Data as of Nov 9, 2026
129.101.220.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by University of Idaho
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Sep 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 129.101.128.0/17 since Sep 2022 | AS11808 | Business | 60 2 always on | University of Idaho |
Network & registry
Origin network
AS8075
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Website
- www.microsoft.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 129.101.220.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 129.101.128.0/17 | AS11808 | /17 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 129.
101. 128. 0/ 17 - Netname
- UIDAHO
- Registrant
- University of Idaho
- Organization
- University of Idaho (UNIVER-258-Z)
- Org address
- Office of Information Technology, Moscow, ID, 83844
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-101-128-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Jun 13, 1988
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 13, 1988
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN