163.138.224.0/19

🇯🇵

CIDR

163.138.224.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇯🇵 Japan

City

Tachikawa (Midoricho)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
163.138.224.0/19	AS38639HANABI - NTT DOCOMO BUSINESS, Inc.	Valid	APNIC	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
163.138.224.0/19	AS38639	/19	apnic

Origin	Registry	Maintainer	Modified
AS38639	APNIC	MAINT-JP-NTTECL-JP	6/27/2023

Origin ASN

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityTachikawa (Midoricho)

API

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

curl -s "https://api.ipctl.io/v1/prefix/163.138.224.0/19" | jq

External Links