AS9999 ATTOKYO AT TOKYO Corporation
Announced Prefixes (BGP)
11total
10 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)10,752
Announced (BGP)20,224
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 | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 110.44.20.0/22 | 🇯🇵 JP | APNIC | allocated |
| 119.59.64.0/21 | 🇯🇵 JP | APNIC | allocated |
| 165.100.192.0/20 | 🇯🇵 JP | APNIC | allocated |
| 203.80.6.0/23 | 🇯🇵 JP | APNIC | assigned |
| 203.89.128.0/22 | 🇯🇵 JP | APNIC | allocated |
| 203.223.24.0/21 | 🇯🇵 JP | APNIC | allocated |
| 2405:1800::/32 | 🇯🇵 JP | APNIC | allocated |
All 11 announced prefixes of AS9999 →
BGP Neighbours
(seen in AS paths)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 AS9999 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/9999Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/9999" | jq