ABUSE.MOM
THREAT REPORT

IP Threat Report
88.99.48.186

ABUSE.MOM — BEHAVE OR GET EXPOSED

Generated: 2026-05-22 02:38:44
First seen: 2026-03-12 19:00:06
Last seen: 2026-03-28 22:00:08
70

⛔ Verdict: BLOCK

This IP address has been classified as a source of malicious automated activity. Threat score: 70/100. Total malicious requests observed: 3.

BURSTREFERERUA_CHANGED
01

Geolocation & Classification

IP Address
88.99.48.186
Type
Hosting
Country
🇩🇪 Germany
City
Falkenstein
ISP
Hetzner Online GmbH
Organization
Hetzner Online GmbH
Autonomous System
AS24940 Hetzner Online GmbH
Hit Count
3
02

Detection Signatures

SignatureDescriptionPointsSeverity
Burst: 5 req / 2sAbnormally fast request rate — automated scanning+35
Foreign referer seenReferer from unrelated external domain+10
UA changed for same IPMultiple User-Agents — bot rotation technique+25
Burst: 7 req / 2sAbnormally fast request rate — automated scanning+35
Σ = 105
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

2026-03-12 19:00:06
First malicious request detected
IP entered monitoring from server access logs
During observation
Multiple detection signatures triggered
Burst: 5 req / 2s (+35), Foreign referer seen (+10), UA changed for same IP (+25)
2026-03-28 22:00:08
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

Hetzner Online GmbH
AS24940 · 🇩🇪 Germany
06

Recommendations

Actions taken & recommended

  • IP 88.99.48.186 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 88.99.48.186.

🤖 Bot Detection

Address UA spoofing from 88.99.48.186: maintain blocklist of known malicious UA strings, require consistent UA across sessions, implement TLS fingerprinting.

08

Open Ports & Services

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

OPEN PORTS (4)
PortServiceRiskDescription
80HTTPLowHTTP web server — standard web traffic
443HTTPSLowHTTPS web server — encrypted web traffic
6443UnknownLowService on port 6443
50000UnknownLowService on port 50000
Hostnames: static.186.48.99.88.clients.your-server.de
PTR: static.186.48.99.88.clients.your-server.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.

✓ Clean
dnsbl.sorbs.net
✓ Clean
ix.dnsbl.manitu.net
✓ Clean
bl.spamcop.net
✓ Clean
zen.spamhaus.org
✓ 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

88.99.48.186 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 FloodingUser-Agent Anomaly

📊 Threat Analysis

The address 88.99.48.186 originates from Falkenstein, Germany, operating on the network of Hetzner Online GmbH. It was identified through automated analysis of incoming network traffic across monitored endpoints. During its 16-day observation window, we recorded 3 hostile requests from this IP — roughly 0.2 per day on average. 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 dual attack vectors of Request Flooding combined with User-Agent Anomaly indicate a coordinated assault rather than opportunistic scanning. With 163 flagged addresses, Germany represents a significant presence in our threat database. At 70/100, this IP warrants immediate defensive action.

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 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: AS24940

168.119.65.113 (260)138.201.119.20 (215)195.201.203.147 (215)46.225.153.175 (210)88.198.112.23 (208)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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