asn.dev

Address space

AS9952 HOSTWAY-AS-KR Hostway IDC

Hosting APNIC NSP

IPv4 prefixes 82 47.61K addresses
IPv6 prefixes 0
Most common size /24 IPv4
Flagged 32

Shape

IPv4 prefix sizes

All IPv4
/20
/20: 2
2
/21
/21: 8
8
/22
/22: 12
12
/23
/23: 11
11
/24
/24: 17
17
/25
/25: 3
3
/26
/26: 3
3
/27
/27: 2
2
/28
/28: 3
3
/29
/29: 5
5
/30
/30: 4
4
/31
/31: 4
4
/32
/32: 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

This network announces no IPv6 we can see.

Geography

Where the space lands

CountryNamePrefixes
KRKorea, Republic of82

Review

Flagged prefixes

32 of 82
PrefixFamilyAddressesCountryFlags
61.100.180.0/25IPv4128KRToo specific
61.100.180.128/28IPv416KRToo specific
61.100.180.144/31IPv42KRToo specific
61.100.180.147/32IPv41KRToo specific
61.100.180.148/30IPv44KRToo specific
61.100.180.152/29IPv48KRToo specific
61.100.180.160/27IPv432KRToo specific
61.100.180.192/26IPv464KRToo specific
203.248.21.0/25IPv4128KRToo specific
203.248.21.128/26IPv464KRToo specific
203.248.21.192/29IPv48KRToo specific
203.248.21.200/31IPv42KRToo specific
203.248.21.203/32IPv41KRToo specific
203.248.21.205/32IPv41KRToo specific
203.248.21.206/32IPv41KRToo specific
203.248.21.209/32IPv41KRToo specific
203.248.21.211/32IPv41KRToo specific
203.248.21.212/30IPv44KRToo specific
203.248.21.216/29IPv48KRToo specific
203.248.21.225/32IPv41KRToo specific
203.248.21.226/31IPv42KRToo specific
203.248.21.228/30IPv44KRToo specific
203.248.21.232/29IPv48KRToo specific
203.248.21.240/28IPv416KRToo specific
211.239.121.0/25IPv4128KRToo 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.