asn.dev

Address space

AS17621 CNCGROUP-SH China Unicom Shanghai network

IPv4 prefixes 396 806K addresses
IPv6 prefixes 413
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/17
/17: 2
2
/18
/18: 7
7
/19
/19: 22
22
/20
/20: 43
43
/21
/21: 61
61
/22
/22: 72
72
/23
/23: 88
88
/24
/24: 101
101

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
/30
/30: 1
1
/31
/31: 4
4
/32
/32: 5
5
/33
/33: 6
6
/34
/34: 4
4
/35
/35: 7
7
/36
/36: 7
7
/37
/37: 18
18
/38
/38: 21
21
/39
/39: 23
23
/40
/40: 55
55
/41
/41: 28
28
/42
/42: 91
91
/43
/43: 61
61
/44
/44: 50
50
/45
/45: 8
8
/46
/46: 7
7
/47
/47: 9
9
/48
/48: 8
8

Geography

Where the space lands

CountryNamePrefixes
CNChina809

Inventory

All prefixes

showing 400 of 809
PrefixFamilyAddressesCountryFlags
27.115.0.0/18IPv416,384CN
27.115.64.0/20IPv44,096CN
27.115.81.0/24IPv4256CN
27.115.82.0/23IPv4512CN
27.115.84.0/22IPv41,024CN
27.115.88.0/21IPv42,048CN
27.115.96.0/20IPv44,096CN
27.115.112.0/21IPv42,048CN
27.115.120.0/22IPv41,024CN
27.115.124.0/24IPv4256CN
27.115.125.0/24IPv4256CN
27.115.126.0/23IPv4512CN
43.243.148.0/22IPv41,024CN
43.250.146.0/23IPv4512CN
43.254.224.0/22IPv41,024CN
58.246.0.0/18IPv416,384CN
58.246.64.0/19IPv48,192CN
58.246.96.0/19IPv48,192CN
58.246.128.0/19IPv48,192CN
58.246.160.0/23IPv4512CN
58.246.162.0/24IPv4256CN
58.246.164.0/24IPv4256CN
58.246.166.0/23IPv4512CN
58.246.168.0/21IPv42,048CN
58.246.176.0/20IPv44,096CN
58.246.192.0/21IPv42,048CN
58.246.200.0/22IPv41,024CN
58.246.204.0/23IPv4512CN
58.246.206.0/24IPv4256CN
58.246.208.0/21IPv42,048CN
58.246.216.0/22IPv41,024CN
58.246.224.0/19IPv48,192CN
58.247.0.0/20IPv44,096CN
58.247.16.0/22IPv41,024CN
58.247.20.0/23IPv4512CN
58.247.22.0/24IPv4256CN
58.247.23.0/24IPv4256CN
58.247.24.0/21IPv42,048CN
58.247.32.0/19IPv48,192CN
58.247.64.0/19IPv48,192CN
58.247.96.0/21IPv42,048CN
58.247.104.0/22IPv41,024CN
58.247.108.0/24IPv4256CN
58.247.109.0/24IPv4256CN
58.247.110.0/23IPv4512CN
58.247.112.0/22IPv41,024CN
58.247.116.0/23IPv4512CN
58.247.119.0/24IPv4256CN
58.247.120.0/21IPv42,048CN
58.247.128.0/18IPv416,384CN
58.247.192.0/21IPv42,048CN
58.247.200.0/22IPv41,024CN
58.247.208.0/22IPv41,024CN
58.247.216.0/21IPv42,048CN
58.247.224.0/20IPv44,096CN
58.247.240.0/21IPv42,048CN
58.247.248.0/22IPv41,024CN
58.247.252.0/23IPv4512CN
59.81.64.0/23IPv4512CN
59.81.106.0/23IPv4512CN
103.38.232.0/22IPv41,024CN
103.61.190.0/24IPv4256CN
103.108.244.0/24IPv4256CN
103.111.64.0/24IPv4256CN
103.140.14.0/23IPv4512CN
103.144.159.0/24IPv4256CN
103.164.32.0/24IPv4256CN
103.231.16.0/24IPv4256CN
103.234.131.0/24IPv4256CN
103.250.192.0/23IPv4512CN
103.250.194.0/23IPv4512CN
106.75.224.0/19IPv48,192CN
112.64.0.0/19IPv48,192CN
112.64.36.0/22IPv41,024CN
112.64.40.0/22IPv41,024CN
112.64.44.0/24IPv4256CN
112.64.46.0/23IPv4512CN
112.64.48.0/20IPv44,096CN
112.64.65.0/24IPv4256CN
112.64.66.0/23IPv4512CN
112.64.68.0/22IPv41,024CN
112.64.72.0/21IPv42,048CN
112.64.80.0/20IPv44,096CN
112.64.96.0/20IPv44,096CN
112.64.114.0/24IPv4256CN
112.64.116.0/22IPv41,024CN
112.64.120.0/21IPv42,048CN
112.64.128.0/21IPv42,048CN
112.64.136.0/22IPv41,024CN
112.64.140.0/23IPv4512CN
112.64.142.0/24IPv4256CN
112.64.144.0/20IPv44,096CN
112.64.160.0/19IPv48,192CN
112.64.192.0/20IPv44,096CN
112.64.208.0/22IPv41,024CN
112.64.212.0/23IPv4512CN
112.64.214.0/24IPv4256CN
112.64.216.0/21IPv42,048CN
112.64.224.0/21IPv42,048CN
112.64.232.0/23IPv4512CN
112.64.234.0/24IPv4256CN
112.64.238.0/23IPv4512CN
112.64.240.0/20IPv44,096CN
112.65.0.0/20IPv44,096CN
112.65.16.0/22IPv41,024CN
112.65.20.0/23IPv4512CN
112.65.22.0/24IPv4256CN
112.65.24.0/21IPv42,048CN
112.65.32.0/22IPv41,024CN
112.65.36.0/22IPv41,024CN
112.65.40.0/21IPv42,048CN
112.65.48.0/21IPv42,048CN
112.65.56.0/21IPv42,048CN
112.65.65.0/24IPv4256CN
112.65.67.0/24IPv4256CN
112.65.68.0/22IPv41,024CN
112.65.76.0/22IPv41,024CN
112.65.80.0/21IPv42,048CN
112.65.88.0/22IPv41,024CN
112.65.92.0/23IPv4512CN
112.65.95.0/24IPv4256CN
112.65.96.0/24IPv4256CN
112.65.97.0/24IPv4256CN
112.65.98.0/23IPv4512CN
112.65.100.0/22IPv41,024CN
112.65.104.0/21IPv42,048CN
112.65.113.0/24IPv4256CN
112.65.114.0/23IPv4512CN
112.65.118.0/23IPv4512CN
112.65.120.0/21IPv42,048CN
112.65.128.0/19IPv48,192CN
112.65.160.0/20IPv44,096CN
112.65.176.0/21IPv42,048CN
112.65.185.0/24IPv4256CN
112.65.186.0/23IPv4512CN
112.65.188.0/22IPv41,024CN
112.65.196.0/23IPv4512CN
112.65.198.0/23IPv4512CN
112.65.200.0/21IPv42,048CN
112.65.208.0/22IPv41,024CN
112.65.212.0/24IPv4256CN
112.65.213.0/24IPv4256CN
112.65.214.0/23IPv4512CN
112.65.218.0/24IPv4256CN
112.65.221.0/24IPv4256CN
112.65.234.0/24IPv4256CN
112.65.236.0/24IPv4256CN
112.65.239.0/24IPv4256CN
114.28.248.0/24IPv4256CN
116.66.48.0/23IPv4512CN
116.66.50.0/24IPv4256CN
116.66.53.0/24IPv4256CN
116.128.200.0/21IPv42,048CN
116.128.208.0/20IPv44,096CN
120.92.186.0/23IPv4512CN
120.136.168.0/21IPv42,048CN
120.136.176.0/22IPv41,024CN
139.226.0.0/18IPv416,384CN
139.226.64.0/18IPv416,384CN
139.226.128.0/17IPv432,768CN
139.227.0.0/17IPv432,768CN
139.227.128.0/19IPv48,192CN
139.227.160.0/22IPv41,024CN
139.227.164.0/23IPv4512CN
139.227.166.0/24IPv4256CN
139.227.167.0/24IPv4256CN
139.227.168.0/21IPv42,048CN
139.227.176.0/20IPv44,096CN
139.227.192.0/19IPv48,192CN
139.227.224.0/22IPv41,024CN
139.227.228.0/23IPv4512CN
139.227.230.0/24IPv4256CN
139.227.232.0/21IPv42,048CN
139.227.240.0/20IPv44,096CN
140.206.0.0/19IPv48,192CN
140.206.32.0/20IPv44,096CN
140.206.48.0/22IPv41,024CN
140.206.52.0/23IPv4512CN
140.206.54.0/24IPv4256CN
140.206.55.0/24IPv4256CN
140.206.56.0/21IPv42,048CN
140.206.64.0/18IPv416,384CN
140.206.128.0/19IPv48,192CN
140.206.168.0/21IPv42,048CN
140.206.176.0/20IPv44,096CN
140.206.192.0/21IPv42,048CN
140.206.205.0/24IPv4256CN
140.206.206.0/23IPv4512CN
140.206.210.0/24IPv4256CN
140.206.220.0/22IPv41,024CN
140.206.224.0/22IPv41,024CN
140.206.233.0/24IPv4256CN
140.206.235.0/24IPv4256CN
140.206.236.0/23IPv4512CN
140.206.239.0/24IPv4256CN
140.206.245.0/24IPv4256CN
140.206.246.0/24IPv4256CN
140.206.248.0/21IPv42,048CN
140.207.0.0/20IPv44,096CN
140.207.16.0/21IPv42,048CN
140.207.24.0/23IPv4512CN
140.207.29.0/24IPv4256CN
140.207.30.0/23IPv4512CN
140.207.32.0/20IPv44,096CN
140.207.48.0/22IPv41,024CN
140.207.52.0/23IPv4512CN
140.207.60.0/22IPv41,024CN
140.207.74.0/23IPv4512CN
140.207.76.0/22IPv41,024CN
140.207.80.0/20IPv44,096CN
140.207.96.0/23IPv4512CN
140.207.98.0/24IPv4256CN
140.207.99.0/24IPv4256CN
140.207.100.0/22IPv41,024CN
140.207.104.0/21IPv42,048CN
140.207.112.0/22IPv41,024CN
140.207.116.0/23IPv4512CN
140.207.132.0/23IPv4512CN
140.207.136.0/23IPv4512CN
140.207.142.0/23IPv4512CN
140.207.144.0/20IPv44,096CN
140.207.160.0/23IPv4512CN
140.207.162.0/23IPv4512CN
140.207.164.0/22IPv41,024CN
140.207.168.0/21IPv42,048CN
140.207.190.0/24IPv4256CN
140.207.192.0/22IPv41,024CN
140.207.196.0/22IPv41,024CN
140.207.200.0/21IPv42,048CN
140.207.232.0/24IPv4256CN
140.207.234.0/24IPv4256CN
140.207.236.0/24IPv4256CN
140.207.242.0/23IPv4512CN
140.207.247.0/24IPv4256CN
140.207.250.0/24IPv4256CN
175.102.20.0/22IPv41,024CN
175.102.24.0/21IPv42,048CN
182.175.224.0/24IPv4256CN
182.175.240.0/23IPv4512CN
194.138.203.0/24IPv4256CN
202.57.192.0/23IPv4512CN
202.136.218.0/24IPv4256CN
202.136.220.0/24IPv4256CN
202.136.222.0/23IPv4512CN
210.2.1.0/24IPv4256CN
210.22.64.0/19IPv48,192CN
210.22.96.0/20IPv44,096CN
210.22.112.0/22IPv41,024CN
210.22.118.0/23IPv4512CN
210.22.120.0/21IPv42,048CN
210.22.128.0/19IPv48,192CN
210.22.160.0/22IPv41,024CN
210.22.164.0/24IPv4256CN
210.22.166.0/23IPv4512CN
210.22.168.0/21IPv42,048CN
210.22.176.0/20IPv44,096CN
210.22.220.0/22IPv41,024CN
210.22.248.0/23IPv4512CN
210.22.250.0/23IPv4512CN
210.22.252.0/24IPv4256CN
210.22.254.0/23IPv4512CN
210.51.35.0/24IPv4256CN
210.51.42.0/24IPv4256CN
210.51.60.0/24IPv4256CN
210.52.213.0/24IPv4256CN
210.52.214.0/23IPv4512CN
210.52.216.0/23IPv4512CN
210.52.218.0/24IPv4256CN
210.52.219.0/24IPv4256CN
210.52.222.0/23IPv4512CN
211.95.0.0/20IPv44,096CN
211.95.16.0/22IPv41,024CN
211.95.20.0/23IPv4512CN
211.95.23.0/24IPv4256CN
211.95.24.0/21IPv42,048CN
211.95.33.0/24IPv4256CN
211.95.34.0/23IPv4512CN
211.95.36.0/23IPv4512CN
211.95.38.0/24IPv4256CN
211.95.39.0/24IPv4256CN
211.95.40.0/21IPv42,048CN
211.95.48.0/22IPv41,024CN
211.95.52.0/23IPv4512CN
211.95.56.0/22IPv41,024CN
211.95.61.0/24IPv4256CN
211.95.62.0/23IPv4512CN
211.95.64.0/21IPv42,048CN
211.95.72.0/24IPv4256CN
211.95.74.0/24IPv4256CN
211.95.77.0/24IPv4256CN
211.95.78.0/24IPv4256CN
211.95.80.0/20IPv44,096CN
211.95.96.0/19IPv48,192CN
211.144.192.0/20IPv44,096CN
218.96.127.0/24IPv4256CN
220.196.0.0/22IPv41,024CN
220.196.4.0/24IPv4256CN
220.196.7.0/24IPv4256CN
220.196.8.0/21IPv42,048CN
220.196.16.0/22IPv41,024CN
220.196.20.0/23IPv4512CN
220.196.22.0/24IPv4256CN
220.196.23.0/24IPv4256CN
220.196.24.0/21IPv42,048CN
220.196.32.0/21IPv42,048CN
220.196.40.0/23IPv4512CN
220.196.43.0/24IPv4256CN
220.196.44.0/23IPv4512CN
220.196.46.0/24IPv4256CN
220.196.48.0/22IPv41,024CN
220.196.52.0/24IPv4256CN
220.196.54.0/23IPv4512CN
220.196.56.0/23IPv4512CN
220.196.59.0/24IPv4256CN
220.196.60.0/22IPv41,024CN
220.196.64.0/20IPv44,096CN
220.196.82.0/23IPv4512CN
220.196.84.0/22IPv41,024CN
220.196.98.0/23IPv4512CN
220.196.100.0/22IPv41,024CN
220.196.104.0/21IPv42,048CN
220.196.112.0/20IPv44,096CN
220.196.162.0/23IPv4512CN
220.196.176.0/22IPv41,024CN
220.196.192.0/22IPv41,024CN
220.196.208.0/20IPv44,096CN
220.196.224.0/20IPv44,096CN
220.203.224.0/19IPv48,192CN
220.248.0.0/19IPv48,192CN
220.248.32.0/21IPv42,048CN
220.248.40.0/23IPv4512CN
220.248.44.0/22IPv41,024CN
220.248.48.0/21IPv42,048CN
220.248.56.0/23IPv4512CN
220.248.58.0/24IPv4256CN
220.248.60.0/22IPv41,024CN
220.248.64.0/19IPv48,192CN
220.248.96.0/20IPv44,096CN
220.248.112.0/22IPv41,024CN
220.248.116.0/23IPv4512CN
220.248.118.0/23IPv4512CN
220.248.120.0/21IPv42,048CN
223.166.0.0/18IPv416,384CN
223.166.66.0/23IPv4512CN
223.166.68.0/22IPv41,024CN
223.166.72.0/21IPv42,048CN
223.166.80.0/20IPv44,096CN
223.166.96.0/19IPv48,192CN
223.166.128.0/20IPv44,096CN
223.166.144.0/22IPv41,024CN
223.166.148.0/23IPv4512CN
223.166.156.0/22IPv41,024CN
223.166.160.0/21IPv42,048CN
223.166.168.0/22IPv41,024CN
223.166.172.0/24IPv4256CN
223.166.174.0/23IPv4512CN
223.166.176.0/20IPv44,096CN
223.166.192.0/20IPv44,096CN
223.166.208.0/21IPv42,048CN
223.166.216.0/22IPv41,024CN
223.166.220.0/23IPv4512CN
223.166.223.0/24IPv4256CN
223.166.224.0/20IPv44,096CN
223.166.240.0/21IPv42,048CN
223.166.248.0/22IPv41,024CN
223.167.0.0/20IPv44,096CN
223.167.16.0/24IPv4256CN
223.167.17.0/24IPv4256CN
223.167.18.0/23IPv4512CN
223.167.20.0/22IPv41,024CN
223.167.24.0/21IPv42,048CN
223.167.32.0/19IPv48,192CN
223.167.64.0/20IPv44,096CN
223.167.84.0/24IPv4256CN
223.167.86.0/23IPv4512CN
223.167.88.0/21IPv42,048CN
223.167.96.0/21IPv42,048CN
223.167.105.0/24IPv4256CN
223.167.112.0/20IPv44,096CN
223.167.128.0/20IPv44,096CN
223.167.144.0/22IPv41,024CN
223.167.148.0/23IPv4512CN
223.167.150.0/23IPv4512CN
223.167.158.0/23IPv4512CN
223.167.160.0/21IPv42,048CN
223.167.168.0/21IPv42,048CN
223.167.176.0/20IPv44,096CN
223.167.192.0/20IPv44,096CN
223.167.208.0/21IPv42,048CN
223.167.216.0/22IPv41,024CN
223.167.220.0/23IPv4512CN
223.167.224.0/21IPv42,048CN
223.167.232.0/22IPv41,024CN
223.167.236.0/23IPv4512CN
223.167.244.0/22IPv41,024CN
223.167.248.0/22IPv41,024CN
2404:7600:101::/48IPv6—CN
2405:7040:6001::/48IPv6—CN
2408:8000:9000::/39IPv6—CN
2408:8000:9200::/39IPv6—CN

Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.