63.251.128.0/20
🇺🇸CIDR
63.251.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
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 |
|---|---|---|---|---|
| 63.251.128.0/20 | AS14742INTERNAP-BLOCK-4 - Unitas Global | No ROA | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 63.251.136.0/22 | AS27382COLOSPACE - FirstLight Fiber, Inc. | No ROA | — | 6/1/2026 |
| 63.251.142.0/24 | AS64249ENDOFFICE - Charles River Operation | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS14742 | RADB | MAINT-AS1828 | 11/13/2023 |
Origin ASN
AS14742
INTERNAP-BLOCK-4 - Unitas Global
Geolocation
API
Open https://api.ipctl.io/v1/prefix/63.251.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/63.251.128.0/20" | jq
External Links