205.157.136.0/24

🇺🇸

CIDR

205.157.136.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Ashburn

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
205.157.136.0/24	AS54121DMSAS - David M. Schwarz Architects, Inc.	Valid	—	5/30/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
205.157.128.0/20	AS2914NTT-DATA-2914 - NTT America, Inc.	Valid	—	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
205.157.136.0/24	AS54121	/24	arin
205.157.128.0/20	AS2914	/20	arin

Origin ASN

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CityAshburn

API

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

curl -s "https://api.ipctl.io/v1/prefix/205.157.136.0/24" | jq

External Links