Network: AT-88-Z

This network has contributed 59 unique IP addresses across 1,583 failed authentication events, accounting for 46,825 messages. Activity spans from March 13, 2024 to May 22, 2026, with peak volume in September 2025 (2,574 events). The top countries by failure volume are United States (93%), Ireland (5%), Canada (2%). The most active source IPs from this network include 35.174.145.124 (16,073 failures), 52.212.19.177 (909 failures), 15.222.110.90 (393 failures). A single IP dominates activity from AT-88-Z (Amazon), suggesting a concentrated or persistent source rather than distributed infrastructure.