219.124.224.0/19 - JCOM (AS4721)
CIDR
219.124.224.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇯🇵 Japan
City
Yokohama (Kamomechō)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.124.224.0/19 | AS4721 JCN - JCOM Co., Ltd. | Valid | Other IRR | 2026-10-12 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.124.224.0/20 | AS4721 JCN - JCOM Co., Ltd. | Valid | - | 2026-10-12 |
| 219.124.240.0/20 | AS4721 JCN - JCOM Co., Ltd. | Valid | - | 2026-10-12 |
Origin ASN
AS4721
JCN - JCOM Co., Ltd.
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/219.124.224.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/219.124.224.0/19" | jq
External Links