Check-Host.cc

IP Address IPv4

147.91.71.71

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

Run a live full scan of 147.91.71.71

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

Deep-scan now
ASN
Not yet attributed
Country
RS
Serbia
Reverse DNS
dynamic-147-91-71-71.ffh.bg.ac.rs
PTR
Open Ports
2
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
RIPE NCC
Allocated
1991-07-19
Allocation status
Assigned

Geolocation

Country
RS · Serbia
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-06-17 06:51:38

Network

Prefix
RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http 2026-06-17 06:51:08.000
443 tcp https 2026-05-26 17:02:12.000

TLS Certificates

Port 443 819ddf103e1d…
Subject: MORPHEUX.ffh.bg.ac.rs
Issuer: MORPHEUX.ffh.bg.ac.rs
SANs: MORPHEUX.ffh.bg.ac.rs
Valid 2020-06-10 20:27:22 → 2030-06-08 20:27:22

Known Vulnerabilities

Published CVEs matched to the software versions fingerprinted on this host. Matching is by product and version against the NVD dictionary — presence of a CVE does not confirm the host is exploitable (patches or backports may apply).

CVE Software CVSS Severity Summary
CVE-2018-1312 Apache 2.4.29 9.8 N/A In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated us...
CVE-2017-15710 Apache 2.4.29 7.5 N/A In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, mod_authnz_ldap, if configured with AuthLDAPCharsetConfig, uses the Accept-Language head...
CVE-2018-17189 Apache 2.4.29 5.3 N/A In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily...

Tech Stack

Wappalyzer fingerprinting pending

HTTP-body analysis identifies web frameworks, CMS platforms, analytics, JS libraries and server-side languages from this host.

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.

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 OAS-Radiohemija i nuklearna hemija 200
443 OAS-Radiohemija i nuklearna hemija 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.

radiohemija.ffh.bg.ac.rs 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.

phys.org href · ×9
twitter.com href · ×3

History

Historical change-log pending

ASN changes, prefix re-allocations, cert rotations, port-state diffs over months — accumulates as our archives grow.