87.122.21.135
87.122.21.135 is an IPv4 address announced by AS8881, with approximate network location Duisburg, Germany. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | 1&1 Versatel GmbH |
| ASN | AS8881 |
| Network Name | DE-VERSATEL-20050727 |
| CIDR Block | 87.122.0.0/15 |
| RIR | RIPE |
| Network registration country | DE |
| 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.
| 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS8881 |
| Network Prefix | 87.122.16.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-07 21:19:22 UTC |
| Last Seen | 2026-11-09 21:29:31 UTC |
| Profile Built | 2026-11-11 09:03:29 UTC |
| Data Freshness | Recent |
| Signal Types | 14 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 87.122.21.135
Who owns the IP address 87.122.21.135?
87.122.21.135 is registered to 1&1 Versatel GmbH. The address falls within the 87.122.0.0/15 network block. Registration is held at RIPE.
Where is 87.122.21.135 located?
Geolocation data places 87.122.21.135 in Duisburg, 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 87.122.21.135 malicious or safe?
87.122.21.135 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.