Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 11 18:12:03 UTC 2014


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 12 Jul, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              503164
    Prefixes after maximum aggregation:                          195513
    Deaggregation factor:                                          2.57
    Unique aggregates announced to Internet:                     247724
Total ASes present in the Internet Routing Table:                 47246
    Prefixes per ASN:                                             10.65
Origin-only ASes present in the Internet Routing Table:           35956
Origin ASes announcing only one prefix:                           16342
Transit ASes present in the Internet Routing Table:                6120
Transit-only ASes present in the Internet Routing Table:            172
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              1788
    Unregistered ASNs in the Routing Table:                         482
Number of 32-bit ASNs allocated by the RIRs:                       7001
Number of 32-bit ASNs visible in the Routing Table:                5170
Prefixes from 32-bit ASNs in the Routing Table:                   18371
Number of bogon 32-bit ASNs visible in the Routing Table:           347
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            415
Number of addresses announced to Internet:                   2707601764
    Equivalent to 161 /8s, 98 /16s and 185 /24s
    Percentage of available address space announced:               73.1
    Percentage of allocated address space announced:               73.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.6
Total number of prefixes smaller than registry allocations:      173889

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   121252
    Total APNIC prefixes after maximum aggregation:               35618
    APNIC Deaggregation factor:                                    3.40
Prefixes being announced from the APNIC address blocks:          124480
    Unique aggregates announced from the APNIC address blocks:    51637
APNIC Region origin ASes present in the Internet Routing Table:    4959
    APNIC Prefixes per ASN:                                       25.10
APNIC Region origin ASes announcing only one prefix:               1224
APNIC Region transit ASes present in the Internet Routing Table:    879
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         23
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1001
Number of APNIC addresses announced to Internet:              734683264
    Equivalent to 43 /8s, 202 /16s and 96 /24s
    Percentage of available APNIC address space announced:         85.9

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
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:                    168962
    Total ARIN prefixes after maximum aggregation:                84057
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           170799
    Unique aggregates announced from the ARIN address blocks:     79814
ARIN Region origin ASes present in the Internet Routing Table:    16322
    ARIN Prefixes per ASN:                                        10.46
ARIN Region origin ASes announcing only one prefix:                6110
ARIN Region transit ASes present in the Internet Routing Table:    1682
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:     139
Number of ARIN addresses announced to Internet:              1089677600
    Equivalent to 64 /8s, 243 /16s and 41 /24s
    Percentage of available ARIN address space announced:          57.6

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:                    124053
    Total RIPE prefixes after maximum aggregation:                62839
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:           128838
    Unique aggregates announced from the RIPE address blocks:     81548
RIPE Region origin ASes present in the Internet Routing Table:    17739
    RIPE Prefixes per ASN:                                         7.26
RIPE Region origin ASes announcing only one prefix:                8264
RIPE Region transit ASes present in the Internet Routing Table:    2878
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2727
Number of RIPE addresses announced to Internet:               658378628
    Equivalent to 39 /8s, 62 /16s and 15 /24s
    Percentage of available RIPE address space announced:          95.7

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, 196608-202239
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:                   58379
    Total LACNIC prefixes after maximum aggregation:              10247
    LACNIC Deaggregation factor:                                   5.70
Prefixes being announced from the LACNIC address blocks:          65862
    Unique aggregates announced from the LACNIC address blocks:   29896
LACNIC Region origin ASes present in the Internet Routing Table:   2140
    LACNIC Prefixes per ASN:                                      30.78
LACNIC Region origin ASes announcing only one prefix:               535
LACNIC Region transit ASes present in the Internet Routing Table:   448
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1259
Number of LACNIC addresses announced to Internet:             166714944
    Equivalent to 9 /8s, 239 /16s and 222 /24s
    Percentage of available LACNIC address space announced:        99.4

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus 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:                  12046
    Total AfriNIC prefixes after maximum aggregation:              2715
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         12770
    Unique aggregates announced from the AfriNIC address blocks:   4469
AfriNIC Region origin ASes present in the Internet Routing Table:   719
    AfriNIC Prefixes per ASN:                                     17.76
AfriNIC Region origin ASes announcing only one prefix:              209
AfriNIC Region transit ASes present in the Internet Routing Table:  156
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   44
Number of AfriNIC addresses announced to Internet:             57782272
    Equivalent to 3 /8s, 113 /16s and 176 /24s
    Percentage of available AfriNIC address space announced:       57.4

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     2968      11592         924   Korea Telecom
17974     2792        899          72   PT Telekomunikasi Indonesia
 7545     2326        320         118   TPG Telecom Limited
 4755     1857        392         197   TATA Communications formerly 
 9829     1655       1306          31   National Internet Backbone
 9583     1313        103         537   Sify Limited
 9498     1289        317          93   BHARTI Airtel Ltd.
 7552     1243       1098          14   Viettel Corporation
 4808     1205       1774         355   CNCGROUP IP network China169 
24560     1149        398         190   Bharti Airtel Ltd., Telemedia

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
 6389     2952       3688          53   BellSouth.net Inc.
22773     2717       2940         139   Cox Communications Inc.
 7029     2457       1905         304   Windstream Communications Inc
18566     2047        379         178   MegaPath Corporation
20115     1728       1716         567   Charter Communications
 4323     1629       1073         411   tw telecom holdings, inc.
30036     1472        316         609   Mediacom Communications Corp
  701     1440      11187         727   MCI Communications Services, 
 6983     1380        817         312   ITC^Deltacom
22561     1304        402         232   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
34984     1718        265         276   TELLCOM ILETISIM HIZMETLERI A
20940     1443        564        1063   Akamai International B.V.
 8402     1338        544          15   OJSC "Vimpelcom"
31148     1042         45          20   Freenet Ltd.
13188     1031        100          28   TOV "Bank-Inform"
 8551      964        370          41   Bezeq International-Ltd
 6849      818        356          26   JSC "Ukrtelecom"
 6830      772       2335         429   Liberty Global Operations B.V
12479      736        795          57   France Telecom Espana SA
 9198      588        346          28   JSC Kazakhtelecom

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
28573     3777       2027         103   NET Serviços de Comunicação S
10620     2915        472         212   Telmex Colombia S.A.
18881     2073       1036          22   Global Village Telecom
 7303     1769       1180         231   Telecom Argentina S.A.
 8151     1439       2967         419   Uninet S.A. de C.V.
 6503     1118        434          61   Axtel, S.A.B. de C.V.
 6147     1029        373          28   Telefonica del Peru S.A.A.
 7738      979       1882          41   Telemar Norte Leste S.A.
27947      895        130          53   Telconet S.A
26615      863       2325          35   Tim Celular S.A.

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
36998     1114        240           6   Sudanese Mobile Telephone (ZA
24863      913        280          26   Link Egypt (Link.NET)
 6713      672        744          40   Office National des Postes et
 8452      592        958          13   TE-AS
36992      309        784          25   ETISALAT MISR
24835      306        144           9   Vodafone Data
37054      258         19           6   Data Telecom Service
 3741      249        920         212   Internet Solutions
29571      232         22          18   Cote d'Ivoire Telecom
15706      187         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
28573     3777       2027         103   NET Serviços de Comunicação S
 4766     2968      11592         924   Korea Telecom
 6389     2952       3688          53   BellSouth.net Inc.
10620     2915        472         212   Telmex Colombia S.A.
17974     2792        899          72   PT Telekomunikasi Indonesia
22773     2717       2940         139   Cox Communications Inc.
 7029     2457       1905         304   Windstream Communications Inc
 7545     2326        320         118   TPG Telecom Limited
18881     2073       1036          22   Global Village Telecom
18566     2047        379         178   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
 6389      2952        2899      BellSouth.net Inc.
17974      2792        2720      PT Telekomunikasi Indonesia
10620      2915        2703      Telmex Colombia S.A.
22773      2717        2578      Cox Communications Inc.
 7545      2326        2208      TPG Telecom Limited
 7029      2457        2153      Windstream Communications Inc
18881      2073        2051      Global Village Telecom
 4766      2968        2044      Korea Telecom
18566      2047        1869      MegaPath Corporation
 4755      1857        1660      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
65456   PRIVATE      5.109.32.0/19        23456       32bit Transition AS
65456   PRIVATE      5.109.96.0/19        23456       32bit Transition AS
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         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

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
23.226.240.0/20      40430     colo4jax, LLC
23.226.240.0/21      40430     colo4jax, LLC
23.226.248.0/21      40430     colo4jax, LLC
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<

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      /10:30      /11:91      /12:259     
/13:494     /14:975     /15:1701    /16:13010   /17:6988    /18:11685   
/19:24688   /20:35018   /21:37396   /22:53928   /23:47268   /24:267375  
/25:840     /26:946     /27:389     /28:13      /29:17      /30:10      
/31:1       /32:13      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2002          2047      MegaPath Corporation
22773     1960          2717      Cox Communications Inc.
 6389     1693          2952      BellSouth.net Inc.
30036     1314          1472      Mediacom Communications Corp
 7029     1278          2457      Windstream Communications Inc
11492     1189          1240      CABLE ONE, INC.
 6983     1088          1380      ITC^Deltacom
36998     1080          1114      Sudanese Mobile Telephone (ZA
34984     1046          1718      TELLCOM ILETISIM HIZMETLERI A
 8402     1033          1338      OJSC "Vimpelcom"

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1163      2:657       3:3         4:15        5:1033      6:19     
   8:713      12:1830     13:4        14:1101     15:15       16:2      
  17:38       18:21       20:37       23:889      24:1756     27:1713   
  31:1499     32:41       33:2        34:5        36:138      37:1814   
  38:952      39:7        40:204      41:3155     42:253      43:117    
  44:13       45:35       46:2074     47:22       49:726      50:810    
  52:12       54:46       55:6        56:1        57:29       58:1173   
  59:616      60:416      61:1577     62:1252     63:1861     64:4378   
  65:2286     66:4159     67:2061     68:1078     69:3340     70:887    
  71:441      72:2009     74:2630     75:318      76:410      77:1663   
  78:835      79:698      80:1321     81:1207     82:768      83:767    
  84:747      85:1313     86:426      87:1177     88:463      89:1791   
  90:138      91:5701     92:721      93:1752     94:1993     95:1581   
  96:499      97:360      98:1093     99:49      100:64      101:941    
 103:5235    104:42      105:545     106:180     107:573     108:576    
 109:2048    110:993     111:1345    112:671     113:852     114:805    
 115:1137    116:1093    117:964     118:1495    119:1415    120:412    
 121:848     122:2112    123:1405    124:1417    125:1543    128:573    
 129:339     130:351     131:655     132:417     133:162     134:318    
 135:74      136:286     137:287     138:366     139:165     140:204    
 141:385     142:568     143:403     144:511     145:106     146:652    
 147:482     148:905     149:386     150:344     151:712     152:444    
 153:221     154:306     155:515     156:355     157:341     158:250    
 159:910     160:328     161:565     162:1601    163:304     164:696    
 165:626     166:291     167:649     168:1059    169:124     170:1356   
 171:185     172:65      173:1502    174:718     175:600     176:1391   
 177:3276    178:2058    179:766     180:1760    181:1281    182:1598   
 183:536     184:732     185:1861    186:2876    187:1628    188:2137   
 189:1487    190:7663    191:629     192:7402    193:5516    194:4046   
 195:3517    196:1413    197:676     198:5093    199:5513    200:6313   
 201:2676    202:9127    203:8953    204:4589    205:2636    206:2964   
 207:2969    208:3963    209:3734    210:3098    211:1723    212:2311   
 213:2110    214:870     215:87      216:5613    217:1685    218:613    
 219:330     220:1285    221:626     222:353     223:594    

End of report


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