104.129.255.0/24
🇺🇸CIDR
104.129.255.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Dover
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 104.129.255.0/24 | AS399989ULTRAONE-01 - ULTRA ONE | Valid | ARINRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 104.129.240.0/20 | AS21769AS-COLOAM - Colocation America Corporation | No ROA | — | 5/31/2026 |
Origin ASN
AS399989
ULTRAONE-01 - ULTRA ONE
Geolocation
API
Open https://api.ipctl.io/v1/prefix/104.129.255.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/104.129.255.0/24" | jq
External Links