Data as of Nov 10, 2026
192.12.136.0/23
No anonymizer space · no proxy exits in 30 daysLawrence Livermore National Laboratory
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 |
|---|---|---|---|---|---|---|
| 192.12.136.0/24 | 256 | LLNL-OUTNET | Lawrence Livermore National Laboratory (LLNL-1-Z) · US | Direct Allocation | Oct 15, 1985 | dns-admin@ |
| 192.12.137.0/24 | 256 | LLNL-SAT | Lawrence Livermore National Laboratory (LLNL-1-Z) · US | Direct Allocation | Oct 15, 1985 | dns-admin@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS44
US
- Name
- Lawrence Livermore National Laboratory
- Type
- Education
- Registered
- Jun 5, 1985
- Domain
- llnl.gov
- Industry
- Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2007
- Current origin since
- Oct 2009 · 17 yr
- Origin networks
- 2
- Last change of origin
- Oct 2009
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS44 | RADB | Lawrence Livermore National Lab | MAINT-ESNET | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 192.12.137.0/24 | AS45 | RADB | Lawrence Livermore National Lab | MAINT-ESNET | Nov 13, 2023 |
Whois
Registration for this announcement
192.12.136.0/23 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 15, 1985
- Status
- assigned