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

Network: INTRMD-3

This page shows DMARC authentication failures originating from the INTRMD-3 network. Learn more about this data.

Network Information
Owner:
Intermedia
Org ID:
IMED
Address:
1050 Enterprise Way, Suite 200, Sunnyvale, CA 94089
Countries:
US
Unique IPs:
4
CIDR:
199.193.200.0/21

Analysis

This network has contributed 4 unique IP addresses across 12 failed authentication events, accounting for 17 messages. Activity spans from May 1, 2025 to June 23, 2026, with peak volume in June 2026 (3 events). The top countries by failure volume are United States (100%). The most active source IPs from this network include 199.193.205.208 (9 failures), 199.193.206.194 (1 failure), 199.193.206.196 (1 failure). Failures from INTRMD-3 (Intermedia) are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-12 of 12 failures, affecting 17 messages
Countries