72.163.240.0/23

🇨🇳

CIDR

72.163.240.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇨🇳 China

City

Shanghai

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
72.163.240.0/23	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	ARINRADB	5/31/2026

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
72.163.0.0/16	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	—	5/31/2026
72.163.224.0/19	AS109CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
72.163.0.0/16	AS109	/24	arin
72.163.0.0/16	AS198949	/24	arin

Origin	Registry	Maintainer	Modified
AS109	ARIN	MNT-CS-2831	10/25/2023
AS109	RADB	MAINT-AS109	11/13/2023

Origin ASN

Geolocation

Country🇨🇳ChinaCN

RegionShanghai

CityShanghai

API

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

curl -s "https://api.ipctl.io/v1/prefix/72.163.240.0/23" | jq

External Links