216.162.40.0/22 - Athenahealth (AS40515)
CIDR
216.162.40.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Watertown
RIR
ARIN
Status
allocated
Allocated
2026-04-10
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.162.40.0/22 | AS40515 AS-CMH1-1 - Athenahealth | No ROA | ARIN | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS40515 | ARIN | MNT-ATHEN-1 | 2026-06-23 |
Transfer History
Registry transfers of 216.162.40.0/22, blocks inside it, or blocks containing it.
- 216.162.40.0/22Transfer ·
- 216.162.40.0/21M&A ·
- 216.162.40.0/21Transfer ·
Origin ASN
AS40515
AS-CMH1-1 - Athenahealth
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/216.162.40.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.162.40.0/22" | jq
External Links