1.140.66.209 is an IPv4 address operated by ASN-TELSTRA - Telstra Limited, AU (AS1221), with approximate network location Melbourne, Australia. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Telstra Limited |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET49-AU |
| CIDR Block | 1.128.0.0/11 |
| RIR | APNIC |
| Network registration country | AU |
| Routing operator | ASN-TELSTRA - Telstra Limited, 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 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.
| caa | Not applicable |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 209.66.140.1.in-addr.arpa |
| fcrDns | Not applicable |
☁️ 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 | 1.128.0.0/11 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-06 14:17:59 UTC |
| Last Seen | 2026-11-14 05:47:37 UTC |
| Profile Built | 2026-11-14 08:26:26 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 1.140.66.209
Who owns the IP address 1.140.66.209?
1.140.66.209 is registered to Telstra Limited. The address falls within the 1.128.0.0/11 network block. Registration is held at APNIC.
Where is 1.140.66.209 located?
Geolocation data places 1.140.66.209 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 1.140.66.209 malicious or safe?
1.140.66.209 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.
Is 1.140.66.209 a VPN, proxy, or data center address?
1.140.66.209 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.