Check-Host.cc

IP Address IPv4

200.49.226.18

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

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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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Autonomous System

ASN
AS Name
Universidad Nacional del Sur
AS Type
RIR
LACNIC
Allocated
2000-02-15
Allocation status
Assigned

Geolocation

Country
AR · Argentina
Continent
South America
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http Apache/2.4.66 (Fedora Linux) OpenSSL/3.5.4 2026-07-21 20:55:57.000
443 tcp https Apache/2.4.66 (Fedora Linux) OpenSSL/3.5.4 2026-06-13 06:49:57.000
993 tcp imaps 2026-07-19 17:33:40.000

TLS Certificates

Port 443 dce05e73a9a5…
Subject: alu.cs.uns.edu.ar
Issuer: R13
SANs: alu.cs.uns.edu.ar
Valid 2026-05-03 22:19:12 → 2026-08-01 22:19:11

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-2026-23918 Apache 2.4.66 8.8 N/A Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommende...

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.

Hosted Domains

1 domain 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.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-07-31.

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
80 302 Found 302
443 503 Service Unavailable 503

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.

alu.cs.uns.edu.ar DNS-confirmed

External References

No external references found yet

As HTML bodies get banner-grabbed, references to external domains land here.

History

First observed
2026-05-26 03:45
Last observed
2026-07-21 20:55
Scan observations
7

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