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CIDR
/20 · 4.1K IPs
ASN
U.S. Dept. of Health and Human Services
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 158.71.80.210

CIDR range
158.71.80.0/20
IP range (int)
2,655,473,664 — 2,655,477,759
Prefix length
/20
Organization
U.S. Dept. of Health and Human Services
ASN
AS26810
ASN name
U.S. Dept. of Health and Human Services
Location
Upper Marlboro, Maryland, United States
Coordinates
38.840600, -76.799900
Accuracy radius
5 km
Postal code
20772
Regional Internet Registry
ARIN
Allocated
1992-02-15
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:23:39

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
4,057
Last seen
2026-07-20 22:58:43

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 New Allocation US

See the full history for 158.70.0.0/15.

Frequently Asked Questions

Who owns 158.71.80.210?

158.71.80.210 is allocated to U.S. Dept. of Health and Human Services (AS26810), registered in Upper Marlboro, United States.

Where is 158.71.80.210 located?

The geolocation for 158.71.80.210 maps to Upper Marlboro, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 158.71.80.210 on?

158.71.80.210 belongs to the 158.71.80.0/20 network block announced by AS26810. This range contains 4,096 addresses.

Does 158.71.80.210 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-20 20:17:42 UTC
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