101.168.13.203
🏢 Ownership & Registration
| Organization | Telstra Internet Address Registry |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET50-AU |
| CIDR Block | 101.160.0.0/11 |
| RIR | APNIC |
| Country | AU |
| Abuse Contact | Available via RDAP |
🌐 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 | |||
| 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 | 101.160.0.0/11 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 34% | 2 | 6 |
| reputation | 20% | 1 | 3 |
| geolocation | 25% | 2 | 4 |
| Overall | 20% | 10 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-18 11:33:20 UTC |
| Last Seen | 2026-09-04 15:08:28 UTC |
| Profile Built | 2026-09-04 15:18:28 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 29 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 101.168.13.203
Who owns the IP address 101.168.13.203?
101.168.13.203 is registered to Telstra Internet Address Registry. The address falls within the 101.160.0.0/11 network block. Registration is held at APNIC.
Where is 101.168.13.203 located?
Geolocation data places 101.168.13.203 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 101.168.13.203 malicious or safe?
101.168.13.203 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 101.168.13.203 a VPN, proxy, or data center address?
101.168.13.203 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.