63.251.0.0/20
🇺🇸CIDR
63.251.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Chicago (West Loop)
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 63.251.0.0/20 | AS14744INTERNAP-BLOCK-4 - Unitas Global | No ROA | RADB | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 63.251.14.0/23 | AS32475SINGLEHOP-LLC - Internap Holding LLC | No ROA | — | 5/31/2026 |
| 63.251.4.0/23 | AS63410PRIVATESYSTEMS - PrivateSystems Networks | No ROA | — | 5/31/2026 |
| 63.251.9.0/24 | AS1828UNITAS - Unitas Global | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 63.251.0.0/21 | 🇺🇸US | allocated | |
| 63.251.8.0/22 | 🇺🇸US | allocated | |
| 63.251.14.0/23 | AS32475 | 🇺🇸US | allocated |
| 63.251.12.0/23 | 🇺🇸US | allocated |
Origin ASN
AS14744
INTERNAP-BLOCK-4 - Unitas Global
Geolocation
API
Open https://api.ipctl.io/v1/prefix/63.251.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/63.251.0.0/20" | jq
External Links