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Autonomous System

AS398097

Wintrust Financial Corporation

Announced IPs
512
CIDR prefixes
1
ASN
AS398097

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
161.199.76.0/23 512
2.1%
Wintrust Financial Corporation US Illinois Oak Park

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS398097 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
161.199.76.0/24 6,821 2026-07-29 16:55:51
161.199.77.0/24 6,584 2026-07-29 14:55:30

Frequently Asked Questions

What is AS398097?

AS398097 is an Autonomous System Number assigned to Wintrust Financial Corporation. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS398097 announce?

AS398097 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS398097?

AS398097 is operated by Wintrust Financial Corporation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS398097 registered in?

AS398097 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-29 17:25:31 UTC
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