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

Network: Operbes, S.A. de C.V.

This page shows DMARC authentication failures originating from the Operbes, S.A. de C.V. network. Learn more about this data.

Network Information
WHOIS Owner:
Operbes, S.A. de C.V.
Address:
Avenida Vasco de Quiroga, 2000, Col. Santa Fe, 01210 - Alcaldía Alvaro Obregon - CX
Countries:
MX
Unique IPs:
2
CIDRs:
189.202.128.0/17, 201.140.96.0/19

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 5 messages. Activity spans from November 21, 2024 to January 15, 2026, with peak volume in November 2024 (1 event). The top countries by failure volume are Mexico (100%). The most active source IPs from this network include 189.202.207.141 (1 failure), 201.140.111.154 (1 failure). Failures from Operbes, S.A. de C.V. are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 5 messages
Countries