Check-Host.cc

IP Address IPv4

91.113.146.75

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of 91.113.146.75

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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ASN
Not yet attributed
Country
AT
Austria
Reverse DNS
neptun.00010111.at
PTR
Open Ports
3
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
RIPE NCC
Allocated
2006-09-04
Allocation status
Allocated

Geolocation

Country
AT · Austria
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-07-23 18:08:49

Network

Prefix
RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http Apache/2.4.52 (Ubuntu) 2026-07-23 18:08:10.000
443 tcp https Apache/2.4.52 (Ubuntu) 2026-05-27 03:38:55.000
993 tcp imaps 2026-05-26 06:30:20.000

TLS Certificates

Port 443 f4e7bbbb5569…
Subject: 00010111.at
Issuer: R13
SANs: 00010111.at, www.00010111.at
Valid 2026-05-01 05:53:41 → 2026-07-30 05:53:40

Tech Stack

Detected via Wappalyzer-style rules on the HTTP response body, headers, scripts and meta tags.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-leak candidates for this IP

When this IP serves a TLS cert for a domain that fronts behind a CDN, that domain surfaces here as an origin-leak candidate with a confidence score.

Hosted Domains

4 domains resolve (A-record) to this IP.

Multi-Vantage Check

Reachability accrued passively from real user-triggered checks across our 65+ probe nodes. Run a live check to add fresh data.

No accumulated reachability data yet

Reachability accrues from real user-triggered checks. Trigger a Ping or HTTP check from our 65+ probe nodes to contribute the first data point.

Web Pages

Port Page title Status Flags
80 less ./b00010111/blog 200
443 less ./b00010111/blog 200

Threat Intelligence

No threat-intel matches

This IP doesn't appear in any of the feeds we mirror (Tor exits, FireHOL Level 1-3, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Absence here doesn't prove the IP is clean — it just means none of our public-feed sources flag it.

Co-Hosted Domains

Domains this host references in its HTML AND whose DNS A/AAAA record resolves back to this IP — i.e. actually hosted here.

www.00010111.at DNS-confirmed
www.00010111.at DNS-confirmed

External References

Domains the body links to whose DNS does NOT resolve to this IP — usually CDN assets, embeds, or third-party services. Boilerplate (Google Fonts, jsDelivr, w3.org…) is already filtered.

www.amazon.de href · ×10
http.us.debian.org href · ×4
www.raspberrypi.org href · ×4
duckduckgo.com href · ×4
sourceforge.net href · ×2
octopress.org href · ×2
deb.torproject.org href · ×2
www.kali.org href · ×2
i.creativecommons.org href · ×2
google.com href · ×2
twitter.com href · ×2
ghostscript.com href · ×2
t.co href · ×2

History

First observed
2026-05-26 06:30
Last observed
2026-07-23 18:08
Scan observations
6

The full change-log (ASN moves, cert rotations, port-state diffs) accumulates as our archives grow.