ABUSE.MOM
THREAT REPORT

IP Threat Report
85.203.23.25

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 06:22:17
First seen: 2026-02-18 20:00:05
Last seen: 2026-04-30 02:00:07
265

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 265/100. Total malicious requests observed: 7.

BOT_UAREFERERUA_CHANGEDDANGER_PATHBURSTRATIO_404
01

Geolocation & Classification

IP Address
85.203.23.25
Type
VPN/Proxy
Country
🇸🇬 Singapore
City
Singapore
ISP
GSL Networks Pty LTD
Organization
VPN Consumer Singapore, Republic of Singapore
Autonomous System
AS137409 GSL Networks Pty LTD
Hit Count
7
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA bot: Go-http-clientKnown bot/crawler User-Agent detected+40
Foreign referer seenReferer from unrelated external domain+10
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger strong hits: 105High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 126Medium-risk: admin panels, config files+60
Burst: 8 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 29 req / 10sAbnormally fast request rate — automated scanning+35
Burst: 28 req / 10sAbnormally fast request rate — automated scanning+35
Danger strong hits: 184High-risk paths: shells, RCE vectors, exploits+100
Danger medium hits: 284Medium-risk: admin panels, config files+60
404 ratio >= 60%Majority of requests returned 404 — enumeration+25
Burst: 27 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 560
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

2026-02-18 20:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA bot: Go-http-client (+40), Foreign referer seen (+10), UA changed for same IP (+25)
2026-04-30 02:00:07
Last malicious request observed
Total score reached: 265/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

GSL Networks Pty LTD
AS137409 · 🇸🇬 Singapore
06

Recommendations

Actions taken & recommended

  • IP 85.203.23.25 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 85.203.23.0/24
  • 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 85.203.23.25 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🌊 Traffic Flood Defense

IP 85.203.23.25 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🔎 Path Enumeration Protection

Block scanning from 85.203.23.25: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

07

Neighbors in 85.203.23.0/24

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

85.203.23.25 has been assigned a threat score of 265/100 (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 FloodingPath Enumeration

📊 Threat Analysis

Our monitoring infrastructure has identified 85.203.23.25, geolocated to Singapore, Singapore, operating on the network of GSL Networks Pty LTD, as a source of suspicious network activity. Our sensors captured 7 malicious requests from this address across a 70-day span, reflecting a sustained attack cadence of ~0.1 requests per day. The address operates as a VPN/proxy exit node. Attackers route traffic through anonymizing services to obscure their real location and evade IP-based security controls. The combination of 3 distinct attack vectors indicates a sophisticated, multi-pronged threat actor deploying automated tools that probe multiple attack surfaces simultaneously. Our records show 208 malicious IPs originating from Singapore, positioning it as a significant contributor to global threat activity. At 265/100, this is an extremely high-risk address. All traffic should be considered hostile.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇸🇬 Top threats from Singapore

85.203.23.12 (340)85.203.23.31 (330)84.17.39.195 (325)192.166.246.30 (325)85.203.21.101 (320)View all →

🏢 Same network: AS137409

85.203.23.12 (340)85.203.23.31 (330)85.203.23.172 (305)85.203.23.29 (305)85.203.23.142 (305)View all →
12

Security Intelligence

💡 HTTP Header Analysis for Threat Detection

Examining HTTP headers beyond User-Agent reveals attack tools and automated scripts. Missing standard headers, unusual ordering, non-standard values, and inconsistencies with claimed client identity all serve as reliable detection signals.

💡 Edge Computing Attack Surface

Edge computing pushes processing closer to users but expands the attack surface. Edge nodes often run in less secure environments than centralized data centers, creating new opportunities for physical access attacks and supply chain compromises.

🔍 Check Any IP Address

Share this report: