2.128.45.51 is an IPv4 address operated by TELENOR_DANMARK_AS - Telenor A/S, DK (AS9158), with approximate network location Silkeborg, Denmark. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | TELENOR DENMARK RIPE CONTACT |
| ASN | AS9158 |
| Network Name | DK-TELENOR-MBB |
| CIDR Block | 2.128.0.0/15 |
| RIR | RIPE |
| Network registration country | DK |
| Routing operator | TELENOR_DANMARK_AS - Telenor A/S, DK |
| Abuse Contact | Available via RDAP |
🌐 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
51.45.128.2.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
🔍 13 signal types · 13 observations collected
This report is generated from 13+ 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 2.128.45.51
Who owns the IP address 2.128.45.51?
2.128.45.51 is registered to TELENOR DENMARK RIPE CONTACT. The address falls within the 2.128.0.0/15 network block. Registration is held at RIPE.
Where is 2.128.45.51 located?
Geolocation data places 2.128.45.51 in Silkeborg, Central Jutland, Denmark. The local time zone is Europe/Copenhagen. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 2.128.45.51 malicious or safe?
2.128.45.51 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.
