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CIDR
/20 · 4.1K IPs
ASN
Harvard University
Reverse DNS
bs1-14-32.fas.harvard.edu
Last scanned 11 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
bs1-14-32.fas.harvard.edu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
300 s
Reverse DNS last checked
2026-09-13 11:43 UTC

Forward DNS records for bs1-14-32.fas.harvard.edu

TypeValuePriorityTTL
A 140.247.32.216 300s
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 140.247.32.216

CIDR range
140.247.32.0/20
IP range (int)
2,365,005,824 — 2,365,009,919
Prefix length
/20
Organization
Harvard University
ASN
AS1742
ASN name
Harvard University
Location
Quincy, Massachusetts, United States
Coordinates
42.246300, -70.997200
Accuracy radius
10 km
Postal code
02169
Regional Internet Registry
ARIN
Allocated
1992-09-18
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-08-04 04:08:03

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
7,123
Last seen
2026-09-13 22:54:05

Frequently Asked Questions

Who owns 140.247.32.216?

140.247.32.216 is allocated to Harvard University (AS1742), registered in Quincy, United States.

Where is 140.247.32.216 located?

The geolocation for 140.247.32.216 maps to Quincy, 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 140.247.32.216 on?

140.247.32.216 belongs to the 140.247.32.0/20 network block announced by AS1742. This range contains 4,096 addresses.

Does 140.247.32.216 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.

Related

Last updated: 2026-09-13 18:04:29 UTC
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