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.
- Baseline (neutral) 65
- Not on any threat blocklist +5
- Established allocation (14y) +3
- Trust score 73 / 100
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 Jun 1, 2026 and Oct 1, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- no PTR — since at least Oct 1, 2026 → present
- tlapnet-252-185.cust.tlapnet.cz stable — Jun 1, 2026 → Oct 1, 2026
Network Allocation for 37.221.252.185
- CIDR range
- 37.221.252.0/22
- IP range (int)
- 635,304,960 — 635,305,983
- Prefix length
- /22
- Organization
- Jiri Tlapak
- ASN
- AS204666
- ASN name
- Jiri Tlapak
- Location
- Golčův Jeníkov, Vysocina, Czechia
- Coordinates
- 49.816900, 15.484700
- Accuracy radius
- 20 km
- Postal code
- 582 82
- Regional Internet Registry
- RIPE
- Allocated
- 2012-04-10
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-10-01 08:42:40
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 37.221.252.185?
37.221.252.185 is allocated to Jiri Tlapak (AS204666), registered in Golčův Jeníkov, Czechia.
Where is 37.221.252.185 located?
The geolocation for 37.221.252.185 maps to Golčův Jeníkov, Czechia 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 37.221.252.185 on?
37.221.252.185 belongs to the 37.221.252.0/22 network block announced by AS204666. This range contains 1,024 addresses.
Does 37.221.252.185 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.
