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CIDR
/20 · 4.1K IPs
ASN
The College of William and Mary
Reverse DNS
No PTR record
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.

76/100
Moderate
How this score is built

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

Network Allocation for 128.239.115.89

CIDR range
128.239.112.0/20
IP range (int)
2,163,175,424 — 2,163,179,519
Prefix length
/20
Organization
The College of William and Mary
ASN
AS11975
ASN name
The College of William and Mary
Location
Williamsburg, Virginia, United States
Coordinates
37.273100, -76.727900
Accuracy radius
20 km
Postal code
23185
Regional Internet Registry
ARIN
Allocated
1987-05-06
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-09-12 05:53:32

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

Announced prefix
Origin AS
Announcement samples
2,806
Last seen
2026-08-02 21:37:32

Frequently Asked Questions

Who owns 128.239.115.89?

128.239.115.89 is allocated to The College of William and Mary (AS11975), registered in Williamsburg, United States.

Where is 128.239.115.89 located?

The geolocation for 128.239.115.89 maps to Williamsburg, 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 128.239.115.89 on?

128.239.115.89 belongs to the 128.239.112.0/20 network block announced by AS11975. This range contains 4,096 addresses.

Does 128.239.115.89 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: 2026-09-12 13:58:21 UTC
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