Network: RIPE-NCC

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

Network Information

Org ID:: RIPE
Address:: P.O. Box 10096, Amsterdam, 1001EB
Countries:: ES TR

Unique IPs:: 2

CIDRs:: 45.158.160.0/20, 45.158.128.0/19, 45.157.172.0/22, 45.157.176.0/20, 45.157.192.0/18, 45.158.176.0/22, 45.158.0.0/17, 45.158.184.0/21, 45.159.104.0/22, 45.158.192.0/18, 45.159.0.0/18, 45.159.64.0/19, 45.159.96.0/21

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 2 messages. Activity spans from September 23, 2025 to September 29, 2025, with peak volume in September 2025 (2 events). The top countries by failure volume are Spain (50%), Türkiye (50%). The most active source IPs from this network include 45.158.57.73 (1 failure), 45.159.79.95 (1 failure). Failures from RIPE-NCC are concentrated in two countries, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network

Showing 1-2 of 2 failures, affecting 2 messages

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
9/29/2025	45.158.57.73	TR	1
9/23/2025	45.159.79.95	ES	1

Countries