131.210.0.0/16

🇺🇸

CIDR

131.210.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Kenosha

RIR

ARIN

Status

allocated

Allocated

1/17/1989

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
131.210.0.0/16	AS3128BRUWS-AS3128 - University of Wisconsin System	Valid	ARIN	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
131.210.0.0/16	AS3128	/16	arin

Origin	Registry	Maintainer	Modified
AS3128	ARIN	MNT-UNIVER-79-Z	5/22/2025

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionWisconsin

CityKenosha

API

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

curl -s "https://api.ipctl.io/v1/prefix/131.210.0.0/16" | jq

External Links