Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS19050

Announcement observedARIN

U.S. Department of Health & Human Services · TIC-DHHS-INTERIOR

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/1/2026, 00:36:24Snapshot expired

View network topology RDAP registration

ASN: AS19050
Registration country: United States
Name: U.S. Department of Health & Human Services
Abbreviation: TIC-DHHS-INTERIOR
Registration date: 10/3/2012, 20:50:47
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
156.40.197.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
156.40.246.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
156.40.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
156.40.94.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
156.40.95.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
158.71.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
158.73.183.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
158.73.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
158.73.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
158.74.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	11/2/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: U.S. Department of Health & Human Services
RIR: ARIN
Registration country: United States
Registration date: 10/3/2012, 20:50:47
Abuse contact: citnsarin@mail.nih.gov

Snapshot trend

10/1/2026, 00:36:2410 v43 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn