Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 12 18:10:28 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 13 Feb, 2016

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

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

BGP routing table entries examined:                              581824
    Prefixes after maximum aggregation (per Origin AS):          214337
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      284114
Total ASes present in the Internet Routing Table:                 52719
    Prefixes per ASN:                                             11.04
Origin-only ASes present in the Internet Routing Table:           36572
Origin ASes announcing only one prefix:                           15807
Transit ASes present in the Internet Routing Table:                6405
Transit-only ASes present in the Internet Routing Table:            167
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 40285)                              34
Prefixes from unregistered ASNs in the Routing Table:              1054
    Unregistered ASNs in the Routing Table:                         384
Number of 32-bit ASNs allocated by the RIRs:                      12696
Number of 32-bit ASNs visible in the Routing Table:                9742
Prefixes from 32-bit ASNs in the Routing Table:                   37429
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            424
Number of addresses announced to Internet:                   2803803204
    Equivalent to 167 /8s, 30 /16s and 164 /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:      191360

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

Prefixes being announced by APNIC Region ASes:                   149013
    Total APNIC prefixes after maximum aggregation:               40951
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          158134
    Unique aggregates announced from the APNIC address blocks:    64047
APNIC Region origin ASes present in the Internet Routing Table:    5129
    APNIC Prefixes per ASN:                                       30.83
APNIC Region origin ASes announcing only one prefix:               1174
APNIC Region transit ASes present in the Internet Routing Table:    900
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   1850
Number of APNIC addresses announced to Internet:              751867524
    Equivalent to 44 /8s, 208 /16s and 150 /24s
    Percentage of available APNIC address space announced:         87.9

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 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:                    179133
    Total ARIN prefixes after maximum aggregation:                88591
    ARIN Deaggregation factor:                                     2.02
Prefixes being announced from the ARIN address blocks:           183852
    Unique aggregates announced from the ARIN address blocks:     87082
ARIN Region origin ASes present in the Internet Routing Table:    16412
    ARIN Prefixes per ASN:                                        11.20
ARIN Region origin ASes announcing only one prefix:                5905
ARIN Region transit ASes present in the Internet Routing Table:    1697
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:    1005
Number of ARIN addresses announced to Internet:              1101768512
    Equivalent to 65 /8s, 171 /16s and 167 /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:                    140206
    Total RIPE prefixes after maximum aggregation:                69514
    RIPE Deaggregation factor:                                     2.02
Prefixes being announced from the RIPE address blocks:           148360
    Unique aggregates announced from the RIPE address blocks:     91537
RIPE Region origin ASes present in the Internet Routing Table:    18049
    RIPE Prefixes per ASN:                                         8.22
RIPE Region origin ASes announcing only one prefix:                7952
RIPE Region transit ASes present in the Internet Routing Table:    3017
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:    4444
Number of RIPE addresses announced to Internet:               702807424
    Equivalent to 41 /8s, 227 /16s and 253 /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:                   61377
    Total LACNIC prefixes after maximum aggregation:              12042
    LACNIC Deaggregation factor:                                   5.10
Prefixes being announced from the LACNIC address blocks:          74732
    Unique aggregates announced from the LACNIC address blocks:   34869
LACNIC Region origin ASes present in the Internet Routing Table:   2456
    LACNIC Prefixes per ASN:                                      30.43
LACNIC Region origin ASes announcing only one prefix:               584
LACNIC Region transit ASes present in the Internet Routing Table:   546
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:  2254
Number of LACNIC addresses announced to Internet:             170650112
    Equivalent to 10 /8s, 43 /16s and 234 /24s
    Percentage of available LACNIC address space announced:       101.7

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:                  14514
    Total AfriNIC prefixes after maximum aggregation:              3198
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         16322
    Unique aggregates announced from the AfriNIC address blocks:   6218
AfriNIC Region origin ASes present in the Internet Routing Table:   738
    AfriNIC Prefixes per ASN:                                     22.12
AfriNIC Region origin ASes announcing only one prefix:              192
AfriNIC Region transit ASes present in the Internet Routing Table:  171
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  189
Number of AfriNIC addresses announced to Internet:             76293888
    Equivalent to 4 /8s, 140 /16s and 39 /24s
    Percentage of available AfriNIC address space announced:       75.8

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     5594       4192          76   China Education and Research 
 4766     3130      11127        1103   Korea Telecom
 7545     3054        350         175   TPG Telecom Limited
17974     2885        914          96   PT Telekomunikasi Indonesia
 9829     2354       1444         411   National Internet Backbone
 4755     2084        432         237   TATA Communications formerly 
 9808     1837       8717          29   Guangdong Mobile Communicatio
 4808     1619       2281         513   CNCGROUP IP network China169 
 9583     1517        121         560   Sify Limited
17488     1437        229         234   Hathway IP Over Cable Interne

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     3295       2948         147   Cox Communications Inc.
 6389     2412       3687          42   BellSouth.net Inc.
18566     2214        394         278   MegaPath Corporation
20115     1909       1914         411   Charter Communications
 6983     1697        849         237   EarthLink, Inc.
30036     1697        339         289   Mediacom Communications Corp
 4323     1589       1023         395   tw telecom holdings, inc.
  209     1475       4340        1236   Qwest Communications Company,
  701     1393      11453         661   MCI Communications Services, 
11492     1245        232         602   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     2410        938        1724   Akamai International B.V.
34984     1948        322         417   TELLCOM ILETISIM HIZMETLERI A
 8551     1226        376          53   Bezeq International-Ltd
 8402     1152        544          15   OJSC "Vimpelcom"
12479     1142        982          75   France Telecom Espana SA
13188     1077         97          78   TOV "Bank-Inform"
31148     1041         47          41   Freenet Ltd.
 9198      954        352          24   JSC Kazakhtelecom
 6830      892       2712         462   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     3427        541         155   Telmex Colombia S.A.
 8151     2174       3388         521   Uninet S.A. de C.V.
 7303     1590        943         244   Telecom Argentina S.A.
11830     1439        366          25   Instituto Costarricense de El
 6503     1435        453          57   Axtel, S.A.B. de C.V.
28573     1042       2173         156   NET Serviços de Comunicação S
 6147     1027        377          27   Telefonica del Peru S.A.A.
 7738      994       1882          41   Telemar Norte Leste S.A.
26615      992       2325          34   Tim Celular S.A.
 3816      987        479         182   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     1416       1472          15   TE-AS
24863     1192        402          39   Link Egypt (Link.NET)
37611      608         41          45   Afrihost-Brevis Computer Serv
36903      552        278         103   Office National des Postes et
36992      484       1235          28   ETISALAT MISR
37492      356        215          64   Orange Tunisie
24835      332        146          12   Vodafone Data
29571      264         21          11   Cote d'Ivoire Telecom
37054      254         20           7   Data Telecom Service
 2018      237        323          73   TENET (The UNINET Project)

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     5594       4192          76   China Education and Research 
10620     3427        541         155   Telmex Colombia S.A.
22773     3295       2948         147   Cox Communications Inc.
 4766     3130      11127        1103   Korea Telecom
 7545     3054        350         175   TPG Telecom Limited
17974     2885        914          96   PT Telekomunikasi Indonesia
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
 6389     2412       3687          42   BellSouth.net Inc.
20940     2410        938        1724   Akamai International B.V.
 9829     2354       1444         411   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      3427        3272      Telmex Colombia S.A.
22773      3295        3148      Cox Communications Inc.
 7545      3054        2879      TPG Telecom Limited
17974      2885        2789      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2412        2370      BellSouth.net Inc.
 4766      3130        2027      Korea Telecom
 9829      2354        1943      National Internet Backbone
18566      2214        1936      MegaPath Corporation
 4755      2084        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
23.249.144.0/21      40430     colo4jax, LLC
23.249.152.0/21      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<<

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     /12:265     
/13:510     /14:1016    /15:1747    /16:12963   /17:7473    /18:12564   
/19:25689   /20:38058   /21:39949   /22:64484   /23:55439   /24:319911  
/25:548     /26:576     /27:404     /28:16      /29:16      /30:9       
/31:0       /32:21      

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

  ASN   No of nets  Total ann.   Description
22773     2480          3295      Cox Communications Inc.
39891     2472          2515      SaudiNet, Saudi Telecom Compa
18566     2116          2214      MegaPath Corporation
 6389     1531          2412      BellSouth.net Inc.
30036     1512          1697      Mediacom Communications Corp
 6983     1342          1697      EarthLink, Inc.
10620     1312          3427      Telmex Colombia S.A.
34984     1235          1948      TELLCOM ILETISIM HIZMETLERI A
11492     1154          1245      CABLE ONE, INC.
31148      960          1041      Freenet Ltd.

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

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

   1:1596      2:839       4:19        5:2099      6:26        8:906    
  12:1786     13:34       14:1620     15:23       16:2        17:58     
  18:20       20:48       23:1363     24:1735     27:2230     31:1744   
  32:54       33:2        34:2        35:4        36:214      37:2349   
  38:1173     39:23       40:82       41:3167     42:382      43:1676   
  44:41       45:1655     46:2411     47:68       49:1120     50:844    
  51:3        52:64       54:156      55:5        56:6        57:44     
  58:1485     59:857      60:541      61:1779     62:1438     63:1895   
  64:4449     65:2177     66:4093     67:2081     68:1102     69:3284   
  70:1042     71:463      72:1979     74:2544     75:359      76:420    
  77:1313     78:1277     79:825      80:1312     81:1361     82:883    
  83:668      84:799      85:1578     86:474      87:1040     88:557    
  89:1934     90:163      91:6041     92:846      93:2326     94:2351   
  95:2281     96:470      97:352      98:945      99:45      100:68     
 101:891     103:9659    104:2227    105:99      106:387     107:1131   
 108:651     109:2189    110:1257    111:1608    112:941     113:1210   
 114:1110    115:1625    116:1522    117:1401    118:2010    119:1555   
 120:510     121:1168    122:2263    123:1998    124:1607    125:1752   
 128:739     129:363     130:425     131:1286    132:607     133:173    
 134:449     135:121     136:349     137:325     138:1674    139:198    
 140:249     141:471     142:625     143:814     144:591     145:151    
 146:834     147:599     148:1473    149:459     150:648     151:823    
 152:593     153:270     154:567     155:901     156:469     157:422    
 158:346     159:1082    160:422     161:741     162:2266    163:526    
 164:722     165:1109    166:313     167:1002    168:1470    169:592    
 170:1496    171:251     172:447     173:1617    174:718     175:852    
 176:1517    177:3944    178:2230    179:1050    180:2082    181:1642   
 182:1934    183:679     184:786     185:5657    186:3014    187:1971   
 188:2064    189:1771    190:7634    191:1245    192:8870    193:5722   
 194:4331    195:3720    196:1650    197:1359    198:5504    199:5550   
 200:6866    201:3707    202:10105   203:9520    204:4597    205:2695   
 206:2968    207:3030    208:4030    209:3874    210:3916    211:2007   
 212:2649    213:2135    214:823     215:72      216:5704    217:1908   
 218:741     219:560     220:1640    221:848     222:673     223:916    


End of report


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