203.50.6.105
203.50.6.105 is an IPv4 address operated by Telstra Limited (AS1221), geolocated to Sydney, Australia. It belongs to a mobile network with reverse DNS name bundle-ether5.par-core30.sydney.telstra.net. As of October 15, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Telstra Limited |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET3-AU |
| CIDR Block | 203.48.0.0/14 |
| RIR | APNIC |
| Country | AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | bundle-ether5.par-core30.sydney.telstra.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | bundle-ether5.par-core30.sydney.telstra.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ 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 | |||
| 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 | AS1221 |
| Network Prefix | 203.48.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 13% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-28 20:04:18 UTC |
| Last Seen | 2026-10-15 06:21:42 UTC |
| Profile Built | 2026-10-15 06:27:07 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 31 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 203.50.6.105
Who owns the IP address 203.50.6.105?
203.50.6.105 is registered to Telstra Limited. The address falls within the 203.48.0.0/14 network block. Registration is held at APNIC.
Where is 203.50.6.105 located?
Geolocation data places 203.50.6.105 in Sydney, NSW, Australia. The local time zone is Australia/Sydney. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 203.50.6.105 malicious or safe?
203.50.6.105 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 203.50.6.105?
The reverse DNS (PTR) record for 203.50.6.105 is bundle-ether5.par-core30.sydney.telstra.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 203.50.6.105 a VPN, proxy, or data center address?
203.50.6.105 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.