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: KPN

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

Network Information
WHOIS Owner:
PIADDR
Countries:
NL
Unique IPs:
1
CIDR:
77.160.0.0/13

Analysis

This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 4 messages. Activity spans from August 25, 2026 to August 31, 2026, with peak volume in August 2026 (4 events). The top countries by failure volume are The Netherlands (100%). The most active source IP from this network includes 77.164.92.133 (4 failures). A single IP dominates activity from KPN, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 4 messages
Date โ–ผ Source IP Country Messages
8/31/2026 77.164.92.133 NL1
8/30/2026 77.164.92.133 NL2
8/25/2026 77.164.92.133 NL1