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CIDR
/20 · 4.1K IPs
ASN
Ishikawa Computer Center Co.,LTD.
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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Domains hosted

as of 2026-10-11 UTC

0

issued.live saw no domain resolving to this IP in its latest weekly snapshot.

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Network Allocation for 219.121.225.135

CIDR range
219.121.224.0/20
IP range (int)
3,682,197,504 — 3,682,201,599
Prefix length
/20
Organization
Ishikawa Computer Center Co.,LTD.
ASN
AS18121
ASN name
Ishikawa Computer Center Co.,LTD.
Location
Ushitsu, Ishikawa, Japan
Coordinates
37.329700, 137.094300
Accuracy radius
50 km
Postal code
927-0431
Regional Internet Registry
APNIC
Allocated
2002-03-07
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-15 08:51:30

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

Announced prefix
Origin AS
Announcement samples
17,955
Last seen
2026-10-15 16:11:35

Frequently Asked Questions

Who owns 219.121.225.135?

219.121.225.135 is allocated to Ishikawa Computer Center Co.,LTD. (AS18121), registered in Ushitsu, Japan.

Where is 219.121.225.135 located?

The geolocation for 219.121.225.135 maps to Ushitsu, Japan 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 219.121.225.135 on?

219.121.225.135 belongs to the 219.121.224.0/20 network block announced by AS18121. This range contains 4,096 addresses.

Does 219.121.225.135 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: 2026-10-15 16:50:27 UTC
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