Data as of Nov 9, 2026
201.234.38.0/24
No anonymizer space · no proxy exits in 30 daysSiderca S.A.I.C.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 201.234.32.0/20 since Oct 2008 | AS3549 | Residential | 255 6 always on |
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 |
|---|---|---|---|---|---|---|
| 201.234.0.0/17 | 32,768 | — | Cirion Technologies Argentina S.A. (AR-IMCO13-LACNIC) | allocated | Aug 16, 2006 | abuse@ |
| └ 201.234.32.0/21 | 2,048 | — | Cirion Technologies Argentina S.A. (AR-LASA42-LACNIC) | reallocated | Feb 26, 2024 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS21756
AR
- Name
- Siderca S.A.I.C.
- Type
- Business
- Registered
- Jun 15, 2001
- Domain
- tenaris.com
- Industry
- Metal, Glass, Wood, and Paper Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2007
- Current origin since
- Feb 2013 · 14 yr
- Origin networks
- 2
- Last change of origin
- Feb 2013
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 201.234.38.0/24 | AS21756 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS21756 | RADB | This route object is for a IFX Networks customer route which is being exported under this origin AS 21756 | MAINT-AS18747 | Jan 19, 2026 |
Whois
Registration for this announcement
- Range
- 201.
234. 32. 0/ 21 - Netname
- AR-LASA42-LACNIC
- Registrant
- Cirion Technologies Argentina S.A.
- Registrant country
- AR
- Organization
- Not stated by the registry
- Type
- reallocated
- Created
- Feb 26, 2024
- RIR
- LACNIC
- Country
- AR
- Delegated
- Aug 16, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ciriontechnologies. com - Name
- Cirion Abuse
- Phone
- +51 17055700
- Handle
- CIA29