Check-Host.cc

Autonomous System

AS1221 · Telstra Corporation Ltd

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

Announced IPs
13.4M
IPv4
IPv4 Prefixes
285
IPv6 Prefixes
3
Hosted Domains
8,294
resolve into this AS
Peers
13
Customers
295

Abusive IPs

2 IPs in this AS hit our honeypot sensors (105 attacks over 90 days) — SSH/Telnet brute-force, exploit probes, IoT-RCE. Ranked by hit count.

IP Address Attacks Ports Protocols Last seen
120.157.53.98 100 1 ssh 2026-06-29
203.54.163.166 5 1 smb 2026-06-22