asn.dev

Address space

AS9929 CUII CHINA UNICOM Industrial Internet Backbone

Unclassified APNIC

IPv4 prefixes 307 651K addresses
IPv6 prefixes 111
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 2
2
/18
/18: 4
4
/19
/19: 21
21
/20
/20: 41
41
/21
/21: 36
36
/22
/22: 52
52
/23
/23: 57
57
/24
/24: 94
94

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
/35
/35: 1
1
/36
/36: 4
4
/37
/37: 1
1
/40
/40: 3
3
/43
/43: 14
14
/44
/44: 22
22
/45
/45: 1
1
/46
/46: 4
4
/47
/47: 13
13
/48
/48: 48
48

Geography

Where the space lands

CountryNamePrefixes
CNChina418