2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b
2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b is an IPv6 address announced by AS8422, with approximate network location Cologne, Germany. Its reverse DNS name is 2a0a-a54c-6ca1-0-31cd-834d-9f37-a77b.ipv6dyn.netcologne.de. As of November 4, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Administrator Contact NetCologne |
| ASN | AS8422 |
| Network Name | NC-DIAL-IN-POOL-V6 |
| CIDR Block | — |
| RIR | ARIN |
| Network registration country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 2a0a-a54c-6ca1-0-31cd-834d-9f37-a77b.ipv6dyn.netcologne.de |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 2a0a-a54c-6ca1-0-31cd-834d-9f37-a77b.ipv6dyn.netcologne.de |
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 |
🔌 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 | AS8422 |
| Network Prefix | 2a0a:a540::/28 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 18% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-04 10:08:12 UTC |
| Last Seen | 2026-11-06 01:59:28 UTC |
| Profile Built | 2026-11-04 10:15:40 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 17 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b
Who owns the IP address 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b?
2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b is registered to Administrator Contact NetCologne. Registration is held at ARIN.
Where is 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b located?
Geolocation data places 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b in Cologne, North Rhine-Westphalia, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b malicious or safe?
2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b 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 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b?
The reverse DNS (PTR) record for 2a0a:a54c:6ca1:0:31cd:834d:9f37:a77b is 2a0a-a54c-6ca1-0-31cd-834d-9f37-a77b.ipv6dyn.netcologne.de. This hostname is forward-confirmed, meaning it resolves back to the same address.