122.252.128.0/21
🇺🇸CIDR
122.252.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Cambridge (East Cambridge)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.252.128.0/21 | AS17639CONVERGE-AS - Converge ICT Solutions Inc. | Valid | APNIC | 6/13/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.252.128.0/20 | AS20940AKAMAI-ASN1 Akamai International B.V. | Valid | — | 6/13/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityCambridge (East Cambridge)
Coordinates42.3649, -71.0888 ↗
API
Open https://api.ipctl.io/v1/prefix/122.252.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/122.252.128.0/21" | jq
External Links