156.251.240.0/21
🇺🇸CIDR
156.251.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Jose (Edenvale)
RIR
AFRINIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.251.240.0/21 | AS40065CNSERVERS - CNSERVERS LLC | Valid | AFRINICRADB | 6/15/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.251.0.0/16 | AS35916MULTA-ASN1 - MULTACOM CORPORATION | No ROA | — | 6/15/2026 |
| 156.251.128.0/17 | AS40065CNSERVERS - CNSERVERS LLC | Valid | — | 6/15/2026 |
| 156.251.192.0/18 | AS40065CNSERVERS - CNSERVERS LLC | Valid | — | 6/15/2026 |
| 156.251.244.0/24 | AS40065CNSERVERS - CNSERVERS LLC | Valid | — | 6/15/2026 |
| 156.251.247.0/24 | AS40065CNSERVERS - CNSERVERS LLC | Valid | — | 6/15/2026 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 156.251.245.0/24 | 🇺🇸US | assigned | |
| 156.251.241.0/24 | 🇺🇸US | assigned | |
| 156.251.242.0/24 | 🇺🇸US | assigned | |
| 156.251.243.0/24 | 🇺🇸US | assigned | |
| 156.251.244.0/24 | AS40065 | 🇺🇸US | assigned |
| 156.251.247.0/24 | AS40065 | 🇺🇸US | assigned |
| 156.251.246.0/24 | 🇺🇸US | assigned | |
| 156.251.240.0/24 | 🇺🇸US | assigned |
Origin ASN
AS40065
CNSERVERS - CNSERVERS LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/156.251.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.251.240.0/21" | jq
External Links