ABUSE.MOM
THREAT REPORT

IP Threat Report
220.77.64.121

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-10-25 17:38:02
First seen: 2026-09-19 16:26:47
Last seen: 2026-09-20 02:13:35
140

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 140/100. Total malicious requests observed: 12.

DANGER_PATHREFERER
01

Geolocation & Classification

IP Address
220.77.64.121
Type
Residential
Country
🇰🇷 South Korea
City
Geoje
ISP
Korea Telecom
Organization
Unknown
Autonomous System
AS4766 Korea Telecom
Hit Count
12
02

Detection Signatures

SignatureDescriptionPointsSeverity
Danger medium hits: 3Medium-risk: admin panels, config files+30
Danger strong hits: 4High-risk paths: shells, RCE vectors, exploits+100
Foreign refererReferer from unrelated external domain+10
Σ = 140
03

Observed Activity

Reconstructed HTTP requests from server access logs. Target domains redacted for security.

[redacted]
GET
/
200
Requests shown: 1 · HTTP 404: 0 · Dangerous patterns: 0

* Typical request patterns for detected signatures. Actual target domains are redacted.

04

Timeline

2026-09-19 16:26:47
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Danger medium hits: 3 (+30), Danger strong hits: 4 (+100), Foreign referer (+10)
2026-09-20 02:13:35
Last malicious request observed
Total score reached: 140/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Korea Telecom
AS4766 · 🇰🇷 South Korea

We have detected 81 malicious IPs from this autonomous system.

View all IPs from AS4766 →
06

Recommendations

Actions taken & recommended

  • IP 220.77.64.121 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

⚙️ Defensive Recommendations

Block 220.77.64.121 at the network perimeter. Implement defense-in-depth combining IP blocking with application-layer protections.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

220.77.64.121 has been assigned a threat score of 140/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

📊 Threat Analysis

The address 220.77.64.121 originates from Geoje, South Korea, operating on the network of Korea Telecom. It was identified through automated analysis of incoming network traffic across monitored endpoints. Over a period of 1 days, this IP generated 12 malicious requests, averaging approximately 12 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. With 602 flagged addresses, South Korea represents a major presence in our threat database. With a threat score of 140/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

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 South Korea

220.118.151.107 (310)175.197.250.36 (310)58.127.77.173 (310)34.64.167.219 (293)34.64.98.171 (288)View all →

🏢 Same network: AS4766

220.118.151.107 (310)175.197.250.36 (310)119.198.229.152 (280)175.196.194.36 (240)112.186.56.157 (240)View all →
12

Security Intelligence

💡 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.

💡 Insider Threat Indicators

Insider threats — whether malicious or negligent — account for a significant percentage of data breaches. Behavioral analytics detecting unusual access patterns, data downloads, and privilege escalation help identify insider risks before damage occurs.

🔍 Check Any IP Address

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