210.166.5.0/24

🇯🇵

CIDR

210.166.5.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
210.166.5.0/24	AS7668HTCN - Hokuriku Telecommunication Network Co.	Valid	RADB	5/30/2026

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
210.166.0.0/19	AS7672FITWEB - Hokuden Information System Service Co.,Ltd.	Valid	—	5/30/2026
210.166.0.0/20	AS7672FITWEB - Hokuden Information System Service Co.,Ltd.	Valid	—	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
210.166.5.0/24	AS7668	/24	apnic
210.166.0.0/19	AS7672	/20	apnic

Origin	Registry	Maintainer	Modified
AS7668	RADB	MAINT-AS7668	11/13/2023

Origin ASN

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda City

API

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/210.166.5.0/24" | jq

External Links