asn.dev

Address space

AS58542 CHINATELECOM-TIANJIN Tianjij,300000

IPv4 prefixes 59 109K addresses
IPv6 prefixes 27
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/18
/18: 1
1
/19
/19: 3
3
/20
/20: 9
9
/21
/21: 4
4
/22
/22: 12
12
/23
/23: 10
10
/24
/24: 20
20

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
/31
/31: 1
1
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 2
2
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 2
2
/40
/40: 5
5
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
CNChina86

Inventory

All prefixes

86 total
PrefixFamilyAddressesCountryFlags
42.81.0.0/19IPv48,192CN
42.81.32.0/22IPv41,024CN
42.81.36.0/24IPv4256CN
42.81.42.0/23IPv4512CN
42.81.44.0/22IPv41,024CN
42.81.48.0/20IPv44,096CN
42.81.64.0/21IPv42,048CN
42.81.72.0/22IPv41,024CN
42.81.76.0/23IPv4512CN
42.81.80.0/20IPv44,096CN
42.81.96.0/19IPv48,192CN
42.81.128.0/21IPv42,048CN
42.81.136.0/23IPv4512CN
42.81.138.0/24IPv4256CN
42.81.139.0/24IPv4256CN
42.81.140.0/22IPv41,024CN
42.81.144.0/20IPv44,096CN
42.81.160.0/19IPv48,192CN
42.81.192.0/18IPv416,384CN
43.241.180.0/22IPv41,024CN
103.45.168.0/24IPv4256CN
103.233.4.0/22IPv41,024CN
123.150.70.0/23IPv4512CN
123.150.72.0/23IPv4512CN
123.150.76.0/22IPv41,024CN
123.150.174.0/24IPv4256CN
123.150.208.0/24IPv4256CN
123.151.8.0/21IPv42,048CN
123.151.26.0/23IPv4512CN
123.151.39.0/24IPv4256CN
123.151.40.0/24IPv4256CN
123.151.42.0/24IPv4256CN
123.151.46.0/23IPv4512CN
123.151.48.0/20IPv44,096CN
123.151.64.0/20IPv44,096CN
123.151.92.0/22IPv41,024CN
123.151.96.0/20IPv44,096CN
123.151.137.0/24IPv4256CN
123.151.138.0/23IPv4512CN
123.151.144.0/24IPv4256CN
123.151.148.0/22IPv41,024CN
123.151.152.0/22IPv41,024CN
123.151.156.0/23IPv4512CN
123.151.158.0/24IPv4256CN
123.151.176.0/21IPv42,048CN
123.151.190.0/24IPv4256CN
180.213.48.0/20IPv44,096CN
180.213.64.0/22IPv41,024CN
180.213.100.0/22IPv41,024CN
180.213.112.0/20IPv44,096CN
180.213.240.0/20IPv44,096CN
218.98.176.0/24IPv4256CN
218.98.192.0/24IPv4256CN
221.238.34.0/23IPv4512CN
221.238.41.0/24IPv4256CN
221.238.70.0/24IPv4256CN
221.238.73.0/24IPv4256CN
221.238.92.0/24IPv4256CN
221.238.94.0/24IPv4256CN
240e:5:2000::/35IPv6—CN
240e:95:8001::/48IPv6—CN
240e:108:1090::/48IPv6—CN
240e:928::/38IPv6—CN
240e:928:400::/48IPv6—CN
240e:928:401::/48IPv6—CN
240e:928:402::/47IPv6—CN
240e:928:404::/46IPv6—CN
240e:928:408::/45IPv6—CN
240e:928:410::/44IPv6—CN
240e:928:420::/43IPv6—CN
240e:928:440::/42IPv6—CN
240e:928:480::/41IPv6—CN
240e:928:500::/40IPv6—CN
240e:928:600::/39IPv6—CN
240e:928:800::/37IPv6—CN
240e:928:1000::/38IPv6—CN
240e:928:1400::/40IPv6—CN
240e:928:1500::/40IPv6—CN
240e:928:1600::/39IPv6—CN
240e:928:1800::/37IPv6—CN
240e:928:2000::/35IPv6—CN
240e:928:4000::/34IPv6—CN
240e:928:8000::/33IPv6—CN
240e:92a::/31IPv6—CN
240e:980:9600::/40IPv6—CN
240e:981:9000::/40IPv6—CN