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

Network: CENTURYLINK-LEGACY-QWEST-INET-18

This page shows DMARC authentication failures originating from the CENTURYLINK-LEGACY-QWEST-INET-18 network. Learn more about this data.

Network Information
Owner:
Lumen
Org ID:
CCL-534
Address:
100 CENTURYLINK DR, Monroe, LA 71201
Countries:
US
Unique IPs:
1
CIDR:
65.128.0.0/11

Analysis

This network has contributed 1 unique IP address across 3 failed authentication events, accounting for 3 messages. Activity spans from February 14, 2025 to March 28, 2025, with peak volume in February 2025 (2 events). The top countries by failure volume are United States (100%). The most active source IP from this network includes 65.155.116.20 (3 failures). A single IP dominates activity from CENTURYLINK-LEGACY-QWEST-INET-18 (Lumen), a commercial ISP,, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network
Showing 1-3 of 3 failures, affecting 3 messages
Countries