51.195.203.3

Classification: Malicious

51.195.203.3 is a malicious IP address in London, GB. 58 sightings from 4 threat sources (Proxy, HTTP Spammer), last seen 2026-10-14.

Current activity

  • Known attacker — Seen launching attacks over the Internet.
  • Open proxy — Provides anonymization that can hide an attacker.

Blacklist sightings

Description Source First seen Last seen Labels MITRE ATT&CK
HTTP Spammer StopForumSpam.com 2026-09-11 07:03:37 2026-10-14 11:05:38 attacker malicious-activity
Proxy IPWhois.io 2025-06-16 01:26:41 2026-10-12 19:06:14 anonymization proxy
Anonymizer FireHOL 2026-09-24 16:50:40 2026-09-24 16:50:40 anomalous-activity anonymization
Proxy FireHOL 2022-12-31 22:47:33 2026-09-21 18:08:13 anomalous-activity anonymization proxy
Anonymizer FireHol 2022-12-29 11:25:09 2022-12-29 22:45:18 anonymization

Tags

anonymization bot abuse

Whois information

AS name
AS16276 OVH SAS
AS registry
ripencc
AS date
1993-09-01 00:00:00
AS CIDR
51.195.0.0/16
Registrant
OVH SAS
City
London
Postal code
EC4R
Country
GB — United Kingdom 🇬🇧
First indexed
2022-12-29 11:25:09
Last updated
2026-10-14 11:05:38

Malicious IPs in the same CIDR

51.195.91.124 51.195.235.22 51.195.102.120 51.195.138.37 51.195.40.26 51.195.149.120 51.195.26.236 51.195.26.222 51.195.91.114 51.195.5.231 51.195.43.90 51.195.121.102 51.195.43.58 51.195.203.3 51.195.41.230 51.195.148.39 51.195.91.161 51.195.102.74 51.195.219.40 51.195.203.215 51.195.254.107 51.195.254.15 51.195.222.29 51.195.219.160 51.195.201.93