[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, 18 Jul 2015 04:11:41 +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 18 Jul, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              552114
          Prefixes after maximum aggregation (per Origin AS):          208717
          Deaggregation factor:                                          2.65
          Unique aggregates announced (without unneeded subnets):      269446
      Total ASes present in the Internet Routing Table:                 50925
          Prefixes per ASN:                                             10.84
      Origin-only ASes present in the Internet Routing Table:           36684
      Origin ASes announcing only one prefix:                           16204
      Transit ASes present in the Internet Routing Table:                6344
      Transit-only ASes present in the Internet Routing Table:            173
      Average AS path length visible in the Internet Routing Table:       4.5
          Max AS path length visible:                                      39
          Max AS path prepend of ASN ( 55644)                              36
      Prefixes from unregistered ASNs in the Routing Table:              1393
          Unregistered ASNs in the Routing Table:                         468
      Number of 32-bit ASNs allocated by the RIRs:                      10255
      Number of 32-bit ASNs visible in the Routing Table:                7897
      Prefixes from 32-bit ASNs in the Routing Table:                   29205
      Number of bogon 32-bit ASNs visible in the Routing Table:            12
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            394
      Number of addresses announced to Internet:                   2768034912
          Equivalent to 164 /8s, 252 /16s and 220 /24s
          Percentage of available address space announced:               74.8
          Percentage of allocated address space announced:               74.8
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               97.5
      Total number of prefixes smaller than registry allocations:      184582
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   136627
          Total APNIC prefixes after maximum aggregation:               39587
          APNIC Deaggregation factor:                                    3.45
      Prefixes being announced from the APNIC address blocks:          143533
          Unique aggregates announced from the APNIC address blocks:    58259
      APNIC Region origin ASes present in the Internet Routing Table:    5064
          APNIC Prefixes per ASN:                                       28.34
      APNIC Region origin ASes announcing only one prefix:               1193
      APNIC Region transit ASes present in the Internet Routing Table:    882
      Average APNIC Region AS path length visible:                        4.5
          Max APNIC Region AS path length visible:                         39
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1550
      Number of APNIC addresses announced to Internet:              751143744
          Equivalent to 44 /8s, 197 /16s and 139 /24s
          Percentage of available APNIC address space announced:         87.8
      
      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:                    179472
          Total ARIN prefixes after maximum aggregation:                87853
          ARIN Deaggregation factor:                                     2.04
      Prefixes being announced from the ARIN address blocks:           182133
          Unique aggregates announced from the ARIN address blocks:     85215
      ARIN Region origin ASes present in the Internet Routing Table:    16609
          ARIN Prefixes per ASN:                                        10.97
      ARIN Region origin ASes announcing only one prefix:                6109
      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:     551
      Number of ARIN addresses announced to Internet:              1083495456
          Equivalent to 64 /8s, 148 /16s and 212 /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, 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:                    133904
          Total RIPE prefixes after maximum aggregation:                66659
          RIPE Deaggregation factor:                                     2.01
      Prefixes being announced from the RIPE address blocks:           140644
          Unique aggregates announced from the RIPE address blocks:     87280
      RIPE Region origin ASes present in the Internet Routing Table:    17964
          RIPE Prefixes per ASN:                                         7.83
      RIPE Region origin ASes announcing only one prefix:                8093
      RIPE Region transit ASes present in the Internet Routing Table:    2978
      Average RIPE Region AS path length visible:                         4.9
          Max RIPE Region AS path length visible:                          35
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    3864
      Number of RIPE addresses announced to Internet:               698388864
          Equivalent to 41 /8s, 160 /16s and 145 /24s
          Percentage of available RIPE address space announced:         101.5
      
      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:                   60452
          Total LACNIC prefixes after maximum aggregation:              11503
          LACNIC Deaggregation factor:                                   5.26
      Prefixes being announced from the LACNIC address blocks:          71351
          Unique aggregates announced from the LACNIC address blocks:   33083
      LACNIC Region origin ASes present in the Internet Routing Table:   2450
          LACNIC Prefixes per ASN:                                      29.12
      LACNIC Region origin ASes announcing only one prefix:               613
      LACNIC Region transit ASes present in the Internet Routing Table:   514
      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:  1800
      Number of LACNIC addresses announced to Internet:             168644224
          Equivalent to 10 /8s, 13 /16s and 78 /24s
          Percentage of available LACNIC address space announced:       100.5
      
      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:                  12213
          Total AfriNIC prefixes after maximum aggregation:              3066
          AfriNIC Deaggregation factor:                                  3.98
      Prefixes being announced from the AfriNIC address blocks:         14059
          Unique aggregates announced from the AfriNIC address blocks:   5243
      AfriNIC Region origin ASes present in the Internet Routing Table:   735
          AfriNIC Prefixes per ASN:                                     19.13
      AfriNIC Region origin ASes announcing only one prefix:              196
      AfriNIC Region transit ASes present in the Internet Routing Table:  158
      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:  132
      Number of AfriNIC addresses announced to Internet:             65865472
          Equivalent to 3 /8s, 237 /16s and 7 /24s
          Percentage of available AfriNIC address space announced:       65.4
      
      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     2949      11305         940   Korea Telecom
      17974     2699        904          78   PT Telekomunikasi Indonesia
       7545     2568        339         137   TPG Telecom Limited
       4538     2084       4190          71   China Education and Research 
       4755     2035        428         236   TATA Communications formerly 
       9829     1803       1359         151   National Internet Backbone
       9808     1586       8717          29   Guangdong Mobile Communicatio
       9583     1516        119         570   Sify Limited
       4808     1464       2245         471   CNCGROUP IP network China169 
       9498     1360        335         107   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     3173       2957         136   Cox Communications Inc.
       6389     2758       3688          51   BellSouth.net Inc.
       3356     2580      10703         512   Level 3 Communications, Inc.
      18566     2063        381         200   MegaPath Corporation
      20115     1868       1843         407   Charter Communications
       6983     1751        850         244   EarthLink, Inc.
       4323     1609       1022         414   tw telecom holdings, inc.
      30036     1572        321         433   Mediacom Communications Corp
        701     1393      11371         677   MCI Communications Services, 
      22561     1382        415         257   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
      34984     2209        305         366   TELLCOM ILETISIM HIZMETLERI A
      20940     2047        805        1480   Akamai International B.V.
       6849     1209        355          21   JSC "Ukrtelecom"
       8551     1104        376          52   Bezeq International-Ltd
      13188     1062         97          76   TOV "Bank-Inform"
      31148     1055         46          24   Freenet Ltd.
       8402      990        544          15   OJSC "Vimpelcom"
      12479      961        933          77   France Telecom Espana SA
       6830      919       2696         471   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     3293        537         189   Telmex Colombia S.A.
      28573     2285       2171         111   NET Serviços de Comunicação S
       8151     1699       3273         474   Uninet S.A. de C.V.
       7303     1630       1008         239   Telecom Argentina S.A.
       6147     1398        374          30   Telefonica del Peru S.A.A.
       6503     1309        421          55   Axtel, S.A.B. de C.V.
      26615     1098       2325          35   Tim Celular S.A.
       7738      999       1882          41   Telemar Norte Leste S.A.
       3816      953        430         163   COLOMBIA TELECOMUNICACIONES S
      11830      892        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      876        280          26   Link Egypt (Link.NET)
       8452      831        958          13   TE-AS
      36903      512        258          99   Office National des Postes et
      36992      441       1229          32   ETISALAT MISR
      37492      312        175          71   Orange Tunisie
      24835      307        146          12   Vodafone Data
       3741      250        857         208   Internet Solutions
      29571      246         21          13   Cote d'Ivoire Telecom
      37054      211         20           7   Data Telecom Service
      36947      187        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     3293        537         189   Telmex Colombia S.A.
      22773     3173       2957         136   Cox Communications Inc.
       4766     2949      11305         940   Korea Telecom
       6389     2758       3688          51   BellSouth.net Inc.
      17974     2699        904          78   PT Telekomunikasi Indonesia
       3356     2580      10703         512   Level 3 Communications, Inc.
       7545     2568        339         137   TPG Telecom Limited
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2285       2171         111   NET Serviços de Comunicação S
      34984     2209        305         366   TELLCOM ILETISIM HIZMETLERI A
      
      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      3173        3037      Cox Communications Inc.
       6389      2758        2707      BellSouth.net Inc.
      17974      2699        2621      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
       7545      2568        2431      TPG Telecom Limited
      28573      2285        2174      NET Serviços de Comunicação S
       3356      2580        2068      Level 3 Communications, Inc.
       4538      2084        2013      China Education and Research 
       4766      2949        2009      Korea Telecom
      18566      2063        1863      MegaPath Corporation
      
      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
      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
      47051   UNALLOCATED  8.36.119.0/24         3356       Level 3 Communicatio
      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
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      5.100.241.0/24       23456     32bit Transition AS
      23.226.112.0/20      62788     >>UNKNOWN<<
      27.100.7.0/24        56096     >>UNKNOWN<<
      31.217.248.0/21      44902     COVAGE NETWORKS SASU
      41.73.1.0/24         37004     >>UNKNOWN<<
      41.73.2.0/24         37004     >>UNKNOWN<<
      41.73.3.0/24         37004     >>UNKNOWN<<
      41.73.4.0/24         37004     >>UNKNOWN<<
      41.73.5.0/24         37004     >>UNKNOWN<<
      41.73.6.0/24         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        /8:16       /9:13      /10:36      /11:95      /12:260     
      /13:505     /14:1002    /15:1730    /16:12896   /17:7279    /18:12347   
      /19:25575   /20:36002   /21:38764   /22:60364   /23:52568   /24:299641  
      /25:1104    /26:1155    /27:708     /28:14      /29:13      /30:9       
      /31:0       /32:18      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      39891     2432          2472      SaudiNet, Saudi Telecom Compa
      22773     2373          3173      Cox Communications Inc.
      18566     2007          2063      MegaPath Corporation
       6389     1629          2758      BellSouth.net Inc.
      34984     1464          2209      TELLCOM ILETISIM HIZMETLERI A
       6983     1398          1751      EarthLink, Inc.
      30036     1394          1572      Mediacom Communications Corp
      10620     1161          3293      Telmex Colombia S.A.
      11492     1110          1193      CABLE ONE, INC.
      22561     1055          1382      CenturyTel Internet Holdings,
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1518      2:666       4:93        5:1889      6:25        8:1377   
        12:1817     13:14       14:1322     15:16       16:2        17:45     
        18:22       20:49       23:1250     24:1752     27:1991     31:1617   
        32:37       33:2        34:4        35:3        36:156      37:1966   
        38:1034     39:5        40:69       41:2726     42:292      43:1370   
        44:28       45:816      46:2304     47:47       49:925      50:787    
        52:12       54:79       55:4        56:6        57:42       58:1334   
        59:720      60:482      61:1752     62:1371     63:1891     64:4367   
        65:2261     66:4022     67:2061     68:1057     69:3250     70:1026   
        71:445      72:1952     74:2628     75:342      76:398      77:1272   
        78:1183     79:808      80:1352     81:1319     82:851      83:686    
        84:795      85:1351     86:435      87:1060     88:533      89:1913   
        90:143      91:6009     92:832      93:2268     94:2081     95:2201   
        96:435      97:348      98:1050     99:53      100:72      101:846    
       103:7810    104:1982    105:64      106:339     107:1029    108:627    
       109:2089    110:1145    111:1447    112:839     113:1109    114:843    
       115:1258    116:1416    117:1068    118:1871    119:1456    120:455    
       121:1137    122:2158    123:1838    124:1518    125:1626    128:628    
       129:393     130:411     131:1211    132:512     133:171     134:407    
       135:94      136:335     137:321     138:988     139:151     140:238    
       141:450     142:660     143:506     144:548     145:123     146:783    
       147:577     148:1146    149:414     150:565     151:706     152:523    
       153:251     154:489     155:881     156:439     157:420     158:356    
       159:1022    160:396     161:659     162:1982    163:439     164:693    
       165:697     166:306     167:828     168:1263    169:181     170:1465   
       171:246     172:275     173:1549    174:720     175:689     176:1443   
       177:3902    178:2165    179:939     180:1937    181:1612    182:1852   
       183:628     184:762     185:3881    186:2855    187:1771    188:2069   
       189:1635    190:7693    191:1037    192:8517    193:5658    194:4217   
       195:3706    196:1998    197:1025    198:5547    199:5495    200:6620   
       201:3253    202:9533    203:9140    204:4713    205:2846    206:3056   
       207:2969    208:3983    209:3917    210:3586    211:1923    212:2558   
       213:2320    214:850     215:72      216:5751    217:1836    218:722    
       219:470     220:1465    221:797     222:466     223:786    
      
      End of report