Data as of Nov 6, 2026
187.45.160.0/21
No anonymizer space · no proxy exits in 30 daysVialink Solucoes de Tecnologia Ltda
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 187.45.167.0/24 since Nov 6, 2026 | AS28137 | Unknown |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,792 | 88% | 1 | |
| Unknown | 256 | 13% | 1 |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS28137
BR
- Name
- Vialink Solucoes de Tecnologia Ltda
- Type
- Internet provider
- Registered
- Mar 9, 2009
- Domain
- vialink.com.br
- Website
- vialink.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2011
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 4
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.45.160.0/20 | AS28137 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28137 | ALTDB | PROXY NETFLOW ENGENHARIA - Vialink Solucoes de Tecnologia Ltda | MAINT-AS52875 | Apr 20, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 187.45.161.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
| 187.45.162.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
| 187.45.163.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
| 187.45.164.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
| 187.45.165.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
| 187.45.166.0/24 | AS28137 | RADB | Citta Telecom proxy-registered route object for customer AS28137 | MAINT-AS27720 | May 24, 2024 |
Whois
Registration for this announcement
- Range
- 187.
45. 160. 0/ 20 - Netname
- 129234
- Registrant
- Vialink Soluções de Tecnologia Ltda
- Registrant country
- BR
- Organization
- Vialink Soluções de Tecnologia Ltda (97468425000161)
- Handle
- 187.
45. 160. 0/ 20 - Created
- Mar 9, 2009
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 9, 2009
- Status
- assigned