Is IP address 172.59.21.16 dangerous?

172.59.21.16 presents moderate risk with a threat level of 5/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 172.59.21.16?

IP address 172.59.21.16 is operated by T-Mobile USA, Inc. (ASN 21928) and is geolocated to PR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 172.59.21.16?

Blocking 172.59.21.16 is advisable for security-sensitive environments. With a threat level of 5/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 172.59.21.16?

Our threat assessment for 172.59.21.16 has a confidence score of 16%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

172.59.21.16

IPv4 Public

AS21928

T-Mobile USA, Inc.

2 Reports

Is this your IP address? If the cause is fixed, you can request removal. Free of charge, usually decided within 48 hours. Request delisting

Puerto Rico Location

T-Mobile USA, Inc. ASN 21928

2 Reports

Honeypot Data Source

Cautionary Risk

IP 172.59.21.16 rated 5/10 from 2 security events.

Mixed behavior profile detected. Confidence: 16%.

More threatening than 38% of monitored IPs

Threat Categories

Bad Web Bot 2

WP Content Scraping 2

Technical Details

Bad web bots ignore robots.txt, scrape content aggressively, and may probe for vulnerabilities.

Recommended Mitigations

Implement bot detection, rate limiting, and use services like Cloudflare Bot Management.

Reputable Network

This IP is hosted on a network (ASN 21928) with generally good reputation. The ISP T-Mobile USA, Inc. maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Apply balanced security measures based on risk tolerance.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 5/10 Medium

Medium

Activity Frequency 0/10 Inactive

Confidence Score 15% Low Confidence

Confidence History

22. Aug 2026 - 25. Aug 2026

16% Current

Stable Trend

Date	Categories	Source	Confidence
25. Aug 2026	Bad Web Bot WP Content Scraping	Honeypot	75%
22. Aug 2026	Bad Web Bot WP Content Scraping	Honeypot	75%

Basic Information

IP Address: 172.59.21.16
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: PR
ASN: AS21928
ISP: T-Mobile USA, Inc.

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 2
First Reported: 22 Aug 2026
Last Reported: 25 Aug 2026, 16:05

Network Reputation

Analysis of the entire network (ASN) that this IP address belongs to, providing context about the hosting provider and network-wide threat patterns.

Network Identity

ASN: AS21928

Organization: T-Mobile USA, Inc.

Country:

Network Threat Assessment

2/10

This network appears to be relatively clean with very low threat indicators.

Network Statistics

Total IPs Monitored

Total Reports

2.2

Reports per IP

Network Context

This IP address belongs to T-Mobile USA, Inc. (AS21928), which manages 25 IP addresses in our monitoring system. Out of these, 55 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

Network status: This network appears to be well-maintained with low threat indicators.

Comparative Analysis

How this IP compares to others in our threat intelligence database

38 %

Global Threat Ranking

This IP is more threatening than 38% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 808,018 reported IPs worldwide

Threat Level 5/10 avg: 6.3 -

Total Reports 2 avg: 9 --

Network Comparison

Compared against 688 IPs in ASN 21928

Threat Level 5/10 network avg: 6.2 -

Total Reports 2 network avg: 1 +

Network T-Mobile USA, Inc. has overall threat level 2/10

Geographic Comparison

Compared against 470 IPs in PR

Threat Level 5/10 country avg: 5.3 =

Total Reports 2 country avg: 2 +

Daily report activity over the last 30 days showing patterns and peaks.

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Tuesday 1 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 4/10

Current Threat 4/10

Distribution of threat categories reported over time.

Top Threat Categories

Bad Web Bot 2

WP Content Scraping 2

Activity patterns showing when this IP is most active during the day and week.

Hourly Activity

Peak activity at 01:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

734,714 threat incidents tracked globally • Last 24h: 27,874 Logs

FEED

Top Threat Sources

01

United States US

143,598 19.5%
02

Brazil BR

110,790 15.1%
03

India IN

82,356 11.2%
04

China CN

44,821 6.1%
05

SC SC

29,236 4%
06

Germany DE

17,537 2.4%
07

Netherlands NL

17,499 2.4%
08

Pakistan PK

16,696 2.3%
09

Argentina AR

16,193 2.2%
10

Colombia CO

15,136 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

IPs from the same Autonomous System (AS) network provider.

20 Related IPs

8.8/10 Avg Threat

43% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Network Reputation

Network Identity

Network Threat Assessment

Network Statistics

Network Context

Global Threat Ranking

Top Threat Categories

Hourly Activity

Weekly Activity

FEED

Top Threat Sources

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses