104.153.88.0/21
🇺🇸IPv4RIPEassignedNo ROA
CIDR
104.153.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Antonio (Northwest Side)
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 104.153.92.0/23 | AS18776VALASSIS - Valassis Communications, Inc. | No ROA | — | 5/31/2026 |
| 104.153.94.0/23 | AS393565MAXPOINT-INTERACTIVE - Valassis Digital Corp. | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 104.153.88.0/22 | AS21945 | 🇺🇸US | allocated |
| 104.153.92.0/22 | AS393565 | 🇺🇸US | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/104.153.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/104.153.88.0/21" | jq
External Links