Data as of Nov 13, 2026
187.1.53.0/24
No anonymizer space · no proxy exits in 30 daysCompanhia Itabirana Telecomunicacoes Ltda
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 187.1.52.0/22 since Aug 2019 | AS28201 | Residential | 108 6 always on | |
| 187.1.48.0/21 since Aug 2019 | AS28201 | Residential | 329 16 always on | |
| 187.1.48.0/20 since Aug 2019 | AS28201 | Residential | 420 25 always on |
Network & registry
Announced by
Covering announcement 187.1.52.0/23
- Prefix
- 187.1.52.0/23
- Announced by
- AS28201 Companhia Itabirana Telecomunicacoes Ltda
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- 370442
- Registrant
- Companhia Itabirana Telecomunicações Ltda
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS28201
BR
- Name
- Companhia Itabirana Telecomunicacoes Ltda
- Type
- Internet provider
- Registered
- Apr 9, 2008
- Domain
- valenet.com.br
- Website
- www.valenet.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
187.1.52.0/23
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- Aug 2019 · 7.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.1.48.0/20 | AS28201 | /24 | LACNIC | RPKI valid |
IRR
Route objects on 187.1.52.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28201 | RADB | VALENET | MAINT-AS28201 | Jan 23, 2024 |
Whois
Registration for this announcement
- Range
- 187.
1. 48. 0/ 20 - Netname
- 370442
- Registrant
- Companhia Itabirana Telecomunicações Ltda
- Registrant country
- BR
- Organization
- Companhia Itabirana Telecomunicações Ltda (05684180000191)
- Handle
- 187.
1. 48. 0/ 20 - Created
- Sep 5, 2008
- RIR
- LACNIC
- Country
- BR
- Delegated
- Sep 5, 2008
- Status
- assigned
Report abuse
Abuse contact
- bgp@
valenet. com. br - Name
- CIA Itabirana de Informática - VALENET
- Handle
- CIV19