Network: OCN

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

Network Information

WHOIS Owner:: Open Computer Network
Countries:: JP

Unique IPs:: 1

CIDR:: 122.17.128.0 - 122.17.191.255

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 July 21, 2026. The top countries by failure volume are Japan (100%). The most active source IP from this network includes 122.17.164.107 (1 failure). A single IP dominates activity from OCN, 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
7/21/2026	122.17.164.107	JP	1

Countries

Japan