ABUSE.MOM
THREAT REPORT

IP Threat Report
165.154.43.162

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:18:24
First seen: 2026-03-28 14:00:05
Last seen: 2026-03-28 14:00:05
145

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 145/100. Total malicious requests observed: 1.

BOT_UAUA_CHANGEDBURSTREFERER
01

Geolocation & Classification

IP Address
165.154.43.162
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
1
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA bot: curlKnown bot/crawler User-Agent detected+40
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Burst: 15 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 21 req / 10sAbnormally fast request rate — automated scanning+35
Foreign referer seenReferer from unrelated external domain+10
Σ = 145
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 14:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA bot: curl (+40), UA changed for same IP (+25), Burst: 15 req / 2s (+35)
2026-03-28 14:00:05
Last malicious request observed
Total score reached: 145/100
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 165.154.43.162 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 165.154.43.0/24
  • 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 165.154.43.162 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 165.154.43.162.

07

Neighbors in 165.154.43.0/24

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
zen.spamhaus.org
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
bl.spamcop.net
✓ Clean
dnsbl.sorbs.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

165.154.43.162 has been assigned a threat score of 145/100 (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 AnomalyRequest Flooding

📊 Threat Analysis

The address 165.154.43.162 originates from Hong Kong, Hong Kong, operating on the network of UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED. 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 1 flagged requests at a rate of ~1/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 Request Flooding), suggesting a semi-automated campaign that targets multiple vulnerabilities. Our records show 62 malicious IPs originating from Hong Kong, positioning it as a notable contributor to global threat activity. A score of 145/100 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

101.36.123.19 (258)101.36.124.145 (258)23.91.97.174 (258)152.32.190.243 (258)152.32.129.154 (160)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.

💡 Brute Force Attack Mechanics

Brute force attacks systematically try username and password combinations to gain unauthorized access. Modern attacks leverage credential databases from previous breaches, testing millions of combinations using distributed botnets across multiple IP addresses.

🔍 Check Any IP Address

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