66.103.144.0/21
🇺🇸CIDR
66.103.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Silver Spring
RIR
ARIN
Status
allocated
Allocated
7/19/2002
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
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 66.103.128.0/19 | AS16557COLOSOLUTIONS - Colo Solutions | No ROA | — | 6/1/2026 |
| 66.103.145.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | Valid | — | 6/1/2026 |
| 66.103.146.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | Valid | — | 6/1/2026 |
| 66.103.147.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | No ROA | — | 6/1/2026 |
| 66.103.148.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | Valid | — | 6/1/2026 |
| 66.103.150.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | Valid | — | 6/1/2026 |
| 66.103.151.0/24 | AS16557COLOSOLUTIONS - Colo Solutions | Valid | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS16557 | RADB | MAINT-AS27506 | 1/21/2026 |
Origin ASN
AS16557
COLOSOLUTIONS - Colo Solutions
Geolocation
API
Open https://api.ipctl.io/v1/prefix/66.103.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.103.144.0/21" | jq
External Links