161.47.57.143
161.47.57.143 is an IPv4 address operated by Rackspace Hosting (AS19994), geolocated to United States. It belongs to datacenter or hosting infrastructure with reverse DNS name core5-aggr1501a-17.ord1.rackspace.net. As of September 30, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | Rackspace Hosting |
| ASN | AS19994 |
| Network Name | RACKS-8 |
| CIDR Block | 161.47.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | core5-aggr1501a-17.ord1.rackspace.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | core5-aggr1501a-17.ord1.rackspace.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | AS19994 |
| Network Prefix | 161.47.0.0/18 |
| 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 | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-30 11:46:53 UTC |
| Last Seen | 2026-10-07 08:40:41 UTC |
| Profile Built | 2026-09-30 12:04:21 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 161.47.57.143
Who owns the IP address 161.47.57.143?
161.47.57.143 is registered to Rackspace Hosting. The address falls within the 161.47.0.0/16 network block. Registration is held at ARIN.
Where is 161.47.57.143 located?
Geolocation data places 161.47.57.143 in United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 161.47.57.143 malicious or safe?
161.47.57.143 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 161.47.57.143?
The reverse DNS (PTR) record for 161.47.57.143 is core5-aggr1501a-17.ord1.rackspace.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 161.47.57.143 a VPN, proxy, or data center address?
161.47.57.143 is classified as hosting infrastructure based on network ownership and behavioural analysis.