Data as of Nov 8, 2026
198.51.0.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Segal McCambridge Singer Mahoney Ltd
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
- Sep 2013
- Current origin since
- Jul 2022 · 4.3 yr
- Origin networks
- 4
- Last change of origin
- Jul 2022
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 198.
51. 0. 0/ 24 - Netname
- SMSM-PUBLIC-01
- Registrant
- Segal McCambridge Singer Mahoney Ltd
- Organization
- Segal McCambridge Singer Mahoney Ltd (SMSML)
- Org address
- 233 S. Wacker Dr, Chicago, IL, 60606
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-198-51-0-0-1
- Parent
- NET-198-0-0-0-0
- Created
- Sep 5, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 5, 2013
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN