209.251.32.0/20

🇺🇸

CIDR

209.251.32.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

Cockeysville (Hunt Valley)

RIR

ARIN

Status

allocated

Allocated

7/17/1998

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
209.251.32.0/20	AS11023SYSSRC - System Source	Valid	ARIN	6/1/2026

Prefix	Origin	Max Length	Trust Anchor
209.251.32.0/20	AS11023	/20	arin

Origin	Registry	Maintainer	Modified
AS11023	ARIN	MNT-SYSO	8/26/2021

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionMaryland

CityCockeysville (Hunt Valley)

API

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

curl -s "https://api.ipctl.io/v1/prefix/209.251.32.0/20" | jq

External Links