172.238.0.0/19
🇯🇵CIDR
172.238.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.238.0.0/19 | AS63949AKAMAI-LINODE-AP - Akamai Connected Cloud | Valid | ARIN | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.224.0.0/12 | AS20940AKAMAI-ASN1 Akamai International B.V. | Valid | — | 5/31/2026 |
| 172.232.0.0/13 | AS20940AKAMAI-ASN1 Akamai International B.V. | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/172.238.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.238.0.0/19" | jq
External Links