Data as of Nov 6, 2026
5.57.28.0/23
No anonymizer space · no proxy exits in 30 daysConsorcio de Telecomunicaciones Avanzada S.A.
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 |
|---|---|---|---|---|---|---|
| 5.57.24.0/21 | 2,048 | ES-COTA-20120531 | Consorcio de Telecomunicaciones Avanzada S.A. (ORG-CTAS4-RIPE) · ES | ALLOCATED PA | May 31, 2012 | abuse@ |
| └ 5.57.28.0/23 | 512 | COTA-IPV4-B1 | unknown | ASSIGNED PA | Sep 3, 2021 | abuse@ via ES-COTA-20120531 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 5.57.28.0/22
- Prefix
- 5.57.28.0/22
- Announced by
- AS199434 Consorcio de Telecomunicaciones Avanzada S.A.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- ES-COTA-20120531
- Registrant
- Consorcio de Telecomunicaciones Avanzada S.A.
- RIR
- RIPE NCC
Origin network
AS199434
ES
- Name
- Consorcio de Telecomunicaciones Avanzada S.A.
- Type
- Internet provider
- Registered
- Jan 22, 2013
- Domain
- cotatelecom.com
- Website
- www.cotatelecom.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 5.57.28.0/22
5.57.28.0/22
Routing history
- Pattern
- Stable
- First seen
- Feb 2019
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 5.57.28.0/22 | AS199434 | /22 | RIPE | RPKI valid |
| 5.57.24.0/21 | AS199434 | /21 | RIPE | Too specific |
IRR
Route objects on 5.57.28.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS199434 | RIPE | CONSORCIO DE TELECOMUNICACIONES AVANZADA S.A. | MNT-COTA | Dec 13, 2018 |
Whois
Registration for this announcement
- Range
- 5.
57. 24. 0/ 21 - Netname
- ES-COTA-20120531
- Registrant
- Consorcio de Telecomunicaciones Avanzada S.A.
- Registrant country
- ES
- Organization
- Consorcio de Telecomunicaciones Avanzada S.A. (ORG-CTAS4-RIPE)
- Org country
- ES
- Type
- ALLOCATED PA
- Created
- May 31, 2012
- Updated
- Jun 18, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- ES
- Delegated
- May 31, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cotatelecom. com - Name
- Abuse-C Role
- Handle
- AR14902-RIPE