72.57.0.0/19
🇺🇸CIDR
72.57.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Wilmington
RIR
ARIN
Status
allocated
Allocated
7/30/2025
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 72.57.31.0/24 | AS14618AMAZON-AES - Amazon.com, Inc. | Valid | — | 5/30/2026 |
| 72.57.28.0/24 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 5/30/2026 |
| 72.57.29.0/24 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 5/30/2026 |
| 72.57.30.0/24 | AS16509AMAZON-02 - Amazon.com, Inc. | Valid | — | 5/30/2026 |
| 72.57.0.0/24 | AS394056BIFIV - BIF IV | Valid | — | 5/30/2026 |
| 72.57.1.0/24 | AS394056BIFIV - BIF IV | Valid | — | 5/30/2026 |
Origin ASN
AS394056
BIFIV - BIF IV
Geolocation
API
Open https://api.ipctl.io/v1/prefix/72.57.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/72.57.0.0/19" | jq
External Links