217.100.166.126
217.100.166.126 is an IPv4 address announced by AS33915, with approximate network location Gorinchem, Netherlands. Its reverse DNS name is D964A67E.static.ziggozakelijk.nl. As of November 11, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CB Kulk |
| ASN | AS33915 |
| Network Name | BYBAZZ_BV |
| CIDR Block | 217.100.166.124/30 |
| RIR | RIPE |
| Network registration country | NL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | D964A67E.static.ziggozakelijk.nl |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | D964A67E.static.ziggozakelijk.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.
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 | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| 22 | ssh | tcp | — |
| Closed Ports | 25, 3389, 8080, 8443 (3 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | 2018-09-29T21:12:12+00:00 |
| Valid Until | 2043-09-30T21:12:12+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 9132 days |
🛡️ Public Network Snapshot
| Origin ASN | AS33915 |
| Network Prefix | 217.100.128.0/17 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 29% | 2 | 6 |
| routing | 8% | 1 | 1 |
| services | 17% | 2 | 3 |
| ownership | 17% | 2 | 3 |
| reputation | 16% | 1 | 3 |
| geolocation | 17% | 2 | 3 |
| Overall | 17% | 10 | 19 |
| Data Coherence | Mixed Signals (68%) — 2 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ TLS certificate claims US but primary geo says NL
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-07-15 04:06:08 UTC |
| Last Seen | 2026-10-29 08:13:40 UTC |
| Profile Built | 2026-11-11 04:54:48 UTC |
| Data Freshness | Aging |
| Signal Types | 24 |
| Total Observations | 36 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 217.100.166.126
Who owns the IP address 217.100.166.126?
217.100.166.126 is registered to CB Kulk. The address falls within the 217.100.166.124/30 network block. Registration is held at RIPE.
Where is 217.100.166.126 located?
Geolocation data places 217.100.166.126 in Gorinchem, South Holland, 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 217.100.166.126 malicious or safe?
217.100.166.126 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 217.100.166.126?
The reverse DNS (PTR) record for 217.100.166.126 is D964A67E.static.ziggozakelijk.nl. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 217.100.166.126?
Responsive ports observed on 217.100.166.126 include 80, 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.