74.188.246.0/23 - Microsoft Corporation (AS8075)
CIDR
74.188.246.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
πΊπΈ United States
City
Quincy
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns β
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.188.246.0/23 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | ARINOther IRR | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 74.188.246.0/23 | AS8075 | /23 | arin |
Transfer History
Registry transfers of 74.188.246.0/23, blocks inside it, or blocks containing it.
- 74.188.244.0/22Transfer Β·
- 74.188.0.0/15M&A Β·
- 74.160.0.0/11M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 74.188.244.0/22 | AT&T Enterprises, LLC | Davis Wright Tremaine LLP | Transfer | |
| 74.188.0.0/15 | AT&T Corp. | AT&T Enterprises, LLC | M&A | |
| 74.160.0.0/11 | BellSouth.net Inc. | AT&T Corp. | M&A |
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/74.188.246.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.188.246.0/23" | jq
External Links