Check-Host.cc

IP adresa IPv4

133.68.165.86

Agregirano iz javnih BGP feedova, CT logova, našeg sloja skeniranja, honeypota i globalnih proba.

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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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ASN
AS2907
National Institute of Informatics
Država
JP
Japan
Reverse DNS
ryokbys.web.nitech.ac.jp
PTR
Open Ports
1
Last scan

Autonomni sistem

ASN
Naziv AS-a
National Institute of Informatics
Tip AS-a
RIR
APNIC
Dodeljeno
2002-08-01
Allocation status
Allocated

Geolokacija

Država
JP · Japan
Kontinent
Asia
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-07-20 19:08:49

Mreža

Prefix
RPKI

Otvoreni portovi

Port Proto Service Server Last seen
443 tcp https nginx 2026-07-20 19:08:38.000

TLS sertifikati

Port 443 ac7a5e5db527…
Subject: Plesk
Issuer: Plesk
SANs:
Valid 2017-05-28 17:56:24 → 2018-05-28 17:56:24

Tehnološki stek

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

Origin / IP-Leak

USP

Kada je hostname serviran iza CDN-a (npr. Cloudflare), origin server se ponekad može identifikovati podudaranjem TLS sertifikata sa zaštićenim hostname-om. Nalazi prikazani ovde su heuristički kandidati, a ne garancija.

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.

Provera sa više tačaka

Dostupnost prikupljena pasivno iz stvarnih korisničkih provera sa naših 65+ probnih lokacija. Pokrenite proveru uživo da dodate sveže podatke.

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
443 Reader mode 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.

ryokbys.web.nitech.ac.jp 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.

quartz.jzhao.xyz href · ×7
researchmap.jp href · ×2
github.com href · ×2
www.sciencedirect.com href · ×1
pubs.rsc.org href · ×1
quartz.jzhao.xyz og:url · ×1
link.springer.com href · ×1
discord.gg href · ×1
doi.org href · ×1
ion-jamology.jp href · ×1
ogt.web.nitech.ac.jp href · ×1

Istorija

First observed
2026-07-20 19:08
Last observed
2026-07-20 19:08
Scan observations
2

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