AS28137 — AS28137 - Vialink Solucoes de Tecnologia Ltda

AS28137 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

AS28137 is operated by Vialink Solucoes de Tecnologia Ltda.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries like 255-167-45-187.vialink.com.br and 254-171-45-187.vialink.com.br.
• The AS announces 4096 IPv4 addresses across 1 prefix and 1 IPv6 prefix, with 13 observed neighbours. This ratio of address space to peering partners is consistent with an access provider rather than a transit carrier.

Notable

• The RDAP registrant Vialink Soluções de Tecnologia Ltda matches the AS holder name, confirming consistent ownership of the announced space.
• The inventory consists of a single contiguous IPv4 block, 187.45.160.0/20, and a single IPv6 prefix, 2804:458::/32, indicating a focused and compact address estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 187.45.160.0/20
• 2804:458::/32

Upstream networks

• AS52468 UFINET PANAMA S.A.
• AS6939 Hurricane Electric LLC
• AS266166 GLOBALNET SERVICOS E INFORMATICA LTDA-ME
• AS263946 RINGLINK TELECOM LTDA
• AS35280 F5 Networks SARL

Downstream networks

• AS263946 RINGLINK TELECOM LTDA

Adjacent networks

• AS52468 UFINET PANAMA S.A.
• AS6939 Hurricane Electric LLC
• AS263946 RINGLINK TELECOM LTDA
• AS266166 GLOBALNET SERVICOS E INFORMATICA LTDA-ME
• AS35280 F5 Networks SARL

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 92% of announcements registered; 18 route objects.
• Listed in as-sets: AS-27720, AS-28124, AS-53062-CUSTOMERS, AS-53062-CUSTOMERS, AS-ANTEL-ALL, AS-CTBC-CUSTOMERS1, AS-CTBC-CUSTOMERS112, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-FLYS, AS-HWNG-DOWNSTREAMS, AS-ITXBR1, AS-ROCKETNETWORK-TOOLS-2, AS-UFLA-TRANSCUST, AS14840:AS-CUSTOMERS-04, AS266166:AS-CONE, AS28669:AS-CUSTOMERS, AS52875:AS-NETFLOW-CUSTOMERS, AS52875:AS-NTFW-AUTOMATION-CUSTOMERS, AS53013:AS-CONE.