🏢 Ownership & Registration
| Organization | TelstraClear Technical Contact |
| ASN | AS4768 |
| Network Name | TCL-WGTNDSL-NZ |
| CIDR Block | 121.73.160.0/19 |
| RIR | APNIC |
| Country | NZ |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS4768 |
| Network Prefix | 121.72.0.0/15 |
| 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 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-05 05:34:43 UTC |
| Last Seen | 2026-08-27 07:25:51 UTC |
| Profile Built | 2026-08-29 05:18:38 UTC |
| Data Freshness | Live |
| Signal Types | 12 |
| Total Observations | 13 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 121.73.163.57
Who owns the IP address 121.73.163.57?
121.73.163.57 is registered to TelstraClear Technical Contact. The address falls within the 121.73.160.0/19 network block. Registration is held at APNIC.
Where is 121.73.163.57 located?
Geolocation data places 121.73.163.57 in Te Kuiti, Waikato Region, New Zealand. The local time zone is Pacific/Auckland. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 121.73.163.57 malicious or safe?
121.73.163.57 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
Is 121.73.163.57 a VPN, proxy, or data center address?
121.73.163.57 is classified as a residential network based on network ownership and behavioural analysis.