Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 15 18:10:52 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 16 Aug, 2014

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

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

BGP routing table entries examined:                              507509
    Prefixes after maximum aggregation:                          196575
    Deaggregation factor:                                          2.58
    Unique aggregates announced to Internet:                     249334
Total ASes present in the Internet Routing Table:                 47477
    Prefixes per ASN:                                             10.69
Origin-only ASes present in the Internet Routing Table:           36058
Origin ASes announcing only one prefix:                           16386
Transit ASes present in the Internet Routing Table:                6134
Transit-only ASes present in the Internet Routing Table:            175
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:              1779
    Unregistered ASNs in the Routing Table:                         470
Number of 32-bit ASNs allocated by the RIRs:                       7204
Number of 32-bit ASNs visible in the Routing Table:                5285
Prefixes from 32-bit ASNs in the Routing Table:                   19068
Number of bogon 32-bit ASNs visible in the Routing Table:           535
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            417
Number of addresses announced to Internet:                   2711918852
    Equivalent to 161 /8s, 164 /16s and 153 /24s
    Percentage of available address space announced:               73.3
    Percentage of allocated address space announced:               73.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               96.8
Total number of prefixes smaller than registry allocations:      174269

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

Prefixes being announced by APNIC Region ASes:                   123030
    Total APNIC prefixes after maximum aggregation:               35904
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          126507
    Unique aggregates announced from the APNIC address blocks:    52010
APNIC Region origin ASes present in the Internet Routing Table:    4971
    APNIC Prefixes per ASN:                                       25.45
APNIC Region origin ASes announcing only one prefix:               1229
APNIC Region transit ASes present in the Internet Routing Table:    873
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1050
Number of APNIC addresses announced to Internet:              734277248
    Equivalent to 43 /8s, 196 /16s and 46 /24s
    Percentage of available APNIC address space announced:         85.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 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:                    170844
    Total ARIN prefixes after maximum aggregation:                84598
    ARIN Deaggregation factor:                                     2.02
Prefixes being announced from the ARIN address blocks:           172712
    Unique aggregates announced from the ARIN address blocks:     80555
ARIN Region origin ASes present in the Internet Routing Table:    16362
    ARIN Prefixes per ASN:                                        10.56
ARIN Region origin ASes announcing only one prefix:                6125
ARIN Region transit ASes present in the Internet Routing Table:    1698
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:     171
Number of ARIN addresses announced to Internet:              1091945216
    Equivalent to 65 /8s, 21 /16s and 195 /24s
    Percentage of available ARIN address space announced:          57.8

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:                    124601
    Total RIPE prefixes after maximum aggregation:                62933
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:           129392
    Unique aggregates announced from the RIPE address blocks:     81997
RIPE Region origin ASes present in the Internet Routing Table:    17702
    RIPE Prefixes per ASN:                                         7.31
RIPE Region origin ASes announcing only one prefix:                8235
RIPE Region transit ASes present in the Internet Routing Table:    2874
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:    2729
Number of RIPE addresses announced to Internet:               658888580
    Equivalent to 39 /8s, 69 /16s and 215 /24s
    Percentage of available RIPE address space announced:          95.8

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:                   58825
    Total LACNIC prefixes after maximum aggregation:              10369
    LACNIC Deaggregation factor:                                   5.67
Prefixes being announced from the LACNIC address blocks:          66665
    Unique aggregates announced from the LACNIC address blocks:   29888
LACNIC Region origin ASes present in the Internet Routing Table:   2223
    LACNIC Prefixes per ASN:                                      29.99
LACNIC Region origin ASes announcing only one prefix:               581
LACNIC Region transit ASes present in the Internet Routing Table:   450
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1286
Number of LACNIC addresses announced to Internet:             167946496
    Equivalent to 10 /8s, 2 /16s and 169 /24s
    Percentage of available LACNIC address space announced:       100.1

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:                  11052
    Total AfriNIC prefixes after maximum aggregation:              2733
    AfriNIC Deaggregation factor:                                  4.04
Prefixes being announced from the AfriNIC address blocks:         11816
    Unique aggregates announced from the AfriNIC address blocks:   4540
AfriNIC Region origin ASes present in the Internet Routing Table:   733
    AfriNIC Prefixes per ASN:                                     16.12
AfriNIC Region origin ASes announcing only one prefix:              216
AfriNIC Region transit ASes present in the Internet Routing Table:  162
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   49
Number of AfriNIC addresses announced to Internet:             58431744
    Equivalent to 3 /8s, 123 /16s and 153 /24s
    Percentage of available AfriNIC address space announced:       58.0

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2952      11590         920   Korea Telecom
17974     2812        901          75   PT Telekomunikasi Indonesia
 7545     2322        336         120   TPG Telecom Limited
 4755     1872        393         200   TATA Communications formerly 
 9829     1654       1307          32   National Internet Backbone
 9583     1315        104         537   Sify Limited
 9498     1300        317          93   BHARTI Airtel Ltd.
 7552     1238       1098          14   Viettel Corporation
 4808     1215       2159         371   CNCGROUP IP network China169 
24560     1162        403         189   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
 7029     3165       1958         305   Windstream Communications Inc
 6389     2938       3688          51   BellSouth.net Inc.
22773     2937       2940         142   Cox Communications Inc.
18566     2047        379         178   MegaPath Corporation
20115     1758       1744         530   Charter Communications
 4323     1631       1072         411   tw telecom holdings, inc.
30036     1527        319         580   Mediacom Communications Corp
  701     1439      11227         724   MCI Communications Services, 
 6983     1434        817         313   ITC^Deltacom
22561     1307        407         235   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     1736        298         282   TELLCOM ILETISIM HIZMETLERI A
20940     1460        567        1075   Akamai International B.V.
 8402     1289        544          15   OJSC "Vimpelcom"
13188     1049         97          53   TOV "Bank-Inform"
31148     1043         45          21   Freenet Ltd.
 8551      988        371          41   Bezeq International-Ltd
 6849      790        356          27   JSC "Ukrtelecom"
12479      775        798          58   France Telecom Espana SA
 6830      772       2334         427   Liberty Global Operations B.V
 9198      605        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     3727       2046         108   NET Serviços de Comunicação S
10620     2943        476         228   Telmex Colombia S.A.
18881     2068       1036          22   Global Village Telecom
 7303     1770       1179         231   Telecom Argentina S.A.
 8151     1448       2988         426   Uninet S.A. de C.V.
 6503     1091        434          60   Axtel, S.A.B. de C.V.
 6147     1049        374          29   Telefonica del Peru S.A.A.
 7738      977       1882          41   Telemar Norte Leste S.A.
27947      898        130          51   Telconet S.A
26615      869       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
24863      932        280          26   Link Egypt (Link.NET)
 6713      669        744          37   Office National des Postes et
 8452      593        958          13   TE-AS
24835      307        144           9   Vodafone Data
36992      300        784          26   ETISALAT MISR
 3741      249        920         212   Internet Solutions
29571      237         22          17   Cote d'Ivoire Telecom
37054      236         19           6   Data Telecom Service
15706      187         32           6   Sudatel (Sudan Telecom Co. Lt
12258      175         26          72   MWEB CONNECT (PROPRIETARY) LI

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     3727       2046         108   NET Serviços de Comunicação S
 7029     3165       1958         305   Windstream Communications Inc
 4766     2952      11590         920   Korea Telecom
10620     2943        476         228   Telmex Colombia S.A.
 6389     2938       3688          51   BellSouth.net Inc.
22773     2937       2940         142   Cox Communications Inc.
17974     2812        901          75   PT Telekomunikasi Indonesia
 7545     2322        336         120   TPG Telecom Limited
18881     2068       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      2938        2887      BellSouth.net Inc.
 7029      3165        2860      Windstream Communications Inc
22773      2937        2795      Cox Communications Inc.
17974      2812        2737      PT Telekomunikasi Indonesia
10620      2943        2715      Telmex Colombia S.A.
 7545      2322        2202      TPG Telecom Limited
18881      2068        2046      Global Village Telecom
 4766      2952        2032      Korea Telecom
18566      2047        1869      MegaPath Corporation
 4755      1872        1672      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         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
55020   UNALLOCATED  8.30.123.0/24         3356       Level 3 Communicatio
27205   UNALLOCATED  8.38.16.0/21          3356       Level 3 Communicatio
15347   UNALLOCATED  8.224.147.0/24       12064       Cox Communications I
33628   UNALLOCATED  12.0.239.0/24         1239       Sprint

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

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

Network            Origin AS  Description
24.231.96.0/24       21548     MTO Telecom Inc.
27.100.7.0/24        56096     >>UNKNOWN<<
41.70.8.0/21         37098     globe internet limited
41.70.16.0/20        37098     globe internet limited
41.70.40.0/21        37098     globe internet limited
41.70.64.0/21        37098     globe internet limited
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<<

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     
/13:498     /14:983     /15:1707    /16:13044   /17:7016    /18:11716   
/19:24689   /20:35142   /21:37581   /22:54586   /23:47878   /24:270181  
/25:803     /26:818     /27:404     /28:12      /29:17      /30:10      
/31:1       /32:14      

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

  ASN   No of nets  Total ann.   Description
22773     2173          2937      Cox Communications Inc.
18566     2002          2047      MegaPath Corporation
 7029     1704          3165      Windstream Communications Inc
 6389     1691          2938      BellSouth.net Inc.
30036     1376          1527      Mediacom Communications Corp
11492     1192          1240      CABLE ONE, INC.
 6983     1141          1434      ITC^Deltacom
34984     1057          1736      TELLCOM ILETISIM HIZMETLERI A
10620     1033          2943      Telmex Colombia S.A.
 8402     1008          1289      OJSC "Vimpelcom"

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

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

   1:1320      2:661       3:3         4:15        5:1066      6:21     
   8:724      12:1859     13:4        14:1108     15:15       16:2      
  17:40       18:21       19:1        20:53       23:894      24:1811   
  27:1792     31:1470     32:41       33:2        34:5        36:141    
  37:1840     38:965      39:10       40:210      41:2583     42:266    
  43:184      44:16       45:52       46:2165     47:24       49:733    
  50:817      52:12       54:48       55:4        56:4        57:32     
  58:1247     59:631      60:425      61:1599     62:1239     63:1856   
  64:4416     65:2303     66:4217     67:2058     68:1040     69:3338   
  70:901      71:464      72:2103     74:2623     75:337      76:412    
  77:1620     78:801      79:722      80:1314     81:1212     82:759    
  83:770      84:766      85:1321     86:422      87:1142     88:463    
  89:1780     90:136      91:5699     92:754      93:1767     94:2018   
  95:1603     96:510      97:362      98:1126     99:49      100:65     
 101:709     103:5398    104:194     105:37      106:178     107:593    
 108:582     109:2011    110:1027    111:1348    112:687     113:860    
 114:783     115:1110    116:1118    117:933     118:1529    119:1424   
 120:418     121:862     122:2168    123:1604    124:1435    125:1561   
 128:573     129:346     130:363     131:716     132:412     133:162    
 134:317     135:74      136:300     137:286     138:390     139:172    
 140:228     141:391     142:562     143:428     144:505     145:116    
 146:621     147:506     148:954     149:397     150:432     151:598    
 152:452     153:219     154:326     155:516     156:354     157:329    
 158:275     159:938     160:329     161:576     162:1695    163:337    
 164:694     165:640     166:346     167:670     168:1113    169:124    
 170:1385    171:181     172:64      173:1519    174:711     175:609    
 176:1475    177:3417    178:2051    179:781     180:1789    181:1360   
 182:1621    183:540     184:692     185:1943    186:2929    187:1643   
 188:2192    189:1464    190:7668    191:691     192:7483    193:5504   
 194:4062    195:3561    196:1433    197:681     198:5130    199:5559   
 200:6360    201:2783    202:9181    203:9015    204:4549    205:2665   
 206:2975    207:2951    208:3963    209:3801    210:3286    211:1836   
 212:2341    213:2125    214:871     215:87      216:5709    217:1682   
 218:616     219:385     220:1370    221:641     222:480     223:596    


End of report


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