Data as of Nov 5, 2026
137.152.248.0/21
No anonymizer space · no proxy exits in 30 daysVOSTROM · space held by Grand Canyon University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 137.152.224.0/19 since Jul 2015 | AS36324 | Business | Grand Canyon University |
Network & registry
Origin network
AS36324
US
- Name
- VOSTROM
- Type
- Business
- Registered
- Nov 29, 2005
- Domain
- vostrom.com
- Website
- vostrom.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
- Oct 2019
- Current origin since
- Oct 2019 · 7.0 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 137.
152. 0. 0/ 16 - Netname
- GCU
- Registrant
- Grand Canyon University
- Organization
- Grand Canyon University (GCU)
- Org address
- 3300 W Camelback RD, Phoenix, AZ, 85017
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-137-152-0-0-1
- Parent
- NET-137-0-0-0-0
- Created
- Dec 6, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 6, 1989
- Status
- assigned
Report abuse
Abuse contact
- itsecurity@
gcu. edu - Name
- IT Security
- Phone
- +1-602-639-8300
- Handle
- ITSEC14-ARIN