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 8 failed authentication events, accounting for 9 messages. Activity spans from May 1, 2025 to April 9, 2026, with peak volume in May 2025 (2 events). The top countries by failure volume are United States (100%). The most active source IPs from this network include 199.193.205.208 (5 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 1-8 of 8 failures, affecting 9 messages
Countries