203.50.61.145
203.50.61.145 is an IPv4 address announced by AS1221, with approximate network location Melbourne, Australia. It belongs to a mobile network with reverse DNS name ae10.win-ice301.melbourne.telstra.net. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Telstra Limited |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET3-AU |
| CIDR Block | 203.48.0.0/14 |
| RIR | APNIC |
| Network registration country | AU |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ae10.win-ice301.melbourne.telstra.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ae10.win-ice301.melbourne.telstra.net |
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 | 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 |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 17% | 2 | 3 |
| Overall | 15% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-09-28 19:16:25 UTC |
| Last Seen | 2026-11-09 02:29:06 UTC |
| Profile Built | 2026-11-12 10:18:11 UTC |
| Data Freshness | Recent |
| Signal Types | 25 |
| Total Observations | 33 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 203.50.61.145
Who owns the IP address 203.50.61.145?
203.50.61.145 is registered to Telstra Limited. The address falls within the 203.48.0.0/14 network block. Registration is held at APNIC.
Where is 203.50.61.145 located?
Geolocation data places 203.50.61.145 in Melbourne, VIC, Australia. The local time zone is Australia/Melbourne. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 203.50.61.145 malicious or safe?
203.50.61.145 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 203.50.61.145?
The reverse DNS (PTR) record for 203.50.61.145 is ae10.win-ice301.melbourne.telstra.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 203.50.61.145 a VPN, proxy, or data center address?
203.50.61.145 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.