Data as of Nov 9, 2026
205.222.128.0/18
No anonymizer space · no proxy exits in 30 daysMontgomery County Public Schools
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.222.168.0/24 since May 2024 | AS32073 | Business | Montgomery County Public Schools |
Network & registry
Origin network
AS32073
US
- Name
- Montgomery County Public Schools
- Type
- Education
- Registered
- Feb 23, 2004
- Domain
- mcpsmd.org
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2021
- Current origin since
- Dec 2021 · 4.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.222.128.0/18 | AS32073 | /18 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS32073 | ARIN | Montgomery County Public Schools | MNT-MCPS-2-Z | Mar 2, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 205.222.128.0/21 | AS32073 | ARIN | Montgomery County Public Schools | MNT-MCPS-2-Z | Aug 28, 2026 |
Whois
Registration for this announcement
- Range
- 205.
222. 0. 0/ 16 - Netname
- MCPS
- Registrant
- Montgomery County Public Schools
- Organization
- Montgomery County Public Schools (MCPS-2-Z)
- Org address
- Montgomery County Public Schools, Rockville, MD, 20850
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-222-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Apr 12, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 12, 1995
- Status
- assigned
Report abuse
Abuse contact
- renny_
hosein@ mcpsmd. org - Name
- Hosein, Renny
- Phone
- +1-240-543-8759
- Handle
- HOSEI1-ARIN