Network: DNIC-140-017

This page shows DMARC authentication failures originating from the DNIC-140-017 network. Learn more about this data.

Network Information

Org ID:: USDDD
Address:: 3990 E. Broad Street, Columbus, OH 43218
Countries:: US

Unique IPs:: 6

CIDR:: 140.17.0.0/16

Analysis

This network has contributed 6 unique IP addresses across 7 failed authentication events, accounting for 7 messages. Activity from this network spans from May 28, 2025 to December 18, 2025. Activity from DNIC-140-017 has been observed from United States.

Failures Detected from this Network

Showing 1-7 of 7 (failures, affecting 7 messages)

Show Confoundersⓘ

Date ▼	Source IP	Country	Messages
12/18/2025	140.17.113.224	US	1
12/18/2025	140.17.137.229	US	1
11/20/2025	140.17.137.229	US	1
11/20/2025	140.17.137.235	US	1
9/3/2025	140.17.27.224	US	1
9/3/2025	140.17.27.225	US	1
5/28/2025	140.17.137.224	US	1

Countries

United States