AS18881 — TELEFONICA BRASIL S.A

AS18881 announces 53 IPv4 prefixes covering 4,581,376 addresses and 28 IPv6 prefixes.

About this network

TELEFONICA BRASIL S.A is held by Telefônica Brasil S.A, operating under the brand Vivo.

What it's used for

• The address space carries residential broadband access, evidenced by reverse DNS entries such as 177.97.64.dynamic.adsl.gvt.net.br and 177.134.64.0.static.gvt.net.br.
• The AS announces 4,581,376 IPv4 addresses across 526 prefixes and 91 IPv6 prefixes, while maintaining only 2 observed neighbours, a ratio indicative of a large-scale access network rather than a transit provider.

Notable

• All sampled registrants are listed as TELEFÔNICA BRASIL S.A, which aligns perfectly with the AS handle and the operator's identity.
• The operator was originally formed as part of Telebrás and underwent rebranding from Telecomunicações de São Paulo S.A. (TELESP) to Telefônica Brasil S.A. in October 2011.
• The inventory consists of numerous /16 and /17 blocks, primarily in the 177.0.0.0/8 range, reflecting a finely subdivided corporate estate for site-by-site segmentation.

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

Announced prefixes

• 177.16.0.0/14
• 177.40.0.0/14
• 177.96.0.0/14
• 177.132.0.0/14
• 177.145.0.0/18
• 177.156.0.0/14
• 177.204.0.0/14
• 179.83.0.0/16
• 179.95.0.0/16
• 179.131.192.0/18
• 179.162.0.0/17
• 179.162.128.0/18
• 179.162.192.0/19
• 179.162.240.0/20
• 179.176.0.0/13
• 179.184.0.0/14
• 186.212.0.0/14
• 187.58.0.0/15
• 187.112.0.0/16
• 187.113.0.0/17
• 187.113.128.0/19
• 187.113.176.0/20
• 187.113.192.0/18
• 187.114.0.0/17
• 187.114.128.0/20
• 187.114.152.0/21
• 187.114.160.0/19
• 187.114.192.0/18
• 187.115.0.0/16
• 189.26.0.0/15
• 189.58.0.0/15
• 189.114.0.0/15
• 191.30.0.0/17
• 191.30.128.0/18
• 191.30.192.0/20
• 191.30.224.0/19
• 191.31.0.0/19
• 191.31.48.0/20
• 191.31.64.0/18
• 191.31.128.0/17
• 191.32.0.0/15
• 191.34.0.0/16
• 191.35.0.0/17
• 191.35.128.0/18
• 191.35.208.0/20
• 191.35.224.0/19
• 191.248.0.0/14
• 200.139.64.0/18
• 200.146.0.0/17
• 200.175.0.0/16
• 201.22.0.0/16
• 201.47.0.0/16
• 201.86.0.0/16
• 2804:1b0::/35
• 2804:1b0:e000::/35
• 2804:1b1::/32
• 2804:1b1:f800::/37
• 2804:1b2::/34
• 2804:1b2:4000::/36
• 2804:1b2:6000::/35
• 2804:1b2:8000::/34
• 2804:1b2:c100::/40
• 2804:1b2:d000::/38
• 2804:1b2:f000::/39
• 2804:1b2:f108::/45
• 2804:1b2:f110::/44
• 2804:1b2:f120::/43
• 2804:1b2:f140::/42
• 2804:1b2:f200::/39
• 2804:1b2:f400::/38
• 2804:1b2:f800::/37
• 2804:1b3:1000::/36
• 2804:1b3:3000::/39
• 2804:1b3:4000::/36
• 2804:1b3:6000::/35
• 2804:1b3:8000::/33
• 2804:7f0::/30
• 2804:7f3:e000::/35
• 2804:7f4::/30
• 2804:7f6:8000::/33
• 2804:7f7::/32

Upstream networks

• AS10429 TELEFONICA BRASIL S.A

Downstream networks

• AS267130 MULVI Instituicao de Pagamento S.A.

Adjacent networks

• AS10429 TELEFONICA BRASIL S.A
• AS267130 MULVI Instituicao de Pagamento S.A.

Internet exchanges

• IX.br (PTT.br) Campinas — Campinas, Brazil