213.156.51.166
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.
🏢 Ownership & Registration
| Registered holder | FASTWEB-MNT |
| ASN | AS12874 |
| Network Name | FASTWEB-P2P_ENTERPRISE |
| CIDR Block | 213.156.51.128/25 |
| RIR | RIPE |
| Network registration country | IT |
| Routing operator | FASTWEB - Fastweb SpA, IT |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 213-156-51-166.ip.fastwebnet.it |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 213-156-51-166.ip.fastwebnet.it |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Partial coverage: 1 conclusive IP DNS checks.
| 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 |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS12874 |
| Network Prefix | 213.156.48.0/20 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-07 05:13:39 UTC |
| Last Seen | 2026-11-12 01:05:39 UTC |
| Profile Built | 2026-11-14 05:25:36 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 213.156.51.166
Who owns the IP address 213.156.51.166?
213.156.51.166 is registered to FASTWEB-MNT. The address falls within the 213.156.51.128/25 network block. Registration is held at RIPE.
Where is 213.156.51.166 located?
Geolocation data places 213.156.51.166 in Genoa, Liguria, Italy. The local time zone is Europe/Rome. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 213.156.51.166 malicious or safe?
213.156.51.166 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 213.156.51.166?
The reverse DNS (PTR) record for 213.156.51.166 is 213-156-51-166.ip.fastwebnet.it. This hostname is forward-confirmed, meaning it resolves back to the same address.