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: NL-PROOFPOINT

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

Network Information
WHOIS Owner:
ORG-PI69-RIPE
Countries:
NL
Unique IPs:
1
CIDR:
91.207.212.0/23

Analysis

This network has contributed 1 unique IP address across 2 failed authentication events, accounting for 2 messages. Activity spans from September 27, 2024 to October 23, 2024, with peak volume in September 2024 (1 event). The top countries by failure volume are The Netherlands (100%). The most active source IP from this network includes 91.207.212.198 (2 failures). A single IP dominates activity from NL-PROOFPOINT, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 2 messages
Date โ–ผ Source IP Country Messages
10/23/2024 91.207.212.198 NL1
9/27/2024 91.207.212.198 NL1