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CIDR
/31 · 2 IPs
ASN
Dominik Dobrowolski
Reverse DNS
No PTR record
Blocklisted
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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.

67/100
Moderate
How this score is built

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

Network Allocation for 131.143.31.65

CIDR range
131.143.31.0/31
IP range (int)
2,207,194,880 — 2,207,194,881
Prefix length
/31
Organization
Dominik Dobrowolski
ASN
AS210645
ASN name
Dominik Dobrowolski
Location
Poland
Coordinates
52.239400, 21.036200
Accuracy radius
200 km
Regional Internet Registry
ARIN
Allocated
2025-10-07
Data source(s)
ipinfo_lite, maxmind_city, maxmind_country, maxmind_asn
Last updated
2026-07-21 04:11:34

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

Announced prefix
Origin AS
Announcement samples
83,569
Last seen
2026-07-28 02:10:11

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 Country Change PL US

See the full history for 131.143.31.0/24.

Frequently Asked Questions

Who owns 131.143.31.65?

131.143.31.65 is allocated to Dominik Dobrowolski (AS210645), registered in Poland.

Where is 131.143.31.65 located?

The geolocation for 131.143.31.65 maps to 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 131.143.31.65 on?

131.143.31.65 belongs to the 131.143.31.0/31 network block announced by AS210645. This range contains 2 addresses.

Does 131.143.31.65 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: 2026-07-28 02:24:45 UTC
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