23.81.231.221
Classification: Malicious
23.81.231.221 is a malicious IP address. Reported by 2 threat sources, last seen 2026-09-07. Network: AS15003 Nobis Technology Group LLC.
Blacklist sightings
| Description | Source | First seen | Last seen | Labels | MITRE ATT&CK |
|---|---|---|---|---|---|
| HTTP Spammer | StopForumSpam.com | 2018-11-28 09:01:22 | 2026-09-07 07:03:40 | malicious-activity | |
| HTTP Spammer | Sblam | 2020-05-06 03:54:22 | 2020-05-06 03:54:22 |
Tags
bot abuseWhois information
- AS name
- AS15003 Nobis Technology Group LLC
- AS registry
- arin
- AS date
- 2013-05-06 00:00:00
- AS CIDR
- 23.81.224.0/19
- CIDR
- 23.81.224.0/19
- Registrant
- LeaseWeb USA, Inc. Pheonix
- Address
- 2600 W Germann Rd
- City
- Chandler
- State
- AZ
- Postal code
- 85286
- Country
- US — United States 🇺🇸
- Contact email
- [email protected], [email protected]
- First indexed
- 2018-11-28 09:01:22
- Last updated
- 2026-09-07 07:03:40
Malicious IPs in the same CIDR
23.81.231.112 23.81.231.47 23.81.232.61 23.81.228.223 23.81.246.185 23.81.229.150 23.81.232.138 23.81.232.227 23.81.228.27 23.81.229.171 23.81.231.148 23.81.228.14 23.81.228.87 23.81.228.189 23.81.231.247 23.81.227.220 23.81.228.148 23.81.230.62 23.81.230.129 23.81.231.221 23.81.231.245 23.81.227.162 23.81.227.246 23.81.229.14 23.81.229.133