asn.dev

Address space

AS4670 HYUNDAI-KR Shinbiro

Unclassified APNIC

IPv4 prefixes 631 426K addresses
IPv6 prefixes 0
Most common size /24 IPv4
Flagged 219

Shape

IPv4 prefix sizes

All IPv4
/18
/18: 1
1
/19
/19: 6
6
/20
/20: 23
23
/21
/21: 43
43
/22
/22: 75
75
/23
/23: 115
115
/24
/24: 149
149
/25
/25: 16
16
/26
/26: 16
16
/27
/27: 22
22
/28
/28: 23
23
/29
/29: 21
21
/30
/30: 25
25
/31
/31: 47
47
/32
/32: 49
49

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 of631

Review

Flagged prefixes

219 of 631
PrefixFamilyAddressesCountryFlags
58.180.101.0/29IPv48KRToo specific
58.180.101.9/32IPv41KRToo specific
58.180.101.10/31IPv42KRToo specific
58.180.101.12/30IPv44KRToo specific
58.180.101.16/28IPv416KRToo specific
58.180.101.32/27IPv432KRToo specific
58.180.101.64/26IPv464KRToo specific
58.180.101.128/25IPv4128KRToo specific
58.180.230.0/25IPv4128KRToo specific
58.180.230.128/28IPv416KRToo specific
58.180.230.144/32IPv41KRToo specific
58.180.230.146/31IPv42KRToo specific
58.180.230.148/30IPv44KRToo specific
58.180.230.152/29IPv48KRToo specific
58.180.230.160/27IPv432KRToo specific
58.180.230.192/26IPv464KRToo specific
202.30.147.0/32IPv41KRToo specific
202.30.147.2/31IPv42KRToo specific
202.30.147.4/32IPv41KRToo specific
202.30.147.6/31IPv42KRToo specific
202.30.147.8/32IPv41KRToo specific
202.30.147.10/31IPv42KRToo specific
202.30.147.12/32IPv41KRToo specific
202.30.147.14/31IPv42KRToo specific
202.30.147.16/32IPv41KRToo 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.