Check-Host.cc

IP Address IPv4

45.91.226.203

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

Run a live full scan of 45.91.226.203

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
AS136038
Click for details
Country
HK
Hong Kong
Reverse DNS
PTR
Open Ports
72
Last scan

Autonomous System

ASN
AS Name
AS Type
RIR
APNIC
Allocated
2016-11-29
Allocation status
Allocated

Geolocation

Country
HK · Hong Kong
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
7 tcp 2026-06-07 14:08:59.000
19 tcp 2026-07-24 02:21:01.000
20 tcp ftp-data 2026-06-19 21:19:35.000
25 tcp smtp 2026-05-27 01:27:52.000
37 tcp 2026-06-17 04:41:39.000
67 tcp dhcp-server 2026-06-19 23:58:39.000
81 tcp 2026-06-17 23:44:56.000
110 tcp pop3 2026-06-22 02:49:00.000
111 tcp 2026-06-16 13:19:25.000
138 tcp 2026-06-15 14:43:42.000
139 tcp netbios-ssn 2026-06-14 04:21:10.000
177 tcp 2026-07-17 02:21:05.000
199 tcp 2026-07-17 12:55:14.000
322 tcp 2026-07-26 19:14:52.000
389 tcp ldap 2026-06-21 01:27:33.000
465 tcp smtps 2026-07-19 00:25:51.000
514 tcp syslog 2026-07-24 02:02:34.000
523 tcp 2026-07-16 20:00:03.000
563 tcp 2026-07-26 01:11:00.000
880 tcp 2026-06-22 10:02:21.000
993 tcp imaps 2026-05-26 03:16:40.000
1080 tcp socks 2026-07-19 16:15:41.000
1100 tcp 2026-07-26 13:37:05.000
1158 tcp 2026-06-07 11:48:46.000
1194 tcp openvpn 2026-06-21 18:29:09.000
1604 tcp 2026-07-23 17:22:26.000
2083 tcp 2026-06-23 13:52:29.000
2096 tcp 2026-07-21 17:05:55.000
2181 tcp 2026-06-15 05:19:15.000
2375 tcp docker 2026-07-17 18:09:59.000
3000 tcp 2026-07-21 16:40:16.000
3389 tcp rdp 2026-06-14 16:56:52.000
4000 tcp 2026-06-18 04:21:28.000
4222 tcp nats 2026-07-22 15:43:40.000
4848 tcp 2026-06-22 02:16:53.000
5002 tcp 2026-06-19 17:42:28.000
5003 tcp 2026-06-07 13:05:16.000
5009 tcp 2026-06-22 20:42:06.000
5190 tcp 2026-06-20 17:00:19.000
5269 tcp 2026-07-27 10:49:32.000
5353 tcp 2026-06-17 20:31:31.000
5432 tcp postgres 2026-05-26 08:28:54.000
5802 tcp 2026-07-27 09:44:40.000
6665 tcp 2026-07-23 14:53:52.000
6697 tcp 2026-06-21 23:38:52.000
7070 tcp 2026-07-25 06:30:57.000
7100 tcp 2026-06-07 02:45:52.000
8008 tcp 2026-06-15 00:35:53.000
8010 tcp 2026-06-20 05:39:51.000
8082 tcp 2026-07-28 06:05:26.000
8087 tcp 2026-06-20 12:29:23.000
8181 tcp 2026-06-21 00:30:12.000
8200 tcp vault 2026-07-17 10:16:03.000
8666 tcp 2026-07-26 17:00:25.000
8800 tcp 2026-07-27 15:37:00.000
8880 tcp 2026-07-26 22:32:51.000
8883 tcp 2026-07-23 22:16:56.000
9000 tcp php-fpm 2026-06-06 13:46:03.000
9051 tcp tor-control 2026-07-24 12:08:07.000
9090 tcp 2026-07-26 01:42:35.000
9443 tcp 2026-06-16 02:27:23.000
9500 tcp 2026-06-19 04:55:45.000
10443 tcp 2026-06-21 10:01:19.000
10911 tcp 2026-06-17 20:56:57.000
16389 tcp 2026-06-18 04:27:07.000
17500 tcp 2026-07-28 16:21:19.000
18181 tcp 2026-07-23 01:25:21.000
27019 tcp 2026-07-21 22:25:04.000
32769 tcp 2026-07-24 18:51:55.000
35357 tcp 2026-07-21 05:37:03.000
44818 tcp ethernet-ip 2026-07-19 11:30:49.000
49153 tcp 2026-07-18 09:55:50.000

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.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-07-31.

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 03:16
Last observed
2026-07-28 16:21
Scan observations
153

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