ABUSE.MOM
THREAT REPORT

IP Threat Report
172.56.157.49

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 06:57:35
First seen: 2026-03-28 12:00:06
Last seen: 2026-03-28 21:00:05
175

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 175/100. Total malicious requests observed: 2.

UA_CHANGEDDANGER_PATHREDIRECT_PROBEBURSTREFERERRATIO_404
01

Geolocation & Classification

IP Address
172.56.157.49
Type
Mobile
Country
🇺🇸 United States
City
Beaverton
ISP
T-Mobile USA, Inc.
Organization
T-Mobile USA, Inc.
Autonomous System
AS21928 T-Mobile USA, Inc.
Hit Count
2
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger medium hits: 5Medium-risk: admin panels, config files+50
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 157 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 157 req / 10sAbnormally fast request rate — automated scanning+35
Foreign referer seenReferer from unrelated external domain+10
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 10 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 10 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 270
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
[redacted]
GET
/page
200
Requests shown: 2 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-03-28 12:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Danger medium hits: 5 (+50), Probe pattern 302->404 same path (+20)
2026-03-28 21:00:05
Last malicious request observed
Total score reached: 175/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

T-Mobile USA, Inc.
AS21928 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 172.56.157.49 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🤖 Bot Detection

Address UA spoofing from 172.56.157.49: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

🔎 Path Enumeration Protection

Block scanning from 172.56.157.49: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 172.56.157.49.

09

Blacklist Status (DNSBL)

This IP was checked against major DNS-based blacklists used by mail servers and firewalls worldwide.

⛔ LISTED
zen.spamhaus.org
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
dnsbl.sorbs.net
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl-1.uceprotect.net
✓ Clean
b.barracudacentral.org
✓ Clean
truncate.gbudb.net
✓ Clean
psbl.surriel.com

Checked: Spamhaus, SpamCop, Barracuda, SORBS, CBL, UCEProtect. Results may change over time.

10

Threat Analysis

172.56.157.49 has been assigned a threat score of 175/100 (Critical). This represents a critical risk level. Our detection systems have flagged multiple high-confidence indicators of malicious intent from this address.

The following attack categories were identified:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

The address 172.56.157.49 originates from Beaverton, United States, operating on the network of T-Mobile USA, Inc.. It was identified through automated analysis of incoming network traffic across monitored endpoints. The address has been active for 1 days in our monitoring system, producing 2 flagged requests at a rate of ~2/day. The address belongs to a mobile carrier network. The sustained pattern of malicious requests indicates either a compromised device or deliberate abuse. The diversity of 3 separate attack methods suggests a comprehensive attack toolkit — likely an automated scanner that tests for vulnerabilities across multiple categories. United States currently accounts for 152 blocked IPs in our database, making it a significant source of malicious traffic. At 175/100, this is an extremely high-risk address. All traffic should be considered hostile.

11

Related Threats

🇺🇸 Top threats from United States

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🏢 Same network: AS21928

172.58.117.187 (205)172.59.113.219 (140)172.58.130.107 (140)172.56.154.193 (140)172.56.1.112 (130)View all →
12

Security Intelligence

💡 HTTP Header Analysis for Threat Detection

Examining HTTP headers beyond User-Agent reveals attack tools and automated scripts. Missing standard headers, unusual ordering, non-standard values, and inconsistencies with claimed client identity all serve as reliable detection signals.

💡 DNS-Based Threat Detection

Monitoring DNS queries reveals malicious activity including command-and-control communication, data exfiltration through DNS tunneling, and connections to known malicious domains. DNS is often the first indicator of compromise in network forensics.

🔍 Check Any IP Address

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