103.3.4.0/22
🇯🇵CIDR
103.3.4.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
4/27/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.3.4.0/22 | AS9378CABLENET - JCOM Co., Ltd. | Valid | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.3.4.0/23 | AS9378CABLENET - JCOM Co., Ltd. | Valid | — | 5/30/2026 |
| 103.3.6.0/23 | AS9378CABLENET - JCOM Co., Ltd. | Valid | — | 5/30/2026 |
Origin ASN
AS9378
CABLENET - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.3.4.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.3.4.0/22" | jq
External Links