Data as of Nov 8, 2026
148.244.138.0/24
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 |
|---|---|---|---|---|
| 148.244.136.0/21 since May 2005 | AS11172 | Business | 15 6 always on | |
| 148.244.128.0/18 since May 2005 | AS11172 | Business | 215 86 always on | |
| 148.244.0.0/16 since May 2005 | AS11172 | Business | 720 218 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 |
|---|---|---|---|---|---|---|
| 148.244.0.0/16 | 65,536 | — | Alestra, S. de R.L. de C.V. (MX-ALES-LACNIC) | allocated | Apr 26, 1999 | admcapacidadipaxtel@ |
| └ 148.244.138.0/24 | 256 | — | TELECABLE CENTRO OCCIDENTE S.A. de C.V. (MX-TCOS12-LACNIC) | reassigned | Oct 30, 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
- Aug 2014
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 148.244.0.0/16 | AS6503 | /24 | LACNIC | Another network |
| 148.244.0.0/16 | AS11172 | /24 | LACNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 148.
244. 138. 0/ 24 - Netname
- MX-TCOS12-LACNIC
- Registrant
- TELECABLE CENTRO OCCIDENTE S.A. de C.V.
- Registrant country
- MX
- Organization
- Not stated by the registry
- Type
- reassigned
- Created
- Oct 30, 2001
- RIR
- LACNIC
- Country
- MX
- Delegated
- Apr 26, 1999
- Status
- assigned
Report abuse
Abuse contact
- admin2@
alestra. net. mx - Name
- Enrique Velazquez
- Phone
- +52 524433145050
- Handle
- ENV3