Data as of Nov 9, 2026
206.138.171.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 206.136.0.0/14 since May 2005 | AS701 | Internet provider | 423 1 always on | Verizon Business |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 206.136.0.0/14 | 262,144 | NETBLK-UUNETCBLK136 | Verizon Business (MCICS) · US | Direct Allocation | Sep 28, 1995 | abuse@ |
| └ 206.138.171.0/24 | 256 | MSN-MANGA2-4 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 206.138.168.0/21
- Prefix
- 206.138.168.0/21
- Announced by
- AS8075 Microsoft Corporation
- Type
- Hosting
- RPKI
- No RPKI
- Netname
- NETBLK-UUNETCBLK136
- Registrant
- Verizon Business
- RIR
- ARIN
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
206.138.168.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Apr 2007 · 20 yr
- Origin networks
- 3
- Last change of origin
- Apr 2007
Recorded history
History
- Handoffs
- 2
IRR
Route objects on 206.138.168.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8075 | RADB | MICROSOFT | MAINT-AS8075 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 206.
136. 0. 0/ 14 - Netname
- NETBLK-UUNETCBLK136
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-206-136-0-0-1
- Parent
- NET-206-0-0-0-0
- Created
- Sep 28, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 28, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN