AS131159
AS-YAMAGATAU - Yamagata University
Announced Prefixes (BGP)
7total
6 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)123,392
IPv6 Addresses ⓘ
Allocated (RIR)1.2×10^24
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Allocated
—
Announced Prefixes
(BGP)7|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 | |
| Valid | — | 5/25/2026 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2001:df0:25e::/48 | 🇯🇵 JP | APNIC | assigned |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/131159Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/131159" | jq