[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, 28 Jul 2012 05:10:37 +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 28 Jul, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              419174
          Prefixes after maximum aggregation:                          176627
          Deaggregation factor:                                          2.37
          Unique aggregates announced to Internet:                     204455
      Total ASes present in the Internet Routing Table:                 41639
          Prefixes per ASN:                                             10.07
      Origin-only ASes present in the Internet Routing Table:           33374
      Origin ASes announcing only one prefix:                           15702
      Transit ASes present in the Internet Routing Table:                5601
      Transit-only ASes present in the Internet Routing Table:            136
      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:               382
          Unregistered ASNs in the Routing Table:                         146
      Number of 32-bit ASNs allocated by the RIRs:                       3041
      Number of 32-bit ASNs visible in the Routing Table:                2664
      Prefixes from 32-bit ASNs in the Routing Table:                    6906
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            170
      Number of addresses announced to Internet:                   2582312876
          Equivalent to 153 /8s, 234 /16s and 247 /24s
          Percentage of available address space announced:               69.7
          Percentage of allocated address space announced:               69.7
          Percentage of available address space allocated:               99.9
          Percentage of address space in use by end-sites:               93.1
      Total number of prefixes smaller than registry allocations:      146088
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   102575
          Total APNIC prefixes after maximum aggregation:               32799
          APNIC Deaggregation factor:                                    3.13
      Prefixes being announced from the APNIC address blocks:          103070
          Unique aggregates announced from the APNIC address blocks:    42296
      APNIC Region origin ASes present in the Internet Routing Table:    4721
          APNIC Prefixes per ASN:                                       21.83
      APNIC Region origin ASes announcing only one prefix:               1238
      APNIC Region transit ASes present in the Internet Routing Table:    754
      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:    259
      Number of APNIC addresses announced to Internet:              705852800
          Equivalent to 42 /8s, 18 /16s and 117 /24s
          Percentage of available APNIC address space announced:         82.5
      
      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:                    153020
          Total ARIN prefixes after maximum aggregation:                77710
          ARIN Deaggregation factor:                                     1.97
      Prefixes being announced from the ARIN address blocks:           154089
          Unique aggregates announced from the ARIN address blocks:     68810
      ARIN Region origin ASes present in the Internet Routing Table:    15208
          ARIN Prefixes per ASN:                                        10.13
      ARIN Region origin ASes announcing only one prefix:                5776
      ARIN Region transit ASes present in the Internet Routing Table:    1608
      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:              1083040640
          Equivalent to 64 /8s, 141 /16s and 227 /24s
          Percentage of available ARIN address space announced:          57.3
      
      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:                    104106
          Total RIPE prefixes after maximum aggregation:                55508
          RIPE Deaggregation factor:                                     1.88
      Prefixes being announced from the RIPE address blocks:           106284
          Unique aggregates announced from the RIPE address blocks:     67918
      RIPE Region origin ASes present in the Internet Routing Table:    16711
          RIPE Prefixes per ASN:                                         6.36
      RIPE Region origin ASes announcing only one prefix:                8098
      RIPE Region transit ASes present in the Internet Routing Table:    2716
      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:    1746
      Number of RIPE addresses announced to Internet:               637676548
          Equivalent to 38 /8s, 2 /16s and 44 /24s
          Percentage of available RIPE address space announced:          92.7
      
      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:                   42912
          Total LACNIC prefixes after maximum aggregation:               8381
          LACNIC Deaggregation factor:                                   5.12
      Prefixes being announced from the LACNIC address blocks:          45634
          Unique aggregates announced from the LACNIC address blocks:   21883
      LACNIC Region origin ASes present in the Internet Routing Table:   1616
          LACNIC Prefixes per ASN:                                      28.24
      LACNIC Region origin ASes announcing only one prefix:               424
      LACNIC Region transit ASes present in the Internet Routing Table:   313
      Average LACNIC Region AS path length visible:                       4.8
          Max LACNIC Region AS path length visible:                        25
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:   637
      Number of LACNIC addresses announced to Internet:             113013416
          Equivalent to 6 /8s, 188 /16s and 114 /24s
          Percentage of available LACNIC address space announced:        67.4
      
      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:                   9495
          Total AfriNIC prefixes after maximum aggregation:              2175
          AfriNIC Deaggregation factor:                                  4.37
      Prefixes being announced from the AfriNIC address blocks:          9927
          Unique aggregates announced from the AfriNIC address blocks:   3399
      AfriNIC Region origin ASes present in the Internet Routing Table:   550
          AfriNIC Prefixes per ASN:                                     18.05
      AfriNIC Region origin ASes announcing only one prefix:              166
      AfriNIC Region transit ASes present in the Internet Routing Table:  120
      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:    6
      Number of AfriNIC addresses announced to Internet:             41353984
          Equivalent to 2 /8s, 119 /16s and 3 /24s
          Percentage of available AfriNIC address space announced:       41.1
      
      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     2759      11123        1252   Korea Telecom (KIX)
      17974     2274        569          90   PT TELEKOMUNIKASI INDONESIA
       7545     1703        301          86   TPG Internet Pty Ltd
       4755     1614        388         163   TATA Communications formerly 
       9829     1306       1085          26   BSNL National Internet Backbo
       9583     1160         87         508   Sify Limited
       7552     1128       1062          11   Vietel Corporation
       4808     1117       2052         317   CNCGROUP IP network: China169
      24560     1038        385         165   Bharti Airtel Ltd., Telemedia
       9498      991        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     3412        986         155   Windstream Communications Inc
       6389     3383       3773         186   bellsouth.net, inc. 
      18566     2088        382         181   Covad Communications 
       1785     1939        681         130   PaeTec Communications, Inc.
      22773     1698       2914         125   Cox Communications, Inc.
      20115     1647       1570         611   Charter Communications 
       4323     1575       1028         383   Time Warner Telecom
      30036     1404        274         788   Mediacom Communications Corp 
       7018     1255      10040         822   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     1595        544          16   Corbina telecom
      12479      808        749          92   Uni2 Autonomous System
      34984      735        189         177   BILISIM TELEKOM
       6830      715       2310         446   UPC Distribution Services
      20940      707        228         554   Akamai Technologies European 
      31148      706         37           9   FreeNet ISP
       2118      632         97          14   EUnet/RELCOM Autonomous Syste
      13188      613        100           9   Educational Network
       8551      579        364          61   Bezeq International
       3320      502       8443         411   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     2044       1226          58   NET Servicos de Comunicao S.A
      10620     2030        349         213   TVCABLE BOGOTA 
       6503     1527        419          67   AVANTEL, S.A. 
       8151     1470       3069         350   UniNet S.A. de C.V. 
       7303     1458        934         196   Telecom Argentina Stet-France
       6458      882         81          15   GUATEL 
      27947      719         74          95   Telconet S.A
      11172      644         91          75   Servicios Alestra S.A de C.V 
       3816      597        250          84   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     1030        958          13   TEDATA
      24863      859        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      170        680          87   MTN Network Solutions
      15706      160         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
       7029     3412        986         155   Windstream Communications Inc
       6389     3383       3773         186   bellsouth.net, inc. 
       4766     2759      11123        1252   Korea Telecom (KIX)
      17974     2274        569          90   PT TELEKOMUNIKASI INDONESIA
      18566     2088        382         181   Covad Communications 
      28573     2044       1226          58   NET Servicos de Comunicao S.A
      10620     2030        349         213   TVCABLE BOGOTA 
       1785     1939        681         130   PaeTec Communications, Inc.
       7545     1703        301          86   TPG Internet Pty Ltd
      22773     1698       2914         125   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      3383        3197      bellsouth.net, inc. 
      17974      2274        2184      PT TELEKOMUNIKASI INDONESIA
      28573      2044        1986      NET Servicos de Comunicao S.A
      18566      2088        1907      Covad Communications 
      10620      2030        1817      TVCABLE BOGOTA 
       1785      1939        1809      PaeTec Communications, Inc.
       7545      1703        1617      TPG Internet Pty Ltd
       8402      1595        1579      Corbina telecom
      22773      1698        1573      Cox Communications, Inc.
       4766      2759        1507      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  5.149.64.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.64.0/19        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.
      59473   UNALLOCATED  5.149.152.0/22       44843       AmsterdamTelecom Ltd
      59473   UNALLOCATED  5.149.156.0/23       44843       AmsterdamTelecom Ltd
      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
      
      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
      5.10.8.0/21          57154     Stadtwerke Konstanz GmbH
      5.10.40.0/21         12466     BICOS.NET Autonomous System
      5.10.48.0/20         29562     Kabel Baden-Wuerttemberg GmbH
      5.158.96.0/19        38934     Pride Limited
      5.158.200.0/21       23456     32-bit ASN transition
      5.158.208.0/21        2914     Verio, Inc. 
      5.159.40.0/21        23456     32-bit ASN transition
      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
      
      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     
      /13:475     /14:848     /15:1529    /16:12304   /17:6362    /18:10763   
      /19:20931   /20:29897   /21:31764   /22:41424   /23:39675   /24:219022  
      /25:1215    /26:1472    /27:850     /28:162     /29:60      /30:18      
      /31:0       /32:24      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2773          3412      Windstream Communications Inc
      18566     2038          2088      Covad Communications 
       6389     1864          3383      bellsouth.net, inc. 
      30036     1339          1404      Mediacom Communications Corp 
       8402     1292          1595      Corbina telecom
      11492     1155          1192      Cable One 
      22773     1122          1698      Cox Communications, Inc.
       6503     1051          1527      AVANTEL, S.A. 
       1785     1048          1939      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)
      ----------------------------------------------
      
         1:564       2:688       3:1         4:13        5:239       6:3      
         8:440      12:2008     13:1        14:635      15:11       16:3      
        17:6        20:24       23:202      24:1796     27:1320     31:1018   
        32:56       33:2        34:2        36:8        37:672      38:824    
        39:1        40:134      41:2848     42:158      44:3        46:1551   
        47:2        49:429      50:569      52:13       54:14       55:8      
        56:1        57:31       58:983      59:532      60:237      61:1359   
        62:928      63:2029     64:4241     65:2241     66:4513     67:2021   
        68:1155     69:3201     70:986      71:520      72:1870     74:2604   
        75:489      76:335      77:938      78:938      79:492      80:1233   
        81:948      82:642      83:539      84:511      85:1161     86:451    
        87:931      88:346      89:1764     90:303      91:5063     92:585    
        93:1307     94:1564     95:1236     96:401      97:318      98:887    
        99:39      100:21      101:258     103:1324    105:464     106:115    
       107:189     108:404     109:1464    110:793     111:943     112:431    
       113:681     114:667     115:925     116:924     117:737     118:922    
       119:1236    120:357     121:806     122:1667    123:1156    124:1380   
       125:1259    128:556     129:185     130:266     131:638     132:298    
       133:22      134:245     135:61      136:215     137:240     138:342    
       139:184     140:495     141:254     142:437     143:370     144:496    
       145:77      146:509     147:288     148:767     149:319     150:153    
       151:186     152:473     153:176     154:19      155:402     156:222    
       157:382     158:190     159:626     160:344     161:280     162:383    
       163:189     164:674     165:412     166:585     167:535     168:956    
       169:127     170:899     171:147     172:5       173:1736    174:605    
       175:435     176:574     177:998     178:1652    180:1327    181:113    
       182:1044    183:207     184:559     186:2044    187:1094    188:1379   
       189:1584    190:6148    192:6021    193:5431    194:4192    195:3207   
       196:1207    197:184     198:3682    199:4936    200:5994    201:1980   
       202:8727    203:8671    204:4392    205:2531    206:2794    207:2831   
       208:4052    209:3632    210:2771    211:1565    212:2042    213:1801   
       214:875     215:86      216:5073    217:1565    218:562     219:338    
       220:1233    221:572     222:335     223:350    
      
      End of report