Data as of Nov 12, 2026
35.33.6.0/24
No anonymizer space · no proxy exits in 30 daysMerit Network Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 35.33.0.0/18 since Oct 2023 | AS237 | Business | 1 | 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. | 98,304 | MICH-1 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | Apr 1, 1994 | abuse@ |
| └ 35.33.0.0/18 | 16,384 | MICH-9509 | Central Michigan University (CMU) · US | Reassigned | Sep 21, 2012 | — |
Network & registry
IPv4 market
Holder
- Organization
- Merit Network Inc.
- Handle
- MICH-Z
- Range
- 35.
32. 0. 0 - 35. 33. 127. 255 - Registration type
- Direct Allocation
- Record created
- Apr 1, 1994
- Legacy
- yes
Origin network
AS237
US
- Name
- Merit Network Inc.
- Type
- Education
- Registered
- Sep 12, 1988
- Domain
- merit.edu
- Website
- www.merit.edu
- Industry
- Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2023
- Current origin since
- Oct 2023 · 3.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 35.33.6.0/24 | AS237 | /24 | ARIN | RPKI valid |
| 35.33.0.0/18 | AS237 | /18 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS237 | RADB | Central Michigan U. | MAINT-AS237 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 35.
33. 0. 0/ 18 - Netname
- MICH-9509
- Registrant
- Central Michigan University
- Organization
- Central Michigan University (CMU)
- Org address
- Information Technology, Mount Pleasant, MI, 48859
- Org country
- US
- Type
- Reassigned
- Handle
- NET-35-33-0-0-1
- Parent
- NET-35-32-0-0-4
- Created
- Sep 21, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cmich. edu - Name
- Abuse Contact
- Phone
- +1-989-774-3611
- Handle
- ABUSE164-ARIN