Data as of Nov 8, 2026
216.109.52.0/24
No anonymizer space · no proxy exits in 30 daysAlabama Supercomputer Authority · space held by Alabama Supercomputer Network
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS393676 Oracle Corporation, after 6.3 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.109.0.0/18 since May 2005 | AS3464 | Business | 5 | Alabama Supercomputer Network |
Network & registry
Origin network
AS3464
US
- Name
- Alabama Supercomputer Authority
- Type
- Education
- Registered
- Mar 4, 1994
- Domain
- asc.edu
- Website
- www.asc.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Mar 2018
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.109.0.0/18 | AS3464 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 216.
109. 0. 0/ 18 - Netname
- AREN-CIDR5
- Registrant
- Alabama Supercomputer Network
- Organization
- Alabama Supercomputer Network (ASC)
- Org address
- 686 Discovery Dr., Huntsville, AL, 35806
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-216-109-0-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Oct 15, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 15, 1998
- Status
- assigned
Report abuse
Abuse contact
- swipadmin@
asc. edu - Name
- R
- Phone
- +1-256-971-7491
- Handle
- MD3-ORG-ARIN