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

Network: RIPE-ERX-158-94-0-0

This page shows DMARC authentication failures originating from the RIPE-ERX-158-94-0-0 network. Learn more about this data.

Network Information
Org ID:
RIPE
Address:
P.O. Box 10096, Amsterdam, 1001EB
Countries:
DE NL US
Unique IPs:
6
CIDR:
158.94.0.0/16

Analysis

This network has contributed 6 unique IP addresses across 26 failed authentication events, accounting for 28 messages. Activity spans from September 11, 2025 to June 4, 2026, with peak volume in May 2026 (11 events). The top countries by failure volume are The Netherlands (50%), United States (32%), Germany (18%). The most active source IPs from this network include 158.94.210.212 (10 failures), 158.94.211.206 (5 failures), 158.94.210.93 (4 failures). The distribution across RIPE-ERX-158-94-0-0 suggests mixed or general-purpose infrastructure.

Failures Detected from this Network
Showing 1-26 of 26 failures, affecting 28 messages
Date โ–ผ Source IP Country Messages
6/4/2026 158.94.210.212 NL 1
6/2/2026 158.94.210.212 NL 1
6/1/2026 158.94.210.212 NL 1
5/26/2026 158.94.210.212 NL 1
5/25/2026 158.94.210.212 NL 1
5/22/2026 158.94.210.212 NL 1
5/20/2026 158.94.210.212 NL 1
5/18/2026 158.94.210.212 NL 1
5/15/2026 158.94.210.212 NL 1
5/13/2026 158.94.210.212 NL 1
5/6/2026 158.94.210.93 NL 1
5/4/2026 158.94.210.93 NL 1
5/3/2026 158.94.210.93 NL 1
5/1/2026 158.94.211.49 US 1
4/28/2026 158.94.210.93 NL 1
4/2/2026 158.94.211.49 US 1
3/25/2026 158.94.211.49 US 1
3/18/2026 158.94.211.154 US 1
2/16/2026 158.94.211.206 US 1
2/9/2026 158.94.211.206 US 1
2/2/2026 158.94.211.206 US 1
1/30/2026 158.94.211.206 US 1
1/29/2026 158.94.211.206 US 1
9/18/2025 158.94.208.16 DE 2
9/16/2025 158.94.208.16 DE 2
9/11/2025 158.94.208.16 DE 1