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CIDR
/24 · 256 IPs
ASN
Cypresstel Global Network
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 81.172.66.132

CIDR range
81.172.66.0/24
IP range (int)
1,370,243,584 — 1,370,243,839
Prefix length
/24
Organization
Cypresstel Global Network
ASN
AS131274
ASN name
Cypresstel Global Network
Location
Mairena del Aljarafe, Andalusia, Spain
Coordinates
37.751000, -97.822000
Accuracy radius
500 km
Postal code
41927
Regional Internet Registry
RIPE
Allocated
2003-01-14
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite
Last updated
2026-08-08 05:32:54

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

Announced prefix
Origin AS
Announcement samples
376
Last seen
2026-09-10 20:12:41

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.

Date Event From To
2026-05-10 Country Change ES US

See the full history for 81.172.66.0/24.

Frequently Asked Questions

Who owns 81.172.66.132?

81.172.66.132 is allocated to Cypresstel Global Network (AS131274), registered in Mairena del Aljarafe, Spain.

Where is 81.172.66.132 located?

The geolocation for 81.172.66.132 maps to Mairena del Aljarafe, Spain 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 81.172.66.132 on?

81.172.66.132 belongs to the 81.172.66.0/24 network block announced by AS131274. This range contains 256 addresses.

Does 81.172.66.132 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: 2026-09-10 20:33:18 UTC
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