206.176.0.0/21

🇺🇸

CIDR

206.176.0.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Vermillion

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
206.176.0.0/21	AS11736USD - University of South Dakota	Valid	ARIN	5/31/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
206.176.0.0/20	AS11736USD - University of South Dakota	Valid	—	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
206.176.0.0/20	AS11736	/24	arin
206.176.0.0/17	AS14263	/24	arin

Origin	Registry	Maintainer	Modified
AS11736	ARIN	MNT-SDSG	-

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionSouth Dakota

CityVermillion

API

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

curl -s "https://api.ipctl.io/v1/prefix/206.176.0.0/21" | jq

External Links