Network: CHINANET-HB

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

Network Information

WHOIS Owner:: CHINANET Hubei province network Data Communication Division China Telecom
Countries:: CN

Unique IPs:: 1

CIDR:: 171.40.0.0 - 171.47.255.255

Analysis

This network has contributed 1 unique IP address across 1 failed authentication event, accounting for 1 message. Activity from this network was observed on February 12, 2026. The top countries by failure volume are China (100%). The most active source IP from this network includes 171.43.67.220 (1 failure). A single IP dominates activity from CHINANET-HB, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-1 of 1 (failures, affecting 1 message)

Show Confoundersⓘ

Date ▲	Source IP	Country	Messages
2/12/2026	171.43.67.220	CN	1

Countries

China