Data as of Nov 8, 2026
156.151.217.0/24
No anonymizer space · no proxy exits in 30 daysOracle Corporation
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 |
|---|---|---|---|---|---|---|
| 156.151.0.0/16 | 65,536 | ORACLE-UCF | Oracle Corporation (ORACLE-4) · US | Direct Allocation | Jan 22, 1993 | abuse@ |
| └ 156.151.192.0/19 | 8,192 | ORACLE-PRISMA | Oracle-Prisma (C11571808) · US | Reassigned | Apr 16, 2026 | abuse@ via ORACLE-UCF |
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
IPv4 market
Holder
- Organization
- Oracle Corporation
- Handle
- ORACLE-4
- Range
- 156.
151. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 22, 1993
- Legacy
- yes
Origin network
AS31898
US
- Name
- Oracle Corporation
- Type
- Hosting
- Registered
- Mar 21, 2011
- Domain
- oracle.com
- Website
- cloud.oracle.com
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 16
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
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 156.
151. 192. 0/ 19 - Netname
- ORACLE-PRISMA
- Registrant
- Oracle-Prisma
- Organization
- Oracle-Prisma (C11571808)
- Type
- Reassigned
- Handle
- NET-156-151-192-0-1
- Parent
- NET-156-151-0-0-1
- Created
- Apr 16, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 22, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
oracleemaildelivery. com - Name
- Network Information Systems Abuse Management
- Phone
- +1-800-633-0738
- Handle
- NISAM-ARIN