[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, 18 Apr 2015 04:11:55 +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 Apr, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              540786
          Prefixes after maximum aggregation (per Origin AS):          206550
          Deaggregation factor:                                          2.62
          Unique aggregates announced (without unneeded subnets):      263869
      Total ASes present in the Internet Routing Table:                 50040
          Prefixes per ASN:                                             10.81
      Origin-only ASes present in the Internet Routing Table:           36566
      Origin ASes announcing only one prefix:                           16289
      Transit ASes present in the Internet Routing Table:                6330
      Transit-only ASes present in the Internet Routing Table:            176
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      45
          Max AS path prepend of ASN ( 55944)                              41
      Prefixes from unregistered ASNs in the Routing Table:              1189
          Unregistered ASNs in the Routing Table:                         415
      Number of 32-bit ASNs allocated by the RIRs:                       9182
      Number of 32-bit ASNs visible in the Routing Table:                7144
      Prefixes from 32-bit ASNs in the Routing Table:                   25731
      Number of bogon 32-bit ASNs visible in the Routing Table:             2
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            363
      Number of addresses announced to Internet:                   2739671460
          Equivalent to 163 /8s, 76 /16s and 17 /24s
          Percentage of available address space announced:               74.0
          Percentage of allocated address space announced:               74.0
          Percentage of available address space allocated:              100.0
          Percentage of address space in use by end-sites:               97.3
      Total number of prefixes smaller than registry allocations:      182096
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   133387
          Total APNIC prefixes after maximum aggregation:               38870
          APNIC Deaggregation factor:                                    3.43
      Prefixes being announced from the APNIC address blocks:          139137
          Unique aggregates announced from the APNIC address blocks:    56770
      APNIC Region origin ASes present in the Internet Routing Table:    5035
          APNIC Prefixes per ASN:                                       27.63
      APNIC Region origin ASes announcing only one prefix:               1204
      APNIC Region transit ASes present in the Internet Routing Table:    872
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         45
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1385
      Number of APNIC addresses announced to Internet:              747587072
          Equivalent to 44 /8s, 143 /16s and 70 /24s
          Percentage of available APNIC address space announced:         87.4
      
      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:                    178405
          Total ARIN prefixes after maximum aggregation:                87876
          ARIN Deaggregation factor:                                     2.03
      Prefixes being announced from the ARIN address blocks:           180813
          Unique aggregates announced from the ARIN address blocks:     84713
      ARIN Region origin ASes present in the Internet Routing Table:    16543
          ARIN Prefixes per ASN:                                        10.93
      ARIN Region origin ASes announcing only one prefix:                6081
      ARIN Region transit ASes present in the Internet Routing Table:    1726
      Average ARIN Region AS path length visible:                         3.8
          Max ARIN Region AS path length visible:                          24
      Number of ARIN region 32-bit ASNs visible in the Routing Table:     402
      Number of ARIN addresses announced to Internet:              1064773152
          Equivalent to 63 /8s, 119 /16s and 38 /24s
          Percentage of available ARIN address space announced:          56.3
      
      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, 393216-394239
      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:                    131149
          Total RIPE prefixes after maximum aggregation:                65580
          RIPE Deaggregation factor:                                     2.00
      Prefixes being announced from the RIPE address blocks:           137384
          Unique aggregates announced from the RIPE address blocks:     84757
      RIPE Region origin ASes present in the Internet Routing Table:    17947
          RIPE Prefixes per ASN:                                         7.65
      RIPE Region origin ASes announcing only one prefix:                8171
      RIPE Region transit ASes present in the Internet Routing Table:    2987
      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:    3613
      Number of RIPE addresses announced to Internet:               693973636
          Equivalent to 41 /8s, 93 /16s and 50 /24s
          Percentage of available RIPE address space announced:         100.9
      
      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, 196608-202239
      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:                   59161
          Total LACNIC prefixes after maximum aggregation:              11164
          LACNIC Deaggregation factor:                                   5.30
      Prefixes being announced from the LACNIC address blocks:          69111
          Unique aggregates announced from the LACNIC address blocks:   32165
      LACNIC Region origin ASes present in the Internet Routing Table:   2429
          LACNIC Prefixes per ASN:                                      28.45
      LACNIC Region origin ASes announcing only one prefix:               630
      LACNIC Region transit ASes present in the Internet Routing Table:   499
      Average LACNIC Region AS path length visible:                       4.9
          Max LACNIC Region AS path length visible:                        23
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1636
      Number of LACNIC addresses announced to Internet:             168062720
          Equivalent to 10 /8s, 4 /16s and 111 /24s
          Percentage of available LACNIC address space announced:       100.2
      
      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:                  12783
          Total AfriNIC prefixes after maximum aggregation:              3016
          AfriNIC Deaggregation factor:                                  4.24
      Prefixes being announced from the AfriNIC address blocks:         13978
          Unique aggregates announced from the AfriNIC address blocks:   5137
      AfriNIC Region origin ASes present in the Internet Routing Table:   736
          AfriNIC Prefixes per ASN:                                     18.99
      AfriNIC Region origin ASes announcing only one prefix:              203
      AfriNIC Region transit ASes present in the Internet Routing Table:  162
      Average AfriNIC Region AS path length visible:                      4.5
          Max AfriNIC Region AS path length visible:                       24
      Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  108
      Number of AfriNIC addresses announced to Internet:             64834816
          Equivalent to 3 /8s, 221 /16s and 77 /24s
          Percentage of available AfriNIC address space announced:       64.4
      
      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     2920      11557         912   Korea Telecom
      17974     2792        904          78   PT Telekomunikasi Indonesia
       7545     2555        336         128   TPG Telecom Limited
       4755     2004        422         212   TATA Communications formerly 
       4538     1760       4190          71   China Education and Research 
       9829     1660       1326          39   National Internet Backbone
       9808     1570       8717          28   Guangdong Mobile Communicatio
       4808     1442       2244         447   CNCGROUP IP network China169 
       9583     1407        116         575   Sify Limited
       9498     1320        334          94   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     3017       2956         143   Cox Communications Inc.
       6389     2842       3688          51   BellSouth.net Inc.
       3356     2560      10700         489   Level 3 Communications, Inc.
      18566     2039        379         182   MegaPath Corporation
      20115     1876       1832         430   Charter Communications
       6983     1754        866         245   EarthLink, Inc.
       4323     1616       1020         407   tw telecom holdings, inc.
      30036     1517        309         509   Mediacom Communications Corp
        701     1409      11276         693   MCI Communications Services, 
      22561     1341        412         243   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     1957        303         365   TELLCOM ILETISIM HIZMETLERI A
      20940     1793        699        1326   Akamai International B.V.
       6849     1212        356          24   JSC "Ukrtelecom"
       8402     1124        544          15   OJSC "Vimpelcom"
      31148     1046         45          21   Freenet Ltd.
      13188     1034         96          71   TOV "Bank-Inform"
      12479      902        863          85   France Telecom Espana SA
       8551      886        373          48   Bezeq International-Ltd
       6830      855       2345         453   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     3197        520         192   Telmex Colombia S.A.
      28573     2339       2179         122   NET Serviços de Comunicação S
       7303     1694       1087         238   Telecom Argentina S.A.
       6147     1625        374          30   Telefonica del Peru S.A.A.
       8151     1590       3187         454   Uninet S.A. de C.V.
       6503     1237        421          57   Axtel, S.A.B. de C.V.
       7738      999       1882          41   Telemar Norte Leste S.A.
      26615      982       2325          35   Tim Celular S.A.
       3816      923        418         154   COLOMBIA TELECOMUNICACIONES S
      18881      866       1036          22   Global Village Telecom
      
      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     1703        958          13   TE-AS
      24863      964        284          27   Link Egypt (Link.NET)
      36903      492        248          93   Office National des Postes et
      36992      417       1229          32   ETISALAT MISR
      37492      302        155          72   Orange Tunisie
      24835      300        144           9   Vodafone Data
       3741      249        857         208   Internet Solutions
      29571      231         21          12   Cote d'Ivoire Telecom
      36947      198        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
      10620     3197        520         192   Telmex Colombia S.A.
      22773     3017       2956         143   Cox Communications Inc.
       4766     2920      11557         912   Korea Telecom
       6389     2842       3688          51   BellSouth.net Inc.
      17974     2792        904          78   PT Telekomunikasi Indonesia
       3356     2560      10700         489   Level 3 Communications, Inc.
       7545     2555        336         128   TPG Telecom Limited
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
      28573     2339       2179         122   NET Serviços de Comunicação S
      18566     2039        379         182   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      3017        2874      Cox Communications Inc.
       6389      2842        2791      BellSouth.net Inc.
      17974      2792        2714      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
       7545      2555        2427      TPG Telecom Limited
      28573      2339        2217      NET Serviços de Comunicação S
       3356      2560        2071      Level 3 Communications, Inc.
       4766      2920        2008      Korea Telecom
      18566      2039        1857      MegaPath Corporation
       4755      2004        1792      TATA Communications formerly 
      
      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         3356       Level 3 Communicatio
      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
      32805   UNALLOCATED  12.1.225.0/24         7018       AT&T Services, Inc.
      
      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<<
      41.73.10.0/24        37004     >>UNKNOWN<<
      41.73.11.0/24        37004     >>UNKNOWN<<
      41.73.12.0/24        37004     >>UNKNOWN<<
      41.73.13.0/24        37004     >>UNKNOWN<<
      41.73.15.0/24        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       /9:12      /10:34      /11:94      /12:262     
      /13:508     /14:998     /15:1719    /16:12953   /17:7200    /18:12211   
      /19:25344   /20:35909   /21:38551   /22:58855   /23:51392   /24:291715  
      /25:1130    /26:1129    /27:708     /28:14      /29:11      /30:8       
      /31:0       /32:13      
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
      39891     2432          2472      SaudiNet, Saudi Telecom Compa
      22773     2225          3017      Cox Communications Inc.
      18566     1995          2039      MegaPath Corporation
       6389     1657          2842      BellSouth.net Inc.
       6983     1401          1754      EarthLink, Inc.
      30036     1362          1517      Mediacom Communications Corp
      34984     1283          1957      TELLCOM ILETISIM HIZMETLERI A
       6147     1171          1625      Telefonica del Peru S.A.A.
      10620     1131          3197      Telmex Colombia S.A.
      11492     1106          1173      CABLE ONE, INC.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1484      2:670       4:93        5:1743      6:23        8:1414   
        12:1825     13:9        14:1308     15:17       16:2        17:44     
        18:21       20:48       23:1202     24:1718     27:1880     31:1526   
        32:38       33:2        34:5        35:3        36:117      37:1898   
        38:1019     39:5        40:252      41:3001     42:267      43:1245   
        44:25       45:441      46:2110     47:38       49:844      50:800    
        52:12       54:73       55:4        56:8        57:37       58:1221   
        59:674      60:469      61:1751     62:1327     63:1915     64:4424   
        65:2251     66:4090     67:2069     68:1078     69:3270     70:960    
        71:445      72:1955     74:2658     75:323      76:403      77:1457   
        78:1188     79:801      80:1299     81:1345     82:815      83:688    
        84:710      85:1372     86:395      87:1075     88:509      89:1821   
        90:151      91:5979     92:831      93:2212     94:1984     95:2091   
        96:430      97:355      98:1059     99:48      100:68      101:815    
       103:7218    104:1580    105:62      106:244     107:931     108:621    
       109:2024    110:1088    111:1491    112:782     113:1065    114:810    
       115:1260    116:1364    117:999     118:1752    119:1446    120:453    
       121:1037    122:2216    123:1753    124:1509    125:1588    128:541    
       129:379     130:386     131:1178    132:488     133:174     134:418    
       135:109     136:307     137:326     138:629     139:151     140:242    
       141:421     142:657     143:517     144:572     145:112     146:715    
       147:589     148:1120    149:432     150:572     151:606     152:492    
       153:242     154:441     155:744     156:407     157:462     158:318    
       159:985     160:376     161:646     162:1954    163:419     164:670    
       165:682     166:288     167:805     168:1282    169:162     170:1468   
       171:240     172:41      173:1529    174:706     175:676     176:1353   
       177:3771    178:2067    179:880     180:1940    181:1666    182:1731   
       183:619     184:740     185:3301    186:2644    187:1765    188:2022   
       189:1562    190:7639    191:950     192:8266    193:5582    194:4124   
       195:3657    196:1715    197:1086    198:5531    199:5531    200:6522   
       201:3043    202:9468    203:9104    204:4692    205:2840    206:3098   
       207:2980    208:3939    209:3942    210:3515    211:1859    212:2461   
       213:2289    214:855     215:71      216:5571    217:1802    218:685    
       219:455     220:1442    221:787     222:466     223:666    
      
      End of report