61.205.0.0/20

🇯🇵

IPv4APNICannouncedAS17511OPTAGE - OPTAGE Inc. RPKI Valid

CIDR

61.205.0.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

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
61.205.0.0/20	AS17511OPTAGE - OPTAGE Inc.	Valid	RADB	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
61.205.0.0/20	AS17511	/32	apnic

Origin	Registry	Maintainer	Modified
AS17511	RADB	MAINT-AS17511	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/61.205.0.0/20" | jq

External Links