Data as of Nov 13, 2026
147.72.249.0/24
1 residential-proxy exit · 30 daysPittsburgh Supercomputing Center
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
19
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
370 observations
Proxy providers listing exits
- Ake.net
- BottingTools
- CliProxy
- EnigmaProxy
- FastProxy
- GloryCloud
- LemonBright
- LudaxProxy
- MoMoProxy
- NovProxy
- NovaProxy
- Proxiware
- Q2IP
- RainProxy
- Shifter
- ThunderProxy
- VantageProxies
- ZENPROXY_LITE
- ZENPROXY_PREMIUM
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 |
|---|---|---|---|---|---|---|
| 147.72.0.0/16 | 65,536 | PSC-PPP-SUBNET | Pittsburgh Supercomputing Center (PSC-Z) · US | Direct Allocation | Jul 5, 1991 | pscnet-admin@ |
| └ 147.72.249.0/24 | 256 | PSC-BLK72-249-24 | Mount Aloysius College (MAC-114) · US | Reassigned | Jul 31, 2017 | — |
Network & registry
Registry
Holder
- Organization
- Pittsburgh Supercomputing Center
- Handle
- PSC-Z
- Range
- 147.
72. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 5, 1991
- Legacy
- yes
Origin network
AS5050
US
- Name
- Pittsburgh Supercomputing Center
- Type
- Education
- Registered
- Mar 29, 1995
- Domain
- psc.edu
- Website
- www.3rox.net
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2017
- Current origin since
- Sep 2017 · 9.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 147.72.249.0/24 | AS5050 | /24 | ARIN | RPKI valid |
| 147.72.0.0/16 | AS5050 | /16 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 147.
72. 249. 0/ 24 - Netname
- PSC-BLK72-249-24
- Registrant
- Mount Aloysius College
- Organization
- Mount Aloysius College (MAC-114)
- Org address
- 7373 ADMIRAL PEARY HWY, CRESSON, PA, 16630
- Org country
- US
- Type
- Reassigned
- Handle
- NET-147-72-249-0-1
- Parent
- NET-147-72-0-0-1
- Created
- Jul 31, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 5, 1991
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN