[pacnog] 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: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 8 Sep 2012 04:51:56 +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 08 Sep, 2012
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              425836
          Prefixes after maximum aggregation:                          178207
          Deaggregation factor:                                          2.39
          Unique aggregates announced to Internet:                     207327
      Total ASes present in the Internet Routing Table:                 42041
          Prefixes per ASN:                                             10.13
      Origin-only ASes present in the Internet Routing Table:           33589
      Origin ASes announcing only one prefix:                           15753
      Transit ASes present in the Internet Routing Table:                5599
      Transit-only ASes present in the Internet Routing Table:            135
      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:               715
          Unregistered ASNs in the Routing Table:                         248
      Number of 32-bit ASNs allocated by the RIRs:                       3235
      Number of 32-bit ASNs visible in the Routing Table:                2853
      Prefixes from 32-bit ASNs in the Routing Table:                    7496
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            184
      Number of addresses announced to Internet:                   2593144332
          Equivalent to 154 /8s, 144 /16s and 62 /24s
          Percentage of available address space announced:               70.0
          Percentage of allocated address space announced:               70.0
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               93.5
      Total number of prefixes smaller than registry allocations:      150194
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   102226
          Total APNIC prefixes after maximum aggregation:               32992
          APNIC Deaggregation factor:                                    3.10
      Prefixes being announced from the APNIC address blocks:          102840
          Unique aggregates announced from the APNIC address blocks:    42607
      APNIC Region origin ASes present in the Internet Routing Table:    4755
          APNIC Prefixes per ASN:                                       21.63
      APNIC Region origin ASes announcing only one prefix:               1245
      APNIC Region transit ASes present in the Internet Routing Table:    763
      Average APNIC Region AS path length visible:                        4.6
          Max APNIC Region AS path length visible:                         27
      Number of APNIC region 32-bit ASNs visible in the Routing Table:    297
      Number of APNIC addresses announced to Internet:              707762048
          Equivalent to 42 /8s, 47 /16s and 151 /24s
          Percentage of available APNIC address space announced:         82.7
      
      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:                    154235
          Total ARIN prefixes after maximum aggregation:                77982
          ARIN Deaggregation factor:                                     1.98
      Prefixes being announced from the ARIN address blocks:           155222
          Unique aggregates announced from the ARIN address blocks:     69088
      ARIN Region origin ASes present in the Internet Routing Table:    15222
          ARIN Prefixes per ASN:                                        10.20
      ARIN Region origin ASes announcing only one prefix:                5736
      ARIN Region transit ASes present in the Internet Routing Table:    1595
      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:              1083362176
          Equivalent to 64 /8s, 146 /16s and 203 /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:                    108148
          Total RIPE prefixes after maximum aggregation:                56530
          RIPE Deaggregation factor:                                     1.91
      Prefixes being announced from the RIPE address blocks:           110545
          Unique aggregates announced from the RIPE address blocks:     69820
      RIPE Region origin ASes present in the Internet Routing Table:    16841
          RIPE Prefixes per ASN:                                         6.56
      RIPE Region origin ASes announcing only one prefix:                8164
      RIPE Region transit ASes present in the Internet Routing Table:    2710
      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:    1860
      Number of RIPE addresses announced to Internet:               644425956
          Equivalent to 38 /8s, 105 /16s and 40 /24s
          Percentage of available RIPE address space announced:          93.7
      
      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:                   43718
          Total LACNIC prefixes after maximum aggregation:               8443
          LACNIC Deaggregation factor:                                   5.18
      Prefixes being announced from the LACNIC address blocks:          46692
          Unique aggregates announced from the LACNIC address blocks:   22215
      LACNIC Region origin ASes present in the Internet Routing Table:   1642
          LACNIC Prefixes per ASN:                                      28.44
      LACNIC Region origin ASes announcing only one prefix:               435
      LACNIC Region transit ASes present in the Internet Routing Table:   320
      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:   673
      Number of LACNIC addresses announced to Internet:             115436584
          Equivalent to 6 /8s, 225 /16s and 108 /24s
          Percentage of available LACNIC address space announced:        68.8
      
      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:                   9877
          Total AfriNIC prefixes after maximum aggregation:              2203
          AfriNIC Deaggregation factor:                                  4.48
      Prefixes being announced from the AfriNIC address blocks:         10353
          Unique aggregates announced from the AfriNIC address blocks:   3445
      AfriNIC Region origin ASes present in the Internet Routing Table:   560
          AfriNIC Prefixes per ASN:                                     18.49
      AfriNIC Region origin ASes announcing only one prefix:              173
      AfriNIC Region transit ASes present in the Internet Routing Table:  125
      Average AfriNIC Region AS path length visible:                      4.7
          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:             41688576
          Equivalent to 2 /8s, 124 /16s and 30 /24s
          Percentage of available AfriNIC address space announced:       41.4
      
      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     2950      11125        1418   Korea Telecom (KIX)
      17974     2342        702          54   PT TELEKOMUNIKASI INDONESIA
       7545     1752        301          86   TPG Internet Pty Ltd
       4755     1618        387         162   TATA Communications formerly 
       9829     1322       1101          31   BSNL National Internet Backbo
       9583     1179         87         508   Sify Limited
       4808     1121       2049         319   CNCGROUP IP network: China169
       7552     1107       1062          11   Vietel Corporation
      24560     1040        386         160   Bharti Airtel Ltd., Telemedia
       9498     1002        310          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     3456        990         154   Windstream Communications Inc
       6389     3334       3736         184   bellsouth.net, inc. 
      18566     2085        382         180   Covad Communications 
       1785     1912        678         127   PaeTec Communications, Inc.
      22773     1888       2931         129   Cox Communications, Inc.
      20115     1658       1578         614   Charter Communications 
       4323     1580       1026         385   Time Warner Telecom
      30036     1417        279         746   Mediacom Communications Corp 
       7018     1260      10316         831   AT&T WorldNet Services
      11492     1197        217         343   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     1661        544          16   Corbina telecom
       2118     1401         97          14   EUnet/RELCOM Autonomous Syste
      15557     1221       2247          55   LDCOM NETWORKS
      12479      830        765          82   Uni2 Autonomous System
      34984      756        205         179   BILISIM TELEKOM
       6830      723       2313         447   UPC Distribution Services
      31148      713         37           9   FreeNet ISP
      20940      711        227         549   Akamai Technologies European 
      13188      702        100           9   Educational Network
      58113      616         69         362   LIR DATACENTER TELECOM SRL
      
      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     2141       1248          54   NET Servicos de Comunicao S.A
      10620     2132        362         221   TVCABLE BOGOTA 
       8151     1570       3032         343   UniNet S.A. de C.V. 
       7303     1564       1034         199   Telecom Argentina Stet-France
       6503     1535        451          69   AVANTEL, S.A. 
       6458      792         81          15   GUATEL 
      27947      721         74          94   Telconet S.A
       3816      638        262          95   Empresa Nacional de Telecomun
      11172      593         85          69   Servicios Alestra S.A de C.V 
      14420      580         83         105   CORPORACION NACIONAL DE TELEC
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      878        275          36   LINKdotNET AS number
       8452      834        958          13   TEDATA
      36998      776         48           3   MOBITEL
       6713      517        650          19   Itissalat Al-MAGHRIB
      24835      269         80           8   RAYA Telecom - Egypt
       3741      262        904         223   The Internet Solution 
      33776      231         13          11   Starcomms Nigeria Limited
      12258      194         28          66   Vodacom Internet Company 
      15706      193         32           6   Sudatel Internet Exchange Aut
      29975      191        667          21   Vodacom
      
      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     3456        990         154   Windstream Communications Inc
       6389     3334       3736         184   bellsouth.net, inc. 
       4766     2950      11125        1418   Korea Telecom (KIX)
      17974     2342        702          54   PT TELEKOMUNIKASI INDONESIA
      28573     2141       1248          54   NET Servicos de Comunicao S.A
      10620     2132        362         221   TVCABLE BOGOTA 
      18566     2085        382         180   Covad Communications 
       1785     1912        678         127   PaeTec Communications, Inc.
      22773     1888       2931         129   Cox Communications, Inc.
       7545     1752        301          86   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
       6389      3334        3150      bellsouth.net, inc. 
      17974      2342        2288      PT TELEKOMUNIKASI INDONESIA
      28573      2141        2087      NET Servicos de Comunicao S.A
      10620      2132        1911      TVCABLE BOGOTA 
      18566      2085        1905      Covad Communications 
       1785      1912        1785      PaeTec Communications, Inc.
      22773      1888        1759      Cox Communications, Inc.
       7545      1752        1666      TPG Internet Pty Ltd
       8402      1661        1645      Corbina telecom
       4766      2950        1532      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
      59414   UNALLOCATED  5.102.144.0/21       15576       Nextra backbone in D
      59395   UNALLOCATED  5.133.16.0/21        12658       Dexterity Networks L
      59407   UNALLOCATED  5.134.16.0/21        51167       Giga-Hosting GmbH
      59521   UNALLOCATED  5.134.192.0/21       29518       Labs2
      59441   UNALLOCATED  5.144.128.0/21       50810       Mobin Net Communicat
      59581   UNALLOCATED  5.149.8.0/21         25577       C4L main AS
      59457   UNALLOCATED  5.149.64.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.65.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.66.0/24        35567       DASTO semtel d.o.o.
      59457   UNALLOCATED  5.149.67.0/24        35567       DASTO semtel d.o.o.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.206.240.0/20       57332     TOM-NET s.c. Dariusz Koper, R
      5.226.64.0/18        12741     INTERNETIA Commercial Autonom
      5.226.136.0/21       25369     4u servers
      5.228.0.0/16         42610     RIPE Network Coordination Cen
      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
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:14      /10:29      /11:84      /12:237     
      /13:475     /14:841     /15:1541    /16:12381   /17:6415    /18:10842   
      /19:21044   /20:30202   /21:32106   /22:42325   /23:39848   /24:223276  
      /25:1364    /26:1592    /27:921     /28:175     /29:64      /30:18      
      /31:0       /32:24      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       7029     2812          3456      Windstream Communications Inc
      18566     2035          2085      Covad Communications 
       6389     1849          3334      bellsouth.net, inc. 
       8402     1384          1661      Corbina telecom
      30036     1350          1417      Mediacom Communications Corp 
      22773     1231          1888      Cox Communications, Inc.
      15557     1165          1221      LDCOM NETWORKS
      11492     1160          1197      Cable One 
       6503     1053          1535      AVANTEL, S.A. 
       1785     1013          1912      PaeTec Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:581       2:783       3:1         4:13        5:428       6:3      
         8:455      12:2001     13:1        14:663      15:11       16:3      
        17:6        20:27       23:203      24:1824     27:1317     31:1015   
        32:56       33:2        34:2        36:7        37:759      38:828    
        39:2        40:132      41:3133     42:158      44:3        46:1527   
        47:2        49:468      50:592      52:13       54:17       55:6      
        56:1        57:31       58:989      59:528      60:240      61:1295   
        62:1002     63:2003     64:4262     65:2241     66:4494     67:2051   
        68:1169     69:3194     70:985      71:522      72:1870     74:2583   
        75:495      76:323      77:951      78:941      79:488      80:1265   
        81:956      82:634      83:531      84:626      85:1157     86:806    
        87:924      88:350      89:1789     90:303      91:5183     92:578    
        93:1494     94:1635     95:1271     96:416      97:318      98:893    
        99:39      100:23      101:260     103:1493    105:512     106:118    
       107:198     108:444     109:1921    110:794     111:957     112:446    
       113:682     114:655     115:856     116:825     117:733     118:946    
       119:1261    120:299     121:691     122:1646    123:1170    124:1352   
       125:1270    128:549     129:186     130:282     131:631     132:302    
       133:22      134:251     135:61      136:217     137:238     138:342    
       139:187     140:502     141:280     142:486     143:366     144:487    
       145:80      146:514     147:268     148:758     149:323     150:157    
       151:177     152:451     153:182     154:20      155:420     156:222    
       157:379     158:184     159:642     160:343     161:414     162:408    
       163:190     164:693     165:416     166:560     167:544     168:959    
       169:125     170:905     171:149     172:6       173:1721    174:628    
       175:445     176:575     177:1102    178:1659    180:1344    181:134    
       182:1043    183:230     184:597     186:2195    187:1244    188:1529   
       189:1586    190:6094    192:6024    193:5720    194:4560    195:3447   
       196:1215    197:220     198:3776    199:4975    200:5994    201:1969   
       202:8712    203:8698    204:4419    205:2542    206:2752    207:2875   
       208:4057    209:3668    210:2833    211:1536    212:2025    213:1809   
       214:893     215:88      216:5140    217:1553    218:548     219:316    
       220:1239    221:532     222:339     223:378    
      
      End of report