Autonomous system profile

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

AS3828

Announcement observedARIN

Cirrus Logic Inc. · CIRRUS

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

Last active10/19/2026, 13:14:14Snapshot expired

View network topology RDAP registration

ASN: AS3828
Registration country: United States
Name: Cirrus Logic Inc.
Abbreviation: CIRRUS
Registration date: 9/16/1994, 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
141.131.0.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/18/2026, 16:00:00	✓	×	Currently valid
141.131.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/18/2026, 16:00:00	✓	×	Currently valid
141.131.1.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/18/2026, 16:00:00	✓	×	Currently valid
141.131.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/18/2026, 16:00:00	✓	×	Currently valid
141.131.3.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/18/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Cirrus Logic Inc.
RIR: ARIN
Registration country: United States
Registration date: 9/16/1994, 04:00:00
Abuse contact: nic@cirrus.com

Snapshot trend

10/19/2026, 13:14:145 v40 v61 Upstream · 0 Uncertain

10/18/2026, 23:19:015 v40 v61 Upstream · 0 Uncertain

9/29/2026, 10:59:035 v40 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