[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, 25 Jul 2015 04:13:43 +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 25 Jul, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              553100
          Prefixes after maximum aggregation (per Origin AS):          209326
          Deaggregation factor:                                          2.64
          Unique aggregates announced (without unneeded subnets):      269834
      Total ASes present in the Internet Routing Table:                 50975
          Prefixes per ASN:                                             10.85
      Origin-only ASes present in the Internet Routing Table:           36693
      Origin ASes announcing only one prefix:                           16176
      Transit ASes present in the Internet Routing Table:                6344
      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:              1826
          Unregistered ASNs in the Routing Table:                         576
      Number of 32-bit ASNs allocated by the RIRs:                      10330
      Number of 32-bit ASNs visible in the Routing Table:                7938
      Prefixes from 32-bit ASNs in the Routing Table:                   29501
      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:            417
      Number of addresses announced to Internet:                   2770525221
          Equivalent to 165 /8s, 34 /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:      184978
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   136914
          Total APNIC prefixes after maximum aggregation:               39806
          APNIC Deaggregation factor:                                    3.44
      Prefixes being announced from the APNIC address blocks:          143793
          Unique aggregates announced from the APNIC address blocks:    58303
      APNIC Region origin ASes present in the Internet Routing Table:    5075
          APNIC Prefixes per ASN:                                       28.33
      APNIC Region origin ASes announcing only one prefix:               1196
      APNIC Region transit ASes present in the Internet Routing Table:    883
      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:   1558
      Number of APNIC addresses announced to Internet:              751328325
          Equivalent to 44 /8s, 200 /16s and 92 /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:                    179653
          Total ARIN prefixes after maximum aggregation:                88052
          ARIN Deaggregation factor:                                     2.04
      Prefixes being announced from the ARIN address blocks:           182431
          Unique aggregates announced from the ARIN address blocks:     85355
      ARIN Region origin ASes present in the Internet Routing Table:    16593
          ARIN Prefixes per ASN:                                        10.99
      ARIN Region origin ASes announcing only one prefix:                6083
      ARIN Region transit ASes present in the Internet Routing Table:    1739
      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:     559
      Number of ARIN addresses announced to Internet:              1085308960
          Equivalent to 64 /8s, 176 /16s and 128 /24s
          Percentage of available ARIN address space announced:          57.4
      
      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:                    134316
          Total RIPE prefixes after maximum aggregation:                66801
          RIPE Deaggregation factor:                                     2.01
      Prefixes being announced from the RIPE address blocks:           140927
          Unique aggregates announced from the RIPE address blocks:     87411
      RIPE Region origin ASes present in the Internet Routing Table:    17973
          RIPE Prefixes per ASN:                                         7.84
      RIPE Region origin ASes announcing only one prefix:                8088
      RIPE Region transit ASes present in the Internet Routing Table:    2975
      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:    3875
      Number of RIPE addresses announced to Internet:               698628224
          Equivalent to 41 /8s, 164 /16s and 56 /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:                   60334
          Total LACNIC prefixes after maximum aggregation:              11560
          LACNIC Deaggregation factor:                                   5.22
      Prefixes being announced from the LACNIC address blocks:          71453
          Unique aggregates announced from the LACNIC address blocks:   33162
      LACNIC Region origin ASes present in the Internet Routing Table:   2453
          LACNIC Prefixes per ASN:                                      29.13
      LACNIC Region origin ASes announcing only one prefix:               614
      LACNIC Region transit ASes present in the Internet Routing Table:   510
      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:  1811
      Number of LACNIC addresses announced to Internet:             168750400
          Equivalent to 10 /8s, 14 /16s and 237 /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:                  12197
          Total AfriNIC prefixes after maximum aggregation:              3058
          AfriNIC Deaggregation factor:                                  3.99
      Prefixes being announced from the AfriNIC address blocks:         14079
          Unique aggregates announced from the AfriNIC address blocks:   5234
      AfriNIC Region origin ASes present in the Internet Routing Table:   736
          AfriNIC Prefixes per ASN:                                     19.13
      AfriNIC Region origin ASes announcing only one prefix:              195
      AfriNIC Region transit ASes present in the Internet Routing Table:  163
      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:  135
      Number of AfriNIC addresses announced to Internet:             65998592
          Equivalent to 3 /8s, 239 /16s and 15 /24s
          Percentage of available AfriNIC address space announced:       65.6
      
      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         941   Korea Telecom
      17974     2699        904          78   PT Telekomunikasi Indonesia
       7545     2571        339         137   TPG Telecom Limited
       4755     2026        425         225   TATA Communications formerly 
       4538     1947       4190          71   China Education and Research 
       9829     1796       1356         151   National Internet Backbone
       9808     1584       8717          29   Guangdong Mobile Communicatio
       9583     1517        119         570   Sify Limited
       4808     1465       2245         470   CNCGROUP IP network China169 
       9498     1360        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     3174       2957         136   Cox Communications Inc.
       6389     2758       3688          51   BellSouth.net Inc.
       3356     2556      10702         512   Level 3 Communications, Inc.
      18566     2068        381         203   MegaPath Corporation
      20115     1868       1843         407   Charter Communications
       6983     1750        850         244   EarthLink, Inc.
       4323     1606       1022         414   tw telecom holdings, inc.
      30036     1550        315         481   Mediacom Communications Corp
        701     1393      11371         677   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
      34984     2196        306         367   TELLCOM ILETISIM HIZMETLERI A
      20940     2053        807        1489   Akamai International B.V.
       6849     1209        355          21   JSC "Ukrtelecom"
       8551     1102        376          52   Bezeq International-Ltd
      13188     1067         97          77   TOV "Bank-Inform"
      31148     1058         46          26   Freenet Ltd.
       8402      973        544          15   OJSC "Vimpelcom"
      12479      966        933          77   France Telecom Espana SA
       6830      918       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     3292        532         249   Telmex Colombia S.A.
      28573     2313       2171         111   NET Serviços de Comunicação S
       8151     1656       3275         451   Uninet S.A. de C.V.
       7303     1632       1008         238   Telecom Argentina S.A.
       6147     1445        374          30   Telefonica del Peru S.A.A.
       6503     1309        421          55   Axtel, S.A.B. de C.V.
      26615     1100       2325          35   Tim Celular S.A.
       7738      999       1882          41   Telemar Norte Leste S.A.
       3816      950        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      888        280          26   Link Egypt (Link.NET)
       8452      843        958          13   TE-AS
      36903      512        258          99   Office National des Postes et
      36992      442       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
      36947      195        807          13   Telecom Algeria
      37054      189         20           7   Data Telecom Service
      
      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     3292        532         249   Telmex Colombia S.A.
      22773     3174       2957         136   Cox Communications Inc.
       4766     2949      11305         941   Korea Telecom
       6389     2758       3688          51   BellSouth.net Inc.
      17974     2699        904          78   PT Telekomunikasi Indonesia
       7545     2571        339         137   TPG Telecom Limited
       3356     2556      10702         512   Level 3 Communications, Inc.
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2313       2171         111   NET Serviços de Comunicação S
      34984     2196        306         367   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      3174        3038      Cox Communications Inc.
       6389      2758        2707      BellSouth.net Inc.
      17974      2699        2621      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
       7545      2571        2434      TPG Telecom Limited
      28573      2313        2202      NET Serviços de Comunicação S
       3356      2556        2044      Level 3 Communications, Inc.
       4766      2949        2008      Korea Telecom
       4538      1947        1876      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
      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
        560   UNALLOCATED  8.254.136.0/22        3356       Level 3 Communicatio
        560   UNALLOCATED  8.254.136.0/23        3356       Level 3 Communicatio
      
      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
      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      /12:262     
      /13:505     /14:1003    /15:1728    /16:12892   /17:7284    /18:12346   
      /19:25559   /20:36012   /21:38728   /22:60605   /23:52840   /24:300118  
      /25:1136    /26:1160    /27:707     /28:14      /29:14      /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     2374          3174      Cox Communications Inc.
      18566     2010          2068      MegaPath Corporation
       6389     1629          2758      BellSouth.net Inc.
      34984     1471          2196      TELLCOM ILETISIM HIZMETLERI A
       6983     1397          1750      EarthLink, Inc.
      30036     1373          1550      Mediacom Communications Corp
      10620     1177          3292      Telmex Colombia S.A.
      11492     1111          1195      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)
      ----------------------------------------------
      
         1:1539      2:697       4:96        5:1888      6:25        8:1385   
        12:1835     13:14       14:1320     15:17       16:2        17:44     
        18:22       20:49       23:1254     24:1757     27:1997     31:1603   
        32:37       33:2        34:4        35:3        36:158      37:1973   
        38:1039     39:14       40:69       41:2735     42:296      43:1362   
        44:30       45:841      46:2312     47:50       49:920      50:780    
        52:12       54:82       55:4        56:6        57:42       58:1353   
        59:718      60:478      61:1756     62:1374     63:1901     64:4403   
        65:2252     66:4032     67:2055     68:1060     69:3246     70:1024   
        71:445      72:1959     74:2615     75:341      76:397      77:1281   
        78:1169     79:808      80:1358     81:1313     82:860      83:718    
        84:801      85:1331     86:442      87:1038     88:538      89:1929   
        90:145      91:5998     92:842      93:2278     94:2079     95:2203   
        96:438      97:348      98:1023     99:54      100:76      101:846    
       103:7846    104:1992    105:65      106:337     107:1033    108:629    
       109:2088    110:1145    111:1450    112:821     113:1110    114:843    
       115:1259    116:1417    117:1074    118:1876    119:1462    120:451    
       121:1141    122:2163    123:1835    124:1516    125:1624    128:619    
       129:395     130:413     131:1210    132:514     133:171     134:409    
       135:97      136:334     137:327     138:1010    139:149     140:237    
       141:505     142:661     143:508     144:553     145:124     146:796    
       147:582     148:1197    149:416     150:563     151:706     152:523    
       153:251     154:470     155:882     156:423     157:420     158:354    
       159:1021    160:407     161:657     162:2000    163:439     164:698    
       165:695     166:298     167:829     168:1255    169:185     170:1472   
       171:246     172:271     173:1533    174:719     175:696     176:1439   
       177:3917    178:2174    179:937     180:1940    181:1619    182:1841   
       183:626     184:757     185:3917    186:2867    187:1772    188:2072   
       189:1628    190:7640    191:1099    192:8546    193:5648    194:4226   
       195:3677    196:1968    197:1037    198:5548    199:5513    200:6604   
       201:3202    202:9536    203:9153    204:4697    205:2842    206:3059   
       207:2982    208:3992    209:3888    210:3594    211:1920    212:2539   
       213:2351    214:846     215:71      216:5749    217:1836    218:733    
       219:467     220:1489    221:817     222:471     223:815    
      
      End of report