# 109.243.146.121 — IP Intelligence Summary

109.243.146.121 is an IPv4 address operated by P4NET - P4NET, PL (AS39603), with approximate network location Warsaw, Poland. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/109.243.146.121
- Last updated: 2026-11-14

## Ownership

- Organization: P4-MNT
- Network name: PLAY_FBB
- Allocated block: 109.243.128.0/18
- ASN: AS39603 (https://ipdebrief.com/asn/39603)
- Regional registry: ARIN
- Registered holder: P4-MNT
- Routing operator: P4NET - P4NET, PL
- Network registration country: PL
- Registrant address country: —

## Location

- City: Warsaw
- Region: Mazovia
- Country: Poland
- Time zone: Europe/Warsaw

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

## DNS posture

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

- caa: Not found at queried name (pl)
- spf: Not checked
- dmarc: Not checked
- dnssec: Unknown / lookup inconclusive (121.146.243.109.in-addr.arpa)
- fcrDns: Not checked

## Nearby addresses

- 109.243.146.0 (https://ipdebrief.com/109.243.146.0)
- 109.243.146.8 (https://ipdebrief.com/109.243.146.8)
- 109.243.146.23 (https://ipdebrief.com/109.243.146.23)
- 109.243.146.26 (https://ipdebrief.com/109.243.146.26)
- 109.243.146.181 (https://ipdebrief.com/109.243.146.181)

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Source: IPDebrief, "109.243.146.121 IP intelligence", https://ipdebrief.com/109.243.146.121, updated 2026-11-14. Assessments are probabilistic.