asn.dev

Address space

AS137689 CHINATELECOM-IOT-JIANGSU-NETWORK IOT Jiangsu network, Chinatelecom, P.R.China.

IPv4 prefixes 34 43.26K addresses
IPv6 prefixes 25
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 1
1
/20
/20: 3
3
/21
/21: 4
4
/22
/22: 7
7
/23
/23: 10
10
/24
/24: 9
9

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
/39
/39: 1
1
/40
/40: 5
5
/41
/41: 4
4
/42
/42: 9
9
/43
/43: 2
2
/44
/44: 4
4

Geography

Where the space lands

CountryNamePrefixes
CNChina59

Inventory

All prefixes

59 total
PrefixFamilyAddressesCountryFlags
36.113.0.0/22IPv41,024CN
36.113.4.0/23IPv4512CN
36.113.16.0/20IPv44,096CN
36.113.32.0/21IPv42,048CN
36.113.40.0/24IPv4256CN
36.113.41.0/24IPv4256CN
36.113.42.0/23IPv4512CN
36.113.44.0/22IPv41,024CN
36.113.48.0/20IPv44,096CN
36.113.64.0/21IPv42,048CN
36.113.80.0/22IPv41,024CN
36.113.96.0/20IPv44,096CN
36.113.112.0/21IPv42,048CN
36.113.120.0/24IPv4256CN
36.113.121.0/24IPv4256CN
36.113.122.0/23IPv4512CN
36.113.124.0/22IPv41,024CN
36.113.128.0/19IPv48,192CN
36.113.160.0/23IPv4512CN
36.113.184.0/21IPv42,048CN
36.113.192.0/23IPv4512CN
36.113.204.0/23IPv4512CN
36.113.251.0/24IPv4256CN
36.113.252.0/23IPv4512CN
36.113.254.0/24IPv4256CN
115.170.132.0/23IPv4512CN
117.60.157.0/24IPv4256CN
117.60.158.0/24IPv4256CN
117.61.208.0/22IPv41,024CN
117.61.212.0/23IPv4512CN
117.61.216.0/22IPv41,024CN
117.61.222.0/23IPv4512CN
117.61.232.0/22IPv41,024CN
117.61.254.0/24IPv4256CN
240e:100:30::/44IPv6—CN
240e:100:40::/43IPv6—CN
240e:100:60::/44IPv6—CN
240e:878::/41IPv6—CN
240e:878:80::/42IPv6—CN
240e:878:c0::/43IPv6—CN
240e:878:100::/41IPv6—CN
240e:878:1c0::/44IPv6—CN
240e:878:1e0::/44IPv6—CN
240e:878:200::/39IPv6—CN
240e:878:700::/40IPv6—CN
240e:878:800::/42IPv6—CN
240e:878:8c0::/42IPv6—CN
240e:878:e00::/41IPv6—CN
240e:878:f00::/40IPv6—CN
240e:878:1100::/40IPv6—CN
240e:878:1300::/40IPv6—CN
240e:878:1500::/40IPv6—CN
240e:878:1700::/42IPv6—CN
240e:878:1780::/42IPv6—CN
240e:878:1800::/42IPv6—CN
240e:878:1880::/42IPv6—CN
240e:879:80c0::/42IPv6—CN
240e:879:8100::/41IPv6—CN
240e:880::/42IPv6—CN