AS18136 CTA JCOM Co., Ltd.
Announced Prefixes (BGP)
18total
18 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)30,720
Announced (BGP)86,016
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)18|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 |
1-10 of 18
1 / 2
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 27.126.64.0/18 | 🇯🇵 JP | APNIC | allocated |
| 27.126.128.0/20 | 🇯🇵 JP | APNIC | allocated |
| 117.53.0.0/19 | 🇯🇵 JP | APNIC | allocated |
| 117.53.32.0/21 | 🇯🇵 JP | APNIC | allocated |
All 18 announced prefixes of AS18136 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18136 hands its own prefixes to: transit providers, or peers at an exchange.
- AS9824JCOM18
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 AS18136 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/18136Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18136" | jq