15.0.104.0/21
🇺🇸CIDR
15.0.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Atlanta
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 15.0.104.0/21 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 15.0.64.0/18 | AS8035WORLDNET5-10 - AT&T WorldNet | No ROA | — | 5/31/2026 |
| 15.0.64.0/18 | AS13979ATT-IPFR - AT&T Enterprises, LLC | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/15.0.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/15.0.104.0/21" | jq
External Links