Network: NOWO

This page shows DMARC authentication failures originating from the NOWO network. Learn more about this data.

Network Information

WHOIS Owner:: NOWO COMMUNICATIONS, S.A. Internet Service Provider Caldas Rainha Residential Customers Net
Countries:: PT

Unique IPs:: 1

CIDR:: 217.129.224.0/20

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 2 messages. Activity from this network was observed on June 23, 2025. The top countries by failure volume are Portugal (100%). The most active source IP from this network includes 217.129.239.93 (1 failure). A single IP dominates activity from NOWO, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 failures, affecting 2 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
6/23/2025	217.129.239.93	PT	2

Countries

Portugal