Data as of Nov 8, 2026
74.117.19.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by CooperVision, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 74.117.16.0/22 since Oct 2009 | AS1443 | Business | CooperVision, Inc. |
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
- Rotating
- First seen
- Feb 2013
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 3
- Last change of origin
- Nov 2024
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 74.117.19.0/24 | AS1443 | /24 | ARIN | Another network |
| 74.117.19.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 74.117.16.0/22 | AS1443 | /22 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | Microsoft ByoIp | MAINT-AS8075 | Nov 6, 2024 |
Whois
Registration for this announcement
- Range
- 74.
117. 16. 0/ 22 - Netname
- COOPER-NA-NET1
- Registrant
- CooperVision, Inc.
- Organization
- CooperVision, Inc. (COOPER-1)
- Org address
- 209 Highpoint Drive, Victor, NY, 14564
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-74-117-16-0-1
- Parent
- NET-74-0-0-0-0
- Created
- Aug 24, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 24, 2009
- Status
- assigned
Report abuse
Abuse contact
- gbarber@
coopervision. com - Name
- Barber, Gavin
- Phone
- +1-585-662-2772
- Handle
- BARBE151-ARIN