Data as of Nov 7, 2026
142.55.22.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by The Sheridan College Institute of Technology and Advanced Learning
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 142.55.0.0/16 since May 2005 | AS5664 | Business | 18 | The Sheridan College Institute of Technology and Advanced Learning |
Network & registry
Origin network
AS8075
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Website
- www.microsoft.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 142.55.22.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 142.55.0.0/16 | AS5664 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 142.
55. 0. 0/ 16 - Netname
- SHERIDANNET
- Registrant
- The Sheridan College Institute of Technology and Advanced Learning
- Organization
- The Sheridan College Institute of Technology and Advanced Learning (SHERID-8-Z)
- Org address
- 1430 Trafalgar Rd., Oakville, ON, L6H 2L1
- Org country
- CA
- Type
- Direct Allocation
- Handle
- NET-142-55-0-0-1
- Parent
- NET-142-0-0-0-0
- Created
- May 13, 1991
- RIR
- ARIN
- Country
- CA
- Delegated
- May 13, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sheridancollege. ca - Name
- abuse
- Phone
- +1-905-845-9430
- Handle
- ABUSE8146-ARIN