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CIDR
/21 · 2.0K IPs
ASN
K2 atmitec s.r.o.
Reverse DNS
178.248.12.91.ip.k2.cz
last known PTR from 32 min ago
Blocklisted
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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.

81/100
Trusted
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 Jun 11, 2026 and Oct 3, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. no PTR — since at least Oct 3, 2026 → present
  2. 178.248.12.91.ip.k2.cz stable — Jun 11, 2026 → Oct 3, 2026

Network Allocation for 178.248.12.91

CIDR range
178.248.8.0/21
IP range (int)
3,002,599,424 — 3,002,601,471
Prefix length
/21
Organization
K2 atmitec s.r.o.
ASN
AS197083
ASN name
K2 atmitec s.r.o.
Location
Dolní Benešov, Moravian Silesian Region, Czechia
Coordinates
49.916000, 18.110500
Accuracy radius
10 km
Postal code
747 22
Regional Internet Registry
RIPE
Allocated
2010-04-29
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-10-03 08:47:46

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

Announced prefix
Origin AS
Announcement samples
35,863
Last seen
2026-10-03 23:09:12

Frequently Asked Questions

Who owns 178.248.12.91?

178.248.12.91 is allocated to K2 atmitec s.r.o. (AS197083), registered in Dolní Benešov, Czechia.

Where is 178.248.12.91 located?

The geolocation for 178.248.12.91 maps to Dolní Benešov, 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 178.248.12.91 on?

178.248.12.91 belongs to the 178.248.8.0/21 network block announced by AS197083. This range contains 2,048 addresses.

Does 178.248.12.91 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 17:27:33 UTC
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