Autonomous system profile

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

AS395490

Announcement observedARIN

County of Lake · LAKECOUNTYILLINOISGOVERNMENT

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

Last active10/21/2026, 01:09:37Snapshot expired

View network topology RDAP registration

ASN: AS395490
Registration country: United States
Name: County of Lake
Abbreviation: LAKECOUNTYILLINOISGOVERNMENT
Registration date: 8/26/2016, 15:06:43
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
204.58.204.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/6/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
204.58.204.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/6/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
204.58.206.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/6/2026, 08:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: County of Lake
RIR: ARIN
Registration country: United States
Registration date: 8/26/2016, 15:06:43
Abuse contact: abuse@co.lake.il.us

Snapshot trend

10/21/2026, 01:09:373 v40 v61 Upstream · 0 Uncertain

10/21/2026, 01:06:250 v40 v60 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