Data as of Nov 13, 2026
35.21.239.0/24
No anonymizer space · no proxy exits in 30 daysMichigan State University · space held by Merit Network Inc.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 35. | 393,216 | MICH-1 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | Apr 1, 1994 | abuse@ |
| └ 35.20.0.0/14 | 262,144 | MICH-11024 | Michigan State University (MISU) · US | Reassigned | Mar 19, 2014 | — |
Network & registry
Announced by
Covering announcement 35.20.0.0/14
- Prefix
- 35.20.0.0/14
- Announced by
- AS231 Michigan State University
- Type
- Business
- Proxy exits
- 239
- RPKI
- RPKI valid
- Netname
- MICH-11024
- Registrant
- Michigan State University
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Merit Network Inc.
- Handle
- MICH-Z
- Range
- 35.
20. 0. 0 - 35. 25. 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
Who has announced 35.20.0.0/14
35.20.0.0/14
Routing history
- Pattern
- Stable
- First seen
- Oct 2018
- Current origin since
- Apr 2022 · 4.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 35.20.0.0/14 | AS231 | /24 | ARIN | RPKI valid |
IRR
Route objects on 35.20.0.0/14
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS231 | RADB | msu-mich-11024 | MAINT-AS231 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 35.
20. 0. 0/ 14 - Netname
- MICH-11024
- Registrant
- Michigan State University
- Organization
- Michigan State University (MISU)
- Org address
- IT Services, East Lansing, MI, 48824
- Org country
- US
- Type
- Reassigned
- Handle
- NET-35-20-0-0-1
- Parent
- NET-35-20-0-0-2
- Created
- Mar 19, 2014
- 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