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CIDR
/21 · 2.0K IPs
ASN
CASABLANCA INT a.s.
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 →

DNS records

Reverse DNS (PTR)
109-123-220-045.tvujweb.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
21600 s
Reverse DNS last checked
2026-10-06 14:31 UTC
Forward DNS last checked
2026-10-06 14:31 UTC

Forward DNS records for 109-123-220-045.tvujweb.net

TypeValuePriorityTTL
A 109.123.220.45 — 172529s
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.

Domains hosted

as of 2026-10-04 UTC

0

issued.live saw no domain resolving to this IP in its latest weekly snapshot.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Reverse DNS history

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

Reverse-DNS changes between Oct 6, 2026 and Oct 6, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. 109-123-220-045.tvujweb.net — since at least Oct 6, 2026 → present
  2. no PTR — Oct 6, 2026 → Oct 6, 2026
  3. 109-123-220-045.tvujweb.net stable — Jun 1, 2026 → Oct 6, 2026

Network Allocation for 109.123.220.45

CIDR range
109.123.216.0/21
IP range (int)
1,836,832,768 — 1,836,834,815
Prefix length
/21
Organization
CASABLANCA INT a.s.
ASN
AS15685
ASN name
CASABLANCA INT a.s.
Location
Czechia
Coordinates
50.084800, 14.411200
Accuracy radius
100 km
Regional Internet Registry
RIPE
Allocated
2009-10-20
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-06 08:46:42

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

Announced prefix
Origin AS
Announcement samples
13,915
Last seen
2026-10-06 20:22:53

Frequently Asked Questions

Who owns 109.123.220.45?

109.123.220.45 is allocated to CASABLANCA INT a.s. (AS15685), registered in Czechia.

Where is 109.123.220.45 located?

The geolocation for 109.123.220.45 maps to 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 109.123.220.45 on?

109.123.220.45 belongs to the 109.123.216.0/21 network block announced by AS15685. This range contains 2,048 addresses.

Does 109.123.220.45 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: 2026-10-06 12:04:09 UTC
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