# 31.51.117.90 — IP Intelligence Summary

31.51.117.90 is an IPv4 address announced by AS2856, with approximate network location Leven, United Kingdom. Its reverse DNS name is host31-51-117-90.range31-51.btcentralplus.com. As of October 7, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/31.51.117.90
- Last updated: 2026-10-07

## Ownership

- Organization: BT CENTRAL PLUS - OPERATIONAL SUPPORT
- Network name: BT-Central-Plus
- Allocated block: 31.51.0.0/16
- ASN: AS2856 (https://ipdebrief.com/asn/2856)
- Regional registry: RIPE
- Registered holder: BT CENTRAL PLUS - OPERATIONAL SUPPORT
- Routing operator: —
- Network registration country: GB
- Registrant address country: —

## Location

- City: Leven
- Region: Scotland
- Country: United Kingdom
- Time zone: Europe/London

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

- host31-51-117-90.range31-51.btcentralplus.com
- 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, "31.51.117.90 IP intelligence", https://ipdebrief.com/31.51.117.90, updated 2026-10-07. Assessments are probabilistic.