Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 5 18:11:18 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 06 Feb, 2016

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

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

BGP routing table entries examined:                              579829
    Prefixes after maximum aggregation (per Origin AS):          214286
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      283493
Total ASes present in the Internet Routing Table:                 52687
    Prefixes per ASN:                                             11.01
Origin-only ASes present in the Internet Routing Table:           36566
Origin ASes announcing only one prefix:                           15809
Transit ASes present in the Internet Routing Table:                6420
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:              1025
    Unregistered ASNs in the Routing Table:                         366
Number of 32-bit ASNs allocated by the RIRs:                      12626
Number of 32-bit ASNs visible in the Routing Table:                9701
Prefixes from 32-bit ASNs in the Routing Table:                   37199
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:            426
Number of addresses announced to Internet:                   2803186500
    Equivalent to 167 /8s, 21 /16s and 59 /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:      190503

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

Prefixes being announced by APNIC Region ASes:                   148486
    Total APNIC prefixes after maximum aggregation:               40921
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          157427
    Unique aggregates announced from the APNIC address blocks:    63676
APNIC Region origin ASes present in the Internet Routing Table:    5133
    APNIC Prefixes per ASN:                                       30.67
APNIC Region origin ASes announcing only one prefix:               1186
APNIC Region transit ASes present in the Internet Routing Table:    900
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:   1850
Number of APNIC addresses announced to Internet:              751833732
    Equivalent to 44 /8s, 208 /16s and 18 /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:                    179072
    Total ARIN prefixes after maximum aggregation:                88754
    ARIN Deaggregation factor:                                     2.02
Prefixes being announced from the ARIN address blocks:           183681
    Unique aggregates announced from the ARIN address blocks:     87066
ARIN Region origin ASes present in the Internet Routing Table:    16412
    ARIN Prefixes per ASN:                                        11.19
ARIN Region origin ASes announcing only one prefix:                5897
ARIN Region transit ASes present in the Internet Routing Table:    1706
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:     987
Number of ARIN addresses announced to Internet:              1101651264
    Equivalent to 65 /8s, 169 /16s and 221 /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:                    139378
    Total RIPE prefixes after maximum aggregation:                69396
    RIPE Deaggregation factor:                                     2.01
Prefixes being announced from the RIPE address blocks:           147515
    Unique aggregates announced from the RIPE address blocks:     91400
RIPE Region origin ASes present in the Internet Routing Table:    18044
    RIPE Prefixes per ASN:                                         8.18
RIPE Region origin ASes announcing only one prefix:                7942
RIPE Region transit ASes present in the Internet Routing Table:    3023
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:    4425
Number of RIPE addresses announced to Internet:               702822272
    Equivalent to 41 /8s, 228 /16s and 55 /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:                   61311
    Total LACNIC prefixes after maximum aggregation:              11995
    LACNIC Deaggregation factor:                                   5.11
Prefixes being announced from the LACNIC address blocks:          74693
    Unique aggregates announced from the LACNIC address blocks:   34773
LACNIC Region origin ASes present in the Internet Routing Table:   2467
    LACNIC Prefixes per ASN:                                      30.28
LACNIC Region origin ASes announcing only one prefix:               590
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:  2256
Number of LACNIC addresses announced to Internet:             170714368
    Equivalent to 10 /8s, 44 /16s and 229 /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:                  14306
    Total AfriNIC prefixes after maximum aggregation:              3180
    AfriNIC Deaggregation factor:                                  4.50
Prefixes being announced from the AfriNIC address blocks:         16087
    Unique aggregates announced from the AfriNIC address blocks:   6214
AfriNIC Region origin ASes present in the Internet Routing Table:   738
    AfriNIC Prefixes per ASN:                                     21.80
AfriNIC Region origin ASes announcing only one prefix:              194
AfriNIC Region transit ASes present in the Internet Routing Table:  170
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:  183
Number of AfriNIC addresses announced to Internet:             75766272
    Equivalent to 4 /8s, 132 /16s and 26 /24s
    Percentage of available AfriNIC address space announced:       75.3

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     3129      11144        1101   Korea Telecom
 7545     3048        347         165   TPG Telecom Limited
17974     2874        914          96   PT Telekomunikasi Indonesia
 9829     2330       1438         396   National Internet Backbone
 4755     2081        432         237   TATA Communications formerly 
 9808     1837       8717          29   Guangdong Mobile Communicatio
 4808     1619       2281         513   CNCGROUP IP network China169 
 9583     1516        121         560   Sify Limited
17488     1451        232         227   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     3302       2949         149   Cox Communications Inc.
 6389     2412       3687          42   BellSouth.net Inc.
18566     2210        394         278   MegaPath Corporation
20115     1909       1914         411   Charter Communications
 6983     1699        849         238   EarthLink, Inc.
30036     1677        334         327   Mediacom Communications Corp
 4323     1586       1023         395   tw telecom holdings, inc.
  209     1471       4340        1234   Qwest Communications Company,
  701     1393      11453         661   MCI Communications Services, 
11492     1249        237         601   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     2355        926        1680   Akamai International B.V.
34984     1945        322         414   TELLCOM ILETISIM HIZMETLERI A
 8551     1224        376          53   Bezeq International-Ltd
 8402     1150        544          15   OJSC "Vimpelcom"
12479     1141        982          75   France Telecom Espana SA
13188     1077         97          78   TOV "Bank-Inform"
31148     1041         47          41   Freenet Ltd.
 9198      910        352          24   JSC Kazakhtelecom
 6830      893       2712         463   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     3429        542         139   Telmex Colombia S.A.
 8151     2179       3391         526   Uninet S.A. de C.V.
 7303     1589        943         243   Telecom Argentina S.A.
11830     1437        366          25   Instituto Costarricense de El
 6503     1396        437          56   Axtel, S.A.B. de C.V.
 6147     1038        377          27   Telefonica del Peru S.A.A.
28573     1037       2171         155   NET Serviços de Comunicação S
 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     1342       1472          15   TE-AS
24863     1126        401          28   Link Egypt (Link.NET)
37611      597         40          46   Afrihost-Brevis Computer Serv
36903      552        278         103   Office National des Postes et
36992      453       1235          28   ETISALAT MISR
37492      358        215          64   Orange Tunisie
24835      332        146          12   Vodafone Data
29571      266         21          12   Cote d'Ivoire Telecom
37054      254         20           7   Data Telecom Service
 2018      225        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     3429        542         139   Telmex Colombia S.A.
22773     3302       2949         149   Cox Communications Inc.
 4766     3129      11144        1101   Korea Telecom
 7545     3048        347         165   TPG Telecom Limited
17974     2874        914          96   PT Telekomunikasi Indonesia
39891     2515        135           9   SaudiNet, Saudi Telecom Compa
 6389     2412       3687          42   BellSouth.net Inc.
20940     2355        926        1680   Akamai International B.V.
 9829     2330       1438         396   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      3429        3290      Telmex Colombia S.A.
22773      3302        3153      Cox Communications Inc.
 7545      3048        2883      TPG Telecom Limited
17974      2874        2778      PT Telekomunikasi Indonesia
39891      2515        2506      SaudiNet, Saudi Telecom Compa
 6389      2412        2370      BellSouth.net Inc.
 4766      3129        2028      Korea Telecom
 9829      2330        1934      National Internet Backbone
18566      2210        1932      MegaPath Corporation
 4755      2081        1844      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         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.
17033   UNALLOCATED  12.3.33.0/24          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     /14:1018    /15:1751    /16:12962   /17:7466    /18:12578   
/19:25687   /20:38019   /21:39893   /22:64306   /23:55295   /24:318342  
/25:541     /26:573     /27:396     /28:15      /29:16      /30:9       
/31:0       /32:21      

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

  ASN   No of nets  Total ann.   Description
22773     2482          3302      Cox Communications Inc.
39891     2472          2515      SaudiNet, Saudi Telecom Compa
18566     2112          2210      MegaPath Corporation
 6389     1531          2412      BellSouth.net Inc.
30036     1493          1677      Mediacom Communications Corp
 6983     1343          1699      EarthLink, Inc.
10620     1310          3429      Telmex Colombia S.A.
34984     1232          1945      TELLCOM ILETISIM HIZMETLERI A
11492     1157          1249      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)
----------------------------------------------

   1:1601      2:727       4:19        5:2086      6:26        8:907    
  12:1789     13:34       14:1590     15:23       16:2        17:58     
  18:20       20:48       22:1        23:1364     24:1739     27:2228   
  31:1723     32:54       33:2        34:2        35:4        36:212    
  37:2328     38:1162     39:23       40:81       41:3107     42:370    
  43:1667     44:41       45:1644     46:2396     47:67       49:1114   
  50:844      51:3        52:40       54:138      55:5        56:6      
  57:44       58:1475     59:855      60:543      61:1779     62:1427   
  63:1908     64:4440     65:2178     66:4079     67:2080     68:1100   
  69:3293     70:1044     71:463      72:1981     74:2542     75:358    
  76:420      77:1319     78:1275     79:799      80:1304     81:1361   
  82:869      83:670      84:794      85:1580     86:465      87:1040   
  88:547      89:1916     90:163      91:6020     92:863      93:2319   
  94:2279     95:2258     96:472      97:352      98:946      99:45     
 100:68      101:888     103:9584    104:2225    105:98      106:380    
 107:1131    108:651     109:2113    110:1247    111:1608    112:940    
 113:1199    114:1111    115:1616    116:1520    117:1402    118:2008   
 119:1542    120:511     121:1165    122:2261    123:1991    124:1602   
 125:1747    128:700     129:361     130:423     131:1286    132:598    
 133:173     134:448     135:120     136:347     137:330     138:1662   
 139:199     140:248     141:472     142:625     143:825     144:581    
 145:150     146:830     147:592     148:1470    149:456     150:648    
 151:825     152:592     153:268     154:559     155:896     156:462    
 157:425     158:343     159:1082    160:420     161:741     162:2263   
 163:524     164:721     165:1102    166:313     167:988     168:1474   
 169:585     170:1493    171:251     172:416     173:1610    174:712    
 175:857     176:1516    177:3934    178:2227    179:1078    180:2086   
 181:1639    182:1925    183:679     184:791     185:5632    186:3047   
 187:1951    188:2061    189:1754    190:7597    191:1254    192:8860   
 193:5724    194:4332    195:3707    196:1640    197:1313    198:5504   
 199:5561    200:6841    201:3692    202:9996    203:9376    204:4589   
 205:2712    206:2977    207:3038    208:4031    209:3893    210:3782   
 211:2005    212:2558    213:2153    214:825     215:72      216:5702   
 217:1878    218:740     219:560     220:1639    221:847     222:672    
 223:918    

End of report


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