ABUSE.MOM
THREAT REPORT

IP Threat Report
172.173.112.161

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-26 08:23:05
First seen: 2026-10-25 12:49:57
Last seen: 2026-10-26 08:07:34
195

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 195/100. Total malicious requests observed: 51.

BURSTDANGER_PATHRATIO_404REDIRECT_PROBEUA_SUS
01

Geolocation & Classification

IP Address
172.173.112.161
Type
Hosting
Country
🇺🇸 United States
City
Des Moines
ISP
Microsoft
Organization
Microsoft Azure Cloud (centralus)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
51
02

Detection Signatures

SignatureDescriptionPointsSeverity
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Burst 8/2sAbnormally fast request rate — automated scanning+35
Danger medium hits: 8Medium-risk: admin panels, config files+60
Danger strong hits: 2High-risk paths: shells, RCE vectors, exploits+50
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA suspiciousBehavioral anomaly detected by automated analysis+15
Σ = 195
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

2026-10-25 12:49:57
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
404 ratio 40-60% (+15), Burst 8/2s (+35), Danger medium hits: 8 (+60)
2026-10-26 08:07:34
Last malicious request observed
Total score reached: 195/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Microsoft
AS8075 · 🇺🇸 United States

We have detected 4923 malicious IPs from this autonomous system.

View all IPs from AS8075 →
06

Recommendations

Actions taken & recommended

  • IP 172.173.112.161 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

🔎 Directory Scan Defense

IP 172.173.112.161 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🌊 Traffic Flood Defense

IP 172.173.112.161 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 172.173.112.161 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

09

Blacklist Status (DNSBL)

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

✓ Clean
bl.blocklist.de
✓ Clean
cbl.abuseat.org
✓ Clean
zen.spamhaus.org
✓ Clean
spam.dnsbl.sorbs.net
✓ Clean
dnsbl.dronebl.org
✓ Clean
b.barracudacentral.org
✓ Clean
psbl.surriel.com

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

10

Threat Analysis

172.173.112.161 has been assigned a threat score of 195/100 (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:

Path EnumerationRequest FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 172.173.112.161, geolocated to Des Moines, United States, operating on the network of Microsoft, as a source of suspicious network activity. During its 1-day observation window, we recorded 51 hostile requests from this IP — roughly 51 per day on average. The IP is classified as hosting/datacenter infrastructure, commonly associated with rented servers used for automated attack campaigns, botnet command-and-control, or vulnerability scanning at scale. The diversity of 3 separate attack methods suggests a comprehensive attack toolkit — likely an automated scanner that tests for vulnerabilities across multiple categories. With 36,319 flagged addresses, United States represents a major presence in our threat database. At 195/100, this is an extremely high-risk address. All traffic should be considered hostile.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇺🇸 Top threats from United States

104.28.246.115 (350)104.28.214.122 (350)216.73.160.52 (350)34.187.158.4 (340)34.186.187.208 (340)View all →

🏢 Same network: AS8075

74.241.249.229 (340)68.155.155.199 (320)20.127.136.245 (318)20.151.200.44 (315)20.92.77.159 (310)View all →
12

Security Intelligence

💡 DDoS Mitigation Approaches

Distributed denial of service attacks overwhelm infrastructure with traffic volume. Effective mitigation combines always-on traffic scrubbing, anycast network distribution, rate limiting, and the ability to quickly scale absorption capacity during attacks.

💡 Dark Web Intelligence Gathering

Monitoring dark web forums and marketplaces provides advance warning of planned attacks, leaked credentials, and compromised data. This intelligence feeds into proactive defense measures before attacks reach their targets.

🔍 Check Any IP Address

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