157.97.104.0/21
🇺🇸CIDR
157.97.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Ashburn
RIR
RIPENCC
Status
assigned
Allocated
7/13/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.97.104.0/21 | AS8560IONOS-AS IONOS SE | Valid | RIPE | 6/15/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.97.104.0/23 | AS8560IONOS-AS IONOS SE | Valid | — | 6/15/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 157.97.104.0/21 | AS8560 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8560 | RIPE | AS8560-MNT | 1/23/2023 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 157.97.104.0/23 | AS8560 | 🇺🇸US | assigned |
| 157.97.111.0/24 | 🇩🇪DE | assigned | |
| 157.97.109.0/24 | 🇩🇪DE | assigned | |
| 157.97.108.0/24 | 🇩🇪DE | assigned | |
| 157.97.106.0/24 | 🇩🇪DE | assigned | |
| 157.97.107.0/24 | 🇩🇪DE | assigned | |
| 157.97.110.0/24 | 🇩🇪DE | assigned |
Origin ASN
AS8560
IONOS-AS IONOS SE
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/157.97.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/157.97.104.0/21" | jq
External Links