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CIDR
/21 · 2.0K IPs
ASN
Biznes Swiatlowodem Sp. z o.o.
Reverse DNS
komp-188-191-217-189.protonet.pl
Last scanned 6 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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
komp-188-191-217-189.protonet.pl
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-09-16 03:57 UTC
Forward DNS last checked
2026-09-16 03:57 UTC

Forward DNS records for komp-188-191-217-189.protonet.pl

TypeValuePriorityTTL
A 188.191.217.189 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.

Network Allocation for 188.191.217.189

CIDR range
188.191.216.0/21
IP range (int)
3,166,689,280 — 3,166,691,327
Prefix length
/21
Organization
Biznes Swiatlowodem Sp. z o.o.
ASN
AS39507
ASN name
Biznes Swiatlowodem Sp. z o.o.
Location
Rudniki, Opole Voivodeship, Poland
Coordinates
52.239400, 21.036200
Accuracy radius
200 km
Postal code
46-325
Regional Internet Registry
RIPE
Allocated
2011-03-02
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-07-11 00:20:41

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

Announced prefix
Origin AS
Announcement samples
129,161
Last seen
2026-09-16 09:59:22

Frequently Asked Questions

Who owns 188.191.217.189?

188.191.217.189 is allocated to Biznes Swiatlowodem Sp. z o.o. (AS39507), registered in Rudniki, Poland.

Where is 188.191.217.189 located?

The geolocation for 188.191.217.189 maps to Rudniki, Poland 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 188.191.217.189 on?

188.191.217.189 belongs to the 188.191.216.0/21 network block announced by AS39507. This range contains 2,048 addresses.

Does 188.191.217.189 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: 2026-09-16 05:14:54 UTC
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