Data as of Nov 12, 2026
201.151.56.0/24
No anonymizer space · no proxy exits in 30 daysAlestra, S. de R.L. de C.V.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 201.151.0.0/16 since Apr 2007 | AS11172 | Business | 620 159 always on |
Network & registry
Announced by
Covering announcement 201.151.56.0/21
- Prefix
- 201.151.56.0/21
- Announced by
- AS11172 Alestra, S. de R.L. de C.V.
- Type
- Business
- Proxy exits
- 2
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- MX-ALES-LACNIC
- Registrant
- Alestra, S. de R.L. de C.V.
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS11172
MX
- Name
- Alestra, S. de R.L. de C.V.
- Type
- Internet provider
- Registered
- May 5, 1998
- Domain
- alestra.com.mx
- Website
- alestra.com.mx
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
201.151.56.0/21
Routing history
- Pattern
- Stable
- First seen
- Jun 2006
- Current origin since
- Jun 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 201.151.0.0/16 | AS6503 | /24 | LACNIC | Another network |
| 201.151.0.0/16 | AS11172 | /24 | LACNIC | RPKI valid |
IRR
Route objects on 201.151.56.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11172 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
Whois
Registration for this announcement
- Range
- 201.
151. 0. 0/ 16 - Netname
- MX-ALES-LACNIC
- Registrant
- Alestra, S. de R.L. de C.V.
- Registrant country
- MX
- Organization
- Not stated by the registry
- Type
- allocated
- Created
- May 30, 2005
- RIR
- LACNIC
- Country
- MX
- Delegated
- May 30, 2005
- Status
- assigned
Report abuse
Abuse contact
- admcapacidadipaxtel@
axtel. com. mx - Name
- Inet Administrator
- Phone
- +52 8008882662
- Handle
- INA2