asn.dev

Address space

AS4664 HIT-KR-AP - Shinbiro

Unclassified APNIC

IPv4 prefixes 19 5.12K addresses
IPv6 prefixes 0
Most common size /23 IPv4
Flagged 8

Shape

IPv4 prefix sizes

All IPv4
/22
/22: 1
1
/23
/23: 5
5
/24
/24: 5
5
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/29
/29: 1
1
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1

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 of19

Review

Flagged prefixes

8 of 19
PrefixFamilyAddressesCountryFlags
203.251.216.0/29IPv48KRToo specific
203.251.216.8/30IPv44KRToo specific
203.251.216.12/31IPv42KRToo specific
203.251.216.14/32IPv41KRToo specific
203.251.216.16/28IPv416KRToo specific
203.251.216.32/27IPv432KRToo specific
203.251.216.64/26IPv464KRToo specific
203.251.216.128/25IPv4128KRToo specific

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