asn.dev

Address space

AS17428 CHINA-ABITCOOL 21Vianet.Co.,Ltd

Unclassified APNIC

IPv4 prefixes 10 10.50K addresses
IPv6 prefixes 53
Most common size /23 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/20
/20: 1
1
/21
/21: 1
1
/22
/22: 2
2
/23
/23: 3
3
/24
/24: 3
3

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
/33
/33: 1
1
/34
/34: 1
1
/36
/36: 2
2
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 6
6
/43
/43: 6
6
/44
/44: 7
7
/45
/45: 5
5
/46
/46: 5
5
/47
/47: 5
5
/48
/48: 6
6

Geography

Where the space lands

CountryNamePrefixes
CNChina63