Data as of Nov 7, 2026
172.111.23.0/24
No anonymizer space · no proxy exits in 30 daysYoumaker Corporation · space held by Clearmail Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 172.111.22.0/23 since Sep 2023 | AS6939 | Unknown | Clearmail Inc. |
Network & registry
Origin network
AS22115
US
- Name
- Youmaker Corporation
- Type
- Business
- Registered
- Feb 2, 2021
- Domain
- youmaker.com
- Website
- www.youmaker.com/
- Industry
- Other Schools, Instruction, and Exam Preparation (Trade Schools, Art Schools, Driving Instruction, etc.)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Sep 2021
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 2
- Last change of origin
- Sep 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.111.22.0/23 | AS6939 | /24 | ARIN | Another network |
| 172.111.20.0/22 | AS22115 | /24 | ARIN | RPKI valid |
| 172.111.20.0/22 | AS40562 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 172.
111. 20. 0/ 22 - Netname
- CM-01
- Registrant
- Clearmail Inc.
- Organization
- Clearmail Inc. (CLEAR-228)
- Org address
- PO BOX 286, New York, NY, 10116
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-172-111-20-0-1
- Parent
- NET-172-0-0-0-0
- Created
- Jul 9, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 9, 2021
- Status
- assigned
Report abuse
Abuse contact
- noc@
clearmail. com - Name
- Operations
- Phone
- +1-332-203-3205
- Handle
- OPERA663-ARIN