# 31.131.56.56 — IP Intelligence Summary

31.131.56.56 is an IPv4 address announced by AS199936, with approximate network location Warsaw, Poland. Its reverse DNS name is 31-131-56-56.up.lublin.pl. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/31.131.56.56
- Last updated: 2026-11-13

## Ownership

- Organization: FUTUROEXITO-MNT
- Network name: UNIWERSYTET-PRZYRODNICZY-LUBLIN
- Allocated block: 31.131.48.0/20
- ASN: AS199936 (https://ipdebrief.com/asn/199936)
- Regional registry: RIPE
- Registered holder: FUTUROEXITO-MNT
- Routing operator: —
- Network registration country: PL
- Registrant address country: —

## Location

- City: Warsaw
- Region: 78
- 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

## Reverse DNS

- 31-131-56-56.up.lublin.pl
- Forward-confirmed: no

## 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, "31.131.56.56 IP intelligence", https://ipdebrief.com/31.131.56.56, updated 2026-11-13. Assessments are probabilistic.