AS52984 — AS52984 - CS-NET Informatica e Tecnologia Ltda.
Network type: residential
AS52984 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.
About this network
AS52984 is operated by CS-NET Informática e Tecnologia Ltda.
What it's used for
- The address space carries residential and business internet access, evidenced by reverse DNS entries such as 187-87-183-255.csnet.inf.br and 187-87-187-254.csnet.inf.br.
- The AS announces 4096 IPv4 addresses and 1 IPv6 prefix, with 20 observed neighbours, indicating a regional access provider rather than a transit hub.
- Traffic from this AS consists of subscriber eyeballs for cable and DSL services in Brazil, consistent with the operator's classification as a regional ISP.
Notable
- The registrant CS-NET Informática e Tecnologia Ltda. matches the AS holder, confirming consistent ownership of the announced space.
- The inventory consists of a single IPv4 prefix 187.87.176.0/20 and one IPv6 prefix 2804:5dac::/32, representing a compact, contiguous address estate.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 187.87.176.0/20
- 2804:5dac::/32
Upstream networks
Adjacent networks
Routing security
- RPKI: 0 valid, 0 invalid and 23 not-found announcements; 0 ROAs.
- ASPA: none published.
- IRR: 70% of announcements registered; 18 route objects.
- Listed in as-sets: AS-1000-LINKAMERICAN, AS-267613, AS-53062-CUSTOMERS, AS-53062-CUSTOMERS, AS-CTBC-CUSTOMERS132, AS-CTBC-TOOLS-4, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-HURRICANEV6, AS-HWNG-DOWNSTREAMS, AS-ITXBR1, AS-ROCKETNETWORK-TOOLS-2, AS-UFINET-LATAM-BRASIL, AS28146:AS-CLIENTS, AS53013:AS-CONE.
Internet exchanges
- IX.br (PTT.br) São Paulo — São Paulo, Brazil
BGP / ASN / CIDR
awaiting query
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IPv4
resolving...
IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED