Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (36y) +6
- Not on any threat blocklist +5
- Trust score 86 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- ps-premiercatalog.us.dell.com
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 600 s
- Reverse DNS last checked
- 2026-07-23 14:51 UTC
- Forward DNS last checked
- 2026-07-23 14:51 UTC
Forward DNS records for ps-premiercatalog.us.dell.com
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 143.166.224.156 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- ausoladbrbwmu4.us.dell.com stable — Jun 19, 2026 → present
- ps-premiercatalog.us.dell.com stable — Jun 11, 2026 → Jun 19, 2026
Network Allocation for 143.166.224.156
- CIDR range
- 143.166.224.0/20
- IP range (int)
- 2,410,078,208 — 2,410,082,303
- Prefix length
- /20
- Organization
- Dell, Inc.
- ASN
- AS3614
- ASN name
- Dell, Inc.
- Location
- Round Rock, Texas, United States
- Coordinates
- 30.515400, -97.668900
- Accuracy radius
- 20 km
- Postal code
- 78664
- Regional Internet Registry
- ARIN
- Allocated
- 1990-09-26
- Data source(s)
- maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
- Last updated
- 2026-07-21 04:08:42
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 143.166.224.156?
143.166.224.156 is allocated to Dell, Inc. (AS3614), registered in Round Rock, United States.
Where is 143.166.224.156 located?
The geolocation for 143.166.224.156 maps to Round Rock, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 143.166.224.156 on?
143.166.224.156 belongs to the 143.166.224.0/20 network block announced by AS3614. This range contains 4,096 addresses.
Does 143.166.224.156 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
