Network: SAKURA-NET

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

Network Information

WHOIS Owner:: SAKURA Internet Inc.
Countries:: JP

Unique IPs:: 2

CIDRs:: 153.125.138.0 - 153.125.138.255, 49.212.142.0 - 49.212.142.255

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 3 messages. Activity from this network was observed on May 26, 2026. The top countries by failure volume are Japan (100%). The most active source IPs from this network include 153.125.138.166 (2 failures), 49.212.142.209 (1 failure). A single IP dominates activity from SAKURA-NET, suggesting a concentrated or persistent source rather than distributed infrastructure.

Failures Detected from this Network

Showing 1-2 of 2 failures, affecting 3 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
5/26/2026	153.125.138.166	JP	2
5/26/2026	49.212.142.209	JP	1

Countries

Japan