Network: NTS-04

This page shows DMARC authentication failures originating from the NTS-04 network. Learn more about this data.

Network Information

WHOIS Owner:: ORG-RPOE1-RIPE
Countries:: UA

Unique IPs:: 3

CIDR:: 185.243.99.0/24

Analysis

This network has contributed 3 unique IP addresses across 7 failed authentication events, accounting for 7 messages. Activity spans from July 22, 2025 to July 6, 2026, with peak volume in July 2026 (3 events). The top countries by failure volume are Ukraine (100%). The most active source IPs from this network include 185.243.99.53 (3 failures), 185.243.99.43 (2 failures), 185.243.99.74 (2 failures). Failures from NTS-04 are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network

Showing 1-7 of 7 failures, affecting 7 messages

Show Confoundersⓘ

Date ▲	Source IP	Country	Messages
7/22/2025	185.243.99.74	UA	1
7/27/2025	185.243.99.74	UA	1
6/26/2026	185.243.99.53	UA	1
6/27/2026	185.243.99.53	UA	1
7/5/2026	185.243.99.43	UA	1
7/6/2026	185.243.99.43	UA	1
7/6/2026	185.243.99.53	UA	1

Countries

Ukraine