40.126.128.0/17 - Microsoft Corporation (AS8075)
CIDR
40.126.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇦🇺 Australia
City
Canberra
RIR
ARIN
Status
allocated
Allocated
2015-02-23
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 40.126.128.0/17 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | Other IRR | 2026-10-11 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 40.126.192.0/23 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 40.126.128.0/17 | AS8075 | /17 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8075 | Other IRR | MAINT-AS8075 | 2023-11-13 |
Transfer History
Registry transfers of 40.126.128.0/17, blocks inside it, or blocks containing it.
- 40.64.0.0/10Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 40.64.0.0/10 | Transfer |
Related Prefixes
More prefixes of AS8075
All prefixes of AS8075 →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/40.126.128.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/40.126.128.0/17" | jq
External Links