asn.dev

Address space

AS138421 CU-CN-AS China Unicom

IPv4 prefixes 122 73.98K addresses
IPv6 prefixes 25
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 2
2
/21
/21: 7
7
/22
/22: 19
19
/23
/23: 31
31
/24
/24: 63
63

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
/42
/42: 2
2
/43
/43: 6
6
/44
/44: 13
13
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
CNChina147

Inventory

All prefixes

147 total
PrefixFamilyAddressesCountryFlags
43.240.125.0/24IPv4256CN
43.240.128.0/22IPv41,024CN
43.254.104.0/23IPv4512CN
43.254.144.0/21IPv42,048CN
45.253.24.0/22IPv41,024CN
45.253.32.0/24IPv4256CN
58.246.165.0/24IPv4256CN
58.246.207.0/24IPv4256CN
58.247.254.0/23IPv4512CN
103.36.174.0/23IPv4512CN
103.68.128.0/22IPv41,024CN
103.220.164.0/22IPv41,024CN
103.222.40.0/22IPv41,024CN
112.64.32.0/22IPv41,024CN
112.64.45.0/24IPv4256CN
112.64.64.0/24IPv4256CN
112.64.112.0/23IPv4512CN
112.64.115.0/24IPv4256CN
112.64.215.0/24IPv4256CN
112.65.64.0/24IPv4256CN
112.65.66.0/24IPv4256CN
112.65.72.0/22IPv41,024CN
112.65.94.0/24IPv4256CN
112.65.112.0/24IPv4256CN
112.65.116.0/23IPv4512CN
112.65.216.0/23IPv4512CN
112.65.219.0/24IPv4256CN
112.65.220.0/24IPv4256CN
112.65.222.0/23IPv4512CN
112.65.224.0/21IPv42,048CN
112.65.232.0/23IPv4512CN
112.65.235.0/24IPv4256CN
112.65.237.0/24IPv4256CN
112.65.238.0/24IPv4256CN
112.65.240.0/20IPv44,096CN
116.128.149.0/24IPv4256CN
116.128.189.0/24IPv4256CN
116.128.190.0/23IPv4512CN
139.227.231.0/24IPv4256CN
140.206.167.0/24IPv4256CN
140.206.200.0/22IPv41,024CN
140.206.204.0/24IPv4256CN
140.206.208.0/23IPv4512CN
140.207.208.0/21IPv42,048CN
140.206.211.0/24IPv4256CN
140.206.212.0/22IPv41,024CN
140.206.216.0/22IPv41,024CN
140.206.228.0/22IPv41,024CN
140.206.232.0/24IPv4256CN
140.206.234.0/24IPv4256CN
140.206.238.0/24IPv4256CN
140.206.240.0/22IPv41,024CN
140.206.244.0/24IPv4256CN
140.206.247.0/24IPv4256CN
140.207.69.0/24IPv4256CN
140.207.70.0/24IPv4256CN
140.207.72.0/23IPv4512CN
140.207.130.0/23IPv4512CN
140.207.134.0/23IPv4512CN
140.207.138.0/23IPv4512CN
140.207.140.0/23IPv4512CN
140.207.216.0/22IPv41,024CN
140.207.220.0/24IPv4256CN
140.207.221.0/24IPv4256CN
140.207.222.0/23IPv4512CN
140.207.224.0/21IPv42,048CN
140.207.233.0/24IPv4256CN
140.207.235.0/24IPv4256CN
140.207.237.0/24IPv4256CN
140.207.238.0/23IPv4512CN
140.207.240.0/23IPv4512CN
140.207.244.0/23IPv4512CN
140.207.246.0/24IPv4256CN
140.207.248.0/23IPv4512CN
140.207.251.0/24IPv4256CN
140.207.252.0/22IPv41,024CN
203.166.160.0/22IPv41,024CN
203.166.165.0/24IPv4256CN
203.166.166.0/24IPv4256CN
203.166.172.0/24IPv4256CN
203.166.177.0/24IPv4256CN
203.166.186.0/23IPv4512CN
203.166.188.0/23IPv4512CN
203.166.191.0/24IPv4256CN
210.22.165.0/24IPv4256CN
210.51.20.0/24IPv4256CN
210.51.23.0/24IPv4256CN
210.51.25.0/24IPv4256CN
210.51.26.0/23IPv4512CN
210.51.32.0/24IPv4256CN
210.51.34.0/24IPv4256CN
210.51.36.0/23IPv4512CN
210.51.38.0/24IPv4256CN
210.51.40.0/23IPv4512CN
210.51.46.0/23IPv4512CN
210.51.49.0/24IPv4256CN
210.51.50.0/23IPv4512CN
210.51.52.0/22IPv41,024CN
210.51.56.0/23IPv4512CN
210.51.59.0/24IPv4256CN
210.51.61.0/24IPv4256CN
210.51.62.0/23IPv4512CN
210.52.212.0/24IPv4256CN
211.95.22.0/24IPv4256CN
211.95.54.0/23IPv4512CN
211.95.60.0/24IPv4256CN
211.95.73.0/24IPv4256CN
211.95.75.0/24IPv4256CN
211.95.76.0/24IPv4256CN
211.95.79.0/24IPv4256CN
220.196.42.0/24IPv4256CN
220.196.53.0/24IPv4256CN
220.196.58.0/24IPv4256CN
220.196.88.0/21IPv42,048CN
220.196.164.0/22IPv41,024CN
220.196.168.0/21IPv42,048CN
220.196.180.0/22IPv41,024CN
220.196.184.0/21IPv42,048CN
220.196.240.0/20IPv44,096CN
223.167.85.0/24IPv4256CN
223.167.106.0/23IPv4512CN
223.167.108.0/22IPv41,024CN
2402:f140:ff11::/48IPv6—CN
2404:c940::/48IPv6—CN
2406:d440:ffff::/48IPv6—CN
2408:8000:9fff::/48IPv6—CN
2408:80f1::/44IPv6—CN
2408:80f1:40::/44IPv6—CN
2408:80f1:70::/44IPv6—CN
2408:80f1:110::/44IPv6—CN
2408:80f1:120::/44IPv6—CN
2408:80f1:160::/43IPv6—CN
2408:80f1:1c0::/43IPv6—CN
2408:80f1:1e0::/44IPv6—CN
2408:80f1:220::/44IPv6—CN
2408:80f1:240::/44IPv6—CN
2408:870c::/44IPv6—CN
2408:870c:20::/44IPv6—CN
2408:870c:d0::/44IPv6—CN
2408:870c:e0::/43IPv6—CN
2408:870c:150::/44IPv6—CN
2408:870c:2020::/43IPv6—CN
2408:870c:2040::/43IPv6—CN
2408:870c:2070::/44IPv6—CN
2408:870c:2080::/42IPv6—CN
2408:870c:20c0::/43IPv6—CN
2408:870c:3000::/42IPv6—CN