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CIDR
/21 · 2.0K IPs
ASN
OOO NIIR-RadioNet
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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

Reverse-DNS changes between Aug 18, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. no PTR — since at least Oct 1, 2026 → present
  2. unreachable stable — Aug 18, 2026 → Oct 1, 2026

Network Allocation for 217.76.38.146

CIDR range
217.76.32.0/21
IP range (int)
3,645,644,800 — 3,645,646,847
Prefix length
/21
Organization
OOO NIIR-RadioNet
ASN
AS16143
ASN name
OOO NIIR-RadioNet
Location
Chekhov, Moscow Oblast, Russia
Coordinates
55.147100, 37.466400
Accuracy radius
20 km
Postal code
142300
Regional Internet Registry
RIPE
Allocated
2000-11-24
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-10-01 08:50:23

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

Announced prefix
Origin AS
Announcement samples
72,787
Last seen
2026-10-01 23:34:33

Frequently Asked Questions

Who owns 217.76.38.146?

217.76.38.146 is allocated to OOO NIIR-RadioNet (AS16143), registered in Chekhov, Russia.

Where is 217.76.38.146 located?

The geolocation for 217.76.38.146 maps to Chekhov, Russia 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 217.76.38.146 on?

217.76.38.146 belongs to the 217.76.32.0/21 network block announced by AS16143. This range contains 2,048 addresses.

Does 217.76.38.146 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: 2026-10-01 22:29:31 UTC
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