ABUSE.MOM
THREAT REPORT

IP Threat Report
66.207.181.55

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 07:23:46
First seen: 2026-03-17 11:00:05
Last seen: 2026-03-17 11:00:05
70

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 70/100. Total malicious requests observed: 1.

BURST
01

Geolocation & Classification

IP Address
66.207.181.55
Type
Residential
Country
🇺🇸 United States
City
Scottsdale
ISP
CenturyLink Communications, LLC
Organization
Voce Telecom, LLC
Autonomous System
AS3561 CenturyLink Communications, LLC
Hit Count
1
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst: 10 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 10 req / 10sAbnormally fast request rate — automated scanning+35
Σ = 70
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

2026-03-17 11:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst: 10 req / 2s (+35), Burst: 10 req / 10s (+35)
2026-03-17 11:00:05
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

CenturyLink Communications, LLC
AS3561 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 66.207.181.55 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

🌊 Flood / DDoS Mitigation

Implement limit_req_zone in nginx. Deploy CDN with DDoS protection. Configure SYN cookies and connection tracking to throttle 66.207.181.55.

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

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

10

Threat Analysis

66.207.181.55 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 Flooding

📊 Threat Analysis

Threat intelligence analysis has linked 66.207.181.55 to malicious activity originating from Scottsdale, United States, operating on the network of CenturyLink Communications, LLC. The address has been under observation since its initial detection. Over a period of 1 days, this IP generated 1 malicious requests, averaging approximately 1 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. Rate-based attacks from this IP aim to overwhelm server resources through high-volume request flooding. Our records show 22 malicious IPs originating from United States, positioning it as a notable contributor to global threat activity. 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 United States

45.39.54.36 (105)23.230.243.161 (90)23.230.243.157 (90)64.29.74.231 (85)50.117.105.236 (80)View all →

🏢 Same network: AS3561

45.39.54.36 (105)23.230.243.161 (90)23.230.243.157 (90)64.29.74.231 (85)50.117.105.236 (80)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 Source Intelligence Methods

OSINT techniques leverage publicly available information for security research. DNS records, WHOIS data, certificate transparency logs, social media, and code repositories all provide valuable intelligence for threat analysis without requiring special access or tools.

🔍 Check Any IP Address

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