○
Outpost / reputation
Get API key →

IP reputation lookup

Geolocation, network attribution and threat signals for any IPv4 address. Backed by 6 honeypots and a dozen public blocklists.

200 queries / day · free
status ● operational
Try: 88.198.24.108 1.1.1.1 8.8.8.8 SSHD brute force → log4j attack logs →
Result for
216.37.138.177
↳ barracuda.ltsd.org AS3593 FRONTIER-EPIX, US 🇺🇸 United States
Suspicious
64 / 100
Reputation score

Reputation signals

1 of 6 categories triggered
Web spam
Clean
No match · Comment & forum spam blocklists (StopForumSpam, NOC forum networks).
Web attacks
Detected
Recently observed in web exploit attempts.
Botnet C2
Clean
No match · C2 indicators from ccabuse and feodotracker.
Email spam
Clean
No match · Spamhaus DROP / EDROP listings.
Brute force
Clean
No match · SSHD honeypot capture against this IP or its /24.
DDoS source
Clean
No match · Recent amplification or volumetric activity.

Network usage

probe @ 19 May 2026 12:59 UTC
Routable true
Hosting provider false
Pingable (ICMP) false
Tor exit node false
Web server false
Open proxy / VPN true
Bogon (unroutable)false
Country 🇺🇸 US

Recommended actions

based on detected signals
BLOCK
Block traffic
Drop traffic from this IP at your firewall / edge.
BLOCK
Block account registrations
Prevent sign-ups from this address.
BLOCK
Block comments & forms
Block forum, comment and contact-form submissions.

Why: Likely malicious traffic from blacklisted IP addresses.

.htaccess nginx iptables
# Outpost · block 216.37.138.177 (suspicious · 64/100) # 1 reputation signal detected Require all granted Require not ip 216.37.138.177 # or block the entire /24: Require not ip 216.37.138.0/24

Raw response

application/json · cached 60s
{ "ip": "216.37.138.177", "reverse": "barracuda.ltsd.org", "as_number": "3593", "as_name": "FRONTIER-EPIX, US", "country_code": "US", "country": "United States", "usage": { "is_pingable": false, "is_webserver": false, "is_routable": true, "is_tor": false, "is_proxy": true, "details": "IP listed as an open public proxy or VPN.", "is_hosting": false, "is_bogon": false }, "reputation": { "web_spam": false, "web_attacks": true, "details": "IP being used in web attacks.", "botnet": false, "email_spam": false, "brute_force": false, "ddos": false }, "recommendations": { "block_traffic": true, "block_registrations": true, "block_comments": true, "details": "Likely malicious traffic from blacklisted IP addresses." } }