A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks13 · 2,048 IPv4 addresses
IPv6 3 prefixes (largest 2804:75c8::/32)
Also registered under this name 26 netblocks across 2 separate records
Record ID265105096
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (13)

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CIDR Org name Registry Status Confidence
138.97.76.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
138.97.76.0/22 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
138.97.77.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
138.97.78.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
138.97.79.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
179.48.0.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
179.48.0.0/22 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
179.48.1.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
179.48.2.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
179.48.3.0/24 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
2804:75c8::/32 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
2804:75c8::/33 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high
2804:75c8:8000::/33 A4 TELECOM SERVICOS DE TELECOMUNICACAO LTDA BGP ANNOUNCED ● high

IPv6 ranges (3)

CIDR
2804:75c8::/32
2804:75c8:8000::/33
2804:75c8::/33

Footprint over time

12 weekly snapshots · JSON
18 +4 netblocks since 2026-07-05
2026-07-05 peak 18 2026-11-08

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (18 of 18)
No discrepancies found among checked blocks.

NIC Handles

61187303000150 AS271069 JELSI227 JELSI227 JELSI227