Data as of Nov 8, 2026
129.176.140.0/22
No anonymizer space · no proxy exits in 30 daysMayo Foundation for Medical Education and Research
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 129.176.136.0/21 since Oct 2025 | AS7973 | Business | 3 | Mayo Foundation for Medical Education and Research | |
| 129.176.128.0/19 since Feb 2023 | AS7973 | Business | 3 | Mayo Foundation for Medical Education and Research | |
| 129.176.0.0/16 since May 2005 | AS7973 | Business | 5 | Mayo Foundation for Medical Education and Research |
Network & registry
Origin network
AS7973
US
- Name
- Mayo Foundation for Medical Education and Research
- Type
- Education
- Registered
- Mar 10, 1997
- Domain
- mayoclinic.com
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 129.
176. 0. 0/ 16 - Netname
- MAYO
- Registrant
- Mayo Foundation for Medical Education and Research
- Organization
- Mayo Foundation for Medical Education and Research (MAYOFO-Z)
- Org address
- 200 First Street Southwest, Rochester, MN, 55905
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-176-0-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Mar 3, 1988
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 3, 1988
- Status
- assigned
Report abuse
Abuse contact
- csoc@
mayo. edu - Name
- TARC
- Phone
- +1-507-284-1212
- Handle
- TARC-ARIN