Autonomous system profile

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

AS33189

Announcement observedARIN

SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents · SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK

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

Last active10/26/2026, 23:21:42Snapshot expired

View network topology RDAP registration

ASN: AS33189
Registration country: United States
Name: SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents
Abbreviation: SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK
Registration date: 10/20/2004, 14:28:06
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
151.159.220.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
151.159.222.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
206.176.14.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
206.176.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
206.71.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK - South Dakota Board of Regents
RIR: ARIN
Registration country: United States
Registration date: 10/20/2004, 14:28:06
Abuse contact: Steve.Bauer@sdsmt.edu

Snapshot trend

10/26/2026, 23:21:425 v41 v64 Upstream · 0 Uncertain

10/2/2026, 14:35:365 v41 v64 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: rir-rdap-asn · cha-la-external-routing · iana-rdap-asn-bootstrap · cha-la-bgp-observations