ABUSE.MOM
THREAT REPORT

IP Threat Report
154.203.129.57

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-09-14 01:18:27
First seen: 2026-09-10 18:37:49
Last seen: 2026-09-13 01:15:22
80

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 80/100. Total malicious requests observed: 75.

BURSTREFERER
01

Geolocation & Classification

IP Address
154.203.129.57
Type
Hosting
Country
🇺🇸 United States
City
San Jose
ISP
Kaopu Cloud HK Limited
Organization
Kaopu Cloud HK Limited
Autonomous System
AS138915 Kaopu Cloud HK Limited
Hit Count
75
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 61/10sAbnormally fast request rate — automated scanning+35
Burst 61/2sAbnormally fast request rate — automated scanning+35
Foreign refererReferer from unrelated external domain+10
Σ = 80
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

2026-09-10 18:37:49
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 61/10s (+35), Burst 61/2s (+35), Foreign referer (+10)
2026-09-13 01:15:22
Last malicious request observed
Total score reached: 80/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Kaopu Cloud HK Limited
AS138915 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 154.203.129.57 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

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 154.203.129.57.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

154.203.129.57 has been assigned a threat score of 80/100 (Critical). With this rating, the IP falls into the critical severity bracket — among the most dangerous addresses in our monitoring database.

The following attack categories were identified:

Request Flooding

📊 Threat Analysis

The address 154.203.129.57 originates from San Jose, United States, operating on the network of Kaopu Cloud HK Limited. It was identified through automated analysis of incoming network traffic across monitored endpoints. The address has been active for 2 days in our monitoring system, producing 75 flagged requests at a rate of ~37.5/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. Rate-based attacks from this IP aim to overwhelm server resources through high-volume request flooding. With 101 flagged addresses, United States represents a significant presence in our threat database. A threat score of 80/100 places this IP in the high-risk category. Blocking at the firewall level is recommended.

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: AS138915

194.26.73.134 (80)38.60.160.146 (80)154.93.49.139 (65)154.93.45.21 (65)154.223.77.54 (65)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.

💡 GDPR and Threat Intelligence

Processing IP addresses for security purposes under GDPR requires balancing legitimate interest in network protection with data minimization principles. Threat intelligence platforms must implement appropriate retention policies and provide mechanisms for data subject rights.

🔍 Check Any IP Address

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