[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: Sat, 22 Aug 2015 04:11:39 +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   04:00 +10GMT Sat 22 Aug, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              556550
          Prefixes after maximum aggregation (per Origin AS):          210045
          Deaggregation factor:                                          2.65
          Unique aggregates announced (without unneeded subnets):      272089
      Total ASes present in the Internet Routing Table:                 51223
          Prefixes per ASN:                                             10.87
      Origin-only ASes present in the Internet Routing Table:           36684
      Origin ASes announcing only one prefix:                           16128
      Transit ASes present in the Internet Routing Table:                6359
      Transit-only ASes present in the Internet Routing Table:            174
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      45
          Max AS path prepend of ASN ( 55644)                              41
      Prefixes from unregistered ASNs in the Routing Table:              1142
          Unregistered ASNs in the Routing Table:                         420
      Number of 32-bit ASNs allocated by the RIRs:                      10687
      Number of 32-bit ASNs visible in the Routing Table:                8180
      Prefixes from 32-bit ASNs in the Routing Table:                   30489
      Number of bogon 32-bit ASNs visible in the Routing Table:            21
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            416
      Number of addresses announced to Internet:                   2792259968
          Equivalent to 166 /8s, 110 /16s and 129 /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:      185938
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   137303
          Total APNIC prefixes after maximum aggregation:               39854
          APNIC Deaggregation factor:                                    3.45
      Prefixes being announced from the APNIC address blocks:          144551
          Unique aggregates announced from the APNIC address blocks:    59281
      APNIC Region origin ASes present in the Internet Routing Table:    5084
          APNIC Prefixes per ASN:                                       28.43
      APNIC Region origin ASes announcing only one prefix:               1193
      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:                         45
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1608
      Number of APNIC addresses announced to Internet:              752434240
          Equivalent to 44 /8s, 217 /16s and 60 /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:                    180661
          Total ARIN prefixes after maximum aggregation:                88267
          ARIN Deaggregation factor:                                     2.05
      Prefixes being announced from the ARIN address blocks:           183496
          Unique aggregates announced from the ARIN address blocks:     85781
      ARIN Region origin ASes present in the Internet Routing Table:    16583
          ARIN Prefixes per ASN:                                        11.07
      ARIN Region origin ASes announcing only one prefix:                6064
      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:     612
      Number of ARIN addresses announced to Internet:              1102384576
          Equivalent to 65 /8s, 181 /16s and 13 /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:                    134734
          Total RIPE prefixes after maximum aggregation:                67259
          RIPE Deaggregation factor:                                     2.00
      Prefixes being announced from the RIPE address blocks:           141525
          Unique aggregates announced from the RIPE address blocks:     87898
      RIPE Region origin ASes present in the Internet Routing Table:    17969
          RIPE Prefixes per ASN:                                         7.88
      RIPE Region origin ASes announcing only one prefix:                8059
      RIPE Region transit ASes present in the Internet Routing Table:    2972
      Average RIPE Region AS path length visible:                         4.5
          Max RIPE Region AS path length visible:                          28
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    3956
      Number of RIPE addresses announced to Internet:               699011712
          Equivalent to 41 /8s, 170 /16s and 18 /24s
          Percentage of available RIPE address space announced:         101.6
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 56320-58367
                             59392-61439, 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:                   60890
          Total LACNIC prefixes after maximum aggregation:              11553
          LACNIC Deaggregation factor:                                   5.27
      Prefixes being announced from the LACNIC address blocks:          72356
          Unique aggregates announced from the LACNIC address blocks:   33469
      LACNIC Region origin ASes present in the Internet Routing Table:   2462
          LACNIC Prefixes per ASN:                                      29.39
      LACNIC Region origin ASes announcing only one prefix:               614
      LACNIC Region transit ASes present in the Internet Routing Table:   517
      Average LACNIC Region AS path length visible:                       5.1
          Max LACNIC Region AS path length visible:                        28
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1858
      Number of LACNIC addresses announced to Internet:             168859904
          Equivalent to 10 /8s, 16 /16s and 153 /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:                  12280
          Total AfriNIC prefixes after maximum aggregation:              3064
          AfriNIC Deaggregation factor:                                  4.01
      Prefixes being announced from the AfriNIC address blocks:         14206
          Unique aggregates announced from the AfriNIC address blocks:   5305
      AfriNIC Region origin ASes present in the Internet Routing Table:   739
          AfriNIC Prefixes per ASN:                                     19.22
      AfriNIC Region origin ASes announcing only one prefix:              198
      AfriNIC Region transit ASes present in the Internet Routing Table:  162
      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:  146
      Number of AfriNIC addresses announced to Internet:             69149696
          Equivalent to 4 /8s, 31 /16s and 36 /24s
          Percentage of available AfriNIC address space announced:       68.7
      
      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     3013      11302         990   Korea Telecom
       7545     2752        339         134   TPG Telecom Limited
      17974     2707        904          80   PT Telekomunikasi Indonesia
       4755     2036        426         224   TATA Communications formerly 
       4538     1949       4190          71   China Education and Research 
       9829     1866       1372         196   National Internet Backbone
       9808     1583       8635          17   Guangdong Mobile Communicatio
       9583     1528        121         571   Sify Limited
       4808     1525       2253         473   CNCGROUP IP network China169 
       9498     1379        335         110   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
      22773     3161       2960         137   Cox Communications Inc.
       6389     2702       3688          51   BellSouth.net Inc.
       3356     2566      10710         515   Level 3 Communications, Inc.
      18566     2147        390         255   MegaPath Corporation
      20115     1876       1855         397   Charter Communications
       6983     1738        851         243   EarthLink, Inc.
       4323     1589       1005         411   tw telecom holdings, inc.
      30036     1574        319         455   Mediacom Communications Corp
        701     1406      11393         686   MCI Communications Services, 
      22561     1373        415         256   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     2075        817        1507   Akamai International B.V.
      34984     2011        306         379   TELLCOM ILETISIM HIZMETLERI A
       6849     1207        355          21   JSC "Ukrtelecom"
      13188     1068         97          77   TOV "Bank-Inform"
      31148     1055         46          24   Freenet Ltd.
       8551      997        376          52   Bezeq International-Ltd
       8402      993        544          15   OJSC "Vimpelcom"
      12479      981        933          77   France Telecom Espana SA
       6830      916       2680         469   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     3337        537         159   Telmex Colombia S.A.
      28573     2283       2170         126   NET Serviços de Comunicação S
       8151     1684       3263         477   Uninet S.A. de C.V.
       7303     1566        931         238   Telecom Argentina S.A.
       6147     1444        374          30   Telefonica del Peru S.A.A.
       6503     1253        421          55   Axtel, S.A.B. de C.V.
      26615     1104       2325          35   Tim Celular S.A.
       7738      996       1882          41   Telemar Norte Leste S.A.
       3816      953        436         163   COLOMBIA TELECOMUNICACIONES S
      11830      920        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
      24863      909        280          26   Link Egypt (Link.NET)
       8452      873       1470          14   TE-AS
      36903      512        258          99   Office National des Postes et
      36992      442       1229          32   ETISALAT MISR
      37492      315        191          72   Orange Tunisie
      24835      308        146          12   Vodafone Data
       3741      252        857         208   Internet Solutions
      29571      247         21          13   Cote d'Ivoire Telecom
      37054      210         20           7   Data Telecom Service
      36947      185        807          13   Telecom Algeria
      
      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     3337        537         159   Telmex Colombia S.A.
      22773     3161       2960         137   Cox Communications Inc.
       4766     3013      11302         990   Korea Telecom
       7545     2752        339         134   TPG Telecom Limited
      17974     2707        904          80   PT Telekomunikasi Indonesia
       6389     2702       3688          51   BellSouth.net Inc.
       3356     2566      10710         515   Level 3 Communications, Inc.
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2283       2170         126   NET Serviços de Comunicação S
      18566     2147        390         255   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      3161        3024      Cox Communications Inc.
       6389      2702        2651      BellSouth.net Inc.
      17974      2707        2627      PT Telekomunikasi Indonesia
       7545      2752        2618      TPG Telecom Limited
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
      28573      2283        2157      NET Serviços de Comunicação S
       3356      2566        2051      Level 3 Communications, Inc.
       4766      3013        2023      Korea Telecom
      18566      2147        1892      MegaPath Corporation
       4538      1949        1878      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
      27.100.7.0/24        56096     >>UNKNOWN<<
      31.170.96.0/23       23456     32bit Transition AS
      31.217.248.0/21      44902     COVAGE NETWORKS SASU
      36.50.0.0/16         23456     32bit Transition AS
      41.73.1.0/24         37004     >>UNKNOWN<<
      41.73.2.0/24         37004     >>UNKNOWN<<
      
      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      /12:263     
      /13:504     /14:1003    /15:1732    /16:12892   /17:7238    /18:12394   
      /19:25483   /20:35986   /21:38793   /22:61151   /23:53159   /24:302722  
      /25:1134    /26:1160    /27:715     /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     2378          3161      Cox Communications Inc.
      18566     2062          2147      MegaPath Corporation
       6389     1608          2702      BellSouth.net Inc.
      30036     1395          1574      Mediacom Communications Corp
       6983     1385          1738      EarthLink, Inc.
      34984     1331          2011      TELLCOM ILETISIM HIZMETLERI A
      10620     1210          3337      Telmex Colombia S.A.
      11492     1112          1195      CABLE ONE, INC.
      22561     1046          1373      CenturyTel Internet Holdings,
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1540      2:690       4:97        5:1870      6:25        8:1393   
        12:1805     13:14       14:1405     15:16       16:2        17:43     
        18:22       20:49       23:1315     24:1739     27:2041     31:1583   
        32:37       33:2        34:4        35:3        36:164      37:2017   
        38:1037     39:14       40:70       41:2750     42:310      43:1463   
        44:30       45:1031     46:2381     47:53       49:932      50:787    
        52:19       54:84       55:7        56:27       57:42       58:1355   
        59:720      60:481      61:1755     62:1368     63:1900     64:4434   
        65:2254     66:4024     67:2062     68:1066     69:3221     70:1034   
        71:449      72:1973     74:2596     75:352      76:393      77:1309   
        78:1153     79:813      80:1345     81:1346     82:870      83:720    
        84:781      85:1389     86:451      87:1036     88:539      89:1946   
        90:149      91:5941     92:842      93:2275     94:2082     95:2192   
        96:414      97:347      98:980      99:55      100:75      101:845    
       103:8086    104:2020    105:72      106:348     107:1064    108:621    
       109:2131    110:1198    111:1462    112:817     113:1103    114:856    
       115:1298    116:1468    117:1080    118:1894    119:1467    120:457    
       121:1089    122:2163    123:1841    124:1528    125:1623    128:666    
       129:395     130:431     131:1250    132:522     133:171     134:409    
       135:103     136:338     137:312     138:1120    139:144     140:243    
       141:491     142:669     143:545     144:546     145:126     146:800    
       147:587     148:1260    149:429     150:553     151:801     152:528    
       153:253     154:496     155:874     156:423     157:424     158:344    
       159:1031    160:411     161:680     162:2026    163:457     164:693    
       165:708     166:299     167:856     168:1253    169:190     170:1474   
       171:255     172:248     173:1501    174:719     175:699     176:1428   
       177:3934    178:2183    179:991     180:1939    181:1666    182:1798   
       183:636     184:746     185:4109    186:2917    187:1811    188:2071   
       189:1607    190:7829    191:1152    192:8640    193:5661    194:4228   
       195:3650    196:1984    197:1051    198:5630    199:5508    200:6688   
       201:3302    202:9518    203:9158    204:4681    205:2881    206:3022   
       207:2984    208:4011    209:3920    210:3599    211:1919    212:2536   
       213:2307    214:861     215:75      216:5730    217:1825    218:733    
       219:466     220:1553    221:810     222:474     223:816    
      
      End of report