Check-Host.cc

IP Address IPv4

168.183.48.83

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

Run a live full scan of 168.183.48.83

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
AS10879
Unitedhealthcare
Country
US
United States
Reverse DNS
dev-airflow-unitedaistudio-ctc.optum.com
PTR
Open Ports
55
Last scan

Autonomous System

ASN
AS Name
Unitedhealthcare
AS Type
RIR
ARIN
Allocated
1997-12-17
Allocation status
Allocated

Geolocation

Country
US · United States
Continent
North America
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-07-28 05:02:50

Network

RPKI

Open Ports

Port Proto Service Server Last seen
13 tcp 2026-06-20 09:19:00.000
37 tcp 2026-06-15 04:34:31.000
69 tcp tftp 2026-06-17 05:33:45.000
80 tcp http BigIP 2026-07-17 05:01:40.000
109 tcp 2026-07-25 23:30:11.000
111 tcp 2026-07-26 05:36:32.000
143 tcp imap 2026-05-27 03:31:26.000
256 tcp 2026-07-27 15:50:29.000
401 tcp 2026-06-18 05:06:16.000
427 tcp 2026-06-15 22:08:47.000
443 tcp https 2026-07-22 11:53:34.000
500 tcp 2026-06-22 10:08:08.000
712 tcp 2026-07-25 07:32:22.000
880 tcp 2026-07-23 12:18:33.000
953 tcp 2026-07-25 08:00:57.000
1025 tcp 2026-07-24 01:17:22.000
1100 tcp 2026-06-18 21:12:42.000
1158 tcp 2026-07-19 07:23:36.000
1194 tcp openvpn 2026-07-26 07:30:35.000
1214 tcp 2026-06-20 02:57:17.000
1241 tcp 2026-07-26 19:26:16.000
2000 tcp 2026-07-19 00:31:16.000
2087 tcp 2026-07-25 16:07:08.000
2701 tcp 2026-07-18 11:32:39.000
3000 tcp 2026-07-25 10:08:03.000
3001 tcp 2026-06-19 21:44:25.000
3268 tcp 2026-07-27 22:57:43.000
3457 tcp 2026-07-22 11:06:01.000
4045 tcp 2026-06-07 07:04:41.000
5004 tcp 2026-06-07 16:30:54.000
5006 tcp 2026-06-17 00:19:41.000
5190 tcp 2026-07-19 22:44:38.000
5222 tcp 2026-07-20 17:47:18.000
5432 tcp postgres 2026-07-21 00:46:11.000
5500 tcp 2026-07-20 12:23:11.000
5672 tcp amqp 2026-06-16 18:26:37.000
6669 tcp 2026-06-14 19:41:34.000
7474 tcp 2026-07-26 20:14:27.000
7778 tcp 2026-07-23 16:14:24.000
8222 tcp 2026-07-28 05:01:31.000
8800 tcp 2026-07-18 00:28:24.000
8883 tcp 2026-06-16 15:58:52.000
8888 tcp http-alt 2026-07-17 06:39:02.000
9001 tcp 2026-06-18 16:31:30.000
9090 tcp 2026-06-23 23:19:45.000
10255 tcp 2026-07-26 03:04:25.000
14443 tcp 2026-07-27 06:11:57.000
16080 tcp 2026-07-16 11:53:28.000
17500 tcp 2026-07-24 06:37:34.000
18091 tcp 2026-07-21 02:29:47.000
25565 tcp minecraft 2026-06-14 22:06:12.000
49154 tcp 2026-06-14 04:40:07.000
50100 tcp 2026-07-21 00:39:16.000
51820 tcp wireguard 2026-07-21 14:33:08.000
54321 tcp 2026-07-20 10:46:10.000

TLS Certificates

Port 443 3f6523adea99…
Subject: dev-airflow-unitedaistudio.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: dev-airflow-unitedaistudio-ctc.optum.com, dev-airflow-unitedaistudio-elr.optum.com, dev-airflow-unitedaistudio.optum.com
Valid 2026-03-12 00:00:00 → 2027-03-12 23:59:59

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.

Hosted Domains

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 2026-07-30.

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
2026-05-27 03:31
Last observed
2026-07-28 05:01
Scan observations
116

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