5.40.67.139 is an IPv4 address announced by AS6739, with approximate network location Palma, Spain. Its reverse DNS name is 5.40.67.139.static.user.ono.com. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CRISTIAN ANTONIO SALVADOR SIVERA DOMINGUEZ |
| ASN | AS6739 |
| Network Name | CRISTIAN_ANTONIO |
| CIDR Block | 5.40.66.0/23 |
| RIR | RIPE |
| Network registration country | ES |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 5.40.67.139.static.user.ono.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 5.40.67.139.static.user.ono.com |
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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 12 signal types · 12 observations collected
This report is generated from 12+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 5.40.67.139
Who owns the IP address 5.40.67.139?
5.40.67.139 is registered to CRISTIAN ANTONIO SALVADOR SIVERA DOMINGUEZ. The address falls within the 5.40.66.0/23 network block. Registration is held at RIPE.
Where is 5.40.67.139 located?
Geolocation data places 5.40.67.139 in Palma, Balearic Islands, 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 5.40.67.139 malicious or safe?
5.40.67.139 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 5.40.67.139?
The reverse DNS (PTR) record for 5.40.67.139 is 5.40.67.139.static.user.ono.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
