23.81.81.147

Classification: Malicious

23.81.81.147 is a malicious IP address. Reported by 3 threat sources, last seen 2026-09-09. Network: AS15003 Nobis Technology Group LLC.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
HTTP Spammer StopForumSpam.com 2026-05-11 17:01:08 2026-09-09 07:05:06 malicious-activity
Suspicious Host AbuseIPDB 2026-05-15 13:03:59 2026-06-01 05:50:38 anomalous-activity
HTTP Spammer Cleantalk.org 2023-10-27 08:41:32 2023-10-27 08:41:32 malicious-activity

Tags

bot abuse

Whois information

AS name
AS15003 Nobis Technology Group LLC
AS registry
arin
AS date
2013-05-06 00:00:00
AS CIDR
23.81.80.0/22
CIDR
23.82.0.0/16, 23.83.0.0/18, 23.81.128.0/17, 23.81.48.0/20, 23.81.64.0/18
Registrant
Leaseweb USA, Inc.
Address
9480 Innovation Dr
City
Manassas
State
VA
Postal code
20109
Country
US — United States 🇺🇸
Contact email
[email protected], [email protected]
First indexed
2023-10-27 08:41:32
Last updated
2026-09-09 07:05:06

Malicious IPs in the same CIDR

23.81.82.61 23.81.80.115 23.81.82.154 23.81.82.78 23.81.82.127 23.81.82.71 23.81.81.147 23.81.81.5 23.81.81.196 23.81.81.107 23.81.81.172 23.81.81.188