Autonomous system profile

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

AS26810

Announcement observedARIN

HHSNET-NOC-ASN - U.S. Dept. of Health and Human Services · HHSNET-NOC-ASN

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

Last active10/1/2026, 21:46:38Snapshot expired

View network topology RDAP registration

ASN: AS26810
Registration country: United States
Name: HHSNET-NOC-ASN - U.S. Dept. of Health and Human Services
Abbreviation: HHSNET-NOC-ASN
Registration date: 11/25/2002, 23:08:58
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
158.70.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.70.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.71.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.71.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.71.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.71.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.71.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.72.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.72.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.74.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.74.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
158.74.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
162.99.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
162.99.128.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
162.99.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
198.102.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
198.179.0.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid
198.179.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/1/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: HHSNET-NOC-ASN - U.S. Dept. of Health and Human Services
RIR: ARIN
Registration country: United States
Registration date: 11/25/2002, 23:08:58
Abuse contact: abuse@hhs.gov

Snapshot trend

10/1/2026, 21:46:3818 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 · rir-rdap-asn · iana-rdap-asn-bootstrap