ABUSE.MOM
THREAT REPORT

IP Threat Report
37.221.194.216

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-27 01:12:16
First seen: 2026-02-23 08:00:05
Last seen: 2026-04-11 19:00:04
70

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 70/100. Total malicious requests observed: 4.

BURSTRATIO_404REDIRECT_PROBE
01

Geolocation & Classification

IP Address
37.221.194.216
Type
Residential
Country
🇩🇪 Germany
City
Nuremberg
ISP
netcup GmbH
Organization
NETCUP-GMBH
Autonomous System
AS197540 netcup GmbH
Hit Count
4
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst: 16 req / 2sAbnormally fast request rate — automated scanning+35
Burst: 16 req / 10sAbnormally fast request rate — automated scanning+35
404 ratio 40-60%Majority of requests returned 404 — enumeration+15
Probe pattern 302->404 same pathBehavioral anomaly detected by automated analysis+20
Burst: 8 req / 2sAbnormally fast request rate — automated scanning+35
Σ = 140
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

2026-02-23 08:00:05
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst: 16 req / 2s (+35), Burst: 16 req / 10s (+35), 404 ratio 40-60% (+15)
2026-04-11 19:00:04
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

netcup GmbH
AS197540 · 🇩🇪 Germany
06

Recommendations

Actions taken & recommended

  • IP 37.221.194.216 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 37.221.194.216.

🔎 Path Enumeration Protection

Block scanning from 37.221.194.216: rate-limit 404 responses per IP, deploy a honeypot 404 page, ensure no backup files are web-accessible.

08

Open Ports & Services

Network reconnaissance data from Shodan. Open ports may indicate running services, misconfigurations, or potential attack surfaces.

OPEN PORTS (1)
PortServiceRiskDescription
22SSHLowSecure Shell — common brute force target for remote access
DETECTED TECHNOLOGIES
canonical:ubuntu_linuxopenbsd:openssh:9.6p1
Hostnames: v2202412196924301935.supersrv.de
PTR: v2202412196924301935.supersrv.de

Data source: Shodan InternetDB. Scanned independently of abuse.mom.

09

Blacklist Status (DNSBL)

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

⛔ LISTED
Spamhaus ZEN

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

10

Threat Analysis

37.221.194.216 has been assigned a threat score of 70/100 (High). The IP is rated as a high-level threat. Network administrators should implement blocking rules and monitor for any connections from this address.

The following attack categories were identified:

Request FloodingPath Enumeration

📊 Threat Analysis

IP address 37.221.194.216 has been traced to Nuremberg, Germany, operating on the network of netcup GmbH. Our threat detection systems have flagged this address based on observed malicious behavior patterns. The address has been active for 47 days in our monitoring system, producing 4 flagged requests at a rate of ~0.1/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 Request Flooding combined with Path Enumeration indicate a coordinated assault rather than opportunistic scanning. With 124 flagged addresses, Germany represents a significant presence in our threat database. A threat score of 70/100 places this IP in the high-risk category. Blocking at the firewall level is 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 Germany

15.220.152.241 (320)77.81.65.244 (313)185.168.29.98 (313)91.217.249.222 (305)212.30.36.219 (305)View all →

🏢 Same network: AS197540

152.53.149.25 (205)89.58.57.45 (105)152.53.111.131 (95)152.53.144.223 (95)152.53.22.210 (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.

💡 Email Authentication: SPF, DKIM, DMARC

Email authentication protocols work together to prevent spoofing. SPF validates sending servers, DKIM provides cryptographic message signing, and DMARC defines enforcement policies. Full implementation significantly reduces phishing effectiveness.

🔍 Check Any IP Address

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