// ASN
AS131923
MCAT MCAT Ltd., JP
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS131923
- Organization
- MCAT Ltd.
- Description
- MCAT MCAT Ltd., JP
- Registry (RIR)
- JPIRR
- Created
- 2023-04-11
- Updated
- 2026-03-01
- IPv4 Prefixes
- 10
- IPv6 Prefixes
- 1
IPv4 Prefixes
10 total103.95.104.0/22 120.50.192.0/20 133.247.136.0/21 133.247.240.0/20 133.88.87.0/24 133.88.88.0/22 133.88.92.0/23 133.88.94.0/24 218.45.64.0/19 219.100.156.0/22
IPv6 Prefixes
1 total2401:5ac0::/32
What is AS131923?
AS131923 is an Autonomous System Number (ASN) assigned to MCAT Ltd.. 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.