173.39.192.0/20

🇯🇵

CIDR

173.39.192.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇯🇵 Japan

City

Shibuya City

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
173.39.192.0/20	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	ARIN	6/1/2026

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
173.36.0.0/14	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	—	6/1/2026
173.39.200.0/23	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	—	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
173.38.0.0/15	AS198949	/24	arin
173.36.0.0/14	AS109	/24	arin

Origin	Registry	Maintainer	Modified
AS109	ARIN	MNT-CS-2831	10/25/2023
AS198949	RADB	MAINT-AS198949	8/5/2025

Origin ASN

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityShibuya City

API

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

curl -s "https://api.ipctl.io/v1/prefix/173.39.192.0/20" | jq

External Links