ABUSE.MOM
THREAT REPORT

IP Threat Report
52.138.22.173

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 10:06:09
First seen: 2026-03-15 23:00:05
Last seen: 2026-03-18 21:00:06
280

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 280/100. Total malicious requests observed: 48.

UA_SUSDANGER_PATHRATIO_404REDIRECT_PROBEBURST
01

Geolocation & Classification

IP Address
52.138.22.173
Type
Hosting
Country
🇨🇦 Canada
City
Toronto
ISP
Microsoft Corporation
Organization
Microsoft Azure Cloud (canadacentral)
Autonomous System
AS8075 Microsoft Corporation
Hit Count
48
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA suspicious (short/empty)Behavioral anomaly detected by automated analysis+15
Danger strong hits: 48High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 150Medium-risk: admin panels, config files+60
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 22 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 65 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 64High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 151Medium-risk: admin panels, config files+60
Burst: 24 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 86 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 88High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 226Medium-risk: admin panels, config files+60
Burst: 87 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 80 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 24High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 75Medium-risk: admin panels, config files+60
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 68 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 23 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 74 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 21 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 67 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 75 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 81 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 76 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 85 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 78 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 83 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 66 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 69 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 71 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 77 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 64 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 79 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 82 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 62 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 72 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 38High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 85Medium-risk: admin panels, config files+60
Danger strong hits: 26High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 66Medium-risk: admin panels, config files+60
Danger medium hits: 147Medium-risk: admin panels, config files+60
Burst: 49 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 2040
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

2026-03-15 23:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA suspicious (short/empty) (+15), Danger strong hits: 48 (+100), Danger medium hits: 150 (+60)
2026-03-18 21:00:06
Last malicious request observed
Total score reached: 280/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Microsoft Corporation
AS8075 · 🇨🇦 Canada
06

Recommendations

Actions taken & recommended

  • IP 52.138.22.173 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

🤖 User-Agent Anomaly Defense

IP 52.138.22.173 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🔎 Path Enumeration Protection

Block scanning from 52.138.22.173: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

🌊 Traffic Flood Defense

IP 52.138.22.173 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

52.138.22.173 has been assigned a threat score of 280/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

User-Agent AnomalyPath EnumerationRequest Flooding

📊 Threat Analysis

Network traffic from 52.138.22.173, located in Toronto, Canada, operating on the network of Microsoft Corporation, has been classified as malicious by our automated threat scoring engine. Our sensors captured 48 malicious requests from this address across a 2-day span, reflecting a sustained attack cadence of ~24 requests per day. 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 106 flagged addresses, Canada represents a significant presence in our threat database. At 280/100, 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 Canada

20.151.111.128 (308)45.91.23.64 (305)147.15.149.40 (300)148.116.72.171 (300)89.251.0.24 (295)View all →

🏢 Same network: AS8075

20.151.111.128 (308)4.205.39.97 (283)20.63.36.125 (280)20.151.220.171 (280)20.104.114.39 (280)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 IPv6 Scanning Challenges

The vast IPv6 address space makes traditional sequential scanning impractical. However, attackers use DNS records, certificate transparency logs, and predictable address patterns to identify active IPv6 hosts, adapting their techniques to the expanded address space.

🔍 Check Any IP Address

Share this report: