asn.dev

Address space

AS17638 CHINATELECOM-TJ-AS-AP ASN for TIANJIN Provincial Net of CT

IPv4 prefixes 380 603K addresses
IPv6 prefixes 64
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/18
/18: 10
10
/19
/19: 7
7
/20
/20: 30
30
/21
/21: 48
48
/22
/22: 77
77
/23
/23: 113
113
/24
/24: 95
95

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
/32
/32: 3
3
/33
/33: 2
2
/34
/34: 4
4
/35
/35: 4
4
/36
/36: 3
3
/37
/37: 3
3
/38
/38: 3
3
/39
/39: 3
3
/40
/40: 3
3
/41
/41: 4
4
/42
/42: 4
4
/43
/43: 4
4
/44
/44: 4
4
/45
/45: 5
5
/46
/46: 4
4
/47
/47: 6
6
/48
/48: 5
5

Geography

Where the space lands

CountryNamePrefixes
CNChina444

Inventory

All prefixes

showing 400 of 444
PrefixFamilyAddressesCountryFlags
36.106.0.0/23IPv4512CN
36.106.2.0/23IPv4512CN
36.106.4.0/23IPv4512CN
36.106.6.0/24IPv4256CN
36.106.7.0/24IPv4256CN
36.106.8.0/21IPv42,048CN
36.106.16.0/23IPv4512CN
36.106.18.0/23IPv4512CN
36.106.20.0/22IPv41,024CN
36.106.24.0/21IPv42,048CN
36.106.32.0/23IPv4512CN
36.106.34.0/24IPv4256CN
36.106.35.0/24IPv4256CN
36.106.36.0/22IPv41,024CN
36.106.40.0/21IPv42,048CN
36.106.48.0/20IPv44,096CN
36.106.64.0/19IPv48,192CN
36.106.96.0/20IPv44,096CN
36.106.112.0/20IPv44,096CN
36.106.128.0/19IPv48,192CN
36.106.160.0/21IPv42,048CN
36.106.168.0/22IPv41,024CN
36.106.172.0/22IPv41,024CN
36.106.176.0/21IPv42,048CN
36.106.184.0/21IPv42,048CN
36.106.192.0/18IPv416,384CN
42.80.0.0/20IPv44,096CN
42.80.16.0/22IPv41,024CN
42.80.20.0/23IPv4512CN
42.80.22.0/23IPv4512CN
42.80.24.0/21IPv42,048CN
42.80.32.0/23IPv4512CN
42.80.34.0/23IPv4512CN
42.80.36.0/22IPv41,024CN
42.80.40.0/22IPv41,024CN
42.80.44.0/22IPv41,024CN
42.80.48.0/20IPv44,096CN
42.80.64.0/18IPv416,384CN
42.80.128.0/18IPv416,384CN
42.80.192.0/20IPv44,096CN
42.80.208.0/21IPv42,048CN
42.80.216.0/24IPv4256CN
42.80.217.0/24IPv4256CN
42.80.218.0/23IPv4512CN
42.80.220.0/22IPv41,024CN
42.80.224.0/20IPv44,096CN
42.80.240.0/20IPv44,096CN
42.81.37.0/24IPv4256CN
42.81.38.0/23IPv4512CN
42.81.40.0/23IPv4512CN
42.81.78.0/23IPv4512CN
42.122.0.0/20IPv44,096CN
42.122.24.0/21IPv42,048CN
42.122.32.0/20IPv44,096CN
42.122.48.0/21IPv42,048CN
42.122.56.0/22IPv41,024CN
42.122.60.0/23IPv4512CN
42.122.62.0/24IPv4256CN
42.122.64.0/18IPv416,384CN
42.122.128.0/19IPv48,192CN
42.122.160.0/21IPv42,048CN
42.122.168.0/21IPv42,048CN
42.122.176.0/20IPv44,096CN
42.122.192.0/18IPv416,384CN
106.47.0.0/18IPv416,384CN
106.47.64.0/20IPv44,096CN
106.47.80.0/23IPv4512CN
106.47.82.0/23IPv4512CN
106.47.84.0/22IPv41,024CN
106.47.88.0/21IPv42,048CN
106.47.96.0/19IPv48,192CN
106.47.128.0/18IPv416,384CN
106.47.192.0/20IPv44,096CN
106.47.208.0/22IPv41,024CN
106.47.212.0/24IPv4256CN
106.47.213.0/24IPv4256CN
106.47.214.0/23IPv4512CN
106.47.216.0/22IPv41,024CN
106.47.220.0/24IPv4256CN
106.47.221.0/24IPv4256CN
106.47.222.0/23IPv4512CN
106.47.224.0/19IPv48,192CN
123.150.0.0/22IPv41,024CN
123.150.4.0/24IPv4256CN
123.150.5.0/24IPv4256CN
123.150.6.0/23IPv4512CN
123.150.8.0/22IPv41,024CN
123.150.12.0/23IPv4512CN
123.150.14.0/24IPv4256CN
123.150.15.0/24IPv4256CN
123.150.16.0/20IPv44,096CN
123.150.32.0/23IPv4512CN
123.150.34.0/24IPv4256CN
123.150.35.0/24IPv4256CN
123.150.36.0/23IPv4512CN
123.150.38.0/23IPv4512CN
123.150.40.0/22IPv41,024CN
123.150.44.0/23IPv4512CN
123.150.46.0/24IPv4256CN
123.150.47.0/24IPv4256CN
123.150.48.0/21IPv42,048CN
123.150.56.0/23IPv4512CN
123.150.58.0/23IPv4512CN
123.150.60.0/22IPv41,024CN
123.150.64.0/23IPv4512CN
123.150.66.0/23IPv4512CN
123.150.68.0/23IPv4512CN
123.150.74.0/23IPv4512CN
123.150.80.0/23IPv4512CN
123.150.82.0/23IPv4512CN
123.150.84.0/22IPv41,024CN
123.150.88.0/22IPv41,024CN
123.150.92.0/24IPv4256CN
123.150.93.0/24IPv4256CN
123.150.94.0/23IPv4512CN
123.150.96.0/21IPv42,048CN
123.150.104.0/22IPv41,024CN
123.150.108.0/23IPv4512CN
123.150.110.0/23IPv4512CN
123.150.112.0/20IPv44,096CN
123.150.128.0/21IPv42,048CN
123.150.136.0/22IPv41,024CN
123.150.140.0/23IPv4512CN
123.150.142.0/23IPv4512CN
123.150.144.0/23IPv4512CN
123.150.146.0/23IPv4512CN
123.150.148.0/22IPv41,024CN
123.150.152.0/21IPv42,048CN
123.150.160.0/21IPv42,048CN
123.150.168.0/22IPv41,024CN
123.150.172.0/23IPv4512CN
123.150.175.0/24IPv4256CN
123.150.176.0/20IPv44,096CN
123.150.192.0/20IPv44,096CN
123.150.209.0/24IPv4256CN
123.150.210.0/23IPv4512CN
123.150.212.0/22IPv41,024CN
123.150.216.0/21IPv42,048CN
123.150.224.0/22IPv41,024CN
123.150.230.0/23IPv4512CN
123.150.232.0/21IPv42,048CN
123.150.240.0/23IPv4512CN
123.150.242.0/24IPv4256CN
123.150.243.0/24IPv4256CN
123.150.244.0/22IPv41,024CN
123.150.248.0/21IPv42,048CN
123.151.0.0/21IPv42,048CN
123.151.16.0/23IPv4512CN
123.151.18.0/23IPv4512CN
123.151.21.0/24IPv4256CN
123.151.22.0/23IPv4512CN
123.151.24.0/24IPv4256CN
123.151.25.0/24IPv4256CN
123.151.28.0/22IPv41,024CN
123.151.32.0/22IPv41,024CN
123.151.36.0/23IPv4512CN
123.151.38.0/24IPv4256CN
123.151.41.0/24IPv4256CN
123.151.43.0/24IPv4256CN
123.151.44.0/23IPv4512CN
123.151.80.0/21IPv42,048CN
123.151.88.0/23IPv4512CN
123.151.90.0/23IPv4512CN
123.151.112.0/23IPv4512CN
123.151.114.0/23IPv4512CN
123.151.116.0/22IPv41,024CN
123.151.120.0/22IPv41,024CN
123.151.125.0/24IPv4256CN
123.151.126.0/23IPv4512CN
123.151.128.0/22IPv41,024CN
123.151.132.0/22IPv41,024CN
123.151.136.0/24IPv4256CN
123.151.140.0/22IPv41,024CN
123.151.145.0/24IPv4256CN
123.151.146.0/23IPv4512CN
123.151.159.0/24IPv4256CN
123.151.160.0/22IPv41,024CN
123.151.164.0/24IPv4256CN
123.151.166.0/23IPv4512CN
123.151.168.0/22IPv41,024CN
123.151.172.0/23IPv4512CN
123.151.174.0/23IPv4512CN
123.151.184.0/22IPv41,024CN
123.151.188.0/23IPv4512CN
123.151.191.0/24IPv4256CN
123.151.192.0/18IPv416,384CN
125.213.32.0/20IPv44,096CN
139.220.192.0/22IPv41,024CN
180.213.8.0/23IPv4512CN
180.212.0.0/20IPv44,096CN
180.212.16.0/21IPv42,048CN
180.212.24.0/23IPv4512CN
180.212.26.0/23IPv4512CN
180.212.28.0/22IPv41,024CN
180.212.32.0/23IPv4512CN
180.212.34.0/23IPv4512CN
180.212.36.0/22IPv41,024CN
180.212.40.0/21IPv42,048CN
180.212.48.0/23IPv4512CN
180.212.50.0/24IPv4256CN
180.212.51.0/24IPv4256CN
180.212.52.0/22IPv41,024CN
180.212.56.0/21IPv42,048CN
180.212.64.0/18IPv416,384CN
180.212.128.0/21IPv42,048CN
180.212.136.0/22IPv41,024CN
180.212.140.0/22IPv41,024CN
180.212.144.0/21IPv42,048CN
180.212.152.0/23IPv4512CN
180.212.154.0/23IPv4512CN
180.212.156.0/22IPv41,024CN
180.212.160.0/22IPv41,024CN
180.212.164.0/22IPv41,024CN
180.212.168.0/21IPv42,048CN
180.212.176.0/20IPv44,096CN
180.212.192.0/19IPv48,192CN
180.212.224.0/20IPv44,096CN
180.212.240.0/22IPv41,024CN
180.212.244.0/23IPv4512CN
180.212.246.0/23IPv4512CN
180.212.248.0/22IPv41,024CN
180.212.252.0/23IPv4512CN
180.212.254.0/24IPv4256CN
180.212.255.0/24IPv4256CN
180.213.0.0/21IPv42,048CN
180.213.10.0/24IPv4256CN
180.213.11.0/24IPv4256CN
180.213.12.0/22IPv41,024CN
180.213.16.0/21IPv42,048CN
180.213.26.0/23IPv4512CN
180.213.28.0/23IPv4512CN
180.213.30.0/24IPv4256CN
180.213.32.0/24IPv4256CN
180.213.36.0/23IPv4512CN
180.213.38.0/24IPv4256CN
180.213.39.0/24IPv4256CN
180.213.40.0/23IPv4512CN
180.213.42.0/24IPv4256CN
180.213.44.0/22IPv41,024CN
180.213.68.0/22IPv41,024CN
180.213.72.0/22IPv41,024CN
180.213.76.0/24IPv4256CN
180.213.78.0/23IPv4512CN
180.213.80.0/20IPv44,096CN
180.213.96.0/22IPv41,024CN
180.213.104.0/21IPv42,048CN
180.213.128.0/18IPv416,384CN
180.213.192.0/19IPv48,192CN
180.213.224.0/20IPv44,096CN
202.143.16.0/23IPv4512CN
218.30.175.0/24IPv4256CN
218.30.189.0/24IPv4256CN
219.150.32.0/20IPv44,096CN
219.150.48.0/23IPv4512CN
219.150.50.0/24IPv4256CN
219.150.51.0/24IPv4256CN
219.150.52.0/23IPv4512CN
219.150.54.0/23IPv4512CN
219.150.56.0/21IPv42,048CN
219.150.64.0/20IPv44,096CN
219.150.80.0/22IPv41,024CN
219.150.84.0/23IPv4512CN
219.150.86.0/24IPv4256CN
219.150.87.0/24IPv4256CN
219.150.88.0/21IPv42,048CN
219.150.96.0/24IPv4256CN
219.150.97.0/24IPv4256CN
219.150.98.0/23IPv4512CN
219.150.100.0/22IPv41,024CN
219.150.104.0/21IPv42,048CN
221.238.0.0/22IPv41,024CN
221.238.4.0/24IPv4256CN
221.238.5.0/24IPv4256CN
221.238.6.0/24IPv4256CN
221.238.7.0/24IPv4256CN
221.238.8.0/22IPv41,024CN
221.238.12.0/23IPv4512CN
221.238.14.0/23IPv4512CN
221.238.16.0/20IPv44,096CN
221.238.32.0/23IPv4512CN
221.238.36.0/22IPv41,024CN
221.238.40.0/24IPv4256CN
221.238.42.0/23IPv4512CN
221.238.44.0/22IPv41,024CN
221.238.48.0/21IPv42,048CN
221.238.56.0/22IPv41,024CN
221.238.60.0/22IPv41,024CN
221.238.64.0/24IPv4256CN
221.238.65.0/24IPv4256CN
221.238.66.0/23IPv4512CN
221.238.68.0/23IPv4512CN
221.238.71.0/24IPv4256CN
221.238.72.0/24IPv4256CN
221.238.74.0/23IPv4512CN
221.238.76.0/22IPv41,024CN
221.238.80.0/23IPv4512CN
221.238.82.0/24IPv4256CN
221.238.83.0/24IPv4256CN
221.238.84.0/22IPv41,024CN
221.238.88.0/22IPv41,024CN
221.238.93.0/24IPv4256CN
221.238.95.0/24IPv4256CN
221.238.96.0/20IPv44,096CN
221.238.112.0/23IPv4512CN
221.238.114.0/24IPv4256CN
221.238.115.0/24IPv4256CN
221.238.116.0/22IPv41,024CN
221.238.120.0/21IPv42,048CN
221.238.128.0/20IPv44,096CN
221.238.144.0/21IPv42,048CN
221.238.152.0/23IPv4512CN
221.238.154.0/23IPv4512CN
221.238.156.0/22IPv41,024CN
221.238.160.0/20IPv44,096CN
221.238.176.0/21IPv42,048CN
221.238.184.0/22IPv41,024CN
221.238.188.0/22IPv41,024CN
221.238.192.0/21IPv42,048CN
221.238.200.0/22IPv41,024CN
221.238.204.0/24IPv4256CN
221.238.205.0/24IPv4256CN
221.238.206.0/24IPv4256CN
221.238.207.0/24IPv4256CN
221.238.208.0/24IPv4256CN
221.238.209.0/24IPv4256CN
221.238.210.0/23IPv4512CN
221.238.212.0/23IPv4512CN
221.238.214.0/24IPv4256CN
221.238.215.0/24IPv4256CN
221.238.216.0/23IPv4512CN
221.238.218.0/23IPv4512CN
221.238.220.0/22IPv41,024CN
221.238.224.0/21IPv42,048CN
221.238.232.0/23IPv4512CN
221.238.234.0/24IPv4256CN
221.238.235.0/24IPv4256CN
221.238.236.0/23IPv4512CN
221.238.238.0/23IPv4512CN
221.238.240.0/24IPv4256CN
221.238.241.0/24IPv4256CN
221.238.242.0/24IPv4256CN
221.238.243.0/24IPv4256CN
221.238.244.0/22IPv41,024CN
221.238.248.0/21IPv42,048CN
221.239.0.0/24IPv4256CN
221.239.1.0/24IPv4256CN
221.239.2.0/23IPv4512CN
221.239.4.0/22IPv41,024CN
221.239.8.0/21IPv42,048CN
221.239.16.0/24IPv4256CN
221.239.17.0/24IPv4256CN
221.239.18.0/23IPv4512CN
221.239.20.0/23IPv4512CN
221.239.22.0/23IPv4512CN
221.239.24.0/22IPv41,024CN
221.239.28.0/23IPv4512CN
221.239.30.0/24IPv4256CN
221.239.31.0/24IPv4256CN
221.239.32.0/20IPv44,096CN
221.239.48.0/21IPv42,048CN
221.239.56.0/22IPv41,024CN
221.239.60.0/23IPv4512CN
221.239.62.0/24IPv4256CN
221.239.63.0/24IPv4256CN
221.239.64.0/21IPv42,048CN
221.239.72.0/22IPv41,024CN
221.239.76.0/22IPv41,024CN
221.239.80.0/21IPv42,048CN
221.239.88.0/22IPv41,024CN
221.239.92.0/23IPv4512CN
221.239.94.0/23IPv4512CN
221.239.96.0/23IPv4512CN
221.239.98.0/23IPv4512CN
221.239.100.0/23IPv4512CN
221.239.102.0/23IPv4512CN
221.239.104.0/21IPv42,048CN
221.239.112.0/21IPv42,048CN
221.239.120.0/23IPv4512CN
221.239.122.0/23IPv4512CN
221.239.124.0/22IPv41,024CN
240e:5::/35IPv6—CN
240e:5:4000::/34IPv6—CN
240e:45::/47IPv6—CN
240e:45:2::/47IPv6—CN
240e:45:4::/46IPv6—CN
240e:45:8::/45IPv6—CN
240e:45:10::/44IPv6—CN
240e:45:20::/43IPv6—CN
240e:45:40::/42IPv6—CN
240e:45:80::/41IPv6—CN
240e:45:100::/40IPv6—CN
240e:45:200::/39IPv6—CN
240e:45:400::/38IPv6—CN
240e:45:800::/37IPv6—CN
240e:45:1000::/36IPv6—CN
240e:45:2000::/35IPv6—CN
240e:45:4000::/34IPv6—CN
240e:94::/32IPv6—CN
240e:95::/33IPv6—CN
240e:95:8000::/48IPv6—CN

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