122.252.128.0/20
🇺🇸CIDR
122.252.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Cambridge (East Cambridge)
RIR
APNIC
Status
allocated
Allocated
11/13/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.252.128.0/20 | AS20940AKAMAI-ASN1 Akamai International B.V. | Valid | APNIC | 6/13/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 122.252.128.0/21 | AS17639CONVERGE-AS - Converge ICT Solutions Inc. | Valid | — | 6/13/2026 |
| 122.252.136.0/21 | AS55836RELIANCEJIO-IN - Reliance Jio Infocomm Limited | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 122.252.128.0/20 | AS20940 | /20 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS20940 | APNIC | MAINT-AP-AKAMAI | 4/10/2024 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 122.252.136.0/21 | AS55836 | 🇯🇵JP | assigned |
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityCambridge (East Cambridge)
Coordinates42.3649, -71.0888 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/122.252.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/122.252.128.0/20" | jq
External Links