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

Network: HKT-BIA

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

Network Information
WHOIS Owner:
Hong Kong Telecommunications (HKT) Limited Business Internet
Countries:
HK
Unique IPs:
2
CIDRs:
210.87.240.0/21, 42.200.64.0/19

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 2 messages. Activity spans from February 3, 2025 to May 3, 2026, with peak volume in February 2025 (1 event). The top countries by failure volume are Hong Kong (100%). The most active source IPs from this network include 210.87.247.10 (1 failure), 42.200.75.233 (1 failure). Failures from HKT-BIA are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 2 messages
Countries