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CIDR
/20 · 4.1K IPs
ASN
University of California at Berkeley
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 128.32.32.200

CIDR range
128.32.32.0/20
IP range (int)
2,149,588,992 — 2,149,593,087
Prefix length
/20
Organization
University of California at Berkeley
ASN
AS25
ASN name
University of California at Berkeley
Location
Berkeley, California, United States
Coordinates
37.891900, -122.263600
Accuracy radius
5 km
Postal code
94708
Regional Internet Registry
ARIN
Allocated
1983-05-27
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-09 18:20:35

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

Announced prefix
Origin AS
Announcement samples
17,102
Last seen
2026-09-16 22:10:30

Frequently Asked Questions

Who owns 128.32.32.200?

128.32.32.200 is allocated to University of California at Berkeley (AS25), registered in Berkeley, United States.

Where is 128.32.32.200 located?

The geolocation for 128.32.32.200 maps to Berkeley, 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 128.32.32.200 on?

128.32.32.200 belongs to the 128.32.32.0/20 network block announced by AS25. This range contains 4,096 addresses.

Does 128.32.32.200 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: 2026-09-16 21:17:22 UTC
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