AS131921 GMOCL GMO GlobalSign Holdings K.K.
Announced Prefixes (BGP)
68total
55 IPv413 IPv6
IPv4 Addresses
Allocated (RIR)79,872
Announced (BGP)180,224
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)2.4×10²⁷
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
50
Allocated
-
Announced Prefixes
(BGP)68|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
| Valid | - | - | |
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| Valid | - | - |
1-10 of 68
1 / 7
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 153.122.0.0/16 | 🇯🇵 JP | APNIC | allocated |
| 153.123.0.0/20 | 🇯🇵 JP | APNIC | allocated |
| 153.124.128.0/20 | 🇯🇵 JP | APNIC | allocated |
| 180.131.136.0/21 | 🇯🇵 JP | APNIC | allocated |
| 180.222.176.0/20 | 🇯🇵 JP | APNIC | allocated |
All 68 announced prefixes of AS131921 →
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 AS131921 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/131921Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/131921" | jq