asn.dev

Address space

AS151185 CT-XIANGYANG-IDC2 China Telecom

IPv4 prefixes 18 76.54K addresses
IPv6 prefixes 9
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/17
/17: 1
1
/18
/18: 1
1
/20
/20: 4
4
/21
/21: 3
3
/22
/22: 2
2
/23
/23: 4
4
/24
/24: 3
3

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6
/38
/38: 1
1
/40
/40: 3
3
/48
/48: 5
5

Geography

Where the space lands

CountryNamePrefixes
CNChina27

Inventory

All prefixes

27 total
PrefixFamilyAddressesCountryFlags
43.226.49.0/24IPv4256CN
43.227.68.0/24IPv4256CN
43.227.80.0/20IPv44,096CN
61.184.0.0/20IPv44,096CN
61.184.16.0/21IPv42,048CN
103.45.145.0/24IPv4256CN
103.45.146.0/23IPv4512CN
103.45.148.0/22IPv41,024CN
103.45.152.0/21IPv42,048CN
111.170.0.0/18IPv416,384CN
111.170.128.0/23IPv4512CN
111.170.130.0/23IPv4512CN
111.170.132.0/22IPv41,024CN
111.170.136.0/21IPv42,048CN
111.170.144.0/20IPv44,096CN
111.170.160.0/20IPv44,096CN
111.170.232.0/23IPv4512CN
171.80.0.0/17IPv432,768CN
2401:5c20:10::/48IPv6CN
240e:105:f100::/40IPv6CN
240e:108:1162::/48IPv6CN
240e:108:1166::/48IPv6CN
240e:108:4306::/48IPv6CN
240e:108:4b06::/48IPv6CN
240e:95d:c00::/38IPv6CN
240e:982:6200::/40IPv6CN
240e:982:6600::/40IPv6CN