AS63777 STARCLUSTER National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
Announced Prefixes (BGP)
1total
1 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)65,536
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)1|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 |
All 1 announced prefix of AS63777 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS63777 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2907SINET Research Organization Of Information And Systems, National Institute Of Informatics1
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 AS63777 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/63777Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/63777" | jq