AS131923 MCAT MCAT Ltd.
Announced Prefixes (BGP)
11total
10 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)5,120
Announced (BGP)22,528
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)3Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.95.104.0/22 | 🇯🇵 JP | APNIC | allocated |
| 120.50.192.0/20 | 🇯🇵 JP | APNIC | allocated |
| 2401:5ac0::/32 | 🇯🇵 JP | APNIC | allocated |
All 11 announced prefixes of AS131923 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS131923 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2519ARTERIA Networks Corporation11
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS131923 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/131923Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/131923" | jq