Why is this 172.56.221.208 contacting my website?

This 172.56.221.208 may appear due to bots, crawlers, spam submissions, or automated attacks.

Is this 172.56.221.208 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.

How do I block 172.56.221.208?

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

Is this a bot or hacker?

It depends on the activity of the 172.56.221.208. 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.

What does "Blacklisted" mean?

It means the 172.56.221.208 is currently performing various types of spam and security attacks on websites.

172.56.221.208 spam report

Service	Status	Updated	Next steps
Anti-Spam	Blacklisted	Oct 31, 2026 18:02:35	Get Anti-Spam Plugin or API
SpamFireWall	Not in list	Oct 31, 2026 18:02:35
Security FireWall	Not in list	-	Get Security Plugin
Block Lists	Data loading	-	Use via API, Files & DNSBL
Type of attacks	Spam, Hacking

Network	172.56.220.0/23 parent network: 172.56.0.0/16
Network Spam Rate	39%
DNS name	-
AS number	21928
Org name	T-Mobile USA, Inc.
Location	Philadelphia, Pennsylvania, United States
IP Geolocation	lat: 39.9943; lon: -75.1181


Address	-
Phone	-
Website	t-mobile.com
AS spam rate	14.94%

Websites hosted on 172.56.221.208	`Data loading`

#	Date/ time (GMT)	Sender IP	Sender Email	Nickname	Anti-Spam app
Data loading

#	Address (DNS name)	Detected	Last seen	Attacked sites
1	172.56.221.180	Jul 19, 2023 07:30:49	Nov 01, 2026 08:37:03	8
2	172.56.221.200	Oct 24, 2024 22:56:19	Nov 01, 2026 01:29:38	11
3	172.56.221.253	Dec 16, 2024 17:40:29	Nov 01, 2026 00:47:08	20
4	172.56.221.132	Jun 25, 2024 12:45:44	Nov 01, 2026 00:26:04	14
5	172.56.221.196	Jun 23, 2023 04:15:54	Nov 01, 2026 00:15:21	7
6	172.56.221.46	Jun 24, 2023 05:50:51	Nov 01, 2026 00:00:24	6
7	172.56.221.203	Jan 18, 2026 03:56:51	Oct 31, 2026 23:59:25	11
8	172.56.221.210	Mar 19, 2025 12:56:52	Oct 31, 2026 23:20:15	6
9	172.56.220.188	Jun 20, 2024 01:40:35	Oct 31, 2026 23:06:13	13
10	172.56.221.208	Jul 14, 2023 15:20:51	Oct 31, 2026 23:02:35	18

Frequently Asked Questions About 172.56.221.208

Why is this 172.56.221.208 contacting my website?

This 172.56.221.208 may appear due to bots, crawlers, spam submissions, or automated attacks.
Is this 172.56.221.208 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.
How do I block 172.56.221.208?

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
Is this a bot or hacker?

It depends on the activity of the 172.56.221.208. 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.
What does "Blacklisted" mean?

It means the 172.56.221.208 is currently performing various types of spam and security attacks on websites.