208.81.88.0/21
🇺🇸CIDR
208.81.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Great Barrington
RIR
ARIN
Status
allocated
Allocated
8/9/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.81.88.0/21 | AS19345SIMONS-ROCK-EDU-ASN01 - Bard College at Simon's Rock | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/208.81.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.81.88.0/21" | jq
External Links