37.19.40.0/21
🇷🇺CIDR
37.19.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇷🇺 Russia
City
Bryansk
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.19.40.0/21 | AS12389ROSTELECOM-AS PJSC Rostelecom | Valid | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.19.32.0/20 | AS34267DEBRYANSK-AS-1 PJSC Rostelecom | Valid | — | 5/31/2026 |
Origin ASN
AS12389
ROSTELECOM-AS PJSC Rostelecom
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.19.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.19.40.0/21" | jq
External Links