ABUSE.MOM
THREAT REPORT

IP Threat Report
101.36.106.89

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:59:12
First seen: 2026-03-14 21:00:04
Last seen: 2026-03-23 15:00:05
90

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 90/100. Total malicious requests observed: 3.

BOT_UAUA_CHANGEDRATIO_404
01

Geolocation & Classification

IP Address
101.36.106.89
Type
Hosting
Country
🇭🇰 Hong Kong
City
Hong Kong
ISP
UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
Organization
Ucloud Information Technology (hk) Limited
Autonomous System
AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
Hit Count
3
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA bot: Go-http-clientKnown bot/crawler User-Agent detected+40
UA changed for same IPMultiple User-Agents — bot rotation technique+25
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Σ = 105
03

Observed Activity

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

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

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

04

Timeline

2026-03-14 21:00:04
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA bot: Go-http-client (+40), UA changed for same IP (+25), 404 ratio >= 60% (+25)
2026-03-23 15:00:05
Last malicious request observed
Total score reached: 90/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
AS135377 · 🇭🇰 Hong Kong
06

Recommendations

Actions taken & recommended

  • IP 101.36.106.89 is blocked at application level (HTTP 403)
  • Consider blocking at firewall level (iptables/CSF) to reduce server load
  • Other malicious IPs detected in the same /24 subnet — consider blocking 101.36.106.0/24
  • 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 101.36.106.89 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🔎 Path Enumeration Protection

Block scanning from 101.36.106.89: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

07

Neighbors in 101.36.106.0/24

Other blocked IPs from the same /24 subnet — indicates systematic abuse from this network range.

09

Blacklist Status (DNSBL)

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

⛔ LISTED
Spamhaus ZEN

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

10

Threat Analysis

101.36.106.89 has been assigned a threat score of 90/100 (Critical). A score this high marks a critical threat actor. This address has demonstrated persistent, aggressive malicious behavior across multiple detection vectors.

The following attack categories were identified:

User-Agent AnomalyPath Enumeration

📊 Threat Analysis

Network traffic from 101.36.106.89, located in Hong Kong, Hong Kong, operating on the network of UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED, has been classified as malicious by our automated threat scoring engine. The address has been active for 8 days in our monitoring system, producing 3 flagged requests at a rate of ~0.4/day. Operating from datacenter infrastructure, this IP is typical of addresses used in organized attack operations. Cloud and VPS providers are commonly exploited as launching platforms for automated scanning. Two attack patterns were identified (User-Agent Anomaly and Path Enumeration), suggesting a semi-automated campaign that targets multiple vulnerabilities. Hong Kong currently accounts for 158 blocked IPs in our database, making it a significant source of malicious traffic. A score of 90/100 places this address in the top tier of severity. Block and investigate any historical connections.

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 Hong Kong

20.205.115.105 (280)20.24.82.132 (280)23.100.90.148 (280)65.52.160.249 (280)20.187.125.76 (280)View all →

🏢 Same network: AS135377

101.36.123.19 (258)101.36.124.145 (258)23.91.97.174 (258)152.32.190.243 (258)104.218.164.24 (203)View all →
12

Security Intelligence

💡 TLS Fingerprinting (JA3/JA4)

TLS fingerprinting creates unique identifiers based on how clients negotiate encrypted connections. The JA3 and JA4 methods generate hashes from TLS ClientHello parameters, enabling identification of specific tools and malware regardless of IP address changes.

💡 Rate Limiting and Throttling Strategies

Effective rate limiting must balance protection against abuse with allowing legitimate traffic bursts. Sliding window algorithms, token buckets, and adaptive thresholds based on client reputation provide layered defense against flooding attacks.

🔍 Check Any IP Address

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