Check-Host.cc

IP Address IPv4

103.80.133.89

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

Run a live full scan of 103.80.133.89

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
KR
South Korea
Reverse DNS
PTR
Open Ports
28
Last scan

Autonomous System

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

Geolocation

Country
KR · South Korea
Continent
Asia
Source
MaxMind GeoLite2

Reverse DNS

PTR
Last seen

Network

RPKI

Open Ports

Port Proto Service Server Last seen
88 tcp kerberos 2026-07-22 02:01:34.000
104 tcp 2026-07-19 12:30:23.000
119 tcp nntp 2026-06-23 11:40:32.000
311 tcp 2026-06-20 18:05:21.000
322 tcp 2026-06-13 19:11:04.000
389 tcp ldap 2026-06-16 12:01:50.000
524 tcp 2026-06-17 12:48:09.000
636 tcp ldaps 2026-07-16 11:35:04.000
873 tcp rsync 2026-07-21 00:34:27.000
902 tcp 2026-06-20 15:13:40.000
995 tcp pop3s 2026-06-19 23:48:57.000
1100 tcp 2026-06-13 13:18:18.000
1110 tcp 2026-06-15 14:08:21.000
2095 tcp 2026-06-14 02:11:04.000
3457 tcp 2026-07-20 00:40:44.000
5000 tcp 2026-07-16 20:22:54.000
5432 tcp postgres 2026-07-20 22:35:01.000
8087 tcp 2026-06-15 03:18:54.000
8443 tcp https-alt 2026-07-18 08:37:18.000
9092 tcp kafka 2026-07-18 07:52:49.000
9999 tcp 2026-07-21 22:58:23.000
10000 tcp 2026-06-16 01:15:03.000
10443 tcp 2026-07-17 14:16:04.000
17000 tcp 2026-06-18 04:20:27.000
49154 tcp 2026-06-13 08:39:00.000
50050 tcp 2026-07-22 07:57:48.000
50100 tcp 2026-07-22 11:28:28.000
62078 tcp 2026-07-22 06:30:46.000

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

Matches against threat-intel feeds we mirror (Tor exit list, FireHOL, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Each row counts the (feed, category) pair — same IP on multiple mirrors of the same feed collapses to one row.

Feed Category First seen Last seen Hits
firehol-l1 abuse 2026-05-31 23:36:32 2026-07-22 10:59:49 3
spamhaus-drop spam 2026-05-31 23:36:32 2026-07-22 10:59:49 3

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
2026-06-13 08:38
Last observed
2026-07-22 11:28
Scan observations
56

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