AS23616 HNB Hitachi Systems, Ltd.
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)3,072
Announced (BGP)3,072
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 27.121.92.0/22 | 🇯🇵 JP | APNIC | allocated |
| 202.176.8.0/22 | 🇯🇵 JP | APNIC | assigned |
| 203.81.12.0/22 | 🇯🇵 JP | APNIC | assigned |
| 2406:fe00::/32 | 🇯🇵 JP | APNIC | allocated |
All 4 announced prefixes of AS23616 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS23616 hands its own prefixes to: transit providers, or peers at an exchange.
- AS2519VECTANT ARTERIA Networks Corporation4
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 AS23616 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/23616Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/23616" | jq