Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection

Network: Administracion Nacional de Telecomunicaciones

This page shows DMARC authentication failures originating from the Administracion Nacional de Telecomunicaciones network. Learn more about this data.

Network Information
WHOIS Owner:
Administracion Nacional de Telecomunicaciones
Address:
Guatemala, 1075, Torre de las Telecomunicaciones, 11800 - Montevideo - Montevideo
Countries:
UY
Unique IPs:
6
CIDRs:
167.56.0.0/13, 186.52.0.0/14, (more)

Analysis

This network has contributed 6 unique IP addresses across 6 failed authentication events, accounting for 16 messages. Activity spans from February 7, 2025 to July 2, 2025, with peak volume in February 2025 (2 events). The top countries by failure volume are Uruguay (100%). The most active source IPs from this network include 167.57.82.158 (1 failure), 167.60.54.233 (1 failure), 167.62.105.112 (1 failure). Failures from Administracion Nacional de Telecomunicaciones are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-6 of 6 failures, affecting 16 messages
Countries