37.133.197.139
37.133.197.139 is an IPv4 address, with approximate network location Valencia, Spain. Its reverse DNS name is 139.197.133.37.dynamic.jazztel.es. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Unknown |
| ASN | — |
| Network Name | — |
| CIDR Block | — |
| RIR | — |
| Network registration country | — |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 139.197.133.37.dynamic.jazztel.es |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 139.197.133.37.dynamic.jazztel.es |
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 | Unknown / lookup inconclusive 133.37.dynamic.jazztel.es |
| spf | Unknown / lookup inconclusive 139.197.133.37.dynamic.jazztel.es |
| dmarc | Unknown / lookup inconclusive _dmarc.139.197.133.37.dynamic.jazztel.es |
| dnssec | Unknown / lookup inconclusive 139.197.133.37.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 139.197.133.37.dynamic.jazztel.es |
☁️ 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 | AS12479 |
| Network Prefix | 37.133.196.0/22 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-06 00:58:14 UTC |
| Last Seen | 2026-11-08 02:13:43 UTC |
| Profile Built | 2026-11-13 07:57:53 UTC |
| Data Freshness | Live |
| Signal Types | 9 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.133.197.139
Where is 37.133.197.139 located?
Geolocation data places 37.133.197.139 in Valencia, Valencia, Spain. The local time zone is Europe/Madrid. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 37.133.197.139 malicious or safe?
37.133.197.139 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 37.133.197.139?
The reverse DNS (PTR) record for 37.133.197.139 is 139.197.133.37.dynamic.jazztel.es. This hostname is forward-confirmed, meaning it resolves back to the same address.