Data as of Nov 8, 2026
200.52.120.0/21
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 |
|---|---|---|---|---|
| 200.52.112.0/20 since May 2005 | AS11172 | Business | 5 |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 200.52.120.0/24 since Feb 2012 | AS11172 | Business | |
| 200.52.121.0/24 since Feb 2012 | AS11172 | Business | |
| 200.52.122.0/24 since Feb 2012 | AS11172 | Business | |
| 200.52.123.0/24 since Feb 2012 | AS11172 | Business | |
| 200.52.124.0/24 since Oct 22, 2026 | AS11172 | Business | |
| 200.52.125.0/24 since Oct 22, 2026 | AS11172 | Business | |
| 200.52.126.0/24 since Feb 2012 | AS11172 | Business | |
| 200.52.127.0/24 since Feb 2012 | AS11172 | Business |
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 |
|---|---|---|---|---|---|---|
| 200.52.112.0/20 | 4,096 | — | Alestra, S. de R.L. de C.V. (MX-ALES-LACNIC) | allocated | May 24, 2001 | admcapacidadipaxtel@ |
| └ 200.52.120.0/24 | 256 | — | Alestra AT&T (MX-ALAT1-LACNIC) | reassigned | Oct 17, 2001 | admin2@ |
Network & registry
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
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 200.52.112.0/20 | AS6503 | /24 | LACNIC | Another network |
| 200.52.112.0/20 | AS11172 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11172 | RADB | auto-generated route object for 200.52.120.0/21 | MAINT-AS11172 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 200.
52. 112. 0/ 20 - 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 24, 2001
- RIR
- LACNIC
- Country
- MX
- Delegated
- May 24, 2001
- Status
- assigned
Report abuse
Abuse contact
- admcapacidadipaxtel@
axtel. com. mx - Name
- Inet Administrator
- Phone
- +52 8008882662
- Handle
- INA2