199.21.128.0/22
🇺🇸CIDR
199.21.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Washington
RIR
ARIN
Status
allocated
Allocated
8/6/2010
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
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.21.128.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 5/31/2026 |
| 199.21.130.0/24 | AS13928ITRIG-ASN1 - IT Right, Inc | Valid | — | 5/31/2026 |
| 199.21.131.0/24 | AS13928ITRIG-ASN1 - IT Right, Inc | Valid | — | 5/31/2026 |
| 199.21.129.0/24 | AS54730BSA-ASN1 - BS&A Software, LLC | Valid | — | 5/31/2026 |
Origin ASN
AS13928
ITRIG-ASN1 - IT Right, Inc
Geolocation
API
Open https://api.ipctl.io/v1/prefix/199.21.128.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.21.128.0/22" | jq
External Links