18.3.7.231
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
- Academic allocation +6
- Long-established allocation (32y) +6
- Not on any threat blocklist +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 18.3.7.231
- CIDR range
- 18.3.0.0/16
- IP range (int)
- 302,186,496 — 302,252,031
- Prefix length
- /16
- Organization
- Massachusetts Institute of Technology
- ASN
- AS3
- ASN name
- Massachusetts Institute of Technology
- Location
- Cambridge, Massachusetts, United States
- Coordinates
- 42.364900, -71.098700
- Accuracy radius
- 20 km
- Postal code
- 02139
- Regional Internet Registry
- ARIN
- Allocated
- 1994-01-01
- Data source(s)
- maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
- Last updated
- 2026-07-08 12:20:16
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 18.3.7.231?
18.3.7.231 is allocated to Massachusetts Institute of Technology (AS3), registered in Cambridge, United States.
Where is 18.3.7.231 located?
The geolocation for 18.3.7.231 maps to Cambridge, 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 18.3.7.231 on?
18.3.7.231 belongs to the 18.3.0.0/16 network block announced by AS3. This range contains 65,536 addresses.
Does 18.3.7.231 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.
