Network: CHINANET-SD

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

Network Information

WHOIS Owner:: CHINANET SHANDONG PROVINCE NETWORK Shandong Telecom Corporation No.999,Shunhua road,Jinan,Shandong
Countries:: CN

Unique IPs:: 2

CIDR:: 58.56.0.0 - 58.59.127.255

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 16 messages. Activity spans from June 12, 2026 to August 3, 2026, with peak volume in June 2026 (1 event). The top countries by failure volume are China (100%). The most active source IPs from this network include 58.56.136.172 (1 failure), 58.56.147.123 (1 failure). Failures from CHINANET-SD 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 16 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
8/3/2026	58.56.147.123	CN	2
6/12/2026	58.56.136.172	CN	14

Countries

China