Data as of Nov 6, 2026
207.157.8.0/23
3 residential-proxy exits · 30 daysAlabama Supercomputer Authority
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Jun 2026
its first announcement on record
Residential-proxy exits
Proxy exits
3
0.59% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
2
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
218 observations
Proxy providers listing exits
- ColaProxy
- Thordata
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.157.0.0/17 since May 2005 | AS3464 | Business | 22 1 always on | Alabama Supercomputer Authority |
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 |
|---|---|---|---|---|---|---|
| 207.157.0.0/17 | 32,768 | ASC-NET4 | Alabama Supercomputer Authority (ASC-Z) · US | Direct Allocation | Jul 25, 1996 | bgpadmin@ |
| └ 207.157.8.32/28 | 16 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 207.157.9.0/26 | 64 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 207.157.9.128/26 | 64 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 207.157.9.192/26 | 64 | NETBLK-ASC-NET | unknown | — | — | — |
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
- Stable
- First seen
- Jun 2026
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.157.0.0/17 | AS3464 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 207.
157. 0. 0/ 17 - Netname
- ASC-NET4
- 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-207-157-0-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Jul 25, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 25, 1996
- Status
- assigned
Report abuse
Abuse contact
- swipadmin@
asc. edu - Name
- R
- Phone
- +1-256-971-7448
- Handle
- MD3-ORG-ARIN