# 91.239.36.120 — IP Intelligence Summary

91.239.36.120 is an IPv4 address announced by AS50584, with approximate network location New York, United States. Its reverse DNS name is 91nat120.rev.ndi.net.pl. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/91.239.36.120
- Last updated: 2026-11-11

## Ownership

- Organization: Arkadiusz Stasiak
- Network name: NDI-TYCHY
- Allocated block: 91.239.36.0/24
- ASN: AS50584 (https://ipdebrief.com/asn/50584)
- Regional registry: RIPE
- Registered holder: Arkadiusz Stasiak
- Routing operator: —
- Network registration country: PL
- Registrant address country: —

## Location

- City: New York
- Region: US-NY
- Country: United States
- Time zone: America/New_York

Approximate network location; registration and certificate addresses are not server-location evidence.

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: Unverified (not proof of unicast)
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (0/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- 91nat120.rev.ndi.net.pl
- Forward-confirmed: yes

## DNS posture

Mail authentication and CAA are optional domain policies, not IP-wide requirements.

- spf: Not checked
- dmarc: Not checked
- fcrDns: Not checked
- dnssec: Not checked
- caa: Not checked

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Source: IPDebrief, "91.239.36.120 IP intelligence", https://ipdebrief.com/91.239.36.120, updated 2026-11-11. Assessments are probabilistic.