81.84.40.98 is blacklisted, reported for spam, and brute force attacks
1 brute force attacks, last activity .
Status
| Service | Status | Updated | Next steps |
|---|---|---|---|
| Anti-Spam | Blacklisted | Sep 25, 2026 19:09:00 | Get Anti-Spam Plugin or API |
| SpamFireWall | Not in list | Sep 25, 2026 19:09:00 | |
| Security FireWall | Not in list | - | Get Security Plugin |
| Block Lists | Data loading | - | Sign Up for API, Files, DNSBL & Online Access |
| Type of attacks | Spam, BruteForce | ||
Abuse reports
| There are currently no abuse reports for this email/IP. Report Abuse activity |
Details
| Network | 81.84.0.0/18parent network: 81.84.0.0/16 |
|---|---|
| Network Spam Rate | – |
| DNS name | a81-84-40-98.cpe.netcabo.pt |
| AS number | 2860 |
| Org name | Nos Comunicacoes, S.A. |
| Location | Almada, Setúbal, Portugal |
| IP Geolocation | lat: 38.6821; lon: -9.162 |
| Address | Novis Telecom Jorge Frazao Ed. Novis, Estrada da Outurela 118 A - Bloco A 2790-114 Carnaxide PORTUGAL |
| Phone | +35193101506 |
| Website | nos.pt |
| AS spam rate | 4.39% |
| Websites hosted on 81.84.40.98 | Data loading |
Brute Force attacks log
| Date/time (GMT) | IP | Nickname | Event |
|---|
81.84.0.0/18 spam active IP addresses
| # | Address (DNS name) | Detected | Last seen | Attacked sites |
|---|---|---|---|---|
| 1 | 81.84.41.75(a81-84-41-75.cpe.netcabo.pt) | Jun 22, 2026 08:06:41 | Sep 27, 2026 14:03:31 | 6 |
| 2 | 81.84.40.98(a81-84-40-98.cpe.netcabo.pt) | Apr 27, 2026 22:24:31 | Sep 26, 2026 00:09:00 | 4 |
| 3 | 81.84.11.189(a81-84-11-189.cpe.netcabo.pt) | Sep 20, 2026 13:30:09 | Sep 25, 2026 10:26:15 | 4 |
| 4 | 81.84.63.99(a81-84-63-99.cpe.netcabo.pt) | Mar 07, 2026 19:06:17 | Sep 24, 2026 16:28:59 | 5 |
| 5 | 81.84.30.160(a81-84-30-160.cpe.netcabo.pt) | Feb 09, 2026 10:07:28 | Sep 24, 2026 13:32:38 | 6 |
| 6 | 81.84.13.82(a81-84-13-82.cpe.netcabo.pt) | Jul 17, 2026 16:18:39 | Sep 23, 2026 19:11:32 | 6 |
81.84.40.98 spam and brute force activity on date
| # | Date | IP | Frequency |
|---|
Data loading
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Why is this 81.84.40.98 contacting my website?
This 81.84.40.98 may appear due to bots, crawlers, spam submissions, or automated attacks.
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Is this 81.84.40.98 safe?
It depends on the IP address status. If it is green and marked as "Not in lists", it is considered safe. If it is "Blacklisted" and shown in red, it means the IP has been involved in abusive activity such as spam, phishing, scam attacks, password brute-force attempts, or hacking attempts.
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How do I block 81.84.40.98?
Use one of our Anti-Spam plugins, the Security plugin, the Anti-Spam API, or the Block Lists API. If you are not sure which option to choose, please contact our support team: https://cleantalk.org/my/support/open
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Is this a bot or hacker?
It depends on the activity of the 81.84.40.98. If the Anti-Spam or Security plugins stop the attacks, it is most likely a bot. If they do not stop them, there is a high probability that it is a human attacker.
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What does "Blacklisted" mean?
It means the 81.84.40.98 is currently performing various types of spam and security attacks on websites.
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