Autonomous system profile

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

AS22215

Announcement observedARIN

BHSU - Black Hills State University · BHSU

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

Last active10/1/2026, 09:23:27Snapshot expired

View network topology RDAP registration

ASN: AS22215
Registration country: United States
Name: BHSU - Black Hills State University
Abbreviation: BHSU
Registration date: 8/21/2001, 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
198.177.154.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
204.52.252.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
206.176.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
206.176.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
206.176.39.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
206.176.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid
206.176.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: BHSU - Black Hills State University
RIR: ARIN
Registration country: United States
Registration date: 8/21/2001, 04:00:00
Abuse contact: joel.lapka@bhsu.edu

Snapshot trend

10/1/2026, 09:23:277 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