Data as of Nov 15, 2026
204.29.91.0/29
No anonymizer space · no proxy exits in 30 daysAlabama Supercomputer Authority
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.29.64.0/18 since May 2005 | AS3464 | Business | 21 | Alabama Supercomputer Authority |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 204.29.64.0/18 | 16,384 | ALALINC-NET | Alabama Supercomputer Authority (ASC-Z) · US | Direct Allocation | Feb 7, 1996 | swipadmin@ |
| └ 204.29.91.0/29 | 8 | NETBLK-ASC-NET | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 204.29.91.0/24
- Prefix
- 204.29.91.0/24
- Announced by
- AS3464 Alabama Supercomputer Authority
- Type
- Business
- RPKI
- RPKI valid
- Netname
- ALALINC-NET
- Registrant
- Alabama Supercomputer Authority
- RIR
- ARIN
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
204.29.91.0/24
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 204.29.64.0/18 | AS3464 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 204.
29. 64. 0/ 18 - Netname
- ALALINC-NET
- Registrant
- Alabama Supercomputer Authority
- Organization
- Alabama Supercomputer Authority (ASC-Z)
- Org address
- 686 Discovery Dr., Huntsville, AL, 35806
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-29-64-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Feb 7, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 7, 1996
- Status
- assigned
Report abuse
Abuse contact
- swipadmin@
asc. edu - Name
- R
- Phone
- +1-256-971-7448
- Handle
- MD3-ORG-ARIN