asn.dev

Address space

AS38019 CMNET-V4TIANJIN-AS-AP tianjin Mobile Communication Company Limited

Unclassified APNIC

IPv4 prefixes 271 266K addresses
IPv6 prefixes 348
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/18
/18: 3
3
/19
/19: 4
4
/20
/20: 8
8
/21
/21: 14
14
/22
/22: 47
47
/23
/23: 97
97
/24
/24: 98
98

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

IPv6 prefix sizes

All IPv6
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 3
3
/34
/34: 1
1
/36
/36: 2
2
/37
/37: 9
9
/38
/38: 15
15
/39
/39: 16
16
/40
/40: 15
15
/41
/41: 24
24
/42
/42: 24
24
/43
/43: 24
24
/44
/44: 31
31
/45
/45: 35
35
/46
/46: 32
32
/47
/47: 38
38
/48
/48: 77
77

Geography

Where the space lands

CountryNamePrefixes
CNChina619