Data as of Nov 11, 2026
204.85.8.64/28
No anonymizer space · no proxy exits in 30 daysMCNC
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 |
|---|---|---|---|---|---|---|
| 204.84.0.0/15 | 131,072 | NCREN-CIDR3 | MCNC (MCNC-Z) · US | Direct Allocation | Jun 30, 1994 | abuse@ |
| └ 204.85.8.64/28 | 16 | WASHINGTONCO-NET | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 204.84.0.0/15
- Prefix
- 204.84.0.0/15
- Announced by
- AS81 MCNC
- Type
- Business
- Proxy exits
- 83
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- NCREN-CIDR3
- Registrant
- MCNC
- RIR
- ARIN
Origin network
AS81
US
- Name
- MCNC
- Type
- Education
- Registered
- Aug 7, 1986
- Domain
- mcnc.org
- Website
- www.mcnc.org
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.84.0.0/15
204.84.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.84.0.0/15 | AS81 | /15 | ARIN | RPKI valid |
IRR
Route objects on 204.84.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS81 | ARIN | Autogenerated route object | MNT-MCNC-Z | Feb 12, 2026 |
Whois
Registration for this announcement
- Range
- 204.
84. 0. 0/ 15 - Netname
- NCREN-CIDR3
- Registrant
- MCNC
- Organization
- MCNC (MCNC-Z)
- Org address
- 3021 E. Cornwallis Rd, Durham, NC, 27713-2852
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-84-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jun 30, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 30, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
mcnc. org - Name
- Abuse Contact
- Phone
- +1-919-248-4111
- Handle
- ABUSE3348-ARIN