Data as of Nov 5, 2026
192.31.21.0/24
No anonymizer space · no proxy exits in 30 daysSan Diego Supercomputer Center
Network & registry
Origin network
AS195
US
- Name
- San Diego Supercomputer Center
- Type
- Education
- Registered
- May 26, 1988
- Domain
- sdsc.edu
- Industry
- Hosting and Cloud Provider
- 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
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS195 | RADB | San Diego Supercomputer Center | MAINT-AS195 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 192.
31. 21. 0/ 24 - Netname
- SDSC-APOLLO
- Registrant
- San Diego Supercomputer Center
- Organization
- San Diego Supercomputer Center (SDSC-Z)
- Org address
- 9500 Gilman Drive, La Jolla, CA, 92093-0505
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-31-21-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Mar 23, 1987
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 23, 1987
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sdsc. edu - Name
- SDSC-ABUSE
- Phone
- +1-858-534-5090
- Handle
- SDSCA-ARIN