207.75.144.0/20

🇺🇸

CIDR

207.75.144.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Ann Arbor (Thurston)

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
207.75.144.0/20	AS36375UMICH-AS-5 - University of Michigan	Valid	RADB	6/13/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
207.72.0.0/14	AS237MERIT-AS-14 - Merit Network Inc.	Valid	—	6/13/2026

Prefix	Origin	Max Length	Trust Anchor
207.75.144.0/20	AS36375	/20	arin
207.72.0.0/14	AS237	/14	arin

Origin	Registry	Maintainer	Modified
AS36375	RADB	MAINT-AS36375	11/13/2023

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionMichigan

CityAnn Arbor (Thurston)

API

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

curl -s "https://api.ipctl.io/v1/prefix/207.75.144.0/20" | jq

External Links