# 213.156.51.166 — IP Intelligence Summary

213.156.51.166 is an IPv4 address operated by FASTWEB - Fastweb SpA, IT (AS12874), with approximate network location Genoa, Italy. Its reverse DNS name is 213-156-51-166.ip.fastwebnet.it. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/213.156.51.166
- Last updated: 2026-11-14

## Ownership

- Organization: FASTWEB-MNT
- Network name: FASTWEB-P2P_ENTERPRISE
- Allocated block: 213.156.51.128/25
- ASN: AS12874 (https://ipdebrief.com/asn/12874)
- Regional registry: RIPE
- Registered holder: FASTWEB-MNT
- Routing operator: FASTWEB - Fastweb SpA, IT
- Network registration country: IT
- Registrant address country: —

## Location

- City: Genoa
- Region: Liguria
- Country: Italy
- Time zone: Europe/Rome

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

- 213-156-51-166.ip.fastwebnet.it
- Forward-confirmed: yes

## DNS posture

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

- caa: Not found at queried name (it)
- spf: Not found at queried name (213-156-51-166.ip.fastwebnet.it)
- dmarc: Not found at queried name (_dmarc.213-156-51-166.ip.fastwebnet.it)
- dnssec: Unknown / lookup inconclusive (166.51.156.213.in-addr.arpa)
- fcrDns: Present / verified (213-156-51-166.ip.fastwebnet.it)

## Nearby addresses

- 213.156.51.138 (https://ipdebrief.com/213.156.51.138)
- 213.156.51.246 (https://ipdebrief.com/213.156.51.246)

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Source: IPDebrief, "213.156.51.166 IP intelligence", https://ipdebrief.com/213.156.51.166, updated 2026-11-14. Assessments are probabilistic.