asn.dev

Address space

AS17816 CHINA169-GZ China Unicom IP network China169 Guangdong province

Unclassified DROP-listed space APNIC

IPv4 prefixes 486 2.66M addresses
IPv6 prefixes 3,442
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/15
/15: 2
2
/16
/16: 7
7
/17
/17: 15
15
/18
/18: 27
27
/19
/19: 53
53
/20
/20: 69
69
/21
/21: 72
72
/22
/22: 71
71
/23
/23: 84
84
/24
/24: 86
86

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: 6
6
/31
/31: 1
1
/32
/32: 8
8
/33
/33: 2
2
/34
/34: 5
5
/35
/35: 4
4
/36
/36: 6
6
/37
/37: 12
12
/38
/38: 33
33
/39
/39: 35
35
/40
/40: 514
514
/41
/41: 284
284
/42
/42: 271
271
/43
/43: 647
647
/44
/44: 1,502
1,502
/45
/45: 28
28
/46
/46: 28
28
/47
/47: 28
28
/48
/48: 28
28

Geography

Where the space lands

CountryNamePrefixes
CNChina3,928