Data as of Nov 8, 2026
159.14.174.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by The Children's Hospital of Philadelphia
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 159.14.0.0/16 since May 2005 | AS7328 | Business | 4 | The Children's Hospital of Philadelphia |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2026
- Current origin since
- Feb 2026 · 8 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 159.14.174.0/24 | AS8075 | /24 | ARIN | RPKI valid |
| 159.14.0.0/16 | AS7328 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 159.
14. 0. 0/ 16 - Netname
- CHOP
- Registrant
- The Children's Hospital of Philadelphia
- Organization
- The Children's Hospital of Philadelphia (CHP-10)
- Org address
- 34th and Civic Center Blvd, Philadelphia, PA, 19104
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-159-14-0-0-1
- Parent
- NET-159-0-0-0-0
- Created
- Feb 25, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 25, 1992
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN