Data as of Nov 6, 2026

165.112.136.0/21

No anonymizer space · no proxy exits in 30 days

National Institutes of Health

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Recent change

New origin Sep 18, 2026

from AS30387 National Institutes of Health

Announcements

Less specific

Prefix	Origin	Type	Holder	RPKI
165.112.0.0/16 since Feb 2020	AS3527	Business	National Institutes of Health

More specific

Prefix	Origin	Type	Holder	RPKI
165.112.140.0/24 since May 2020	AS393689	Business	National Institutes of Health

Origin network

Name: National Institutes of Health
Type: Business
Registered: Apr 7, 1994
Domain: nih.gov
Industry: Government and Regulatory Agencies, Administrations, Departments, and Services
Spamhaus ASN-DROP: not listed

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
165.112.136.0/21	AS30387	/27	ARIN	Another network
165.112.0.0/16	AS3527	/25	ARIN	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS3527	RADB	Proxy-registered route object for NIH	MAINT-AS10886	Nov 13, 2023
AS30387 not the origin	ARIN	National Institutes of Health	MNT-NIH-Z	Jun 23, 2026

IRR inside

Prefix	Origin	Registry	Description	Maintainer	Modified
165.112.137.0/24	AS3527	RADB	Proxy-registered route object for NIH	MAINT-AS10886	Nov 13, 2023
165.112.138.0/24	AS3527	RADB	Proxy-registered route object for NIH	MAINT-AS10886	Nov 13, 2023