37.19.64.0/21
🇺🇸CIDR
37.19.64.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Dallas
RIR
RIPENCC
Status
allocated
Allocated
12/22/2011
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 |
|---|---|---|---|---|
| 37.19.68.0/22 | AS7029WINDSTREAM - Windstream Communications LLC | Valid | — | 5/30/2026 |
| 37.19.64.0/22 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 5/30/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.19.64.0/22 | AS22773 | 🇪🇺EU | assigned |
| 37.19.68.0/22 | AS7029 | 🇪🇺EU | assigned |
| 37.19.64.0/23 | 🇺🇸US | assigned | |
| 37.19.68.0/23 | 🇪🇺EU | assigned | |
| 37.19.70.0/23 | 🇪🇺EU | assigned | |
| 37.19.66.0/23 | 🇺🇸US | assigned |
Origin ASN
AS58056
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.19.64.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.19.64.0/21" | jq
External Links