83.81.91.220
83.81.91.220 is an IPv4 address operated by TNF-AS - Vodafone Libertel B.V., NL (AS33915), with approximate network location Tilburg, Netherlands. Its reverse DNS name is 83-81-91-220.cable.dynamic.v4.ziggo.nl. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Vodafone Libertel B.V. |
| ASN | AS33915 |
| Network Name | NL-TNF-20031128 |
| CIDR Block | 83.80.0.0/13 |
| RIR | RIPE |
| Network registration country | NL |
| Registrant address country | NETHERLANDS |
| Routing operator | TNF-AS - Vodafone Libertel B.V., NL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 83-81-91-220.cable.dynamic.v4.ziggo.nl |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 83-81-91-220.cable.dynamic.v4.ziggo.nl |
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.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Unknown / lookup inconclusive dynamic.v4.ziggo.nl |
| spf | Not found at queried name 83-81-91-220.cable.dynamic.v4.ziggo.nl |
| dmarc | Not found at queried name _dmarc.83-81-91-220.cable.dynamic.v4.ziggo.nl |
| dnssec | Unknown / lookup inconclusive 220.91.81.83.in-addr.arpa |
| fcrDns | Present / verified 83-81-91-220.cable.dynamic.v4.ziggo.nl |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS33915 |
| Network Prefix | 83.80.0.0/14 |
| 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-03 16:58:41 UTC |
| Last Seen | 2026-11-14 04:39:54 UTC |
| Profile Built | 2026-11-14 04:56:15 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 35 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 83.81.91.220
Who owns the IP address 83.81.91.220?
83.81.91.220 is registered to Vodafone Libertel B.V.. The address falls within the 83.80.0.0/13 network block. Registration is held at RIPE.
Where is 83.81.91.220 located?
Geolocation data places 83.81.91.220 in Tilburg, North Brabant, Netherlands. The local time zone is Europe/Amsterdam. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 83.81.91.220 malicious or safe?
83.81.91.220 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 83.81.91.220?
The reverse DNS (PTR) record for 83.81.91.220 is 83-81-91-220.cable.dynamic.v4.ziggo.nl. This hostname is forward-confirmed, meaning it resolves back to the same address.