[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sun, 6 Sep 2015 00:11:31 +1000 (AEST)
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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,
      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   0400 +10GMT Sat 05 Sep, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              557095
          Prefixes after maximum aggregation (per Origin AS):          210220
          Deaggregation factor:                                          2.65
          Unique aggregates announced (without unneeded subnets):      273158
      Total ASes present in the Internet Routing Table:                 51335
          Prefixes per ASN:                                             10.85
      Origin-only ASes present in the Internet Routing Table:           36652
      Origin ASes announcing only one prefix:                           16121
      Transit ASes present in the Internet Routing Table:                6394
      Transit-only ASes present in the Internet Routing Table:            174
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      45
          Max AS path prepend of ASN ( 55644)                              41
      Prefixes from unregistered ASNs in the Routing Table:              1084
          Unregistered ASNs in the Routing Table:                         417
      Number of 32-bit ASNs allocated by the RIRs:                      10864
      Number of 32-bit ASNs visible in the Routing Table:                8289
      Prefixes from 32-bit ASNs in the Routing Table:                   31110
      Number of bogon 32-bit ASNs visible in the Routing Table:            19
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            549
      Number of addresses announced to Internet:                   2791677888
          Equivalent to 166 /8s, 101 /16s and 159 /24s
          Percentage of available address space announced:               75.4
          Percentage of allocated address space announced:               75.4
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               97.6
      Total number of prefixes smaller than registry allocations:      185801
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   137442
          Total APNIC prefixes after maximum aggregation:               39619
          APNIC Deaggregation factor:                                    3.47
      Prefixes being announced from the APNIC address blocks:          144696
          Unique aggregates announced from the APNIC address blocks:    59649
      APNIC Region origin ASes present in the Internet Routing Table:    5082
          APNIC Prefixes per ASN:                                       28.47
      APNIC Region origin ASes announcing only one prefix:               1207
      APNIC Region transit ASes present in the Internet Routing Table:    890
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         38
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1616
      Number of APNIC addresses announced to Internet:              752104064
          Equivalent to 44 /8s, 212 /16s and 50 /24s
          Percentage of available APNIC address space announced:         87.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                             58368-59391, 63488-64098, 131072-135580
      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:                    180364
          Total ARIN prefixes after maximum aggregation:                88403
          ARIN Deaggregation factor:                                     2.04
      Prefixes being announced from the ARIN address blocks:           183248
          Unique aggregates announced from the ARIN address blocks:     86047
      ARIN Region origin ASes present in the Internet Routing Table:    16586
          ARIN Prefixes per ASN:                                        11.05
      ARIN Region origin ASes announcing only one prefix:                6062
      ARIN Region transit ASes present in the Internet Routing Table:    1738
      Average ARIN Region AS path length visible:                         3.8
          Max ARIN Region AS path length visible:                          27
      Number of ARIN region 32-bit ASNs visible in the Routing Table:     647
      Number of ARIN addresses announced to Internet:              1101600192
          Equivalent to 65 /8s, 169 /16s and 21 /24s
          Percentage of available ARIN address space announced:          58.3
      
      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, 62464-63487, 64198-64296, 393216-395164
      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:                    135119
          Total RIPE prefixes after maximum aggregation:                67450
          RIPE Deaggregation factor:                                     2.00
      Prefixes being announced from the RIPE address blocks:           142046
          Unique aggregates announced from the RIPE address blocks:     88128
      RIPE Region origin ASes present in the Internet Routing Table:    17968
          RIPE Prefixes per ASN:                                         7.91
      RIPE Region origin ASes announcing only one prefix:                8043
      RIPE Region transit ASes present in the Internet Routing Table:    2997
      Average RIPE Region AS path length visible:                         4.9
          Max RIPE Region AS path length visible:                          32
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    3989
      Number of RIPE addresses announced to Internet:               699409536
          Equivalent to 41 /8s, 176 /16s and 36 /24s
          Percentage of available RIPE address space announced:         101.7
      
      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, 61952-62463, 196608-204287
      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:                   60887
          Total LACNIC prefixes after maximum aggregation:              11605
          LACNIC Deaggregation factor:                                   5.25
      Prefixes being announced from the LACNIC address blocks:          72568
          Unique aggregates announced from the LACNIC address blocks:   33625
      LACNIC Region origin ASes present in the Internet Routing Table:   2465
          LACNIC Prefixes per ASN:                                      29.44
      LACNIC Region origin ASes announcing only one prefix:               614
      LACNIC Region transit ASes present in the Internet Routing Table:   524
      Average LACNIC Region AS path length visible:                       5.0
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1894
      Number of LACNIC addresses announced to Internet:             168755968
          Equivalent to 10 /8s, 15 /16s and 3 /24s
          Percentage of available LACNIC address space announced:       100.6
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             61440-61951, 64099-64197, 262144-265628 + 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:                  12049
          Total AfriNIC prefixes after maximum aggregation:              3097
          AfriNIC Deaggregation factor:                                  3.89
      Prefixes being announced from the AfriNIC address blocks:         13988
          Unique aggregates announced from the AfriNIC address blocks:   5344
      AfriNIC Region origin ASes present in the Internet Routing Table:   740
          AfriNIC Prefixes per ASN:                                     18.90
      AfriNIC Region origin ASes announcing only one prefix:              195
      AfriNIC Region transit ASes present in the Internet Routing Table:  164
      Average AfriNIC Region AS path length visible:                      4.7
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  143
      Number of AfriNIC addresses announced to Internet:             69319936
          Equivalent to 4 /8s, 33 /16s and 189 /24s
          Percentage of available AfriNIC address space announced:       68.9
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     3000      11134         979   Korea Telecom
       7545     2769        339         134   TPG Telecom Limited
      17974     2709        904          80   PT Telekomunikasi Indonesia
       4755     2041        427         229   TATA Communications formerly 
       4538     1946       4190          71   China Education and Research 
       9829     1875       1374         201   National Internet Backbone
       9808     1585       8639          18   Guangdong Mobile Communicatio
       4808     1529       2254         474   CNCGROUP IP network China169 
       9583     1526        121         570   Sify Limited
       7552     1423       1084           9   Viettel Corporation
      
      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
      22773     3165       2960         139   Cox Communications Inc.
       6389     2696       3688          51   BellSouth.net Inc.
       3356     2535      10709         499   Level 3 Communications, Inc.
      18566     2146        389         257   MegaPath Corporation
      20115     1881       1864         395   Charter Communications
       6983     1739        850         243   EarthLink, Inc.
       4323     1583       1005         404   tw telecom holdings, inc.
      30036     1577        319         451   Mediacom Communications Corp
        701     1404      11401         679   MCI Communications Services, 
      22561     1375        415         258   CenturyTel Internet Holdings,
      
      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
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      20940     2103        830        1528   Akamai International B.V.
      34984     2014        306         377   TELLCOM ILETISIM HIZMETLERI A
       6849     1209        355          21   JSC "Ukrtelecom"
      13188     1070         97          77   TOV "Bank-Inform"
      31148     1049         46          23   Freenet Ltd.
       8402     1010        544          15   OJSC "Vimpelcom"
      12479      990        965          78   France Telecom Espana SA
       8551      984        376          52   Bezeq International-Ltd
       6830      917       2694         468   Liberty Global Operations B.V
      
      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     3349        538         167   Telmex Colombia S.A.
      28573     2286       2169         124   NET Serviços de Comunicação S
       8151     1707       3272         481   Uninet S.A. de C.V.
       7303     1556        932         238   Telecom Argentina S.A.
       6147     1443        374          30   Telefonica del Peru S.A.A.
       6503     1285        445          58   Axtel, S.A.B. de C.V.
      26615     1098       2325          35   Tim Celular S.A.
       7738      997       1882          41   Telemar Norte Leste S.A.
       3816      952        436         163   COLOMBIA TELECOMUNICACIONES S
      11830      916        364          15   Instituto Costarricense de El
      
      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      902       1470          14   TE-AS
      24863      768        280          41   Link Egypt (Link.NET)
      36903      512        258          99   Office National des Postes et
      36992      439       1229          32   ETISALAT MISR
      24835      280        146          12   Vodafone Data
       3741      247        855         203   Internet Solutions
      29571      247         21          13   Cote d'Ivoire Telecom
      37054      220         20           7   Data Telecom Service
      36947      183        807          13   Telecom Algeria
      15706      173         32           6   Sudatel (Sudan Telecom Co. Lt
      
      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
      10620     3349        538         167   Telmex Colombia S.A.
      22773     3165       2960         139   Cox Communications Inc.
       4766     3000      11134         979   Korea Telecom
       7545     2769        339         134   TPG Telecom Limited
      17974     2709        904          80   PT Telekomunikasi Indonesia
       6389     2696       3688          51   BellSouth.net Inc.
       3356     2535      10709         499   Level 3 Communications, Inc.
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2286       2169         124   NET Serviços de Comunicação S
      18566     2146        389         257   MegaPath Corporation
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      22773      3165        3026      Cox Communications Inc.
       6389      2696        2645      BellSouth.net Inc.
       7545      2769        2635      TPG Telecom Limited
      17974      2709        2629      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
      28573      2286        2162      NET Serviços de Comunicação S
       3356      2535        2036      Level 3 Communications, Inc.
       4766      3000        2021      Korea Telecom
      18566      2146        1889      MegaPath Corporation
       4538      1946        1875      China Education and Research 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
      47092   UNALLOCATED  8.8.204.0/24         16410       The Reynolds and Rey
      53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
      46467   UNALLOCATED  8.19.192.0/24        46887       Lightower Fiber Netw
      18985   UNALLOCATED  8.21.68.0/22          3356       Level 3 Communicatio
      46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
      46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser
      27205   UNALLOCATED  8.38.16.0/21          6461       Abovenet Communicati
      15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
      33628   UNALLOCATED  12.0.239.0/24         1239       Sprint
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Prefixes from private and non-routed address space (Global)
      -----------------------------------------------------------
      
      Prefix             Origin AS  Description
      100.100.1.0/24        9730     Bharti Telesonic Ltd
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      23.226.112.0/20      62788     >>UNKNOWN<<
      23.249.144.0/20      40430     colo4jax, LLC
      23.249.144.0/21      40430     colo4jax, LLC
      23.249.152.0/21      40430     colo4jax, LLC
      27.50.8.0/24         55548     Ravibhawan
      27.50.9.0/24         55548     Ravibhawan
      27.50.10.0/23        55548     Ravibhawan
      27.100.7.0/24        56096     >>UNKNOWN<<
      31.170.96.0/23       23456     32bit Transition AS
      31.217.248.0/21      44902     COVAGE NETWORKS SASU
      
      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        /8:17       /9:13      /10:36      /11:96      /12:261     
      /13:500     /14:1005    /15:1739    /16:12892   /17:7224    /18:12408   
      /19:25587   /20:36125   /21:38819   /22:61139   /23:53320   /24:303614  
      /25:855     /26:928     /27:458     /28:14      /29:14      /30:9       
      /31:0       /32:22      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      39891     2432          2472      SaudiNet, Saudi Telecom Compa
      22773     2380          3165      Cox Communications Inc.
      18566     2061          2146      MegaPath Corporation
       6389     1608          2696      BellSouth.net Inc.
      30036     1397          1577      Mediacom Communications Corp
       6983     1386          1739      EarthLink, Inc.
      34984     1334          2014      TELLCOM ILETISIM HIZMETLERI A
      10620     1227          3349      Telmex Colombia S.A.
      11492     1124          1207      CABLE ONE, INC.
      22561     1048          1375      CenturyTel Internet Holdings,
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1574      2:689       4:97        5:1881      6:25        8:1403   
        11:1        12:1810     13:19       14:1414     15:17       16:2      
        17:49       18:22       20:49       23:1276     24:1752     27:2085   
        31:1612     32:37       33:2        34:4        35:3        36:163    
        37:2050     38:1057     39:15       40:71       41:2795     42:341    
        43:1508     44:30       45:1078     46:2370     47:54       49:937    
        50:792      52:22       54:86       55:5        56:28       57:42     
        58:1372     59:716      60:486      61:1757     62:1375     63:1899   
        64:4432     65:2251     66:3986     67:2054     68:1066     69:3230   
        70:1041     71:448      72:1972     74:2587     75:357      76:396    
        77:1357     78:1156     79:810      80:1356     81:1350     82:864    
        83:723      84:769      85:1385     86:450      87:1025     88:537    
        89:1932     90:150      91:5946     92:842      93:2264     94:2078   
        95:2159     96:422      97:348      98:970      99:55      100:72     
       101:847     103:8216    104:2025    105:87      106:347     107:1053   
       108:623     109:2143    110:1192    111:1467    112:823     113:1111   
       114:847     115:1328    116:1455    117:1103    118:1941    119:1472   
       120:451     121:1098    122:2173    123:1848    124:1517    125:1673   
       128:663     129:396     130:432     131:1247    132:500     133:165    
       134:416     135:103     136:340     137:316     138:1205    139:162    
       140:250     141:435     142:679     143:542     144:551     145:126    
       146:791     147:586     148:1253    149:432     150:594     151:796    
       152:531     153:254     154:510     155:871     156:422     157:422    
       158:347     159:1032    160:412     161:676     162:2049    163:452    
       164:693     165:715     166:301     167:868     168:1252    169:194    
       170:1476    171:249     172:253     173:1500    174:716     175:711    
       176:1429    177:3963    178:2187    179:983     180:1950    181:1671   
       182:1821    183:632     184:744     185:4200    186:2990    187:1837   
       188:2093    189:1638    190:7763    191:1150    192:8548    193:5662   
       194:4232    195:3652    196:1969    197:1066    198:5474    199:5527   
       200:6705    201:3304    202:9544    203:9188    204:4632    205:2888   
       206:3112    207:3042    208:3995    209:3919    210:3605    211:1930   
       212:2565    213:2229    214:860     215:74      216:5761    217:1789   
       218:734     219:466     220:1549    221:810     222:475     223:819    
      
      
      End of report