ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
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:
7
CIDRs:
167.56.0.0/13, 186.52.0.0/14, (more)

Analysis

This network has contributed 7 unique IP addresses across 7 failed authentication events, accounting for 20 messages. Activity spans from February 7, 2025 to September 1, 2026, 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 167.60.54.233 (1 failure), 167.62.105.112 (1 failure), 167.57.82.158 (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 1-7 of 7 failures, affecting 20 messages
Date โ–ผ Source IP Country Messages
9/1/2026 186.55.18.49 UY4
7/2/2025 190.133.20.38 UY2
6/23/2025 186.54.126.25 UY1
6/23/2025 186.55.14.140 UY1
4/19/2025 167.60.54.233 UY4
2/13/2025 167.57.82.158 UY4
2/7/2025 167.62.105.112 UY4
Countries