Check-Host.cc

IP Address IPv4

133.4.190.43

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

Run a live full scan of 133.4.190.43

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
AS2500
WIDE Project
Country
JP
Japan
Reverse DNS
PTR
Open Ports
62
Last scan

Autonomous System

ASN
AS Name
WIDE Project
AS Type
RIR
Allocated

Geolocation

Country
JP · Japan
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
9 tcp 2026-07-18 21:34:57.000
21 tcp ftp 2026-07-28 09:49:02.000
22 tcp ssh 2026-06-23 03:08:05.000
43 tcp 2026-07-23 05:36:46.000
49 tcp 2026-07-16 18:29:49.000
67 tcp dhcp-server 2026-07-26 03:24:25.000
111 tcp 2026-06-15 03:54:36.000
143 tcp imap 2026-05-26 02:46:31.000
175 tcp 2026-07-18 20:19:09.000
199 tcp 2026-06-23 14:17:10.000
264 tcp 2026-07-25 15:59:24.000
401 tcp 2026-07-25 01:26:56.000
445 tcp smb 2026-06-14 19:01:28.000
502 tcp 2026-07-17 16:27:43.000
808 tcp 2026-07-27 19:13:33.000
903 tcp 2026-06-15 16:32:27.000
953 tcp 2026-07-18 14:20:32.000
993 tcp imaps 2026-07-22 02:29:12.000
1099 tcp 2026-07-27 14:15:17.000
1234 tcp 2026-06-16 04:55:13.000
1311 tcp 2026-07-18 18:51:03.000
1433 tcp mssql 2026-06-15 20:54:57.000
1494 tcp 2026-06-16 03:28:02.000
1604 tcp 2026-07-20 18:54:39.000
1755 tcp 2026-06-23 14:16:12.000
1900 tcp 2026-07-18 04:19:11.000
2000 tcp 2026-07-25 01:47:40.000
2701 tcp 2026-06-19 11:01:52.000
3268 tcp 2026-06-23 03:11:56.000
3389 tcp rdp 2026-05-26 06:39:57.000
3690 tcp 2026-06-07 06:09:31.000
5000 tcp 2026-07-17 07:13:21.000
5006 tcp 2026-06-06 04:06:54.000
5044 tcp logstash-beats 2026-06-19 14:44:32.000
5101 tcp 2026-06-16 00:03:24.000
5190 tcp 2026-07-28 16:52:27.000
5601 tcp 2026-07-17 06:17:03.000
5902 tcp 2026-06-21 17:59:00.000
5984 tcp couchdb 2026-07-20 15:01:48.000
6660 tcp 2026-06-17 12:30:12.000
7000 tcp 2026-07-20 15:20:13.000
7687 tcp neo4j-bolt 2026-07-24 01:19:29.000
8009 tcp 2026-06-21 20:31:47.000
8080 tcp http-proxy 2026-06-18 19:29:13.000
8081 tcp 2026-07-23 12:21:14.000
8088 tcp 2026-06-20 18:18:51.000
8089 tcp 2026-06-17 03:53:44.000
8181 tcp 2026-06-19 01:50:10.000
8443 tcp https-alt 2026-05-26 21:55:57.000
8444 tcp 2026-06-17 00:42:20.000
8531 tcp 2026-07-22 18:01:41.000
8883 tcp 2026-07-22 13:52:13.000
9009 tcp 2026-07-18 05:40:41.000
9043 tcp 2026-05-31 03:23:09.000
9051 tcp tor-control 2026-07-19 01:12:54.000
9090 tcp 2026-07-26 11:04:15.000
9500 tcp 2026-07-19 02:00:59.000
9999 tcp 2026-07-28 11:01:36.000
11211 tcp memcached 2026-06-20 17:59:44.000
15672 tcp 2026-06-07 01:53:32.000
35357 tcp 2026-07-21 04:33:29.000
60000 tcp 2026-06-15 03:57:33.000

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 02:46
Last observed
2026-07-28 16:52
Scan observations
138

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