2001:57a:b800::/37
🇺🇸CIDR
2001:57a:b800::/37
IP Version
IPv6
Addresses
2475.8Y
Mask
/37
Country
🇺🇸 United States
City
Atlanta (Perimeter Center)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:57a:b800::/37 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:578::/30 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 5/30/2026 |
| 2001:57a:ba02::/48 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2001:57a:b800::/37Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2001:57a:b800::/37" | jq
External Links