198.133.0.0/21

🇺🇸

CIDR

198.133.0.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Washington D.C.

RIR

ARIN

Status

allocated

Allocated

5/3/1993

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
198.133.0.0/21	AS7046RFC2270-UUNET-CUSTOMER - Verizon Business	No ROA	—	5/31/2026

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionDistrict of Columbia

CityWashington D.C.

API

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

curl -s "https://api.ipctl.io/v1/prefix/198.133.0.0/21" | jq

External Links