139.5.255.51 is an IPv4 address, with approximate network location Kanpur, India. 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 Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
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 checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive
51.255.5.139.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 7 signal types · 7 observations collected
This report is generated from 7+ 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 139.5.255.51
Where is 139.5.255.51 located?
Geolocation data places 139.5.255.51 in Kanpur, Uttar Pradesh, India. The local time zone is Asia/Kolkata. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 139.5.255.51 malicious or safe?
139.5.255.51 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.
