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CIDR
/20 · 4.1K IPs
ASN
Jisc Services Limited
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.

70/100
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 192.171.144.251

CIDR range
192.171.144.0/20
IP range (int)
3,232,468,992 — 3,232,473,087
Prefix length
/20
Organization
Jisc Services Limited
ASN
AS786
ASN name
Jisc Services Limited
Location
Oban, Scotland, United Kingdom
Coordinates
56.467700, -5.371500
Accuracy radius
100 km
Postal code
PA37
Regional Internet Registry
ARIN
Data source(s)
maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
Last updated
2026-07-28 04:09:30

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

Announced prefix
Origin AS
Announcement samples
51,037
Last seen
2026-07-30 20:26:40

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 New Allocation GB

See the full history for 192.171.128.0/18.

Frequently Asked Questions

Who owns 192.171.144.251?

192.171.144.251 is allocated to Jisc Services Limited (AS786), registered in Oban, United Kingdom.

Where is 192.171.144.251 located?

The geolocation for 192.171.144.251 maps to Oban, United Kingdom 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 192.171.144.251 on?

192.171.144.251 belongs to the 192.171.144.0/20 network block announced by AS786. This range contains 4,096 addresses.

Does 192.171.144.251 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: 2026-07-30 20:46:49 UTC
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