Check-Host.cc

IP Address IPv4

31.129.97.81

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

Run a live full scan of 31.129.97.81

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
AS198610
BeGet
Country
RU
Russia
Reverse DNS
PTR
Open Ports
2
Last scan

Autonomous System

ASN
AS Name
BeGet
AS Type
RIR
RIPE NCC
Allocated
2012-06-25

Geolocation

Country
RU · Russia
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http nginx 2026-06-23 05:33:18.000
443 tcp https nginx 2026-06-16 04:36:28.000

TLS Certificates

Port 443 07ab97aa0b35…
Subject: the-smart.ru
Issuer: E7
SANs: opt-express.ru, the-smart.ru, www.opt-express.ru, www.the-smart.ru, www.zvonofon.ru, zvonofon.ru
Valid 2026-04-19 19:38:55 → 2026-07-18 19:38:54

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 2026-07-28.

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 Apache2 Ubuntu Default Page: It works 200
443 ionicons-v5-e 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.

the-smart.ru DNS-confirmed
the-smart.ru DNS-confirmed
the-smart.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.

top-fwz1.mail.ru href · ×3
analytics.ahrefs.com href · ×2
mc.yandex.ru href · ×2
bugs.launchpad.net href · ×1
launchpad.net href · ×1
httpd.apache.org href · ×1
api.w.org href · ×1
yoast.com href · ×1

History

Historical change-log pending

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