Data as of Nov 4, 2026
66.244.128.248/29
No anonymizer space · no proxy exits in 30 daysGrupo-SMS USA, LLC
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66.244.128.0/20 | 4,096 | GRUPO-SMS | Grupo-SMS USA, LLC (GUL-5) · US | Direct Allocation | May 6, 2013 | netsupport@ |
| └ 66.244.128.248/29 | 8 | 66-244-128-248-SLASH29 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 66.244.128.0/24
- Prefix
- 66.244.128.0/24
- Announced by
- AS32524 Grupo-SMS USA, LLC
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- GRUPO-SMS
- Registrant
- Grupo-SMS USA, LLC
- RIR
- ARIN
Origin network
AS32524
US
- Name
- Grupo-SMS USA, LLC
- Type
- Hosting
- Registered
- Apr 12, 2010
- Domain
- smsdatacenter.com
- Website
- smsdatacenter.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 66.244.128.0/24
66.244.128.0/24
Routing history
- Pattern
- Stable
- First seen
- Jul 2011
- Current origin since
- Sep 2013 · 13 yr
- Origin networks
- 2
- Last change of origin
- Sep 2013
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.244.128.0/24 | AS32524 | /24 | ARIN | RPKI valid |
IRR
Route objects on 66.244.128.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS32524 | ARIN | 66.244.128.0/24 | MNT-GUL-5 | May 6, 2026 |
Whois
Registration for this announcement
- Range
- 66.
244. 128. 0/ 20 - Netname
- GRUPO-SMS
- Registrant
- Grupo-SMS USA, LLC
- Organization
- Grupo-SMS USA, LLC (GUL-5)
- Org address
- 2681 Kelvin Avenue, Irvine, CA, 92614
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-244-128-0-1
- Parent
- NET-66-0-0-0-0
- Created
- May 6, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- May 6, 2013
- Status
- assigned
Report abuse
Abuse contact
- netsupport@
smsdatacenter. com - Name
- Admin
- Phone
- +1-949-223-9240
- Handle
- ADMIN1913-ARIN