204.8.136.0/21

🇺🇸

IPv4ARINallocatedAS19740SUDJAM - Sudjam, LLC RPKI Valid

CIDR

204.8.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇺🇸 United States

City

Redmond (Downtown)

RIR

ARIN

Status

allocated

Allocated

3/22/2011

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
204.8.136.0/21	AS19740SUDJAM - Sudjam, LLC	Valid	RADB	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
204.8.136.0/21	AS19740	/24	arin

Origin	Registry	Maintainer	Modified
AS19740	RADB	MAINT-AS19740	12/2/2025

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CityRedmond (Downtown)

API

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

curl -s "https://api.ipctl.io/v1/prefix/204.8.136.0/21" | jq

External Links