IP Address: 85.138.254.183

This page shows DMARC authentication failure data for this IP address. Learn more about this data.

Geolocation Information

Country:: PT Portugal
Region:: Lisbon
City:: Lisbon
Coordinates:: 38.7219, -9.1398

WHOIS Information

Network Name:: NOS
CIDR:: 85.138.192.0/18
Owner:: NOS COMUNICACOES S.A.
Reverse DNS:: a85-138-254-183.cpe.netcabo.pt
Last updated: 2/5/2026

Analysis

This IP was observed on a single date: April 21, 2025. It has been associated with 1 failed authentication event affecting 4 messages — a single isolated event. The IP belongs to NOS (NOS COMUNICACOES S.A.), a network with activity associated with Portugal.

Failures Detected from this IP

Showing 1-1 of 1 failures, affecting 4 messages

Date ▼	Messages
4/21/2025	4

External Reputation Lookups

Look up this IP in external threat intelligence and reputation databases (opens in new tab):

AbuseIPDB Cisco Talos Project Honey Pot GreyNoise VirusTotal Shodan Censys Spamhaus