Autonomous system profile

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

AS398097

Announcement observedARIN

WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation · WINTRUST-FINANCIAL-CORPORATION-EG-IL

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

Last active10/12/2026, 18:57:19Snapshot expired

View network topology RDAP registration

ASN: AS398097
Registration country: United States
Name: WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation
Abbreviation: WINTRUST-FINANCIAL-CORPORATION-EG-IL
Registration date: 10/29/2019, 18:53:46
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
161.199.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/28/2026, 08:00:00	10/12/2026, 08:00:00	✓	×	Historical record
161.199.77.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/28/2026, 08:00:00	10/12/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation
RIR: ARIN
Registration country: United States
Registration date: 10/29/2019, 18:53:46
Abuse contact: wtfcextdom@wintrust.com

Snapshot trend

10/12/2026, 18:57:192 v40 v61 Upstream · 0 Uncertain

10/12/2026, 05:39:200 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 · rir-rdap-asn · iana-rdap-asn-bootstrap