Autonomous system profile

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

AS21633

Announcement observedARIN

DOI-NBC-NET - U.S. Department of the Interior · DOI-NBC-NET

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

Last active10/1/2026, 07:51:13Snapshot expired

View network topology RDAP registration

ASN: AS21633
Registration country: United States
Name: DOI-NBC-NET - U.S. Department of the Interior
Abbreviation: DOI-NBC-NET
Registration date: 6/1/2001, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
137.227.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/10/2026, 00:00:00	✓	×	Currently valid
199.5.233.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/10/2026, 00:00:00	✓	×	Currently valid
205.173.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/10/2026, 00:00:00	✓	×	Currently valid
205.173.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/10/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: DOI-NBC-NET - U.S. Department of the Interior
RIR: ARIN
Registration country: United States
Registration date: 6/1/2001, 04:00:00
Abuse contact: steven_harrington@ios.doi.gov

Snapshot trend

10/1/2026, 07:51:134 v40 v62 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