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CIDR
/21 · 2.0K IPs
ASN
Atman Sp. z o.o.
Reverse DNS
mail2.uprp.pl
Last scanned 1 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)
mail2.uprp.pl
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-09-30 18:29 UTC
Forward DNS last checked
2026-09-30 18:29 UTC
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.

Reverse-DNS changes between Sep 28, 2026 and Sep 30, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. mail2.uprp.pl — since at least Sep 30, 2026 → present
  2. mail2.uprp.gov.pl — Sep 28, 2026 → Sep 30, 2026
  3. mail2.uprp.pl — Sep 28, 2026 → Sep 28, 2026
  4. mail2.uprp.gov.pl — Sep 27, 2026 → Sep 28, 2026
  5. mail2.uprp.pl — Sep 25, 2026 → Sep 27, 2026
  6. mail2.uprp.gov.pl — Aug 18, 2026 → Sep 25, 2026
  7. mail2.uprp.pl — Aug 18, 2026 → Aug 18, 2026
  8. mail2.uprp.gov.pl — Jun 13, 2026 → Aug 18, 2026

Network Allocation for 217.17.45.2

CIDR range
217.17.40.0/21
IP range (int)
3,641,780,224 — 3,641,782,271
Prefix length
/21
Organization
Atman Sp. z o.o.
ASN
AS15694
ASN name
Atman Sp. z o.o.
Location
Warsaw, Mazovia, Poland
Coordinates
52.229900, 21.009300
Accuracy radius
20 km
Postal code
00-510
Regional Internet Registry
RIPE
Allocated
2000-09-13
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-09-29 18:58:42

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

Announced prefix
Origin AS
Announcement samples
25,753
Last seen
2026-09-30 19:09:43

Frequently Asked Questions

Who owns 217.17.45.2?

217.17.45.2 is allocated to Atman Sp. z o.o. (AS15694), registered in Warsaw, Poland.

Where is 217.17.45.2 located?

The geolocation for 217.17.45.2 maps to Warsaw, 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 217.17.45.2 on?

217.17.45.2 belongs to the 217.17.40.0/21 network block announced by AS15694. This range contains 2,048 addresses.

Does 217.17.45.2 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: 2026-09-30 19:25:12 UTC
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