Shame on you, stupid spammers.. Sh4meful  DMARC Spoof Detection

Network: CYBERNET-PK

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

Network Information
WHOIS Owner:
Cyber Internet Services Pakistan A - 904 9th Floor Lakson Square Building No. 3 No. 3, Sarwar Shaheed Road Karachi-74200 Pakistan
Countries:
PK
Unique IPs:
2
CIDRs:
139.135.45.0/24, 36.255.40.0/24

Analysis

This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 5 messages. Activity spans from April 4, 2024 to June 23, 2025, with peak volume in April 2024 (1 event). The top countries by failure volume are Pakistan (100%). The most active source IPs from this network include 139.135.45.58 (1 failure), 36.255.40.60 (1 failure). Failures from CYBERNET-PK are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.

Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 5 messages
Countries