IP Address: 208.84.65.209 ⚠ Network Confounder

⚠ Network Confounder Detected: Proofpoint Email Security
Proofpoint network identifier

This page shows DMARC authentication failure data for this IP address. Learn more about this data.

Geolocation Information

Country:: US United States
Coordinates:: 37.751, -97.822

WHOIS Information

Network Name:: PROOFPOINT-NET-NORTH-AMERICA
CIDR:: 208.84.64.0/22
Owner:: Proofpoint, Inc.
Org ID:: PROOF
Address:: 925 W Maude Ave, Sunnyvale, CA 94085
Reverse DNS:: mx0a-001f8801.pphosted.com
Last updated: 2/5/2026

Analysis

This IP was first observed on June 19, 2025 and most recently on October 1, 2025. It has been associated with 9 failed authentication events affecting 9 messages, representing moderate activity. The IP belongs to PROOFPOINT-NET-NORTH-AMERICA (Proofpoint, Inc.), a network with activity associated with United States.

Failures Detected from this IP

Showing 1-9 of 9 failures, affecting 9 messages

Date ▼	Messages
10/1/2025	1
9/24/2025	1
9/19/2025	1
9/17/2025	1
9/12/2025	1
9/10/2025	1
7/17/2025	1
7/11/2025	1
6/19/2025	1

External Reputation Lookups

Look up this IP in external threat intelligence and reputation databases (opens in new tab):

AbuseIPDB Cisco Talos Project Honey Pot GreyNoise VirusTotal Shodan Censys Spamhaus