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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