asn.dev

Address space

AS18182 SONET-TW Sony Network Taiwan Limited

Unclassified APNIC Cable/DSL/ISP

IPv4 prefixes 34 320K addresses
IPv6 prefixes 11
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 2
2
/17
/17: 2
2
/18
/18: 4
4
/19
/19: 4
4
/20
/20: 3
3
/21
/21: 3
3
/22
/22: 2
2
/23
/23: 5
5
/24
/24: 9
9

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
/29
/29: 1
1
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 2
2

Geography

Where the space lands

CountryNamePrefixes
TWTaiwan, Province of China45