asn.dev

Address space

AS55355 ISP-AS-AP ISP

Unclassified APNIC

IPv4 prefixes 144 6.91K addresses
IPv6 prefixes 0
Most common size /31 IPv4
Flagged 131

Shape

IPv4 prefix sizes

All IPv4
/23
/23: 4
4
/24
/24: 9
9
/25
/25: 9
9
/26
/26: 9
9
/27
/27: 10
10
/28
/28: 15
15
/29
/29: 14
14
/30
/30: 19
19
/31
/31: 31
31
/32
/32: 24
24

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

This network announces no IPv6 we can see.

Geography

Where the space lands

CountryNamePrefixes
HKHong Kong144

Review

Flagged prefixes

131 of 144
PrefixFamilyAddressesCountryFlags
175.100.201.0/28IPv416HKToo specific
175.100.201.16/28IPv416HKToo specific
175.100.201.32/27IPv432HKToo specific
175.100.201.64/26IPv464HKToo specific
175.100.201.128/27IPv432HKToo specific
175.100.201.160/29IPv48HKToo specific
175.100.201.168/30IPv44HKToo specific
175.100.201.172/31IPv42HKToo specific
175.100.201.174/32IPv41HKToo specific
175.100.201.175/32IPv41HKToo specific
175.100.201.176/28IPv416HKToo specific
175.100.201.192/26IPv464HKToo specific
175.100.202.0/25IPv4128HKToo specific
175.100.202.128/26IPv464HKToo specific
175.100.202.192/28IPv416HKToo specific
175.100.202.208/32IPv41HKToo specific
175.100.202.209/32IPv41HKToo specific
175.100.202.210/31IPv42HKToo specific
175.100.202.212/30IPv44HKToo specific
175.100.202.216/30IPv44HKToo specific
175.100.202.220/32IPv41HKToo specific
175.100.202.221/32IPv41HKToo specific
175.100.202.222/31IPv42HKToo specific
175.100.202.224/28IPv416HKToo specific
175.100.202.240/32IPv41HKToo 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.