Data as of Nov 8, 2026
204.38.48.0/24
No anonymizer space · no proxy exits in 30 daysMerit 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 |
|---|---|---|---|---|---|---|
| 204.38.0.0/16 | 65,536 | MICH-71 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | May 13, 1994 | abuse@ |
| └ 204.38.48.0/24 | 256 | MICH-8184 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 204.38.0.0/16
- Prefix
- 204.38.0.0/16
- Announced by
- AS237 Merit Network Inc.
- Type
- Business
- Proxy exits
- 13
- RPKI
- RPKI valid
- Netname
- MICH-71
- Registrant
- Merit Network Inc.
- RIR
- ARIN
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
Who has announced 204.38.0.0/16
204.38.0.0/16
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 |
|---|---|---|---|---|
| 204.38.0.0/16 | AS237 | /16 | ARIN | RPKI valid |
IRR
Route objects on 204.38.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS237 | RADB | Merit Network, Inc. | MAINT-AS237 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
38. 0. 0/ 16 - Netname
- MICH-71
- Registrant
- Merit Network Inc.
- Organization
- Merit Network Inc. (MICH-Z)
- Org address
- 880 Technology Dr., Suite B, Ann Arbor, MI, 48108
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-38-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- May 13, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- May 13, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
merit. edu - Name
- Network Abuse
- Phone
- +1-734-527-5740
- Handle
- NETWO26-ARIN