ABUSE.MOM
THREAT REPORT

IP Threat Report
223.166.22.167

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-30 07:37:01
First seen: 2026-05-17 14:00:06
Last seen: 2026-05-24 10:20:08
70

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 70/100. Total malicious requests observed: 682.

BURSTREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
223.166.22.167
Type
Residential
Country
🇨🇳 China
City
Shanghai
ISP
China Unicom Shanghai Province Network
Organization
Unknown
Autonomous System
AS17621 China Unicom Shanghai network
Hit Count
682
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 6/2sAbnormally fast request rate — automated scanning+35
Burst: 6 req / 2sAbnormally fast request rate — automated scanning+35
Foreign refererReferer from unrelated external domain+10
Foreign referer seenReferer from unrelated external domain+10
UA changedMultiple User-Agents — bot rotation technique+25
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Σ = 140
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

2026-05-17 14:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 6/2s (+35), Burst: 6 req / 2s (+35), Foreign referer (+10)
2026-05-24 10:20:08
Last malicious request observed
Total score reached: 70/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

China Unicom Shanghai Province Network
AS17621 · 🇨🇳 China
06

Recommendations

Actions taken & recommended

  • IP 223.166.22.167 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 223.166.22.0/24
  • Report abuse to the network provider via their abuse contact
  • Ensure sensitive files (.env, .git, backups) are not accessible from the web

🌊 Traffic Flood Defense

IP 223.166.22.167 is generating excessive traffic. Limit connections per source IP. Enable geographic blocking if traffic from this region is unexpected.

🤖 User-Agent Anomaly Defense

IP 223.166.22.167 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

07

Neighbors in 223.166.22.0/24

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

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

10

Threat Analysis

223.166.22.167 has been assigned a threat score of 70/100 (High). This score indicates high threat severity. The IP has shown clear patterns of malicious behavior that warrant immediate defensive measures.

The following attack categories were identified:

Request FloodingUser-Agent Anomaly

📊 Threat Analysis

IP address 223.166.22.167 has been traced to Shanghai, China, operating on the network of China Unicom Shanghai Province Network. Our threat detection systems have flagged this address based on observed malicious behavior patterns. Our sensors captured 682 malicious requests from this address across a 6-day span, reflecting a sustained attack cadence of ~113.7 requests per day. This is a residential IP address, suggesting a compromised home device such as a router, smart appliance, or infected workstation participating in a botnet. Two attack patterns were identified (Request Flooding and User-Agent Anomaly), suggesting a semi-automated campaign that targets multiple vulnerabilities. With 117 flagged addresses, China represents a significant presence in our threat database. At 70/100, this IP warrants immediate defensive action.

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

🇨🇳 Top threats from China

180.184.55.222 (340)117.50.120.215 (235)115.191.1.205 (235)123.58.16.244 (235)43.142.47.248 (230)View all →

🏢 Same network: AS17621

27.115.124.101 (145)27.115.124.53 (130)27.115.124.109 (120)223.166.22.99 (105)223.166.237.34 (105)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.

💡 Threat Intelligence Sharing Frameworks

Standards like STIX/TAXII, MISP, and OpenIOC enable automated sharing of threat intelligence between organizations. Collective defense through shared indicators, tactics, and procedures strengthens the entire security community against common threats.

🔍 Check Any IP Address

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