Data as of Nov 11, 2026
152.22.72.0/21
No anonymizer space · no proxy exits in 30 daysMCNC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 152.22.0.0/16 since Jan 2019 | AS81 | Business | 46 | MCNC |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2021
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 152.22.72.0/21 | AS81 | /21 | ARIN | RPKI valid |
| 152.22.0.0/16 | AS81 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS81 | ARIN | Autogenerated route object | MNT-MCNC-Z | Feb 12, 2026 |
Whois
Registration for this announcement
- Range
- 152.
22. 0. 0/ 16 - Netname
- NCREN-B22
- Registrant
- MCNC
- Organization
- MCNC (MCNC-Z)
- Org address
- 3021 E. Cornwallis Rd, Durham, NC, 27713-2852
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-152-22-0-0-1
- Parent
- NET-152-0-0-0-0
- Created
- Aug 8, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 8, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
mcnc. org - Name
- Abuse Contact
- Phone
- +1-919-248-4111
- Handle
- ABUSE3348-ARIN