asn.dev

Address space

AS138345 STARHUB-MOBILE2 StarHub Ltd

Unclassified APNIC

IPv4 prefixes 31 155K addresses
IPv6 prefixes 8
Most common size /23 IPv4
Flagged 3

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 3
3
/18
/18: 1
1
/19
/19: 3
3
/21
/21: 1
1
/22
/22: 7
7
/23
/23: 8
8
/24
/24: 8
8

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
/45
/45: 1
1
/46
/46: 2
2
/47
/47: 1
1
/48
/48: 1
1
/50
/50: 3
3

Geography

Where the space lands

CountryNamePrefixes
SGSingapore39

Review

Flagged prefixes

3 of 39
PrefixFamilyAddressesCountryFlags
2406:3002:40::/50IPv6/50SGToo specific
2406:3002:41:8000::/50IPv6/50SGToo specific
2406:3002:50::/50IPv6/50SGToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.