Data as of Nov 9, 2026
190.181.73.0/24
No anonymizer space · no proxy exits in 30 daysNORTECH
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 190.181.72.0/23 since Mar 2025 | AS52251 | Residential | ||
| 190.181.64.0/19 since Mar 2025 | AS52251 | Residential | 344 101 always on | |
| 190.181.64.0/18 since Mar 2025 | AS52251 | Residential | 671 196 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 |
|---|---|---|---|---|---|---|
| 190.181.64.0/18 | 16,384 | — | NORTECH (AR-NORT2-LACNIC) | allocated | Sep 22, 2011 | lpiccini@ |
| └ 190.181.73.0/24 | 256 | — | Cristian Marcelo Rodriguez (AR-CMRO-LACNIC) | reallocated | Jun 5, 2017 | cristian. |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS52251
AR
- Name
- NORTECH
- Type
- Internet provider
- Registered
- May 28, 2010
- Domain
- nortech.com.ar
- Website
- nortech.com.ar
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2011
- Current origin since
- Jan 2026 · 9 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 190.181.73.0/24 | AS52251 | /24 | LACNIC | RPKI valid |
| 190.181.72.0/23 | AS52251 | /23 | LACNIC | Too specific |
| 190.181.64.0/18 | AS52251 | /24 | LACNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 190.
181. 73. 0/ 24 - Netname
- AR-CMRO-LACNIC
- Registrant
- Cristian Marcelo Rodriguez
- Registrant country
- AR
- Organization
- Not stated by the registry
- Type
- reallocated
- Created
- Jun 5, 2017
- RIR
- LACNIC
- Country
- AR
- Delegated
- Sep 22, 2011
- Status
- assigned
Report abuse
Abuse contact
- cristian.
1975@ hotmail. com - Name
- Cristian Marcelo Rodriguez
- Phone
- +54 11 44632175
- Handle
- CMR9