122.248.128.0/21
🇸🇬IPv4APNICassignedNo ROA
CIDR
122.248.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇸🇬 Singapore
City
Singapore
RIR
APNIC
Status
assigned
Allocated
-
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
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.248.128.0/18 | AS2687ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
| 122.248.133.0/24 | AS2687ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/1/2026 |
More Specific Prefixes
Geolocation
API
Open https://api.ipctl.io/v1/prefix/122.248.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/122.248.128.0/21" | jq
External Links