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CIDR
/20 · 4.1K IPs
ASN
University of California, Santa Barbara
Reverse DNS
host128-219.lsdepts.ucsb.edu
Last scanned 12 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)
host128-219.lsdepts.ucsb.edu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-09-12 09:25 UTC

Forward DNS records for host128-219.lsdepts.ucsb.edu

TypeValuePriorityTTL
A 128.111.128.219 172800s
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 128.111.128.219

CIDR range
128.111.128.0/20
IP range (int)
2,154,790,912 — 2,154,795,007
Prefix length
/20
Organization
University of California, Santa Barbara
ASN
AS131
ASN name
University of California, Santa Barbara
Location
Oxnard, California, United States
Coordinates
34.214900, -119.176100
Accuracy radius
50 km
Postal code
93030
Regional Internet Registry
ARIN
Allocated
1986-02-18
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
17,868
Last seen
2026-09-12 21:48:06

Frequently Asked Questions

Who owns 128.111.128.219?

128.111.128.219 is allocated to University of California, Santa Barbara (AS131), registered in Oxnard, United States.

Where is 128.111.128.219 located?

The geolocation for 128.111.128.219 maps to Oxnard, 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 128.111.128.219 on?

128.111.128.219 belongs to the 128.111.128.0/20 network block announced by AS131. This range contains 4,096 addresses.

Does 128.111.128.219 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 19:15:49 UTC
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