Data as of Nov 12, 2026

158.70.8.0/21

No anonymizer space · no proxy exits in 30 days

U.S. Dept. of Health and Human Services

Announcement

No RPKI

Announced by

Type

Unknown

Announcements

Nesting

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Prefix	Origin	Type	Holder
158.70.8.0/23 since Jun 2017	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.8.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.9.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.10.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.11.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.12.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.13.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.14.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services
158.70.15.0/24 since Aug 2016	AS7046	Unknown	U.S. Dept. of Health and Human Services

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
158.70.0.0/16	65,536	NET-HHS1	U.S. Dept. of Health and Human Services (UDHHS) · US	Direct Allocation	Feb 15, 1992	—
└ 158.70.8.0/21	2,048	DHHS-OIG-NETWORK	U.S. Dept. of Health & Human Service/Office of Inspector General (C02269825) · US	Reassigned	Jul 7, 2009	—

Routing timeline

158.70.0.0/16

Recorded history