144.212.128.0/21
🇺🇸CIDR
144.212.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Boston
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 144.212.128.0/21 | AS11939MATHWORKS - THE MATHWORKS, INC. | No ROA | RADB | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 144.212.0.0/16 | AS11939MATHWORKS - THE MATHWORKS, INC. | No ROA | — | 6/1/2026 |
| 144.212.128.0/24 | AS11939MATHWORKS - THE MATHWORKS, INC. | No ROA | — | 6/1/2026 |
| 144.212.134.0/24 | AS11939MATHWORKS - THE MATHWORKS, INC. | No ROA | — | 6/1/2026 |
| 144.212.135.0/24 | AS11939MATHWORKS - THE MATHWORKS, INC. | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS11939 | RADB | MAINT-AS11939 | 11/13/2023 |
Origin ASN
AS11939
MATHWORKS - THE MATHWORKS, INC.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/144.212.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/144.212.128.0/21" | jq
External Links