ABUSE.MOM
THREAT REPORT

IP Threat Report
61.230.99.106

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 12:08:01
First seen: 2026-04-26 15:00:06
Last seen: 2026-04-27 22:00:07
130

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 130/100. Total malicious requests observed: 7.

UA_CHANGEDDANGER_PATHRATIO_404REDIRECT_PROBEREFERER
01

Geolocation & Classification

IP Address
61.230.99.106
Type
Residential
Country
🇹🇼 Taiwan
City
New Taipei City
ISP
Chunghwa Telecom Co., Ltd.
Organization
Chunghwa Telecom Co. Ltd.
Autonomous System
AS3462 Data Communication Business Group
Hit Count
7
02

Detection Signatures

SignatureDescriptionPointsSeverity
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Danger medium hits: 10Medium-risk: admin panels, config files+60
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Foreign referer seenReferer from unrelated external domain+10
Danger medium hits: 6Medium-risk: admin panels, config files+60
Danger medium hits: 12Medium-risk: admin panels, config files+60
Danger medium hits: 15Medium-risk: admin panels, config files+60
Danger medium hits: 11Medium-risk: admin panels, config files+60
Σ = 370
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

2026-04-26 15:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
UA changed for same IP (+25), Danger medium hits: 10 (+60), 404 ratio 40-60% (+15)
2026-04-27 22:00:07
Last malicious request observed
Total score reached: 130/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Chunghwa Telecom Co., Ltd.
AS3462 · 🇹🇼 Taiwan
06

Recommendations

Actions taken & recommended

  • IP 61.230.99.106 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

🤖 User-Agent Anomaly Defense

IP 61.230.99.106 shows suspicious UA behavior. Block empty User-Agent requests. Implement JavaScript-based bot detection for sensitive endpoints.

🔎 Path Enumeration Protection

Block scanning from 61.230.99.106: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

09

Blacklist Status (DNSBL)

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

⛔ LISTED
zen.spamhaus.org
✓ Clean
dnsbl.sorbs.net
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
bl.spamcop.net
✓ Clean
b.barracudacentral.org
✓ Clean
truncate.gbudb.net
✓ Clean
psbl.surriel.com
✓ Clean
dnsbl-1.uceprotect.net

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

10

Threat Analysis

61.230.99.106 has been assigned a threat score of 130/100 (Critical). This places it in the critical threat category. Immediate blocking is strongly advised across all network perimeters.

The following attack categories were identified:

User-Agent AnomalyPath Enumeration

📊 Threat Analysis

The address 61.230.99.106 originates from New Taipei City, Taiwan, operating on the network of Chunghwa Telecom Co., Ltd.. It was identified through automated analysis of incoming network traffic across monitored endpoints. Our sensors captured 7 malicious requests from this address across a 1-day span, reflecting a sustained attack cadence of ~7 requests per day. This residential IP is likely a compromised consumer device. Home routers and IoT equipment with default credentials are prime targets for botnet operators. The dual attack vectors of User-Agent Anomaly combined with Path Enumeration indicate a coordinated assault rather than opportunistic scanning. Taiwan currently accounts for 71 blocked IPs in our database, making it a notable source of malicious traffic. With a threat score of 130/100, 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 Taiwan

34.80.73.228 (253)35.185.143.111 (200)34.80.216.128 (195)104.155.218.51 (180)35.234.32.129 (180)View all →

🏢 Same network: AS3462

211.21.61.246 (130)211.21.61.225 (130)1.175.191.85 (125)111.251.68.123 (115)1.169.219.205 (105)View all →
12

Security Intelligence

💡 User-Agent Analysis Techniques

Analyzing User-Agent strings reveals automated tools masquerading as legitimate browsers. Inconsistencies between claimed browser capabilities and actual behavior, impossible version combinations, and known scanner signatures help identify malicious clients.

💡 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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