asn.dev

Address space

AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd

Unclassified APNIC NSP

IPv4 prefixes 226 516K addresses
IPv6 prefixes 35
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 3
3
/18
/18: 8
8
/19
/19: 8
8
/20
/20: 20
20
/21
/21: 29
29
/22
/22: 35
35
/23
/23: 50
50
/24
/24: 73
73

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
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/40
/40: 1
1
/41
/41: 3
3
/42
/42: 3
3
/43
/43: 3
3
/44
/44: 2
2
/45
/45: 4
4
/46
/46: 5
5
/47
/47: 3
3
/48
/48: 5
5

Geography

Where the space lands

CountryNamePrefixes
AUAustralia261