Home Prefix Lookup192.231.145.0/24

192.231.145.0/24 - National Institutes Of Health (AS3527)

IPv4ARINallocatedAS3527NIH-NET - National Institutes of Health RPKI Valid

CIDR

192.231.145.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Bethesda

RIR

ARIN

Status

allocated

Allocated

1992-10-09

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
192.231.145.0/24	AS3527 NIH-NET - National Institutes of Health	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
192.231.145.0/24	AS3527	/29	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3527	ARIN	MNT-NIH-Z	2025-06-05
AS3527	Other IRR	MAINT-AS10886	2023-11-13

Origin ASN

AS3527

NIH-NET - National Institutes of Health

Related Prefixes

More prefixes of AS3527

All prefixes of AS3527 →

Geolocation

Country🇺🇸United StatesUS

RegionMaryland

CityBethesda

Coordinates38.9994, -77.1030 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/192.231.145.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/192.231.145.0/24" | jq

External Links

RIPEstat