2603:40ff:6408::/48
🇺🇸CIDR
2603:40ff:6408::/48
IP Version
IPv6
Addresses
1.2Y
Mask
/48
Country
🇺🇸 United States
City
Cambridge (Area 2/MIT)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2603:40ff:6408::/48 | AS10578GIGAPOP-NE - Harvard University | No ROA | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2603:40ff:6000::/36 | AS10578GIGAPOP-NE - Harvard University | No ROA | — | 5/31/2026 |
Origin ASN
AS10578
GIGAPOP-NE - Harvard University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2603:40ff:6408::/48Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2603:40ff:6408::/48" | jq
External Links