Data as of Nov 5, 2026
35.12.240.0/21
No anonymizer space · no proxy exits in 30 daysMichigan State University · space held by Merit Network Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 35.8.0.0/13 since Apr 2022 | AS231 | Business | 143 2 always on | Merit Network Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 35. | 1,114,112 | MICH-1 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | Apr 1, 1994 | abuse@ |
| └ 35.12.0.0/16 | 65,536 | MICH-619 | Michigan State University (MISU) · US | Reassigned | Feb 22, 2000 | — |
Network & registry
IPv4 market
Holder
- Organization
- Merit Network Inc.
- Handle
- MICH-Z
- Range
- 35.
0. 0. 0 - 35. 16. 255. 255 - Registration type
- Direct Allocation
- Record created
- Apr 1, 1994
- Legacy
- yes
Origin network
AS231
US
- Name
- Michigan State University
- Type
- Education
- Registered
- Jun 28, 2021
- Domain
- msu.edu
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 35.8.0.0/13 | AS231 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 35.
12. 0. 0/ 16 - Netname
- MICH-619
- Registrant
- Michigan State University
- Organization
- Michigan State University (MISU)
- Org address
- IT Services, East Lansing, MI, 48824
- Org country
- US
- Type
- Reassigned
- Handle
- NET-35-12-0-0-1
- Parent
- NET-35-0-0-0-1
- Created
- Feb 22, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
msu. edu - Name
- Abuse Technical Support
- Phone
- +1-517-432-6200
- Handle
- ATS14-ARIN