Data as of Nov 12, 2026
199.15.97.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Caryco Tech
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Oct 22, 2026
from AS20201 Caryco Tech, after 4.2 years unannounced
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 |
|---|---|---|---|---|---|---|
| 199.15.96.0/21 | 2,048 | CARYCO-VOIP | Caryco Tech (CT-27) · US | Direct Allocation | Sep 28, 2011 | billing@ |
| └ 199.15.97.0/24 | 256 | AZURE-BYOIP-199-15-97 | Caryco Tech (C11728586) · US | Reassigned | Oct 5, 2026 | billing@ via CARYCO-VOIP |
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
- Caryco Tech
- Handle
- CT-27
- Range
- 199.
15. 96. 0/ 21 - Registration type
- Direct Allocation
- Record created
- Sep 28, 2011
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
- Reactivated
- First seen
- Oct 2011
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 22, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 199.
15. 97. 0/ 24 - Netname
- AZURE-BYOIP-199-15-97
- Registrant
- Caryco Tech
- Organization
- Caryco Tech (C11728586)
- Type
- Reassigned
- Handle
- NET-199-15-97-0-1
- Parent
- NET-199-15-96-0-1
- Created
- Oct 5, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 28, 2011
- Status
- assigned
Report abuse
Abuse contact
- billing@
axioncommunications. com - Name
- Cary, Joseph
- Phone
- +1-805-642-1414
- Handle
- CARYJ-ARIN