The IP API The IP API
// ASN

AS131972

JST-SENDAI J-Stream Inc., JP

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS131972
Organization
J-Stream Inc. Sendai
Description
JST-SENDAI J-Stream Inc., JP
Registry (RIR)
JPIRR
Created
2021-03-27
Updated
2026-01-13
IPv4 Prefixes
0
IPv6 Prefixes
0

What is AS131972?

AS131972 is an Autonomous System Number (ASN) assigned to J-Stream Inc. Sendai. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.