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Organization

J-PARC Center

IPv4 addresses
1,792
CIDR ranges
3
Category
unknown
BGP prefixes announced
3

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by J-PARC Center

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by J-PARC Center

ASNNameIPsPrefixesCountry
AS37889 J-PARC Center 1.8K 3 JP

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
192.153.108.0/22 1.0K
35.1%
AS37889 JP
192.153.106.0/23 512
11.3%
AS37889 JP
192.153.105.0/24 256
23.4%
AS37889 JP

Frequently Asked Questions

How many IP addresses does J-PARC Center own?

J-PARC Center controls 1.8K IPv4 addresses distributed across 3 CIDR ranges. The organization is registered in Japan.

What ASNs does J-PARC Center operate?

J-PARC Center operates 1 Autonomous System. Each ASN represents an independently routed network that J-PARC Center manages for internet traffic delivery.

What type of organization is J-PARC Center?

J-PARC Center is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-08-03 12:25:31 UTC
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