188.37.204.148
188.37.204.148 is an IPv4 address operated by VODAFONE-PT - Vodafone Portugal - Communicacoes Pessoais S.A., PT (AS12353), with approximate network location Rio Tinto, Portugal. Its reverse DNS name is 148.204.37.188.rev.vodafone.pt. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AS12353-MNT |
| ASN | AS12353 |
| Network Name | PT-VDF-178 |
| CIDR Block | 188.37.128.0/17 |
| RIR | RIPE |
| Network registration country | PT |
| Routing operator | VODAFONE-PT - Vodafone Portugal - Communicacoes Pessoais S.A., PT |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 148.204.37.188.rev.vodafone.pt |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 148.204.37.188.rev.vodafone.pt |
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.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not found at queried name pt |
| spf | Unknown / lookup inconclusive 148.204.37.188.rev.vodafone.pt |
| dmarc | Unknown / lookup inconclusive _dmarc.148.204.37.188.rev.vodafone.pt |
| dnssec | Unknown / lookup inconclusive 148.204.37.188.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 148.204.37.188.rev.vodafone.pt |
☁️ 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 | AS12353 |
| Network Prefix | 188.37.0.0/16 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 23:45:29 UTC |
| Last Seen | 2026-11-08 01:52:16 UTC |
| Profile Built | 2026-11-13 08:06:03 UTC |
| Data Freshness | Live |
| Signal Types | 12 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 188.37.204.148
Who owns the IP address 188.37.204.148?
188.37.204.148 is registered to AS12353-MNT. The address falls within the 188.37.128.0/17 network block. Registration is held at RIPE.
Where is 188.37.204.148 located?
Geolocation data places 188.37.204.148 in Rio Tinto, Porto, Portugal. The local time zone is Europe/Lisbon. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 188.37.204.148 malicious or safe?
188.37.204.148 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 188.37.204.148?
The reverse DNS (PTR) record for 188.37.204.148 is 148.204.37.188.rev.vodafone.pt. This hostname is forward-confirmed, meaning it resolves back to the same address.