Skip to main content
CIDR
/20 · 4.1K IPs
ASN
O2 Czech Republic, a.s.
Reverse DNS
server.msvstudenka.cz
Last scanned 2 hr ago
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.

85/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
server.msvstudenka.cz
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
21600 s
Reverse DNS last checked
2026-10-03 10:47 UTC
Forward DNS last checked
2026-10-03 10:47 UTC

Forward DNS records for server.msvstudenka.cz

TypeValuePriorityTTL
A 109.224.68.162 — 172800s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Reverse DNS history

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

This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.

  1. server.msvstudenka.cz — Oct 2, 2026 → present
  2. 90-182-2-163.rcp.o2.cz — Oct 2, 2026 → Oct 2, 2026
  3. server.msvstudenka.cz — Oct 1, 2026 → Oct 2, 2026
  4. 90-182-2-163.rcp.o2.cz — Sep 29, 2026 → Oct 1, 2026
  5. server.msvstudenka.cz — Sep 29, 2026 → Sep 29, 2026
  6. 90-182-2-163.rcp.o2.cz — Sep 27, 2026 → Sep 29, 2026
  7. server.msvstudenka.cz — Sep 27, 2026 → Sep 27, 2026
  8. 90-182-2-163.rcp.o2.cz — Aug 25, 2026 → Sep 27, 2026
  9. server.msvstudenka.cz — Aug 19, 2026 → Aug 25, 2026
  10. 90-182-2-163.rcp.o2.cz — Aug 17, 2026 → Aug 19, 2026
  11. server.msvstudenka.cz — Jul 10, 2026 → Aug 17, 2026
  12. 90-182-2-163.rcp.o2.cz — Jun 20, 2026 → Jul 10, 2026
  13. server.msvstudenka.cz — Jun 16, 2026 → Jun 20, 2026
  14. 90-182-2-163.rcp.o2.cz — Jun 13, 2026 → Jun 16, 2026
  15. server.msvstudenka.cz — Jun 12, 2026 → Jun 13, 2026
  16. 90-182-2-163.rcp.o2.cz — Jun 11, 2026 → Jun 12, 2026

Network Allocation for 90.182.2.163

CIDR range
90.182.0.0/20
IP range (int)
1,521,876,992 — 1,521,881,087
Prefix length
/20
Organization
O2 Czech Republic, a.s.
ASN
AS5610
ASN name
O2 Czech Republic, a.s.
Location
Prague, Prague, Czechia
Coordinates
50.115500, 14.412400
Accuracy radius
50 km
Postal code
180 00
Regional Internet Registry
RIPE
Allocated
2006-09-17
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-10-03 08:45:03

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

Announced prefix
Origin AS
Announcement samples
28,022
Last seen
2026-10-03 12:23:21

Frequently Asked Questions

Who owns 90.182.2.163?

90.182.2.163 is allocated to O2 Czech Republic, a.s. (AS5610), registered in Prague, Czechia.

Where is 90.182.2.163 located?

The geolocation for 90.182.2.163 maps to Prague, 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 90.182.2.163 on?

90.182.2.163 belongs to the 90.182.0.0/20 network block announced by AS5610. This range contains 4,096 addresses.

Does 90.182.2.163 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: 2026-10-03 11:54:11 UTC
Share