asn.dev

Address space

AS24400 CMNET-V4SHANGHAI-AS-AP Shanghai Mobile Communications Co.,Ltd.

Unclassified APNIC

IPv4 prefixes 495 762K addresses
IPv6 prefixes 476
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 2
2
/18
/18: 3
3
/19
/19: 20
20
/20
/20: 32
32
/21
/21: 78
78
/22
/22: 88
88
/23
/23: 128
128
/24
/24: 144
144

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
/31
/31: 14
14
/32
/32: 2
2
/33
/33: 2
2
/34
/34: 4
4
/35
/35: 7
7
/36
/36: 15
15
/37
/37: 34
34
/38
/38: 34
34
/39
/39: 36
36
/40
/40: 39
39
/41
/41: 43
43
/42
/42: 38
38
/43
/43: 48
48
/44
/44: 64
64
/45
/45: 16
16
/46
/46: 23
23
/47
/47: 29
29
/48
/48: 28
28

Geography

Where the space lands

CountryNamePrefixes
CNChina971