[pacnog] Weekly Routing Table Report

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  • Subject: [pacnog] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 1 Aug 2015 04:12:17 +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 01 Aug, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              553519
          Prefixes after maximum aggregation (per Origin AS):          209389
          Deaggregation factor:                                          2.64
          Unique aggregates announced (without unneeded subnets):      270136
      Total ASes present in the Internet Routing Table:                 51034
          Prefixes per ASN:                                             10.85
      Origin-only ASes present in the Internet Routing Table:           36679
      Origin ASes announcing only one prefix:                           16170
      Transit ASes present in the Internet Routing Table:                6353
      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:                                      39
          Max AS path prepend of ASN ( 12486)                              32
      Prefixes from unregistered ASNs in the Routing Table:              1159
          Unregistered ASNs in the Routing Table:                         426
      Number of 32-bit ASNs allocated by the RIRs:                      10415
      Number of 32-bit ASNs visible in the Routing Table:                8002
      Prefixes from 32-bit ASNs in the Routing Table:                   29602
      Number of bogon 32-bit ASNs visible in the Routing Table:            17
      Special use prefixes present in the Routing Table:                    3
      Prefixes being announced from unallocated address space:            410
      Number of addresses announced to Internet:                   2791199648
          Equivalent to 166 /8s, 94 /16s and 83 /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:      185310
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   136680
          Total APNIC prefixes after maximum aggregation:               39845
          APNIC Deaggregation factor:                                    3.43
      Prefixes being announced from the APNIC address blocks:          143686
          Unique aggregates announced from the APNIC address blocks:    58429
      APNIC Region origin ASes present in the Internet Routing Table:    5074
          APNIC Prefixes per ASN:                                       28.32
      APNIC Region origin ASes announcing only one prefix:               1198
      APNIC Region transit ASes present in the Internet Routing Table:    884
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         39
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1571
      Number of APNIC addresses announced to Internet:              751597504
          Equivalent to 44 /8s, 204 /16s and 119 /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:                    179814
          Total ARIN prefixes after maximum aggregation:                87974
          ARIN Deaggregation factor:                                     2.04
      Prefixes being announced from the ARIN address blocks:           182558
          Unique aggregates announced from the ARIN address blocks:     85393
      ARIN Region origin ASes present in the Internet Routing Table:    16588
          ARIN Prefixes per ASN:                                        11.01
      ARIN Region origin ASes announcing only one prefix:                6080
      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:     578
      Number of ARIN addresses announced to Internet:              1103165216
          Equivalent to 65 /8s, 192 /16s and 247 /24s
          Percentage of available ARIN address space announced:          58.4
      
      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:                    134321
          Total RIPE prefixes after maximum aggregation:                66885
          RIPE Deaggregation factor:                                     2.01
      Prefixes being announced from the RIPE address blocks:           140959
          Unique aggregates announced from the RIPE address blocks:     87426
      RIPE Region origin ASes present in the Internet Routing Table:    17962
          RIPE Prefixes per ASN:                                         7.85
      RIPE Region origin ASes announcing only one prefix:                8070
      RIPE Region transit ASes present in the Internet Routing Table:    2983
      Average RIPE Region AS path length visible:                         4.9
          Max RIPE Region AS path length visible:                          34
      Number of RIPE region 32-bit ASNs visible in the Routing Table:    3894
      Number of RIPE addresses announced to Internet:               698726016
          Equivalent to 41 /8s, 165 /16s and 182 /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:                   60698
          Total LACNIC prefixes after maximum aggregation:              11561
          LACNIC Deaggregation factor:                                   5.25
      Prefixes being announced from the LACNIC address blocks:          71801
          Unique aggregates announced from the LACNIC address blocks:   33250
      LACNIC Region origin ASes present in the Internet Routing Table:   2461
          LACNIC Prefixes per ASN:                                      29.18
      LACNIC Region origin ASes announcing only one prefix:               622
      LACNIC Region transit ASes present in the Internet Routing Table:   511
      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:  1821
      Number of LACNIC addresses announced to Internet:             168845888
          Equivalent to 10 /8s, 16 /16s and 98 /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:                  12217
          Total AfriNIC prefixes after maximum aggregation:              3075
          AfriNIC Deaggregation factor:                                  3.97
      Prefixes being announced from the AfriNIC address blocks:         14105
          Unique aggregates announced from the AfriNIC address blocks:   5270
      AfriNIC Region origin ASes present in the Internet Routing Table:   740
          AfriNIC Prefixes per ASN:                                     19.06
      AfriNIC Region origin ASes announcing only one prefix:              200
      AfriNIC Region transit ASes present in the Internet Routing Table:  164
      Average AfriNIC Region AS path length visible:                      4.6
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  138
      Number of AfriNIC addresses announced to Internet:             68403712
          Equivalent to 4 /8s, 19 /16s and 194 /24s
          Percentage of available AfriNIC address space announced:       68.0
      
      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     2964      11298         949   Korea Telecom
      17974     2702        904          80   PT Telekomunikasi Indonesia
       7545     2587        339         137   TPG Telecom Limited
       4755     2028        426         225   TATA Communications formerly 
       4538     1949       4190          71   China Education and Research 
       9829     1835       1367         179   National Internet Backbone
       9808     1582       8717          29   Guangdong Mobile Communicatio
       9583     1517        119         570   Sify Limited
       4808     1483       2248         469   CNCGROUP IP network China169 
       9498     1363        335         105   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     3180       2961         138   Cox Communications Inc.
       6389     2734       3688          51   BellSouth.net Inc.
       3356     2554      10710         514   Level 3 Communications, Inc.
      18566     2068        381         203   MegaPath Corporation
      20115     1874       1847         409   Charter Communications
       6983     1751        851         245   EarthLink, Inc.
       4323     1608       1022         416   tw telecom holdings, inc.
      30036     1579        321         447   Mediacom Communications Corp
        701     1403      11376         683   MCI Communications Services, 
      22561     1376        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     2055        809        1487   Akamai International B.V.
      34984     2047        306         375   TELLCOM ILETISIM HIZMETLERI A
       6849     1209        355          21   JSC "Ukrtelecom"
       8551     1101        376          52   Bezeq International-Ltd
      13188     1068         97          77   TOV "Bank-Inform"
      31148     1058         46          26   Freenet Ltd.
       8402      971        544          15   OJSC "Vimpelcom"
      12479      971        933          77   France Telecom Espana SA
       6830      916       2696         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     3321        536         183   Telmex Colombia S.A.
      28573     2304       2171         111   NET Serviços de Comunicação S
       8151     1671       3256         483   Uninet S.A. de C.V.
       7303     1635       1009         240   Telecom Argentina S.A.
       6147     1444        374          30   Telefonica del Peru S.A.A.
       6503     1266        421          55   Axtel, S.A.B. de C.V.
      26615     1112       2325          35   Tim Celular S.A.
       7738      995       1882          41   Telemar Norte Leste S.A.
       3816      955        430         163   COLOMBIA TELECOMUNICACIONES S
      11830      924        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      887        280          26   Link Egypt (Link.NET)
       8452      848       1470          14   TE-AS
      36903      512        258          99   Office National des Postes et
      36992      442       1229          32   ETISALAT MISR
      37492      314        175          71   Orange Tunisie
      24835      306        146          12   Vodafone Data
       3741      252        857         208   Internet Solutions
      29571      247         21          13   Cote d'Ivoire Telecom
      37054      189         20           7   Data Telecom Service
      36947      175        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     3321        536         183   Telmex Colombia S.A.
      22773     3180       2961         138   Cox Communications Inc.
       4766     2964      11298         949   Korea Telecom
       6389     2734       3688          51   BellSouth.net Inc.
      17974     2702        904          80   PT Telekomunikasi Indonesia
       7545     2587        339         137   TPG Telecom Limited
       3356     2554      10710         514   Level 3 Communications, Inc.
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2304       2171         111   NET Serviços de Comunicação S
      18566     2068        381         203   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      3180        3042      Cox Communications Inc.
       6389      2734        2683      BellSouth.net Inc.
      17974      2702        2622      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
       7545      2587        2450      TPG Telecom Limited
      28573      2304        2193      NET Serviços de Comunicação S
       3356      2554        2040      Level 3 Communications, Inc.
       4766      2964        2015      Korea Telecom
       4538      1949        1878      China Education and Research 
      18566      2068        1865      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
      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
      100.66.34.0/24       31148     Freenet Ltd.
      100.66.35.0/24       31148     Freenet Ltd.
      100.67.26.0/24       31148     Freenet Ltd.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-dsua
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      14.192.56.0/22       23456     32bit Transition AS
      23.226.112.0/20      62788     >>UNKNOWN<<
      27.54.116.0/22       23456     32bit Transition AS
      27.96.88.0/22        23456     32bit Transition AS
      27.100.7.0/24        56096     >>UNKNOWN<<
      27.100.24.0/22       23456     32bit Transition AS
      27.109.124.0/22      23456     32bit Transition AS
      27.111.72.0/22       23456     32bit Transition AS
      27.112.120.0/22      23456     32bit Transition AS
      27.116.40.0/22       23456     32bit Transition AS
      
      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     
      /13:505     /14:1004    /15:1728    /16:12895   /17:7275    /18:12349   
      /19:25526   /20:36065   /21:38750   /22:60524   /23:53004   /24:300407  
      /25:1136    /26:1157    /27:715     /28:14      /29:14      /30:9       
      /31:0       /32:17      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      39891     2432          2472      SaudiNet, Saudi Telecom Compa
      22773     2374          3180      Cox Communications Inc.
      18566     2010          2068      MegaPath Corporation
       6389     1619          2734      BellSouth.net Inc.
      30036     1400          1579      Mediacom Communications Corp
       6983     1397          1751      EarthLink, Inc.
      34984     1351          2047      TELLCOM ILETISIM HIZMETLERI A
      10620     1194          3321      Telmex Colombia S.A.
      11492     1124          1208      CABLE ONE, INC.
      22561     1049          1376      CenturyTel Internet Holdings,
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1523      2:690       4:96        5:1882      6:25        8:1384   
        12:1811     13:14       14:1321     15:17       16:2        17:42     
        18:22       20:49       23:1259     24:1767     27:1976     31:1571   
        32:37       33:2        34:4        35:3        36:158      37:2014   
        38:1038     39:14       40:69       41:2754     42:297      43:1379   
        44:30       45:891      46:2323     47:51       49:928      50:784    
        52:12       54:86       55:5        56:6        57:43       58:1352   
        59:713      60:479      61:1759     62:1380     63:1905     64:4432   
        65:2260     66:4028     67:2079     68:1062     69:3238     70:1027   
        71:450      72:1965     74:2598     75:356      76:387      77:1286   
        78:1167     79:812      80:1363     81:1319     82:854      83:720    
        84:795      85:1361     86:445      87:1044     88:537      89:1936   
        90:147      91:5997     92:849      93:2278     94:2033     95:2193   
        96:423      97:348      98:1021     99:55      100:78      101:847    
       103:7906    104:2019    105:62      106:340     107:1042    108:626    
       109:2108    110:1150    111:1450    112:819     113:1105    114:839    
       115:1265    116:1461    117:1068    118:1804    119:1460    120:451    
       121:1140    122:2161    123:1842    124:1519    125:1611    128:634    
       129:399     130:416     131:1225    132:518     133:171     134:406    
       135:97      136:333     137:327     138:1058    139:150     140:238    
       141:502     142:663     143:512     144:548     145:125     146:796    
       147:580     148:1230    149:419     150:567     151:643     152:524    
       153:254     154:477     155:885     156:425     157:420     158:356    
       159:1022    160:409     161:665     162:1999    163:441     164:696    
       165:703     166:299     167:843     168:1242    169:187     170:1473   
       171:253     172:272     173:1533    174:721     175:696     176:1428   
       177:3834    178:2172    179:947     180:1935    181:1630    182:1802   
       183:628     184:758     185:3980    186:2890    187:1772    188:2080   
       189:1609    190:7705    191:1107    192:8531    193:5652    194:4223   
       195:3642    196:1999    197:1034    198:5551    199:5508    200:6670   
       201:3295    202:9503    203:9161    204:4691    205:2838    206:3020   
       207:2990    208:3983    209:3925    210:3566    211:1919    212:2541   
       213:2252    214:844     215:71      216:5743    217:1843    218:732    
       219:468     220:1480    221:816     222:471     223:811    
      
      End of report