173.245.209.137
On 2026-10-05, IP 173.245.209.137 was observed within the 173.245.209.0/24 block, registered to AS140952 (NETPR-SYD-GD) located in Sydney, NSW, Australia. The address holds a Low Risk reputation score of 25 and is not flagged as a known attacker or spam source. Network analysis indicates the endpoint is firewalled with no active services or open ports. Control plane data shows a presence on one of eight monitored DNSBLs, though the overall blacklist count is zero. DNS hygiene scores remain poor at 20 due to the absence of SPF and DMARC records. No active threat indicators or known campaigns were identified. The system recommends monitoring with low severity.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | NETPR-SYD-GD |
| ASN | AS140952 |
| Network Name | NETPR-SYD-DP |
| CIDR Block | 173.245.209.0/24 |
| RIR | ARIN |
| Country | Australia |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 173-245-209-137.syd.as140952.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 173-245-209-137.syd.as140952.net |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS140952 |
| Network Prefix | 173.245.209.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 1 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-05 22:48:51 UTC |
| Last Seen | 2026-10-05 22:48:51 UTC |
| Profile Built | 2026-10-05 23:02:20 UTC |
| Data Freshness | Live |
| Signal Types | 13 |
| Total Observations | 13 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 173.245.209.137
Who owns the IP address 173.245.209.137?
173.245.209.137 is registered to NETPR-SYD-GD. The address falls within the 173.245.209.0/24 network block. Registration is held at ARIN.
Where is 173.245.209.137 located?
Geolocation data places 173.245.209.137 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 173.245.209.137 malicious or safe?
173.245.209.137 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 173.245.209.137?
The reverse DNS (PTR) record for 173.245.209.137 is 173-245-209-137.syd.as140952.net. This hostname is forward-confirmed, meaning it resolves back to the same address.