Network: HINET-NET

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

Network Information

WHOIS Owner:: Chunghwa Telecom Data Communication Business Group No.21, Hsin-Yi Rd., sec. 1 Taipei Taiwan
Countries:: TW

Unique IPs:: 7

CIDRs:: 1.169.0.0 - 1.169.255.255, 203.69.209.0 - 203.69.209.255, (more)

Analysis

This network has contributed 7 unique IP addresses across 17 failed authentication events, accounting for 27 messages. Activity spans from October 7, 2025 to July 22, 2026, with peak volume in March 2026 (13 events). The top countries by failure volume are Taiwan (100%). The most active source IPs from this network include 61.220.94.221 (7 failures), 203.69.214.238 (6 failures), 220.134.175.115 (3 failures). Failures from HINET-NET, a commercial ISP, are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network

Showing 1-17 of 17 failures, affecting 27 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
7/22/2026	220.134.175.115	TW	1
6/18/2026	220.134.175.115	TW	1
6/17/2026	220.134.175.115	TW	1
4/7/2026	1.169.73.174	TW	4
4/5/2026	61.220.94.221	TW	2
3/31/2026	203.69.214.238	TW	3
3/31/2026	61.220.94.221	TW	1
3/30/2026	203.69.214.238	TW	2
3/21/2026	203.69.214.238	TW	3
3/18/2026	61.220.94.221	TW	1
3/16/2026	61.220.94.221	TW	1
3/16/2026	61.220.94.222	TW	2
3/15/2026	61.220.94.221	TW	1
3/13/2026	61.220.94.221	TW	1
10/10/2025	203.69.209.165	TW	1
10/8/2025	203.69.209.166	TW	1
10/7/2025	203.69.209.165	TW	1

Countries

Taiwan