Network: Grupo Fullsat SRL

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

Network Information

WHOIS Owner:: Grupo Fullsat SRL
Address:: 1ro de Mayo, 3351,, 1828 - Buenos Aires -
Countries:: AR

Unique IPs:: 1

CIDR:: 138.59.140.0/22

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 July 25, 2026. The top countries by failure volume are Argentina (100%). The most active source IP from this network includes 138.59.140.158 (1 failure). A single IP dominates activity from Grupo Fullsat SRL, 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
7/25/2026	138.59.140.158	AR	2

Countries

Argentina