ArchivedNo longer active, data collection ran March 2024 to September 2026|9,442 records|3,409 source IPs|138 countriesAbout this archive
Shame on you, stupid spammers..Sh4meful  DMARC Spoof Detection

Network: COLOMBIA TELECOMUNICACIONES S.A. ESP BIC

This page shows DMARC authentication failures originating from the COLOMBIA TELECOMUNICACIONES S.A. ESP BIC network. Learn more about this data.

Network Information
WHOIS Owner:
COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Address:
Transversal 60, 114, A 55, N - BOGOTA - Cu
Countries:
CO
Unique IPs:
7
CIDRs:
152.200.0.0/14, 167.0.0.0/16, (more)

Analysis

This network has contributed 7 unique IP addresses across 7 failed authentication events, accounting for 28 messages. Activity spans from November 15, 2024 to August 11, 2026, with peak volume in November 2024 (2 events). The top countries by failure volume are Colombia (100%). The most active source IPs from this network include 167.0.68.28 (1 failure), 179.33.181.63 (1 failure), 152.203.74.230 (1 failure). Failures from COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, a hosting provider, 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 28 messages
Date โ–ผ Source IP Country Messages
8/11/2026 179.33.181.63 CO1
12/11/2025 191.104.36.26 CO12
7/21/2025 186.102.92.4 CO1
6/13/2025 152.203.74.230 CO1
2/13/2025 167.0.68.28 CO8
11/22/2024 181.237.56.58 CO4
11/15/2024 181.234.162.162 CO1
Countries