218.223.0.0/21
🇯🇵CIDR
218.223.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.223.0.0/21 | AS17953ICO - BroadBand Security, Inc. | Valid | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.223.0.0/20 | AS17953ICO - BroadBand Security, Inc. | Valid | — | 5/31/2026 |
| 218.223.0.0/22 | AS17953ICO - BroadBand Security, Inc. | Valid | — | 5/31/2026 |
| 218.223.4.0/22 | AS17953ICO - BroadBand Security, Inc. | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.223.0.0/20 | AS17953 | /32 | apnic |
Origin ASN
AS17953
ICO - BroadBand Security, Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/218.223.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.223.0.0/21" | jq
External Links