91.245.47.139 is an IPv4 address announced by AS197394, with approximate network location Kazan', Russia. Its reverse DNS name is host-139-47.pool.t21v.ru. As of October 31, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Muharljamov Ruslan Rafikovich |
| ASN | AS197394 |
| Network Name | TELE21-NET |
| CIDR Block | 91.245.32.0/19 |
| RIR | RIPE |
| Network registration country | RU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | host-139-47.pool.t21v.ru |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | host-139-47.pool.t21v.ru |
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
🔍 14 signal types · 14 observations collected
This report is generated from 14+ 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 91.245.47.139
Who owns the IP address 91.245.47.139?
91.245.47.139 is registered to Muharljamov Ruslan Rafikovich. The address falls within the 91.245.32.0/19 network block. Registration is held at RIPE.
Where is 91.245.47.139 located?
Geolocation data places 91.245.47.139 in Kazan', Tatarstan Republic, Russia. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 91.245.47.139 malicious or safe?
91.245.47.139 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 91.245.47.139?
The reverse DNS (PTR) record for 91.245.47.139 is host-139-47.pool.t21v.ru. This hostname is not forward-confirmed, so it should be treated as a weak signal.
