Data as of Nov 9, 2026
140.144.253.0/24
No anonymizer space · no proxy exits in 30 daysMtSAC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 140.144.0.0/16 since Jul 2009 | AS46290 | Business | 2 | MtSAC |
Network & registry
Announced by
Covering announcement 140.144.128.0/17
- Prefix
- 140.144.128.0/17
- Announced by
- AS46290 MtSAC
- Type
- Business
- RPKI
- No RPKI
- Netname
- MTSACNET
- Registrant
- MtSAC
- RIR
- ARIN
Origin network
AS46290
US
- Name
- MtSAC
- Type
- Education
- Registered
- Aug 4, 2008
- Domain
- mtsac.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
140.144.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
IRR
Route objects on 140.144.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46290 | RADB | MTSACNET | MAINT-AS2150 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 140.
144. 0. 0/ 16 - Netname
- MTSACNET
- Registrant
- MtSAC
- Organization
- MtSAC (MSACCD)
- Org address
- Mt. San Antonio Community College, Walnut, CA, 91789
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-140-144-0-0-1
- Parent
- NET-140-0-0-0-0
- Created
- Apr 24, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 24, 1990
- Status
- assigned
Report abuse
Abuse contact
- noc@
mtsac. edu - Name
- Network Operations Center
- Phone
- +1-909-594-5611
- Handle
- NOC3170-ARIN