AS52711 — AS52711 - FASTNET TELECOM

AS52711 announces 2 IPv4 prefixes covering 3,072 addresses and 1 IPv6 prefixes.

About this network

FASTNET TELECOM is operated by Fastnet Telecom.

What it's used for

• The address space carries residential subscriber traffic, evidenced by reverse DNS entries such as rev-177-84-91-254.dynamic.fastnettelecom.com and cgnat-179-96-186-254.dynamic.fastnettelecom.com.
• The network announces 3,072 IPv4 addresses across 5 prefixes and 1 IPv6 prefix, with 6 observed neighbours, indicating a regional access provider rather than a transit hub.
• Traffic consists of consumer broadband connections, utilizing dynamic host naming and CGNAT for subscriber address management.

Notable

• All registrants for the announced prefixes are listed as FASTNET TELECOM, matching the AS holder.
• The address inventory is subdivided into five distinct IPv4 blocks, including a /22 and multiple /24s, consistent with a segmented regional ISP deployment.

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

Announced prefixes

• 177.84.88.0/22
• 179.96.184.0/21
• 2804:1560::/32

Upstream networks

• AS14840 BR.Digital Telecom
• AS52873 Softdados Telecomunicacoes

Downstream networks

• AS265351 INFOARTES TELECOM LTDA
• AS271326 P3 SERVICOS DE TELECOMUNICACAO LTDA
• AS262689 UNOUN INTERNET LTDA
• AS272282 K L X - TECNOLOGIA LTDA

Adjacent networks

• AS14840 BR.Digital Telecom
• AS265351 INFOARTES TELECOM LTDA
• AS61568 ALOO TELECOM - FSF TECNOLOGIA SA
• AS52873 Softdados Telecomunicacoes
• AS271326 P3 SERVICOS DE TELECOMUNICACAO LTDA
• AS262689 UNOUN INTERNET LTDA
• AS272282 K L X - TECNOLOGIA LTDA

Routing security

• RPKI: 0 valid, 0 invalid and 7 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 30 route objects.
• Listed in as-sets: AS-1TELECOM-CUSTOMERS01, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-AS262689, AS-AS52711, AS-CTBC-CUSTOMERS170, AS-CTBC-CUSTOMERS181, AS-CTBC-TOOLS-1, AS-FLYS, AS-FORTEL-CUSTOMERS, AS-MOB-CUSTOMER-AS52711, AS-TELY, AS-UFINET-LATAM-BRASIL, AS14840:AS-CUSTOMERS-04, AS274830:AS-CUSTOMERS, AS28624:AS-CUSTOMERS, AS52873:AS-API, AS52873:AS-TRANSIT, AS53013:AS-CONE, AS61568:AS-ALOO-TELECOM, AS61568:AS-ALOO-TELECOM-DDOS, AS61568:AS-TESTE-AL, AS61568:AS-TESTE-ALOO.

Internet exchanges

• IX.br (PTT.br) Fortaleza — Fortaleza, Brazil
• IX.br (PTT.br) Recife — Recife, Brazil