[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, 25 Apr 2015 04:11:28 +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 Apr, 2015
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              541795
          Prefixes after maximum aggregation (per Origin AS):          206788
          Deaggregation factor:                                          2.62
          Unique aggregates announced (without unneeded subnets):      264333
      Total ASes present in the Internet Routing Table:                 50103
          Prefixes per ASN:                                             10.81
      Origin-only ASes present in the Internet Routing Table:           36582
      Origin ASes announcing only one prefix:                           16288
      Transit ASes present in the Internet Routing Table:                6337
      Transit-only ASes present in the Internet Routing Table:            175
      Average AS path length visible in the Internet Routing Table:       4.4
          Max AS path length visible:                                      44
          Max AS path prepend of ASN ( 55944)                              41
      Prefixes from unregistered ASNs in the Routing Table:              1193
          Unregistered ASNs in the Routing Table:                         408
      Number of 32-bit ASNs allocated by the RIRs:                       9255
      Number of 32-bit ASNs visible in the Routing Table:                7184
      Prefixes from 32-bit ASNs in the Routing Table:                   25851
      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:            360
      Number of addresses announced to Internet:                   2739318436
          Equivalent to 163 /8s, 70 /16s and 174 /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:      182352
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                   133662
          Total APNIC prefixes after maximum aggregation:               38993
          APNIC Deaggregation factor:                                    3.43
      Prefixes being announced from the APNIC address blocks:          139448
          Unique aggregates announced from the APNIC address blocks:    56810
      APNIC Region origin ASes present in the Internet Routing Table:    5040
          APNIC Prefixes per ASN:                                       27.67
      APNIC Region origin ASes announcing only one prefix:               1205
      APNIC Region transit ASes present in the Internet Routing Table:    875
      Average APNIC Region AS path length visible:                        4.3
          Max APNIC Region AS path length visible:                         44
      Number of APNIC region 32-bit ASNs visible in the Routing Table:   1395
      Number of APNIC addresses announced to Internet:              747690496
          Equivalent to 44 /8s, 144 /16s and 218 /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:                    178367
          Total ARIN prefixes after maximum aggregation:                87920
          ARIN Deaggregation factor:                                     2.03
      Prefixes being announced from the ARIN address blocks:           180796
          Unique aggregates announced from the ARIN address blocks:     84833
      ARIN Region origin ASes present in the Internet Routing Table:    16559
          ARIN Prefixes per ASN:                                        10.92
      ARIN Region origin ASes announcing only one prefix:                6097
      ARIN Region transit ASes present in the Internet Routing Table:    1737
      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:     409
      Number of ARIN addresses announced to Internet:              1065386528
          Equivalent to 63 /8s, 128 /16s and 130 /24s
          Percentage of available ARIN address space announced:          56.4
      
      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, 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:                    131539
          Total RIPE prefixes after maximum aggregation:                65635
          RIPE Deaggregation factor:                                     2.00
      Prefixes being announced from the RIPE address blocks:           137820
          Unique aggregates announced from the RIPE address blocks:     84964
      RIPE Region origin ASes present in the Internet Routing Table:    17952
          RIPE Prefixes per ASN:                                         7.68
      RIPE Region origin ASes announcing only one prefix:                8157
      RIPE Region transit ASes present in the Internet Routing Table:    2982
      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:    3634
      Number of RIPE addresses announced to Internet:               693611908
          Equivalent to 41 /8s, 87 /16s and 173 /24s
          Percentage of available RIPE address space announced:         100.8
      
      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:                   59469
          Total LACNIC prefixes after maximum aggregation:              11181
          LACNIC Deaggregation factor:                                   5.32
      Prefixes being announced from the LACNIC address blocks:          69431
          Unique aggregates announced from the LACNIC address blocks:   32265
      LACNIC Region origin ASes present in the Internet Routing Table:   2426
          LACNIC Prefixes per ASN:                                      28.62
      LACNIC Region origin ASes announcing only one prefix:               626
      LACNIC Region transit ASes present in the Internet Routing Table:   501
      Average LACNIC Region AS path length visible:                       4.9
          Max LACNIC Region AS path length visible:                        22
      Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1638
      Number of LACNIC addresses announced to Internet:             167318016
          Equivalent to 9 /8s, 249 /16s and 18 /24s
          Percentage of available LACNIC address space announced:        99.7
      
      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:                  12738
          Total AfriNIC prefixes after maximum aggregation:              3015
          AfriNIC Deaggregation factor:                                  4.22
      Prefixes being announced from the AfriNIC address blocks:         13940
          Unique aggregates announced from the AfriNIC address blocks:   5136
      AfriNIC Region origin ASes present in the Internet Routing Table:   737
          AfriNIC Prefixes per ASN:                                     18.91
      AfriNIC Region origin ASes announcing only one prefix:              203
      AfriNIC Region transit ASes present in the Internet Routing Table:  158
      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:             64997120
          Equivalent to 3 /8s, 223 /16s and 199 /24s
          Percentage of available AfriNIC address space announced:       64.6
      
      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     2923      11557         912   Korea Telecom
      17974     2771        904          78   PT Telekomunikasi Indonesia
       7545     2374        336         128   TPG Telecom Limited
       4755     2012        422         214   TATA Communications formerly 
       4538     1908       4190          71   China Education and Research 
       9829     1632       1326          39   National Internet Backbone
       9808     1572       8717          28   Guangdong Mobile Communicatio
       4808     1442       2244         446   CNCGROUP IP network China169 
       9583     1409        116         575   Sify Limited
       9498     1323        334          95   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     3015       2956         143   Cox Communications Inc.
       6389     2832       3688          51   BellSouth.net Inc.
       3356     2559      10684         488   Level 3 Communications, Inc.
      18566     2040        379         182   MegaPath Corporation
      20115     1877       1840         431   Charter Communications
       6983     1755        866         245   EarthLink, Inc.
       4323     1619       1021         409   tw telecom holdings, inc.
      30036     1523        309         496   Mediacom Communications Corp
        701     1407      11276         690   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     1964        303         366   TELLCOM ILETISIM HIZMETLERI A
      20940     1810        702        1338   Akamai International B.V.
       6849     1214        356          24   JSC "Ukrtelecom"
       8402     1157        544          15   OJSC "Vimpelcom"
      31148     1044         45          21   Freenet Ltd.
      13188     1038         97          69   TOV "Bank-Inform"
      12479      908        864          83   France Telecom Espana SA
       8551      886        373          48   Bezeq International-Ltd
       6830      853       2344         451   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     3216        525         183   Telmex Colombia S.A.
      28573     2349       2179         119   NET Serviços de Comunicação S
       7303     1654       1042         241   Telecom Argentina S.A.
       6147     1623        374          30   Telefonica del Peru S.A.A.
       8151     1591       3189         454   Uninet S.A. de C.V.
       6503     1252        421          57   Axtel, S.A.B. de C.V.
       7738      999       1882          41   Telemar Norte Leste S.A.
      26615      983       2325          35   Tim Celular S.A.
       3816      923        418         154   COLOMBIA TELECOMUNICACIONES S
      18881      865       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     1708        958          13   TE-AS
      24863      964        284          27   Link Egypt (Link.NET)
      36903      493        248          88   Office National des Postes et
      36992      417       1229          32   ETISALAT MISR
      37492      302        155          72   Orange Tunisie
      24835      300        144           9   Vodafone Data
       3741      250        857         208   Internet Solutions
      29571      231         21          12   Cote d'Ivoire Telecom
      37054      199         19           6   Data Telecom Service
      36947      198        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     3216        525         183   Telmex Colombia S.A.
      22773     3015       2956         143   Cox Communications Inc.
       4766     2923      11557         912   Korea Telecom
       6389     2832       3688          51   BellSouth.net Inc.
      17974     2771        904          78   PT Telekomunikasi Indonesia
       3356     2559      10684         488   Level 3 Communications, Inc.
      39891     2472        128           6   SaudiNet, Saudi Telecom Compa
       7545     2374        336         128   TPG Telecom Limited
      28573     2349       2179         119   NET Serviços de Comunicação S
      18566     2040        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      3015        2872      Cox Communications Inc.
       6389      2832        2781      BellSouth.net Inc.
      17974      2771        2693      PT Telekomunikasi Indonesia
      39891      2472        2466      SaudiNet, Saudi Telecom Compa
       7545      2374        2246      TPG Telecom Limited
      28573      2349        2230      NET Serviços de Comunicação S
       3356      2559        2071      Level 3 Communications, Inc.
       4766      2923        2011      Korea Telecom
      18566      2040        1858      MegaPath Corporation
       4538      1908        1837      China Education and Research 
      
      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      /12:263     
      /13:506     /14:1002    /15:1711    /16:12959   /17:7204    /18:12224   
      /19:25351   /20:35848   /21:38596   /22:59112   /23:51410   /24:292432  
      /25:1132    /26:1133    /27:709     /28:14      /29:12      /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     2223          3015      Cox Communications Inc.
      18566     1996          2040      MegaPath Corporation
       6389     1654          2832      BellSouth.net Inc.
       6983     1402          1755      EarthLink, Inc.
      30036     1367          1523      Mediacom Communications Corp
      34984     1284          1964      TELLCOM ILETISIM HIZMETLERI A
       6147     1171          1623      Telefonica del Peru S.A.A.
      10620     1133          3216      Telmex Colombia S.A.
      11492     1106          1178      CABLE ONE, INC.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:1485      2:678       4:93        5:1758      6:23        8:1420   
        12:1824     13:10       14:1217     15:17       16:2        17:44     
        18:21       20:48       23:1210     24:1704     27:1890     31:1528   
        32:38       33:2        34:5        35:3        36:120      37:1895   
        38:1019     39:5        40:250      41:2989     42:282      43:1229   
        44:26       45:462      46:2138     47:39       49:819      50:801    
        52:12       54:73       55:5        56:8        57:37       58:1276   
        59:671      60:470      61:1745     62:1333     63:1917     64:4418   
        65:2249     66:4050     67:2063     68:1053     69:3254     70:956    
        71:448      72:1955     74:2654     75:324      76:406      77:1458   
        78:1185     79:797      80:1321     81:1348     82:816      83:688    
        84:713      85:1362     86:394      87:1066     88:510      89:1830   
        90:151      91:5990     92:828      93:2219     94:1990     95:2097   
        96:429      97:354      98:1055     99:49      100:68      101:830    
       103:7261    104:1597    105:61      106:246     107:940     108:621    
       109:2038    110:1081    111:1491    112:778     113:1101    114:821    
       115:1254    116:1329    117:1000    118:1798    119:1447    120:443    
       121:1045    122:2204    123:1793    124:1510    125:1587    128:532    
       129:379     130:390     131:1152    132:488     133:174     134:420    
       135:109     136:325     137:321     138:630     139:152     140:225    
       141:424     142:661     143:525     144:575     145:115     146:699    
       147:601     148:1131    149:435     150:573     151:610     152:491    
       153:242     154:471     155:840     156:407     157:463     158:321    
       159:995     160:380     161:647     162:1961    163:423     164:673    
       165:689     166:299     167:808     168:1289    169:164     170:1468   
       171:241     172:41      173:1531    174:703     175:681     176:1406   
       177:3747    178:2135    179:889     180:1940    181:1678    182:1746   
       183:620     184:741     185:3353    186:2707    187:1773    188:2019   
       189:1574    190:7696    191:937     192:8290    193:5583    194:4127   
       195:3652    196:1690    197:1054    198:5531    199:5530    200:6634   
       201:3063    202:9463    203:9100    204:4680    205:2835    206:3085   
       207:2980    208:3942    209:3958    210:3542    211:1860    212:2470   
       213:2294    214:862     215:71      216:5554    217:1806    218:685    
       219:456     220:1412    221:788     222:465     223:670    
      
      End of report