[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, 19 Sep 2015 04:11:47 +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 19 Sep, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              563409
          Prefixes after maximum aggregation (per Origin AS):          210444
          Deaggregation factor:                                          2.68
          Unique aggregates announced (without unneeded subnets):      274280
      Total ASes present in the Internet Routing Table:                 51461
          Prefixes per ASN:                                             10.95
      Origin-only ASes present in the Internet Routing Table:           36646
      Origin ASes announcing only one prefix:                           16076
      Transit ASes present in the Internet Routing Table:                6399
      Transit-only ASes present in the Internet Routing Table:            166
      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:              1072
          Unregistered ASNs in the Routing Table:                         410
      Number of 32-bit ASNs allocated by the RIRs:                      11043
      Number of 32-bit ASNs visible in the Routing Table:                8416
      Prefixes from 32-bit ASNs in the Routing Table:                   31590
      Number of bogon 32-bit ASNs visible in the Routing Table:            11
      Special use prefixes present in the Routing Table:                    1
      Prefixes being announced from unallocated address space:            427
      Number of addresses announced to Internet:                   2809006784
          Equivalent to 167 /8s, 110 /16s and 10 /24s
          Percentage of available address space announced:               75.9
          Percentage of allocated address space announced:               75.9
          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:      186129
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   143038
          Total APNIC prefixes after maximum aggregation:               39757
          APNIC Deaggregation factor:                                    3.60
      Prefixes being announced from the APNIC address blocks:          150471
          Unique aggregates announced from the APNIC address blocks:    59807
      APNIC Region origin ASes present in the Internet Routing Table:    5093
          APNIC Prefixes per ASN:                                       29.54
      APNIC Region origin ASes announcing only one prefix:               1205
      APNIC Region transit ASes present in the Internet Routing Table:    893
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         38
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1625
      Number of APNIC addresses announced to Internet:              752460032
          Equivalent to 44 /8s, 217 /16s and 161 /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:                    179843
          Total ARIN prefixes after maximum aggregation:                88200
          ARIN Deaggregation factor:                                     2.04
      Prefixes being announced from the ARIN address blocks:           182830
          Unique aggregates announced from the ARIN address blocks:     86224
      ARIN Region origin ASes present in the Internet Routing Table:    16566
          ARIN Prefixes per ASN:                                        11.04
      ARIN Region origin ASes announcing only one prefix:                6045
      ARIN Region transit ASes present in the Internet Routing Table:    1736
      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:     680
      Number of ARIN addresses announced to Internet:              1117848512
          Equivalent to 66 /8s, 161 /16s and 3 /24s
          Percentage of available ARIN address space announced:          59.1
      
      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:                    135757
          Total RIPE prefixes after maximum aggregation:                67686
          RIPE Deaggregation factor:                                     2.01
      Prefixes being announced from the RIPE address blocks:           142759
          Unique aggregates announced from the RIPE address blocks:     88639
      RIPE Region origin ASes present in the Internet Routing Table:    17991
          RIPE Prefixes per ASN:                                         7.94
      RIPE Region origin ASes announcing only one prefix:                8035
      RIPE Region transit ASes present in the Internet Routing Table:    2989
      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:    4030
      Number of RIPE addresses announced to Internet:               699655936
          Equivalent to 41 /8s, 179 /16s and 231 /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:                   60899
          Total LACNIC prefixes after maximum aggregation:              11690
          LACNIC Deaggregation factor:                                   5.21
      Prefixes being announced from the LACNIC address blocks:          72751
          Unique aggregates announced from the LACNIC address blocks:   33919
      LACNIC Region origin ASes present in the Internet Routing Table:   2462
          LACNIC Prefixes per ASN:                                      29.55
      LACNIC Region origin ASes announcing only one prefix:               598
      LACNIC Region transit ASes present in the Internet Routing Table:   532
      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:  1932
      Number of LACNIC addresses announced to Internet:             168903424
          Equivalent to 10 /8s, 17 /16s and 67 /24s
          Percentage of available LACNIC address space announced:       100.7
      
      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:                  12172
          Total AfriNIC prefixes after maximum aggregation:              3069
          AfriNIC Deaggregation factor:                                  3.97
      Prefixes being announced from the AfriNIC address blocks:         14171
          Unique aggregates announced from the AfriNIC address blocks:   5325
      AfriNIC Region origin ASes present in the Internet Routing Table:   739
          AfriNIC Prefixes per ASN:                                     19.18
      AfriNIC Region origin ASes announcing only one prefix:              193
      AfriNIC Region transit ASes present in the Internet Routing Table:  167
      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:  149
      Number of AfriNIC addresses announced to Internet:             69462528
          Equivalent to 4 /8s, 35 /16s and 234 /24s
          Percentage of available AfriNIC address space announced:       69.0
      
      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
       4538     5586       4192          76   China Education and Research 
       4766     3005      11134         982   Korea Telecom
       7545     2800        339         134   TPG Telecom Limited
      17974     2709        908          90   PT Telekomunikasi Indonesia
       4755     2045        427         228   TATA Communications formerly 
       9829     1909       1383         226   National Internet Backbone
       9808     1601       8639          18   Guangdong Mobile Communicatio
       4812     1574       2099         113   China Telecom (Group)
       4808     1527       2251         476   CNCGROUP IP network China169 
       9583     1498        119         560   Sify Limited
      
      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     3186       2966         144   Cox Communications Inc.
       6389     2696       3688          51   BellSouth.net Inc.
       3356     2537      10710         506   Level 3 Communications, Inc.
      18566     2168        392         265   MegaPath Corporation
      20115     1882       1867         397   Charter Communications
       6983     1737        866         242   EarthLink, Inc.
      30036     1595        321         391   Mediacom Communications Corp
       4323     1587       1005         406   tw telecom holdings, inc.
        701     1400      11401         676   MCI Communications Services, 
      22561     1373        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     2473        129           7   SaudiNet, Saudi Telecom Compa
      20940     2141        848        1546   Akamai International B.V.
      34984     2048        306         377   TELLCOM ILETISIM HIZMETLERI A
       6849     1208        355          21   JSC "Ukrtelecom"
      13188     1071         97          76   TOV "Bank-Inform"
      31148     1056         46          24   Freenet Ltd.
       8402     1020        544          15   OJSC "Vimpelcom"
      12479      997        965          78   France Telecom Espana SA
       8551      983        376          52   Bezeq International-Ltd
       6830      913       2694         466   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     3370        539         153   Telmex Colombia S.A.
      28573     2255       2167         126   NET Serviços de Comunicação S
       8151     1834       3273         481   Uninet S.A. de C.V.
       7303     1562        936         237   Telecom Argentina S.A.
       6503     1401        445          57   Axtel, S.A.B. de C.V.
      26615     1093       2325          35   Tim Celular S.A.
       6147     1059        374          30   Telefonica del Peru S.A.A.
      11830      999        364          24   Instituto Costarricense de El
       7738      995       1882          41   Telemar Norte Leste S.A.
       3816      947        436         160   COLOMBIA TELECOMUNICACIONES S
      
      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      910       1468          10   TE-AS
      24863      805        281          37   Link Egypt (Link.NET)
      36903      512        258          99   Office National des Postes et
      36992      439       1229          32   ETISALAT MISR
      37492      315        191          72   Orange Tunisie
      24835      283        146          12   Vodafone Data
      29571      247         21          13   Cote d'Ivoire Telecom
       3741      226        854         188   Internet Solutions
      36947      197        807          13   Telecom Algeria
      15706      172         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
       4538     5586       4192          76   China Education and Research 
      10620     3370        539         153   Telmex Colombia S.A.
      22773     3186       2966         144   Cox Communications Inc.
       4766     3005      11134         982   Korea Telecom
       7545     2800        339         134   TPG Telecom Limited
      17974     2709        908          90   PT Telekomunikasi Indonesia
       6389     2696       3688          51   BellSouth.net Inc.
       3356     2537      10710         506   Level 3 Communications, Inc.
      39891     2473        129           7   SaudiNet, Saudi Telecom Compa
      28573     2255       2167         126   NET Serviços de Comunicação S
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
      10620      3370        3217      Telmex Colombia S.A.
      22773      3186        3042      Cox Communications Inc.
       7545      2800        2666      TPG Telecom Limited
       6389      2696        2645      BellSouth.net Inc.
      17974      2709        2619      PT Telekomunikasi Indonesia
      39891      2473        2466      SaudiNet, Saudi Telecom Compa
      28573      2255        2129      NET Serviços de Comunicação S
       3356      2537        2031      Level 3 Communications, Inc.
       4766      3005        2023      Korea Telecom
      18566      2168        1903      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
      100.100.1.0/24        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
      27.50.10.0/24        55548     Ravibhawan
      27.50.11.0/24        55548     Ravibhawan
      27.100.7.0/24        56096     >>UNKNOWN<<
      31.170.96.0/23       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        /8:18       /9:13      /10:36      /11:95      /12:262     
      /13:501     /14:1006    /15:1739    /16:12911   /17:7388    /18:12584   
      /19:26323   /20:37370   /21:39522   /22:61863   /23:54132   /24:305312  
      /25:852     /26:930     /27:493     /28:15      /29:14      /30:9       
      /31:0       /32:21      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      39891     2432          2473      SaudiNet, Saudi Telecom Compa
      22773     2394          3186      Cox Communications Inc.
      18566     2075          2168      MegaPath Corporation
       6389     1608          2696      BellSouth.net Inc.
      30036     1414          1595      Mediacom Communications Corp
       6983     1386          1737      EarthLink, Inc.
      34984     1368          2048      TELLCOM ILETISIM HIZMETLERI A
      10620     1246          3370      Telmex Colombia S.A.
      11492     1134          1217      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)
      ----------------------------------------------
      
         1:1594      2:688       4:97        5:1879      6:25        8:1395   
        12:1808     13:18       14:1432     15:17       16:2        17:50     
        18:22       20:50       23:1274     24:1740     27:2085     31:1607   
        32:34       33:2        34:4        35:6        36:154      37:2044   
        38:1062     39:15       40:72       41:2784     42:341      43:1517   
        44:31       45:1170     46:2349     47:57       49:992      50:803    
        52:23       54:85       55:6        56:4        57:43       58:1417   
        59:771      60:499      61:1791     62:1418     63:1897     64:4401   
        65:2237     66:3998     67:2074     68:1071     69:3252     70:1041   
        71:450      72:1979     74:2553     75:360      76:396      77:1369   
        78:1171     79:812      80:1357     81:1357     82:874      83:713    
        84:773      85:1388     86:450      87:1022     88:535      89:1932   
        90:149      91:6008     92:843      93:2286     94:2101     95:2161   
        96:434      97:348      98:958      99:55      100:74      101:852    
       103:8305    104:2004    105:76      106:347     107:1048    108:625    
       109:2140    110:1211    111:1456    112:825     113:1113    114:861    
       115:1343    116:1503    117:1097    118:1953    119:1478    120:466    
       121:1149    122:2176    123:1850    124:1545    125:1718    128:663    
       129:392     130:430     131:1257    132:534     133:166     134:421    
       135:103     136:346     137:320     138:1283    139:170     140:247    
       141:438     142:662     143:547     144:570     145:127     146:801    
       147:588     148:1271    149:433     150:601     151:799     152:529    
       153:256     154:498     155:883     156:423     157:422     158:346    
       159:1063    160:424     161:675     162:2126    163:461     164:693    
       165:853     166:302     167:871     168:1251    169:199     170:1399   
       171:251     172:273     173:1514    174:713     175:712     176:1464   
       177:3966    178:2225    179:993     180:1952    181:1550    182:1820   
       183:632     184:742     185:4303    186:2963    187:1856    188:2111   
       189:1683    190:7594    191:1155    192:8540    193:5660    194:4260   
       195:3679    196:1952    197:1080    198:5478    199:5517    200:6676   
       201:3311    202:9778    203:9202    204:4548    205:2738    206:3025   
       207:2996    208:4007    209:3895    210:3748    211:2055    212:2564   
       213:2227    214:864     215:73      216:5756    217:1795    218:796    
       219:532     220:1574    221:821     222:721     223:832    
      
      End of report