ABUSE.MOM
THREAT REPORT

IP Threat Report
146.75.164.1

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 13:34:34
First seen: 2026-05-22 17:48:01
Last seen: 2026-05-24 10:20:03
115

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 115/100. Total malicious requests observed: 172.

BURSTREDIRECT_PROBEUA_CHANGED
01

Geolocation & Classification

IP Address
146.75.164.1
Type
Hosting
Country
🇺🇸 United States
City
Dallas
ISP
Fastly, Inc.
Organization
iCloud Private Relay
Autonomous System
AS54113 Fastly, Inc.
Hit Count
172
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 10/10sAbnormally fast request rate — automated scanning+35
Burst 10/2sAbnormally fast request rate — automated scanning+35
Probe 302→404Behavioral anomaly detected by automated analysis+20
UA changedMultiple User-Agents — bot rotation technique+25
Σ = 115
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 17:48:01
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 10/10s (+35), Burst 10/2s (+35), Probe 302→404 (+20)
2026-05-24 10:20:03
Last malicious request observed
Total score reached: 115/100
Next cycle
IP blocked — all subsequent requests denied (HTTP 403)
Added to blocklist automatically
05

Network Provider

Fastly, Inc.
AS54113 · 🇺🇸 United States
06

Recommendations

Actions taken & recommended

  • IP 146.75.164.1 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 146.75.164.1.

🔎 Directory Scan Defense

IP 146.75.164.1 is enumerating directories. Configure fail2ban apache-404 jail after 10+ 404 errors. Disable directory listings. Normalize all 404 responses.

🤖 Bot Detection

Address UA spoofing from 146.75.164.1: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

146.75.164.1 has been assigned a threat score of 115/100 (Critical). This is a critical-level threat. Systems administrators should treat this IP as hostile and block all inbound connections without exception.

The following attack categories were identified:

Request FloodingPath EnumerationUser-Agent Anomaly

📊 Threat Analysis

Threat intelligence analysis has linked 146.75.164.1 to malicious activity originating from Dallas, United States, operating on the network of Fastly, Inc.. The address has been under observation since its initial detection. Over a period of 1 days, this IP generated 172 malicious requests, averaging approximately 172 requests per day. Classified as a hosting IP, this address likely runs on a rented server or cloud instance. Attackers prefer datacenter IPs for their high bandwidth and disposable nature. The combination of 3 distinct attack vectors indicates a sophisticated, multi-pronged threat actor deploying automated tools that probe multiple attack surfaces simultaneously. Our records show 106 malicious IPs originating from United States, positioning it as a significant contributor to global threat activity. With a threat score of 115/100, this IP is among the most dangerous addresses in our database. Immediate and complete blocking is strongly recommended.

This IP belongs to a hosting or data center provider. Malicious traffic from hosting infrastructure often originates from compromised VPS instances, rented servers used for scanning campaigns, or abused free-tier cloud accounts. Hosting providers typically respond to abuse reports within 24-72 hours.

11

Related Threats

🇺🇸 Top threats from United States

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🏢 Same network: AS54113

146.75.136.214 (140)146.75.136.1 (130)146.75.154.1 (120)140.248.30.105 (95)146.75.136.171 (70)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.

💡 Log Correlation and SIEM Integration

Correlating logs across web servers, firewalls, DNS, and authentication systems reveals attack patterns invisible in individual log sources. Modern SIEM platforms use statistical analysis to connect related events across time and systems.

🔍 Check Any IP Address

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