146.189.64.166
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
- Long-established allocation (35y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 146.189.64.166
- CIDR range
- 146.189.64.0/20
- IP range (int)
- 2,461,876,224 — 2,461,880,319
- Prefix length
- /20
- Organization
- University of Massachusetts Medical School
- ASN
- AS5724
- ASN name
- University of Massachusetts Medical School
- Location
- Worcester, Massachusetts, United States
- Coordinates
- 42.247400, -71.806900
- Accuracy radius
- 20 km
- Postal code
- 01610
- Regional Internet Registry
- ARIN
- Allocated
- 1991-02-26
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-07-11 09:23:26
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 146.189.64.166?
146.189.64.166 is allocated to University of Massachusetts Medical School (AS5724), registered in Worcester, United States.
Where is 146.189.64.166 located?
The geolocation for 146.189.64.166 maps to Worcester, 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 146.189.64.166 on?
146.189.64.166 belongs to the 146.189.64.0/20 network block announced by AS5724. This range contains 4,096 addresses.
Does 146.189.64.166 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.
