Data as of Nov 5, 2026
199.20.16.0/20
6 residential-proxy exits · 30 daysAlabama Supercomputer Authority
Residential-proxy exits
Proxy exits
6
0.15% of its addresses · 30 days
Spread
4 of 16
/24s with at least one exit
Providers
25
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
1.1K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 199.20.30.0/24 | 0 | 3 | |
| 199.20.19.0/24 | 0 | 1 | |
| 199.20.20.0/24 | 0 | 1 | |
| 199.20.26.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- AnyIP
- BirdProxies
- ByteProxies
- Byteful
- CliProxy
- ColaProxy
- EnigmaProxy
- GonzoProxy
- IPPeak
- Infatica
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- Proxyma
- RainProxy
- Shifter
- Thordata
- VitalExclusive
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.20.16.0/22 since Jun 2026 | AS3464 | Business | 1 | Alabama Supercomputer Authority | |
| 199.20.17.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.18.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.19.0/24 since Jun 2026 | AS3464 | Business | 1 | Alabama Supercomputer Authority | |
| 199.20.20.0/24 since Jun 2026 | AS3464 | Business | 1 | Alabama Supercomputer Authority | |
| 199.20.21.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.22.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.25.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.26.0/24 since Jul 2026 | AS3464 | Business | 1 | Alabama Supercomputer Authority | |
| 199.20.27.0/24 since Jun 2026 | AS3464 | Business | Alabama Supercomputer Authority | ||
| 199.20.28.0/24 since Jul 2026 | AS3464 | Business | 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 |
|---|---|---|---|---|---|---|
| 199.20.16.0/20 | 4,096 | NETBLK-ASC-NET | Alabama Supercomputer Authority (ASC-Z) · US | Direct Allocation | Oct 11, 1993 | bgpadmin@ |
| └ 199.20.24.0/24 | 256 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.25.0/24 | 256 | NETBLK-ASC-NET | Samford University (C02364276) · US | Reassigned | Nov 23, 2009 | bgpadmin@ via NETBLK-ASC-NET |
| └ 199.20.26.0/26 | 64 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.26.96/27 | 32 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.26.128/26 | 64 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.26.192/27 | 32 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.26.224/27 | 32 | NETBLK-ASC-NET | unknown | — | — | — |
| └ 199.20.31.0/24 | 256 | NETBLK-ASC-NET | unknown | — | — | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 199.20.16.0/20 | AS3464 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.20.16.0/21 | AS3464 | RADB | Alabama Research and Education Network | MAINT-AS3464 | Oct 10, 2025 |
Whois
Registration for this announcement
- Range
- 199.
20. 16. 0/ 20 - Netname
- NETBLK-ASC-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-199-20-16-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Oct 11, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 11, 1993
- Status
- assigned
Report abuse
Abuse contact
- bgpadmin@
asc. edu - Name
- R
- Phone
- +1-256-971-7491
- Handle
- MD3-ORG-ARIN