ABUSE.MOM
THREAT REPORT

IP Threat Report
46.21.253.87

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-08-23 23:18:55
First seen: 2026-08-20 16:21:44
Last seen: 2026-08-23 02:03:06
70

⛔ Verdict: BLOCK

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

BURST
01

Geolocation & Classification

IP Address
46.21.253.87
Type
VPN
Country
🇷🇺 Russia
City
Moscow
ISP
Start2 LLC
Organization
Start2 LLC
Autonomous System
AS61400 Start2 LLC
Hit Count
100
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst 12/10sAbnormally fast request rate — automated scanning+35
Burst 12/2sAbnormally 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

2026-08-20 16:21:44
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst 12/10s (+35), Burst 12/2s (+35)
2026-08-23 02:03:06
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

Start2 LLC
AS61400 · 🇷🇺 Russia
06

Recommendations

Actions taken & recommended

  • IP 46.21.253.87 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 46.21.253.87.

09

Blacklist Status (DNSBL)

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

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

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

10

Threat Analysis

46.21.253.87 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 46.21.253.87 to malicious activity originating from Moscow, Russia, operating on the network of Start2 LLC. The address has been under observation since its initial detection. During its 2-day observation window, we recorded 100 hostile requests from this IP — roughly 50 per day on average. Classified as a VPN or proxy server, this IP serves as an anonymization layer. While VPNs have legitimate uses, this address has been observed routing clearly malicious traffic. Rate-based attacks from this IP aim to overwhelm server resources through high-volume request flooding. Our records show 101 malicious IPs originating from Russia, positioning it as a significant contributor to global threat activity. At 70/100, this IP warrants immediate defensive action.

This IP is associated with a VPN or proxy service. Attackers frequently route their traffic through anonymizing services to obscure their true location. This makes attribution more challenging but the malicious behavior patterns remain detectable.

11

Related Threats

🇷🇺 Top threats from Russia

157.22.102.172 (313)178.130.54.159 (288)213.183.54.30 (275)185.103.167.63 (265)72.56.191.6 (265)View all →

🏢 Same network: AS61400

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.

💡 WordPress-Specific Attack Vectors

WordPress sites face constant automated attacks targeting xmlrpc.php for brute force amplification, wp-login.php for credential theft, and vulnerable plugins for remote code execution. Over 90% of CMS-based attacks specifically target WordPress installations.

🔍 Check Any IP Address

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