57.145.16.0/23 - Facebook (AS32934)
CIDR
57.145.16.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇪 Ireland
City
Dublin (Ballsbridge)
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 57.145.16.0/23 | AS32934 FACEBOOK - Facebook, Inc. | No ROA | - | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 57.144.0.0/14 | AS32934 FACEBOOK - Facebook, Inc. | No ROA | - | 2026-10-12 |
Origin ASN
AS32934
FACEBOOK - Facebook, Inc.
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/57.145.16.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/57.145.16.0/23" | jq
External Links