Check-Host.cc

IP Address IPv4

91.226.80.223

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

Run a live full scan of 91.226.80.223

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
AS44128
Click for details
Country
RU
Russia
Reverse DNS
PTR
Open Ports
3
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
RIPE NCC
Allocated
2007-11-21
Allocation status
Assigned

Geolocation

Country
RU · Russia
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
25 tcp smtp 2026-06-22 09:28:03.000
80 tcp http nginx/1.4.6 (Ubuntu) 2026-06-18 23:59:08.000
443 tcp https nginx/1.4.6 (Ubuntu) 2026-07-23 01:11:15.000

TLS Certificates

Port 443 208247d8595d…
Subject: 1-steel.ru
Issuer: R13
SANs: 1-steel.ru, www.1-steel.ru
Valid 2026-05-28 11:33:01 → 2026-08-26 11:33:00

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.

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 2026-08-03.

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 ПЕРВАЯ СТАЛЬНАЯ УРАЛА: ТРУБЫ 15Х5М, ГОСТ 550-75, трубы крекинговые, ТУ 14-3Р-62-2002 в наличии 200
80 404 Not Found 404

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.1-steel.ru DNS-confirmed
pipe.1-steel.ru 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.

issuu.com href · ×4
top-fwz1.mail.ru href · ×2
mc.yandex.ru href · ×2
plus.google.com href · ×1
www.liveinternet.ru href · ×1
informer.yandex.ru href · ×1
api-maps.yandex.ru href · ×1
metrika.yandex.ru href · ×1

History

First observed
2026-06-18 23:58
Last observed
2026-07-23 01:11
Scan observations
6

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