Check-Host.cc

IP Address IPv4

172.104.151.37

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

Run a live full scan of 172.104.151.37

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
AS63949
Linode AS63949
Country
DE
Germany
Reverse DNS
172-104-151-37.ip.linodeusercontent.com
PTR
Open Ports
68
Last scan

Autonomous System

ASN
AS Name
Linode AS63949
AS Type
RIR
ARIN
Allocated
2015-06-19
Allocation status
Allocated

Geolocation

Country
DE · Germany
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-07-28 15:07:20

Network

RPKI

Open Ports

Port Proto Service Server Last seen
17 tcp 2026-07-16 19:53:15.000
19 tcp 2026-06-17 23:52:52.000
21 tcp ftp 2026-05-27 02:26:13.000
25 tcp smtp 2026-05-27 03:37:51.000
49 tcp 2026-07-26 17:26:23.000
68 tcp dhcp-client 2026-07-26 08:08:55.000
119 tcp nntp 2026-05-31 10:27:11.000
138 tcp 2026-07-23 11:29:32.000
139 tcp netbios-ssn 2026-07-19 03:02:49.000
162 tcp 2026-06-14 18:39:17.000
175 tcp 2026-06-19 00:54:39.000
179 tcp bgp 2026-07-19 12:45:14.000
264 tcp 2026-07-18 09:59:44.000
389 tcp ldap 2026-06-22 14:27:13.000
427 tcp 2026-07-24 20:13:12.000
444 tcp 2026-07-24 13:03:35.000
464 tcp 2026-07-21 10:52:41.000
513 tcp 2026-05-31 04:12:59.000
514 tcp syslog 2026-06-19 09:23:02.000
587 tcp smtp-submission 2026-05-25 21:45:59.000
593 tcp 2026-06-07 12:44:37.000
660 tcp 2026-06-22 07:10:30.000
700 tcp 2026-06-19 09:53:27.000
981 tcp 2026-07-24 23:02:01.000
995 tcp pop3s WANFlex HTTP Daemon 2026-05-31 03:26:21.000
1158 tcp 2026-07-19 14:55:21.000
1241 tcp 2026-07-17 23:50:23.000
1604 tcp 2026-07-24 22:50:23.000
1863 tcp 2026-06-15 10:49:50.000
1883 tcp mqtt 2026-06-13 11:23:40.000
2096 tcp 2026-06-17 10:04:06.000
2181 tcp 2026-05-31 03:08:25.000
3128 tcp 2026-05-31 05:44:33.000
3724 tcp 2026-07-23 06:33:04.000
4040 tcp 2026-07-19 13:39:47.000
4567 tcp 2026-07-22 08:26:19.000
4848 tcp 2026-06-20 18:50:35.000
5003 tcp 2026-07-21 03:27:16.000
5005 tcp 2026-07-28 15:06:10.000
5190 tcp 2026-07-19 13:43:39.000
5555 tcp 2026-06-07 10:40:34.000
5666 tcp 2026-06-22 04:37:23.000
5801 tcp 2026-06-20 22:17:39.000
5900 tcp vnc 2026-06-16 07:13:53.000
5902 tcp 2026-06-23 15:13:11.000
6379 tcp redis 2026-05-26 20:30:22.000
6662 tcp 2026-06-17 19:07:06.000
6881 tcp 2026-07-22 05:07:01.000
7474 tcp 2026-07-20 18:31:03.000
7676 tcp 2026-07-25 07:45:47.000
7777 tcp ichat 2026-06-23 00:55:57.000
8010 tcp 2026-07-24 16:40:26.000
8080 tcp http-proxy Huawei Auth-Http Server 1.0 2026-05-26 15:30:40.000
8081 tcp LOS HTTP Server 1.0 2026-06-16 03:17:42.000
9001 tcp 2026-06-21 06:46:35.000
9091 tcp 2026-06-17 22:46:29.000
9500 tcp 2026-07-23 00:22:28.000
9595 tcp 2026-07-23 18:56:52.000
9999 tcp 2026-06-17 03:27:12.000
10255 tcp 2026-07-19 03:01:08.000
22222 tcp 2026-06-19 06:39:45.000
28017 tcp 2026-07-25 08:18:02.000
35357 tcp 2026-06-14 04:05:58.000
40000 tcp 2026-07-23 23:53:11.000
49154 tcp 2026-07-25 17:26:48.000
50070 tcp hadoop-namenode 2026-06-18 02:08:18.000
51820 tcp wireguard 2026-06-06 10:33:35.000
62078 tcp 2026-06-20 06:36:34.000

TLS Certificates

Port 995 ec5c4379a119…
Subject: localhost
Issuer: localhost
SANs: 127.0.0.1, localhost
Valid 2026-05-30 11:52:28 → 2027-05-30 11:52:28
Port 995 6af48ba3e0e6…
Subject: localhost
Issuer: localhost
SANs: 127.0.0.1, localhost
Valid 2026-05-25 08:20:47 → 2027-05-25 08:20:47

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.

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

Login panel served on ports 8081, 995, 8080 — a sign-in form is exposed to the internet.

Port Page title Status Flags
8081 Error 404--Not Found 200 login
995 Error 404--Not Found 200 login
8080 系统登录 Xinference mikrotik_logo.png /duomiui/default/css/style.css wanpvc http://rddl.xmlinside.net/PowerMeasurement/data/ion/presentvalue/1/ systemAction hrlogon 网神防火墙系统 content="http://jellyfin.org" ZoneMinder Cluster /Content/Tools/RequireJs/require.min.js hfBeinetKey 欢迎来到数拓智慧商显世界 resources/css/petclinic.css /css/dataTables.bootstrap.css /static/dist/css/AdminLTE.min.css /Help/NaviExpress/RoboHelp_CSH.js /js/Definitions.js content=\"RemObjects SDK for Delphi li 200 login

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
2026-05-25 21:45
Last observed
2026-07-28 15:06
Scan observations
145

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