ABUSE.MOM
THREAT REPORT

IP Threat Report
139.212.68.200

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-26 23:18:04
First seen: 2026-05-22 08:20:46
Last seen: 2026-05-24 10:09:19
105

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 105/100. Total malicious requests observed: 87.

BURSTREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
139.212.68.200
Type
Residential
Country
🇨🇳 China
City
Jilin
ISP
China Unicom Jilin Province Network
Organization
Unknown
Autonomous System
AS4837 CHINA UNICOM China169 Backbone
Hit Count
87
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 13/10sAbnormally fast request rate — automated scanning+35
Burst 6/2sAbnormally fast request rate — automated scanning+35
Foreign refererReferer from unrelated external domain+10
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 105
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

2026-05-22 08:20:46
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 13/10s (+35), Burst 6/2s (+35), Foreign referer (+10)
2026-05-24 10:09:19
Last malicious request observed
Total score reached: 105/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

China Unicom Jilin Province Network
AS4837 · 🇨🇳 China
06

Recommendations

Actions taken & recommended

  • IP 139.212.68.200 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 139.212.68.0/24
  • 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 139.212.68.200.

🤖 User-Agent Anomaly Defense

IP 139.212.68.200 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 139.212.68.0/24

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.

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

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

10

Threat Analysis

139.212.68.200 has been assigned a threat score of 105/100 (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 FloodingUser-Agent Anomaly

📊 Threat Analysis

Our monitoring infrastructure has identified 139.212.68.200, geolocated to Jilin, China, operating on the network of China Unicom Jilin Province Network, as a source of suspicious network activity. The address has been active for 2 days in our monitoring system, producing 87 flagged requests at a rate of ~43.5/day. The address is classified as residential, meaning it likely belongs to an end-user ISP connection. Malicious activity from residential IPs typically indicates device compromise or botnet membership. The dual attack vectors of Request Flooding combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. China currently accounts for 192 blocked IPs in our database, making it a significant source of malicious traffic. At 105/100, this is an extremely high-risk address. All traffic should be considered hostile.

This IP is classified as residential, suggesting it may belong to a compromised home device, IoT botnet member, or an infected personal computer. Residential IPs involved in attacks often indicate malware infection without the owner's knowledge.

11

Related Threats

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🏢 Same network: AS4837

110.249.202.228 (185)110.249.202.15 (180)110.249.201.233 (180)110.249.202.94 (180)110.249.202.167 (170)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.

💡 Open Redirect Exploitation

Open redirect vulnerabilities allow attackers to redirect users from trusted domains to malicious sites. While often underestimated, these flaws enable convincing phishing, token theft through redirect-based OAuth flows, and SSRF chains.

🔍 Check Any IP Address

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