203.201.52.0/22

🇯🇵

IPv4APNICallocatedAS23780CTB - CTB Media Inc. RPKI Valid

CIDR

203.201.52.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

APNIC

Status

allocated

Allocated

4/11/2011

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
203.201.52.0/22	AS23780CTB - CTB Media Inc.	Valid	RADB	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
203.201.52.0/22	AS23780	/24	apnic

Origin	Registry	Maintainer	Modified
AS23780	RADB	MAINT-AS2516	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/203.201.52.0/22" | jq

External Links