123.209.98.142 is an IPv4 address operated by ASN-TELSTRA - Telstra Limited, AU (AS1221), with approximate network location Sydney, Australia. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Telstra Limited |
| ASN | AS1221 |
| Network Name | TELSTRAINTERNET46-AU |
| CIDR Block | 123.208.0.0/14 |
| 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 142.98.209.123.in-addr.arpa |
| fcrDns | Not applicable |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 123.209.0.0/16 |
| Route mapping | Found |
| RPKI Status | Valid |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 3 |
| routing | 46% | 3 | 4 |
| services | 8% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 8% | 1 | 1 |
| Overall | 23% | 8 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-02 04:45:02 UTC |
| Last Seen | 2026-10-16 04:13:04 UTC |
| Profile Built | 2026-11-14 10:43:26 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 123.209.98.142
Who owns the IP address 123.209.98.142?
123.209.98.142 is registered to Telstra Limited. The address falls within the 123.208.0.0/14 network block. Registration is held at APNIC.
Where is 123.209.98.142 located?
Geolocation data places 123.209.98.142 in Sydney, New South Wales, Australia. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 123.209.98.142 malicious or safe?
123.209.98.142 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 123.209.98.142 a VPN, proxy, or data center address?
123.209.98.142 is classified as a mobile network based on network ownership and behavioural analysis.