142.228.40.0/22 - PhoenixNAP (AS11572)
CIDR
142.228.40.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Ashburn
RIR
RIPE NCC
Status
assigned
Allocated
1992-12-30
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 142.228.40.0/22 | AS11572 SS-ATL - PhoenixNAP LLC | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 142.228.40.0/22 | AS11572 | /22 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS11572 | RIPE | lir-pr-element-1-MNT | 2026-09-15 |
Transfer History
Registry transfers of 142.228.40.0/22, blocks inside it, or blocks containing it.
- 142.228.40.0/22inter-RIRTransfer ·
- 142.228.42.0/23inter-RIRTransfer ·
- 142.228.41.0/24inter-RIRTransfer ·
- 142.228.40.0/24inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 142.228.40.0/22inter-RIR | Element IP Management Services LLC | Transfer | ||
| 142.228.42.0/23inter-RIR | not published | Transfer | ||
| 142.228.41.0/24inter-RIR | not published | Transfer | ||
| 142.228.40.0/24inter-RIR | not published | Transfer |
Origin ASN
AS11572
SS-ATL - PhoenixNAP LLC
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
CityAshburn
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/142.228.40.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/142.228.40.0/22" | jq
External Links