12.31.247.227

Classification: Malicious

12.31.247.227 is a malicious IP address. Reported by 8 threat sources, last seen 2026-09-11. Network: AS7018 AT&T Enterprises, LLC.

Current activity

  • Known attacker — Seen launching attacks over the Internet.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
Mail Spammer Barracuda 2026-06-22 09:26:43 2026-09-11 16:43:23 attacker malicious-activity
Proxy FireHOL 2021-12-22 10:47:24 2024-03-31 05:25:16 anonymization
Anonymizer FireHol 2022-01-18 08:38:55 2022-12-29 12:08:03 anonymization
Anonymizer Maltiverse Research Team 2020-11-21 13:40:08 2021-12-21 03:35:05 anonymization anonymizer
Mail Spammer Blocklist.de 2018-09-24 06:55:51 2019-01-12 07:02:15
IMAP Attacker Blocklist.de 2019-01-09 06:59:59 2019-01-12 06:59:20
Anonymizer Maltiverse 2018-10-02 09:13:59 2018-10-02 09:13:59
HTTP Spammer Myip.ms 2018-09-23 08:52:45 2018-09-23 08:52:45
HTTP Spammer StopForumSpam.com 2018-09-21 09:21:29 2018-09-21 09:21:29

Tags

anonymization anonymizer bot abuse mail spam attacker imap pop3 sasl

Whois information

AS name
AS7018 AT&T Enterprises, LLC
AS registry
arin
AS date
1983-08-23 00:00:00
AS CIDR
12.0.0.0/9
CIDR
12.31.247.224/28
Registrant
AT&T Enterprises, LLC
Address
25 MASON ST
City
San Francisco
State
CA
Postal code
94119
Country
US — United States 🇺🇸
Contact email
[email protected]
First indexed
2018-09-21 09:21:29
Last updated
2026-09-11 16:43:24

Malicious IPs in the same CIDR

12.31.247.227 12.89.124.138 12.55.68.54 12.88.29.66 12.11.59.114 12.36.67.19 12.36.67.3 12.36.67.20 12.75.40.7 12.74.54.101 12.94.135.102 12.88.204.226 12.24.33.194 12.51.235.26 12.23.222.90 12.125.152.198 12.31.246.20 12.23.159.194 12.25.203.155