Check-Host.cc

Autonomous System

AS680 · DFN Deutsches Forschungsnetz e.V.

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
7.91M
IPv4
IPv4 Prefixes
294
IPv6 Prefixes
24
Hosted Domains
43,314
resolve into this AS
Peers
358
Customers
31

Abusive IPs

5 IPs in this AS hit our honeypot sensors (601 attacks over 90 days) — SSH/Telnet brute-force, exploit probes, IoT-RCE. Ranked by hit count.

IP Address Attacks Ports Protocols Last seen
139.19.117.129 528 1 ssh 2026-07-22
193.174.89.19 50 4 http, https 2026-06-27
141.76.94.35 17 12 dns, ftp, http, https, imap, mssql 2026-07-14
141.22.28.227 5 1 dns 2026-07-18
139.19.117.195 1 1 snmp 2026-06-25