Check-Host.cc

IP Address IPv4

172.65.211.209

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

Run a live full scan of 172.65.211.209

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
GeoIP pending
Reverse DNS
PTR
Open Ports
60
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
ARIN
Allocated
2015-02-25
Allocation status
Allocated

Geolocation

Country
Continent
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

Prefix
RPKI

Open Ports

Port Proto Service Server Last seen
19 tcp 2026-07-16 03:30:02.000
21 tcp ftp 2026-07-23 20:57:46.000
68 tcp dhcp-client 2026-07-22 22:01:52.000
80 tcp http Tengine 2026-05-27 02:15:44.000
88 tcp kerberos 2026-06-22 00:54:54.000
135 tcp msrpc 2026-06-21 16:44:16.000
138 tcp 2026-07-21 00:28:53.000
139 tcp netbios-ssn 2026-07-27 19:28:08.000
389 tcp ldap 2026-07-17 01:44:29.000
465 tcp smtps 2026-05-26 03:58:35.000
512 tcp 2026-06-15 03:01:45.000
514 tcp syslog 2026-06-21 09:40:50.000
548 tcp 2026-06-15 05:24:12.000
561 tcp 2026-07-22 07:19:35.000
646 tcp 2026-07-21 19:02:22.000
666 tcp 2026-07-28 02:23:17.000
705 tcp 2026-06-16 03:38:38.000
990 tcp 2026-07-23 01:04:58.000
1000 tcp 2026-07-16 21:33:06.000
1214 tcp 2026-06-22 12:25:40.000
1241 tcp 2026-06-18 17:12:56.000
1352 tcp 2026-06-13 09:32:12.000
1433 tcp mssql 2026-07-19 22:59:56.000
1723 tcp pptp 2026-06-20 23:31:25.000
2222 tcp ssh-alt 2026-06-14 06:49:47.000
2375 tcp docker 2026-07-27 16:45:21.000
3389 tcp rdp 2026-05-26 21:12:51.000
3724 tcp 2026-07-27 09:32:42.000
4045 tcp 2026-06-15 02:10:20.000
5000 tcp 2026-07-26 20:29:23.000
5005 tcp 2026-06-23 02:04:51.000
5007 tcp 2026-06-20 14:26:27.000
5044 tcp logstash-beats 2026-07-18 11:41:22.000
5101 tcp 2026-07-21 08:03:04.000
5801 tcp 2026-06-15 14:30:30.000
5803 tcp 2026-06-23 17:40:09.000
6662 tcp 2026-07-18 22:46:49.000
6667 tcp 2026-07-20 16:21:22.000
6697 tcp 2026-06-15 02:29:18.000
7001 tcp 2026-07-28 00:57:55.000
8081 tcp 2026-06-16 11:39:50.000
8082 tcp 2026-07-23 23:20:38.000
8089 tcp 2026-06-17 11:52:16.000
8123 tcp 2026-06-17 14:47:10.000
8222 tcp 2026-06-21 05:20:50.000
8443 tcp https-alt 2026-06-15 16:25:14.000
8666 tcp 2026-07-17 00:07:02.000
8880 tcp 2026-07-21 23:58:34.000
9009 tcp 2026-06-18 04:32:04.000
9100 tcp 2026-07-20 11:27:03.000
9200 tcp elasticsearch 2026-07-22 12:58:15.000
9595 tcp 2026-07-20 12:14:28.000
16389 tcp 2026-07-27 01:04:41.000
20000 tcp 2026-07-16 21:13:21.000
27017 tcp mongodb 2026-07-20 09:59:30.000
27018 tcp 2026-06-17 10:26:58.000
49153 tcp 2026-06-15 06:26:31.000
50070 tcp hadoop-namenode 2026-07-21 01:39:54.000
54321 tcp 2026-07-23 22:22:46.000
64738 tcp 2026-07-16 18:55:46.000

TLS Certificates

TLS certificate observations pending

Once our scan layer captures a TLS cert from this IP, certificate chain, JARM and JA4S fingerprints will appear here.

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.

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

No DNS-confirmed domains yet

We cross-reference body-cited domains against our DNS resolver records. Confirmations appear here once both sides have data for the same name.

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 03:58
Last observed
2026-07-28 02:23
Scan observations
136

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