199.255.176.0/21
🇺🇸CIDR
199.255.176.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Burr Ridge
RIR
ARIN
Status
allocated
Allocated
6/1/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.255.176.0/21 | AS11763IBX-CHICAGO - MitoTec | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.255.181.0/24 | AS11763IBX-CHICAGO - MitoTec | No ROA | — | 5/31/2026 |
Origin ASN
AS11763
IBX-CHICAGO - MitoTec
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.255.176.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.255.176.0/21" | jq
External Links