Data as of Nov 10, 2026
198.91.39.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Washington Research Library Consortium
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2006
- Current origin since
- Dec 2023 · 2.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2023
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 198.
91. 32. 0/ 21 - Netname
- NETBLK-WRLCNET
- Registrant
- Washington Research Library Consortium
- Organization
- Washington Research Library Consortium (WRLC-Z)
- Org address
- 901 Commerce Drive, Upper Marlboro, MD, 20774
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-198-91-32-0-1
- Parent
- NET-198-0-0-0-0
- Created
- Mar 19, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- noc@
wrlc. org - Name
- IT Operations
- Phone
- +1-301-390-2050
- Handle
- ITOPE89-ARIN