Check-Host.cc

IP Address IPv4

149.111.131.20

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

Run a live full scan of 149.111.131.20

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
qanav-agupt128-3006-prod-20-elr.optum.com
PTR
Open Ports
49
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
2026-07-23 19:08:49

Network

RPKI

Open Ports

Port Proto Service Server Last seen
20 tcp ftp-data 2026-06-07 16:33:08.000
25 tcp smtp 2026-06-07 10:58:17.000
53 tcp dns 2026-07-19 03:52:02.000
109 tcp 2026-06-16 18:58:10.000
119 tcp nntp 2026-06-23 21:23:08.000
177 tcp 2026-07-17 11:14:12.000
443 tcp https 2026-07-22 13:56:27.000
540 tcp 2026-06-18 04:10:26.000
705 tcp 2026-07-22 23:34:19.000
873 tcp rsync 2026-07-23 19:07:20.000
888 tcp 2026-06-19 23:53:39.000
981 tcp 2026-06-06 10:23:35.000
992 tcp 2026-07-17 02:51:57.000
1099 tcp 2026-06-22 01:04:53.000
1521 tcp oracle 2026-06-06 05:51:34.000
1755 tcp 2026-07-17 01:58:46.000
1911 tcp niagara-fox 2026-06-13 08:47:31.000
2095 tcp 2026-07-20 11:48:08.000
2096 tcp 2026-06-13 14:00:15.000
2121 tcp 2026-07-23 11:36:12.000
3001 tcp 2026-07-15 23:29:38.000
3389 tcp rdp 2026-06-20 03:09:28.000
4045 tcp 2026-06-22 03:43:35.000
4321 tcp 2026-06-19 19:49:47.000
4899 tcp 2026-07-17 23:18:39.000
5006 tcp 2026-06-18 22:33:33.000
5101 tcp 2026-06-13 11:43:09.000
5357 tcp 2026-07-20 16:19:52.000
6001 tcp 2026-07-23 15:06:25.000
6379 tcp redis 2026-07-20 03:52:13.000
6443 tcp kubernetes 2026-06-14 15:59:28.000
7000 tcp 2026-07-22 00:07:43.000
7687 tcp neo4j-bolt 2026-06-17 09:34:10.000
8090 tcp 2026-06-23 10:48:04.000
8649 tcp 2026-06-21 02:28:18.000
8800 tcp 2026-06-14 06:11:01.000
8883 tcp 2026-07-21 18:28:54.000
9000 tcp php-fpm 2026-07-18 17:38:36.000
9999 tcp 2026-06-21 10:48:51.000
10443 tcp 2026-07-17 21:35:54.000
17500 tcp 2026-07-19 13:02:06.000
18181 tcp 2026-07-22 01:52:25.000
21025 tcp 2026-07-21 15:28:51.000
27018 tcp 2026-06-13 16:39:53.000
27019 tcp 2026-06-21 23:22:10.000
37777 tcp 2026-06-09 20:50:26.000
54321 tcp 2026-06-20 17:08:24.000
60000 tcp 2026-06-22 23:37:17.000
62078 tcp 2026-07-17 19:46:28.000

TLS Certificates

Port 443 2cae12c4bea9…
Subject: qanav-agupt128-3006-prod-20.optum.com
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: qanav-agupt128-2706-20-2-ctc.optum.com, qanav-agupt128-2706-20-2-elr.optum.com, qanav-agupt128-2706-20-2.optum.com, qanav-agupt128-3006-prod-20.optum.com
Valid 2026-06-30 00:00:00 → 2027-01-14 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

1 domain resolve (A-record) to this IP.

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

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
2026-05-30 23:41
Last observed
2026-07-23 19:07
Scan observations
111

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