Data as of Nov 13, 2026
207.210.187.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Proskauer Rose LLP
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Aug 2026
its first announcement on record
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 207.210.160.0/19 | 8,192 | PROSKAUER | Proskauer Rose LLP (PRL-16) · US | Direct Allocation | Jun 26, 2006 | oguralnik@ |
| └ 207.210.187.0/24 | 256 | NET-AZURE-PREFIX-187 | unknown | Reassigned | Jun 27, 2026 | oguralnik@ via PROSKAUER |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Proskauer Rose LLP
- Handle
- PRL-16
- Range
- 207.
210. 160. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Jun 26, 2006
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
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 207.
210. 187. 0/ 24 - Netname
- NET-AZURE-PREFIX-187
- Registrant
- Proskauer Rose LLP
- Organization
- Proskauer Rose LLP (PRL-16)
- Org address
- Eleven Times Square, New York, NY, 10036-8299
- Org country
- US
- Type
- Reassigned
- Handle
- NET-207-210-187-0-1
- Parent
- NET-207-210-160-0-1
- Created
- Jun 27, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 26, 2006
- Status
- assigned
Report abuse
Abuse contact
- oguralnik@
proskauer. com - Name
- Guralnik, Oleg
- Phone
- +1-212-969-5521
- Handle
- GURAL-ARIN