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

Network: BOUYGTEL-ISP-WIRELINE

This page shows DMARC authentication failures originating from the BOUYGTEL-ISP-WIRELINE network. Learn more about this data.

Network Information
WHOIS Owner:
BOUYGUES Telecom ISP
Countries:
FR
Unique IPs:
1
CIDR:
5.48.0.0/14

Analysis

This network has contributed 1 unique IP address across 13 failed authentication events, accounting for 19 messages. Activity spans from October 9, 2025 to January 19, 2026, with peak volume in November 2025 (9 events). The top countries by failure volume are France (100%). The most active source IP from this network includes 5.50.219.139 (19 failures). A single IP dominates activity from BOUYGTEL-ISP-WIRELINE, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-13 of 13 failures, affecting 19 messages
Date โ–ผ Source IP Country Messages
1/19/2026 5.50.219.139 FR 1
12/31/2025 5.50.219.139 FR 1
12/11/2025 5.50.219.139 FR 2
12/3/2025 5.50.219.139 FR 2
11/28/2025 5.50.219.139 FR 2
11/25/2025 5.50.219.139 FR 2
11/24/2025 5.50.219.139 FR 2
11/13/2025 5.50.219.139 FR 1
11/12/2025 5.50.219.139 FR 1
11/7/2025 5.50.219.139 FR 1
10/11/2025 5.50.219.139 FR 1
10/10/2025 5.50.219.139 FR 2
10/9/2025 5.50.219.139 FR 1
Countries