Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 19 18:11:16 UTC 2016


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,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

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 20 Feb, 2016

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

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

BGP routing table entries examined:                              583532
    Prefixes after maximum aggregation (per Origin AS):          214790
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      284652
Total ASes present in the Internet Routing Table:                 52842
    Prefixes per ASN:                                             11.04
Origin-only ASes present in the Internet Routing Table:           36589
Origin ASes announcing only one prefix:                           15801
Transit ASes present in the Internet Routing Table:                6414
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:              1035
    Unregistered ASNs in the Routing Table:                         384
Number of 32-bit ASNs allocated by the RIRs:                      12764
Number of 32-bit ASNs visible in the Routing Table:                9839
Prefixes from 32-bit ASNs in the Routing Table:                   38235
Number of bogon 32-bit ASNs visible in the Routing Table:           408
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            403
Number of addresses announced to Internet:                   2804172612
    Equivalent to 167 /8s, 36 /16s and 71 /24s
    Percentage of available address space announced:               75.7
    Percentage of allocated address space announced:               75.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.0
Total number of prefixes smaller than registry allocations:      192117

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

Prefixes being announced by APNIC Region ASes:                   149631
    Total APNIC prefixes after maximum aggregation:               41099
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          158901
    Unique aggregates announced from the APNIC address blocks:    64226
APNIC Region origin ASes present in the Internet Routing Table:    5137
    APNIC Prefixes per ASN:                                       30.93
APNIC Region origin ASes announcing only one prefix:               1178
APNIC Region transit ASes present in the Internet Routing Table:    901
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1870
Number of APNIC addresses announced to Internet:              751381380
    Equivalent to 44 /8s, 201 /16s and 43 /24s
    Percentage of available APNIC address space announced:         87.8

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 131072-135580
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    178824
    Total ARIN prefixes after maximum aggregation:                88813
    ARIN Deaggregation factor:                                     2.01
Prefixes being announced from the ARIN address blocks:           183967
    Unique aggregates announced from the ARIN address blocks:     87171
ARIN Region origin ASes present in the Internet Routing Table:    16417
    ARIN Prefixes per ASN:                                        11.21
ARIN Region origin ASes announcing only one prefix:                5894
ARIN Region transit ASes present in the Internet Routing Table:    1702
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          37
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1019
Number of ARIN addresses announced to Internet:              1101870912
    Equivalent to 65 /8s, 173 /16s and 55 /24s
    Percentage of available ARIN address space announced:          58.3

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, 64198-64296, 393216-395164
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    140657
    Total RIPE prefixes after maximum aggregation:                69507
    RIPE Deaggregation factor:                                     2.02
Prefixes being announced from the RIPE address blocks:           148984
    Unique aggregates announced from the RIPE address blocks:     91707
RIPE Region origin ASes present in the Internet Routing Table:    18052
    RIPE Prefixes per ASN:                                         8.25
RIPE Region origin ASes announcing only one prefix:                7953
RIPE Region transit ASes present in the Internet Routing Table:    3020
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    4479
Number of RIPE addresses announced to Internet:               702726784
    Equivalent to 41 /8s, 226 /16s and 194 /24s
    Percentage of available RIPE address space announced:         102.2

RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-204287
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   61411
    Total LACNIC prefixes after maximum aggregation:              12129
    LACNIC Deaggregation factor:                                   5.06
Prefixes being announced from the LACNIC address blocks:          74868
    Unique aggregates announced from the LACNIC address blocks:   34972
LACNIC Region origin ASes present in the Internet Routing Table:   2461
    LACNIC Prefixes per ASN:                                      30.42
LACNIC Region origin ASes announcing only one prefix:               582
LACNIC Region transit ASes present in the Internet Routing Table:   541
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        21
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2280
Number of LACNIC addresses announced to Internet:             170776064
    Equivalent to 10 /8s, 45 /16s and 214 /24s
    Percentage of available LACNIC address space announced:       101.8

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:                  14621
    Total AfriNIC prefixes after maximum aggregation:              3201
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         16409
    Unique aggregates announced from the AfriNIC address blocks:   6216
AfriNIC Region origin ASes present in the Internet Routing Table:   742
    AfriNIC Prefixes per ASN:                                     22.11
AfriNIC Region origin ASes announcing only one prefix:              194
AfriNIC Region transit ASes present in the Internet Routing Table:  175
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  191
Number of AfriNIC addresses announced to Internet:             76979712
    Equivalent to 4 /8s, 150 /16s and 158 /24s
    Percentage of available AfriNIC address space announced:       76.5

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
 4538     5595       4192          76   China Education and Research 
 7545     3128        350         177   TPG Telecom Limited
 4766     3120      11127        1101   Korea Telecom
17974     2891        914          96   PT Telekomunikasi Indonesia
 9829     2378       1447         423   National Internet Backbone
 4755     2087        432         240   TATA Communications formerly 
 9808     1837       8717          30   Guangdong Mobile Communicatio
 4808     1625       2284         518   CNCGROUP IP network China169 
45899     1576       1076         190   VNNIC
 9583     1521        121         557   Sify Limited

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     3288       2948         147   Cox Communications Inc.
 6389     2412       3687          42   BellSouth.net Inc.
18566     2211        394         276   MegaPath Corporation
20115     1912       1917         407   Charter Communications
30036     1709        340         270   Mediacom Communications Corp
 6983     1695        849         236   EarthLink, Inc.
 4323     1588       1023         393   tw telecom holdings, inc.
  209     1484       4487        1203   Qwest Communications Company,
  701     1394      11453         662   MCI Communications Services, 
11492     1259        236         586   CABLE ONE, INC.

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     2515        135           9   SaudiNet, Saudi Telecom Compa
20940     2383        924        1707   Akamai International B.V.
34984     1945        322         414   TELLCOM ILETISIM HIZMETLERI A
 8551     1226        376          53   Bezeq International-Ltd
 6849     1179        355          21   JSC "Ukrtelecom"
 8402     1141        544          15   OJSC "Vimpelcom"
12479     1137        979          76   France Telecom Espana SA
13188     1078         98          78   TOV "Bank-Inform"
31148     1041         47          41   Freenet Ltd.
 9198      963        352          25   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
10620     3428        540         152   Telmex Colombia S.A.
 8151     2172       3389         519   Uninet S.A. de C.V.
 7303     1588        944         240   Telecom Argentina S.A.
11830     1439        366          25   Instituto Costarricense de El
 6503     1433        437          56   Axtel, S.A.B. de C.V.
28573     1041       2177         155   NET Serviços de Comunicação S
 6147     1036        377          27   Telefonica del Peru S.A.A.
 7738      994       1882          41   Telemar Norte Leste S.A.
26615      994       2325          34   Tim Celular S.A.
 3816      984        477         191   COLOMBIA TELECOMUNICACIONES S

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     1419       1472          15   TE-AS
24863     1198        402          35   Link Egypt (Link.NET)
37611      626         42          44   Afrihost-Brevis Computer Serv
36903      584        294         104   Office National des Postes et
36992      500       1235          28   ETISALAT MISR
37492      356        215          64   Orange Tunisie
24835      332        146          12   Vodafone Data
29571      265         21          11   Cote d'Ivoire Telecom
 2018      250        327          74   TENET (The UNINET Project)
 3741      222        837         183   Internet Solutions

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
 4538     5595       4192          76   China Education and Research 
10620     3428        540         152   Telmex Colombia S.A.
22773     3288       2948         147   Cox Communications Inc.
 7545     3128        350         177   TPG Telecom Limited
 4766     3120      11127        1101   Korea Telecom
17974     2891        914          96   PT Telekomunikasi Indonesia
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
 6389     2412       3687          42   BellSouth.net Inc.
20940     2383        924        1707   Akamai International B.V.
 9829     2378       1447         423   National Internet Backbone

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
10620      3428        3276      Telmex Colombia S.A.
22773      3288        3141      Cox Communications Inc.
 7545      3128        2951      TPG Telecom Limited
17974      2891        2795      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2412        2370      BellSouth.net Inc.
 4766      3120        2019      Korea Telecom
 9829      2378        1955      National Internet Backbone
18566      2211        1935      MegaPath Corporation
 4755      2087        1847      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
65001   PRIVATE      5.143.176.0/20       15468       OJSC Rostelecom
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
46473   UNALLOCATED  8.27.122.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.124.0/24         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
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
23.226.112.0/20      62788     >>UNKNOWN<<
23.249.144.0/20      40430     colo4jax, LLC
27.100.7.0/24        56096     >>UNKNOWN<<
37.46.10.0/23        36351     SoftLayer Technologies Inc.
37.46.14.0/24        36351     SoftLayer Technologies Inc.
37.46.15.0/24        36351     SoftLayer Technologies Inc.
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.3.0/24         37004     >>UNKNOWN<<
41.73.4.0/24         37004     >>UNKNOWN<<

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:101     /12:266     
/13:511     /14:1024    /15:1757    /16:12978   /17:7498    /18:12597   
/19:25653   /20:37979   /21:40029   /22:64785   /23:55905   /24:320773  
/25:550     /26:586     /27:406     /28:18      /29:16      /30:13      
/31:0       /32:22      

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

  ASN   No of nets  Total ann.   Description
22773     2473          3288      Cox Communications Inc.
39891     2472          2515      SaudiNet, Saudi Telecom Compa
18566     2113          2211      MegaPath Corporation
 6389     1531          2412      BellSouth.net Inc.
30036     1524          1709      Mediacom Communications Corp
 6983     1341          1695      EarthLink, Inc.
10620     1315          3428      Telmex Colombia S.A.
34984     1234          1945      TELLCOM ILETISIM HIZMETLERI A
11492     1168          1259      CABLE ONE, INC.
 6849      997          1179      JSC "Ukrtelecom"

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

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

   1:1604      2:745       4:19        5:2104      6:27        8:908    
  12:1787     13:36       14:1650     15:23       16:2        17:68     
  18:20       20:46       23:1372     24:1739     27:2233     31:1731   
  32:54       33:2        34:2        35:4        36:227      37:2364   
  38:1176     39:23       40:85       41:3181     42:384      43:1670   
  44:41       45:1663     46:2409     47:68       49:1124     50:847    
  51:3        52:68       54:181      55:3        56:6        57:44     
  58:1498     59:856      60:557      61:1780     62:1444     63:1908   
  64:4459     65:2176     66:4082     67:2080     68:1104     69:3295   
  70:1041     71:464      72:1980     74:2541     75:357      76:421    
  77:1332     78:1284     79:830      80:1316     81:1366     82:883    
  83:669      84:801      85:1579     86:465      87:1042     88:564    
  89:1931     90:166      91:6025     92:849      93:2319     94:2362   
  95:2288     96:471      97:351      98:953      99:45      100:68     
 101:926     103:9746    104:2236    105:99      106:391     107:1130   
 108:651     109:2158    110:1258    111:1628    112:940     113:1257   
 114:1110    115:1667    116:1522    117:1404    118:2014    119:1562   
 120:511     121:1166    122:2233    123:2015    124:1616    125:1753   
 128:716     129:366     130:426     131:1259    132:598     133:173    
 134:449     135:122     136:351     137:335     138:1699    139:199    
 140:251     141:474     142:630     143:838     144:594     145:160    
 146:836     147:594     148:1473    149:462     150:648     151:824    
 152:598     153:270     154:583     155:904     156:469     157:424    
 158:343     159:1093    160:421     161:720     162:2272    163:528    
 164:728     165:1113    166:312     167:1004    168:1501    169:601    
 170:1490    171:255     172:437     173:1636    174:718     175:855    
 176:1517    177:3993    178:2228    179:1070    180:2084    181:1658   
 182:1935    183:680     184:787     185:5749    186:3057    187:1993   
 188:2076    189:1791    190:7650    191:1254    192:8863    193:5722   
 194:4351    195:3733    196:1656    197:1319    198:5489    199:5580   
 200:6806    201:3714    202:10110   203:9551    204:4594    205:2691   
 206:2973    207:3044    208:4031    209:3875    210:3939    211:2009   
 212:2646    213:2162    214:811     215:72      216:5712    217:1911   
 218:741     219:562     220:1646    221:850     222:677     223:921    


End of report


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