45.42.21.0/24 - CALIFORNIA ISO (AS13968)
CIDR
45.42.21.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Folsom
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 45.42.21.0/24 | AS13968 CAISO-NET-BLK - CALIFORNIA ISO | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 45.42.21.0/24, blocks inside it, or blocks containing it.
- 45.42.16.0/21Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 45.42.16.0/21 | Transfer |
Origin ASN
AS13968
CAISO-NET-BLK - CALIFORNIA ISO
Related Prefixes
More prefixes of AS13968
All prefixes of AS13968 →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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/45.42.21.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/45.42.21.0/24" | jq
External Links