Data as of Nov 4, 2026
147.72.242.0/24
No anonymizer space · no proxy exits in 30 daysQuad9 · space held by Pittsburgh Supercomputing Center
Network & registry
Origin network
AS19281
US
- Name
- Quad9
- Type
- Business
- Registered
- Sep 13, 2017
- Domain
- quad9.net
- Website
- www.quad9.net
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2025
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 147.72.242.0/24 | AS5050 | /24 | ARIN | Another network |
| 147.72.242.0/24 | AS19281 | /24 | ARIN | RPKI valid |
| 147.72.0.0/16 | AS5050 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 147.72.0.0/16
- Netname
- PSC-PPP-SUBNET
- Registrant
- Pittsburgh Supercomputing Center
- Organization
- Pittsburgh Supercomputing Center (PSC-Z)
- Org address
- 300 S Craig St, Pittsburgh, PA, 15213
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-147-72-0-0-1
- Parent
- NET-147-0-0-0-0
- Created
- Jul 5, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 5, 1991
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Pittsburgh Supercomputing Center
- Phone
- +1-412-268-4960
- Handle
- PN-ORG-ARIN