asn.dev

Address space

AS137702 CHINATELECOM-JIANGSU-NANJING-IDC Nanjing, Jiangsu Province, P.R.China.

IPv4 prefixes 77 82.43K addresses
IPv6 prefixes 24
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 2
2
/20
/20: 4
4
/21
/21: 9
9
/22
/22: 11
11
/23
/23: 27
27
/24
/24: 24
24

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
/37
/37: 1
1
/38
/38: 2
2
/39
/39: 1
1
/40
/40: 9
9
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 3
3
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
CNChina101

Inventory

All prefixes

101 total
PrefixFamilyAddressesCountryFlags
45.252.106.0/23IPv4512CN
58.212.8.0/23IPv4512CN
58.212.84.0/23IPv4512CN
58.212.130.0/23IPv4512CN
58.217.156.0/22IPv41,024CN
58.217.192.0/23IPv4512CN
58.217.194.0/23IPv4512CN
58.217.196.0/22IPv41,024CN
58.217.208.0/20IPv44,096CN
58.217.244.0/23IPv4512CN
58.223.21.0/24IPv4256CN
58.223.24.0/24IPv4256CN
58.223.81.0/24IPv4256CN
61.132.51.0/24IPv4256CN
61.132.74.0/23IPv4512CN
61.147.136.0/21IPv42,048CN
61.147.165.0/24IPv4256CN
61.147.166.0/23IPv4512CN
61.147.168.0/21IPv42,048CN
61.147.176.0/22IPv41,024CN
61.147.180.0/24IPv4256CN
61.155.5.0/24IPv4256CN
61.155.7.0/24IPv4256CN
61.155.8.0/23IPv4512CN
61.155.106.0/23IPv4512CN
61.155.236.0/24IPv4256CN
61.155.238.0/24IPv4256CN
101.125.252.0/23IPv4512CN
101.125.254.0/23IPv4512CN
103.221.143.0/24IPv4256CN
118.184.128.0/21IPv42,048CN
121.237.32.0/23IPv4512CN
180.96.0.0/22IPv41,024CN
180.96.4.0/24IPv4256CN
180.96.5.0/24IPv4256CN
180.96.6.0/23IPv4512CN
180.96.8.0/21IPv42,048CN
180.96.16.0/20IPv44,096CN
180.96.32.0/19IPv48,192CN
180.96.64.0/22IPv41,024CN
180.96.68.0/23IPv4512CN
180.96.70.0/24IPv4256CN
180.96.71.0/24IPv4256CN
180.96.72.0/21IPv42,048CN
180.96.80.0/21IPv42,048CN
180.97.0.0/19IPv48,192CN
180.97.32.0/24IPv4256CN
180.97.46.0/23IPv4512CN
180.97.48.0/20IPv44,096CN
180.97.104.0/23IPv4512CN
180.97.106.0/24IPv4256CN
180.97.110.0/23IPv4512CN
180.97.112.0/21IPv42,048CN
180.97.123.0/24IPv4256CN
180.97.128.0/21IPv42,048CN
180.100.19.0/24IPv4256CN
180.100.20.0/24IPv4256CN
202.102.52.0/22IPv41,024CN
202.102.56.0/22IPv41,024CN
202.102.60.0/23IPv4512CN
202.102.62.0/23IPv4512CN
202.102.64.0/22IPv41,024CN
202.102.68.0/23IPv4512CN
202.102.70.0/24IPv4256CN
202.102.72.0/22IPv41,024CN
202.102.76.0/24IPv4256CN
202.102.77.0/24IPv4256CN
202.102.78.0/23IPv4512CN
202.102.80.0/22IPv41,024CN
202.102.84.0/23IPv4512CN
202.102.86.0/23IPv4512CN
202.102.88.0/21IPv42,048CN
202.102.96.0/22IPv41,024CN
202.102.114.0/23IPv4512CN
202.111.126.0/23IPv4512CN
202.111.248.0/24IPv4256CN
221.231.128.0/20IPv44,096CN
240e:1a:10::/44IPv6—CN
240e:1a:40::/44IPv6—CN
240e:5a:6801::/48IPv6—CN
240e:5a:6c00::/38IPv6—CN
240e:e9:4000::/37IPv6—CN
240e:e9:8000::/45IPv6—CN
240e:e9:8008::/46IPv6—CN
240e:e9:800c::/47IPv6—CN
240e:e9:800f::/48IPv6—CN
240e:e9:8010::/44IPv6—CN
240e:e9:8020::/43IPv6—CN
240e:e9:8040::/42IPv6—CN
240e:e9:8080::/41IPv6—CN
240e:e9:8100::/40IPv6—CN
240e:e9:8200::/39IPv6—CN
240e:e9:8400::/38IPv6—CN
240e:978::/40IPv6—CN
240e:978:1000::/40IPv6—CN
240e:978:2000::/40IPv6—CN
240e:978:3000::/40IPv6—CN
240e:978:4000::/40IPv6—CN
240e:978:5000::/40IPv6—CN
240e:978:6000::/40IPv6—CN
240e:978:7000::/40IPv6—CN