asn.dev

Address space

AS9304 HUTCHISON-AS-AP HGC Global Communications Limited

Hosting APNIC

IPv4 prefixes 1,028 1.78M addresses
IPv6 prefixes 96
Most common size /24 IPv4
Flagged 112

Shape

IPv4 prefix sizes

All IPv4
/14
/14: 1
1
/15
/15: 2
2
/16
/16: 4
4
/17
/17: 4
4
/18
/18: 9
9
/19
/19: 19
19
/20
/20: 36
36
/21
/21: 50
50
/22
/22: 81
81
/23
/23: 179
179
/24
/24: 531
531
/25
/25: 8
8
/26
/26: 9
9
/27
/27: 9
9
/28
/28: 12
12
/29
/29: 10
10
/30
/30: 19
19
/31
/31: 17
17
/32
/32: 28
28

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: 28
28
/32
/32: 1
1
/33
/33: 2
2
/34
/34: 2
2
/35
/35: 2
2
/36
/36: 1
1
/37
/37: 3
3
/38
/38: 3
3
/39
/39: 3
3
/40
/40: 3
3
/41
/41: 2
2
/42
/42: 4
4
/43
/43: 4
4
/44
/44: 3
3
/45
/45: 5
5
/46
/46: 5
5
/47
/47: 8
8
/48
/48: 17
17

Geography

Where the space lands

CountryNamePrefixes
HKHong Kong1,124

Review

Flagged prefixes

112 of 1,124
PrefixFamilyAddressesCountryFlags
103.247.231.0/25IPv4128HKToo specific
103.247.231.128/28IPv416HKToo specific
103.247.231.144/29IPv48HKToo specific
103.247.231.152/30IPv44HKToo specific
103.247.231.156/32IPv41HKToo specific
103.247.231.157/32IPv41HKToo specific
103.247.231.158/31IPv42HKToo specific
103.247.231.160/27IPv432HKToo specific
103.247.231.192/26IPv464HKToo specific
112.73.10.0/25IPv4128HKToo specific
112.73.10.128/31IPv42HKToo specific
112.73.10.130/32IPv41HKToo specific
112.73.10.132/32IPv41HKToo specific
112.73.10.134/32IPv41HKToo specific
112.73.10.137/32IPv41HKToo specific
112.73.10.138/31IPv42HKToo specific
112.73.10.140/30IPv44HKToo specific
112.73.10.144/28IPv416HKToo specific
112.73.10.160/27IPv432HKToo specific
112.73.10.192/26IPv464HKToo specific
114.134.81.0/25IPv4128HKToo specific
114.134.81.128/26IPv464HKToo specific
114.134.81.192/27IPv432HKToo specific
114.134.81.224/29IPv48HKToo specific
114.134.81.232/32IPv41HKToo specific

The first 25. Every flag also shows in the IPv4 and IPv6 lists.

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