after maximum aggregation:                77265
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           152987
          Unique aggregates announced from the ARIN address blocks:     68132
      ARIN Region origin ASes present in the Internet Routing Table:    15172
          ARIN Prefixes per ASN:                                        10.08
      ARIN Region origin ASes announcing only one prefix:                5752
      ARIN Region transit ASes present in the Internet Routing Table:    1601
      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:      16
      Number of ARIN addresses announced to Internet:              1080985216
          Equivalent to 64 /8s, 110 /16s and 134 /24s
          Percentage of available ARIN address space announced:          57.2
      
      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:                    103551
          Total RIPE prefixes after maximum aggregation:                54846
          RIPE Deaggregation factor:                                     1.89
      Prefixes being announced from the RIPE address blocks:           105587
          Unique aggregates announced from the RIPE address blocks:     66781
      RIPE Region origin ASes present in the Internet Routing Table:    16640
          RIPE Prefixes per ASN:                                         6.35
      RIPE Region origin ASes announcing only one prefix:                8070
      RIPE Region transit ASes present in the Internet Routing Table:    2666
      Average RIPE Region AS path length visible:                         5.0
          Max RIPE Region AS path length visible:                          28
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    1654
      Number of RIPE addresses announced to Internet:               631874948
          Equivalent to 37 /8s, 169 /16s and 165 /24s
          Percentage of available RIPE address space announced:          91.9
      
      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:                   42327
          Total LACNIC prefixes after maximum aggregation:               8320
          LACNIC Deaggregation factor:                                   5.09
      Prefixes being announced from the LACNIC address blocks:          44845
          Unique aggregates announced from the LACNIC address blocks:   21926
      LACNIC Region origin ASes present in the Internet Routing Table:   1600
          LACNIC Prefixes per ASN:                                      28.03
      LACNIC Region origin ASes announcing only one prefix:               431
      LACNIC Region transit ASes present in the Internet Routing Table:   308
      Average LACNIC Region AS path length visible:                       4.4
          Max LACNIC Region AS path length visible:                        21
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   600
      Number of LACNIC addresses announced to Internet:             111077288
          Equivalent to 6 /8s, 158 /16s and 231 /24s
          Percentage of available LACNIC address space announced:        66.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                             191/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   9352
          Total AfriNIC prefixes after maximum aggregation:              2173
          AfriNIC Deaggregation factor:                                  4.30
      Prefixes being announced from the AfriNIC address blocks:          9803
          Unique aggregates announced from the AfriNIC address blocks:   3304
      AfriNIC Region origin ASes present in the Internet Routing Table:   548
          AfriNIC Prefixes per ASN:                                     17.89
      AfriNIC Region origin ASes announcing only one prefix:              167
      AfriNIC Region transit ASes present in the Internet Routing Table:  125
      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:    6
      Number of AfriNIC addresses announced to Internet:             40527872
          Equivalent to 2 /8s, 106 /16s and 104 /24s
          Percentage of available AfriNIC address space announced:       40.3
      
      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     2704      11117        1196   Korea Telecom (KIX)
      17974     1945        533          80   PT TELEKOMUNIKASI INDONESIA
       7545     1689        301          87   TPG Internet Pty Ltd
       4755     1594        385         154   TATA Communications formerly 
       9829     1300       1085          28   BSNL National Internet Backbo
       9583     1173         89         511   Sify Limited
       4808     1107       2054         313   CNCGROUP IP network: China169
       7552     1100       1062          11   Vietel Corporation
      24560     1034        385         165   Bharti Airtel Ltd., Telemedia
       9498      966        291          63   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     3401       3791         190   bellsouth.net, inc. 
       7029     3238        986         157   Windstream Communications Inc
      18566     2091        382         181   Covad Communications 
       1785     1925        681         132   PaeTec Communications, Inc.
      22773     1650       2911         121   Cox Communications, Inc.
      20115     1645       1570         613   Charter Communications 
       4323     1571       1043         385   Time Warner Telecom
      30036     1439        269         763   Mediacom Communications Corp 
       7018     1225      10013         823   AT&T WorldNet Services
      11492     1189        216         356   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     1690        544          16   Corbina telecom
       2118     1255         97          14   EUnet/RELCOM Autonomous Syste
      12479      757        721          93   Uni2 Autonomous System
      34984      710        188         173   BILISIM TELEKOM
      31148      686         37           9   FreeNet ISP
       6830      685       2234         437   UPC Distribution Services
      20940      664        215         520   Akamai Technologies European 
       8551      577        364          61   Bezeq International
       3320      490       8442         403   Deutsche Telekom AG
      13188      476        100          10   Educational Network
      
      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     1967        342         205   TVCABLE BOGOTA 
      28573     1942       1211          54   NET Servicos de Comunicao S.A
       6503     1530        418          65   AVANTEL, S.A. 
       8151     1491       3068         336   UniNet S.A. de C.V. 
       7303     1440        901         195   Telecom Argentina Stet-France
      26615      903        728          33   Tim Brasil S.A.
      27947      705         73          93   Telconet S.A
      11172      646         91          74   Servicios Alestra S.A de C.V 
       3816      586        247          89   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     1275        958          13   TEDATA
      24863      860        274          35   LINKdotNET AS number
       6713      499        649          18   Itissalat Al-MAGHRIB
      24835      321         80           8   RAYA Telecom - Egypt
       3741      262        905         223   The Internet Solution 
      33776      209         12          21   Starcomms Nigeria Limited
      12258      197         28          62   Vodacom Internet Company 
      16637      172        664          87   MTN Network Solutions
      29975      167        571          19   Vodacom
      29571      157         15          16   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
       6389     3401       3791         190   bellsouth.net, inc. 
       7029     3238        986         157   Windstream Communications Inc
       4766     2704      11117        1196   Korea Telecom (KIX)
      18566     2091        382         181   Covad Communications 
      10620     1967        342         205   TVCABLE BOGOTA 
      17974     1945        533          80   PT TELEKOMUNIKASI INDONESIA
      28573     1942       1211          54   NET Servicos de Comunicao S.A
       1785     1925        681         132   PaeTec Communications, Inc.
       8402     1690        544          16   Corbina telecom
       7545     1689        301          87   TPG Internet Pty Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       7029      3238        3081      Windstream Communications Inc
      18566      2091        1910      Covad Communications 
      28573      1942        1888      NET Servicos de Comunicao S.A
      17974      1945        1865      PT TELEKOMUNIKASI INDONESIA
       1785      1925        1793      PaeTec Communications, Inc.
      10620      1967        1762      TVCABLE BOGOTA 
       8402      1690        1674      Corbina telecom
       7545      1689        1602      TPG Internet Pty Ltd
      22773      1650        1529      Cox Communications, Inc.
       4766      2704        1508      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
      32873   UNALLOCATED  12.46.100.0/23       10912       InterNAP Network Ser
      32873   UNALLOCATED  12.46.102.0/24       10912       InterNAP Network Ser
      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
      128.0.0.0/21         12654     RIPE NCC RIS Project
      128.0.24.0/24        12654     RIPE NCC RIS Project
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      14.192.0.0/22        45464     Room 201, TGU Bldg
      14.192.4.0/22        45464     Room 201, TGU Bldg
      14.192.8.0/22        45464     Room 201, TGU Bldg
      14.192.12.0/22       45464     Room 201, TGU Bldg
      14.192.16.0/22       45464     Room 201, TGU Bldg
      14.192.20.0/22       45464     Room 201, TGU Bldg
      14.192.24.0/22       45464     Room 201, TGU Bldg
      14.192.28.0/22       45464     Room 201, TGU Bldg
      27.112.114.0/24      23884     Proimage Engineering and Comm
      46.96.0.0/22         31733     Link Telecom PJSC
      
      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       /9:13      /10:28      /11:83      /12:236     
      /13:462     /14:832     /15:1508    /16:12291   /17:6333    /18:10725   
      /19:20814   /20:29569   /21:31283   /22:40922   /23:38788   /24:217227  
      /25:1238    /26:1460    /27:866     /28:171     /29:66      /30:18      
      /31:0       /32:23      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2636          3238      Windstream Communications Inc
      18566     2040          2091      Covad Communications 
       6389     1874          3401      bellsouth.net, inc. 
       8402     1389          1690      Corbina telecom
      30036     1378          1439      Mediacom Communications Corp 
      11492     1152          1189      Cable One 
      22773     1082          1650      Cox Communications, Inc.
       6503     1061          1530      AVANTEL, S.A. 
       8452     1040          1275      TEDATA
       1785     1036          1925      PaeTec Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:563       2:712       3:1         4:13        5:62        6:3      
         8:429      12:2014     13:1        14:630      15:12       16:3      
        17:5        20:24       23:185      24:1784     27:1311     31:984    
        32:56       33:2        34:2        36:9        37:582      38:814    
        39:1        40:127      41:3147     42:139      44:3        46:1448   
        47:2        49:415      50:559      52:13       54:12       55:7      
        56:1        57:34       58:976      59:504      60:259      61:1227   
        62:997      63:2040     64:4251     65:2254     66:4460     67:2022   
        68:1155     69:3194     70:982      71:503      72:1829     74:2601   
        75:477      76:330      77:951      78:968      79:493      80:1216   
        81:943      82:653      83:526      84:498      85:1191     86:420    
        87:936      88:331      89:1721     90:298      91:4956     92:573    
        93:1402     94:1595     95:1230     96:371      97:316      98:893    
        99:38      100:17      101:251     103:1200    106:103     107:186    
       108:340     109:1411    110:785     111:925     112:419     113:623    
       114:642     115:822     116:949     117:730     118:899     119:1233   
       120:348     121:694     122:1673    123:1097    124:1400    125:1255   
       128:560     129:198     130:254     131:633     132:289     133:22     
       134:244     135:61      136:215     137:239     138:334     139:185    
       140:491     141:253     142:437     143:372     144:516     145:76     
       146:510     147:292     148:775     149:314     150:163     151:182    
       152:473     153:175     154:17      155:420     156:225     157:381    
       158:190     159:619     160:342     161:269     162:352     163:192    
       164:643     165:413     166:587     167:475     168:912     169:127    
       170:885     171:137     172:5       173:1779    174:615     175:436    
       176:545     177:842     178:1517    180:1264    181:97      182:1020   
       183:232     184:517     185:1       186:2375    187:1133    188:1349   
       189:1852    190:5635    192:6005    193:5539    194:4542    195:3430   
       196:1220    197:161     198:3666    199:4796    200:5897    201:1967   
       202:8667    203:8580    204:4337    205:2542    206:2805    207:2798   
       208:4042    209:3608    210:2786    211:1552    212:2032    213:1925   
       214:874     215:83      216:5102    217:1566    218:555     219:312    
       220:1241    221:574     222:315     223:354    
      
      End of report