IP address

Passive DNS

Tags: IP in hostname

IP blacklists: DataPlane TELNET login
81.131.234.131 is listed on the DataPlane TELNET login blacklist.

Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs trying<br>an unsolicited login via TELNET password authentication.
Type of feed: primary (feed detail page)

Last checked at: 2025-10-12 22:10:02.053000
Was present on blacklist at: 2025-10-11 10:10, 2025-10-11 14:10, 2025-10-11 18:10, 2025-10-11 22:10, 2025-10-12 02:10, 2025-10-12 06:10, 2025-10-12 14:10, 2025-10-12 18:10, 2025-10-12 22:10
Spamhaus PBL ISP
81.131.234.131 is listed on the Spamhaus PBL ISP blacklist.

Description: The Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2025-10-11 10:22:33.219000
Was present on blacklist at: 2025-10-11 10:22

Origin AS: AS2856 - BT-UK-AS
BGP Prefix: 81.128.0.0/12
geo: United Kingdom, High Wycombe; 🕑 Europe/London
hostname: host81-131-234-131.range81-131.btcentralplus.com
hostname_class: ['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database): 81.128.0.0 - 81.159.255.255
reserved_range: 0
Shodan's InternetDB: Open ports: 8085; Tags: –; CPEs: –
ts_added: 2025-10-11 10:22:32.986000
ts_last_update: 2025-10-12 22:18:37.881000

Warden event timeline

DShield event timeline

Presence on blacklists