asn.dev

Address space

AS55430 STARHUB-NGNBN Starhub Ltd

Residential APNIC

IPv4 prefixes 51 713K addresses
IPv6 prefixes 116
Most common size /18 IPv4
Flagged 15

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 4
4
/17
/17: 7
7
/18
/18: 9
9
/19
/19: 4
4
/20
/20: 5
5
/21
/21: 5
5
/22
/22: 6
6
/23
/23: 5
5
/24
/24: 6
6

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: 3
3
/35
/35: 2
2
/36
/36: 4
4
/37
/37: 4
4
/38
/38: 4
4
/39
/39: 4
4
/40
/40: 3
3
/41
/41: 5
5
/42
/42: 5
5
/43
/43: 5
5
/44
/44: 9
9
/45
/45: 5
5
/46
/46: 15
15
/47
/47: 11
11
/48
/48: 21
21
/49
/49: 1
1
/50
/50: 1
1
/51
/51: 1
1
/52
/52: 1
1
/53
/53: 1
1
/54
/54: 1
1
/55
/55: 1
1
/56
/56: 1
1
/57
/57: 1
1
/58
/58: 1
1
/59
/59: 1
1
/60
/60: 1
1
/61
/61: 1
1
/62
/62: 1
1
/63
/63: 1
1

Geography

Where the space lands

CountryNamePrefixes
SGSingapore167

Review

Flagged prefixes

15 of 167
PrefixFamilyAddressesCountryFlags
2404:e800:de00:2::/63IPv6/63SGToo specific
2404:e800:de00:4::/62IPv6/62SGToo specific
2404:e800:de00:8::/61IPv6/61SGToo specific
2404:e800:de00:10::/60IPv6/60SGToo specific
2404:e800:de00:20::/59IPv6/59SGToo specific
2404:e800:de00:40::/58IPv6/58SGToo specific
2404:e800:de00:80::/57IPv6/57SGToo specific
2404:e800:de00:100::/56IPv6/56SGToo specific
2404:e800:de00:200::/55IPv6/55SGToo specific
2404:e800:de00:400::/54IPv6/54SGToo specific
2404:e800:de00:800::/53IPv6/53SGToo specific
2404:e800:de00:1000::/52IPv6/52SGToo specific
2404:e800:de00:2000::/51IPv6/51SGToo specific
2404:e800:de00:4000::/50IPv6/50SGToo specific
2404:e800:de00:8000::/49IPv6/49SGToo specific

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