Autonomous System

AS18881 TELEFÔNICA BRASIL S.A.

ISPActiveBrazilLACNIC

AS18881 (AS18881) is an ISP network operated by TELEFÔNICA BRASIL S.A. in Brazil, registered with LACNIC. It has 948 IPv4 prefixes with 8,800,768 addresses and 72 IPv6 prefixes, which makes it the 75th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses8,800,768in 948 prefixes
IPv6 prefixes72≈ 8.2 × 10²⁹ addresses
Size rank#75of 82,283 active ASNs
Abuser scoreLow0.06% of its addresses flagged · method

Details

OrganizationTELEFÔNICA BRASIL S.A.
AS nameAS18881
Websitetelefonica.com.br
Country Brazil (BR)
Network typeISP
RegistryLACNIC
Abuse contactdominios-vivo.br@telefonica.com
Registered20001023
Last updated20190730

IPv4 prefixes

948 prefixes · 8,800,768 addresses
NetworkAddressesFirst – last address
177.16.0.0/14262,144177.16.0.0 – 177.19.255.255
177.40.0.0/14262,144177.40.0.0 – 177.43.255.255
177.96.0.0/14262,144177.96.0.0 – 177.99.255.255
177.132.0.0/14262,144177.132.0.0 – 177.135.255.255
177.156.0.0/14262,144177.156.0.0 – 177.159.255.255
177.204.0.0/14262,144177.204.0.0 – 177.207.255.255
179.176.0.0/14262,144179.176.0.0 – 179.179.255.255
179.180.0.0/14262,144179.180.0.0 – 179.183.255.255
179.184.0.0/14262,144179.184.0.0 – 179.187.255.255
186.212.0.0/14262,144186.212.0.0 – 186.215.255.255
187.112.0.0/14262,144187.112.0.0 – 187.115.255.255
191.32.0.0/14262,144191.32.0.0 – 191.35.255.255
191.248.0.0/14262,144191.248.0.0 – 191.251.255.255
187.58.0.0/15131,072187.58.0.0 – 187.59.255.255
189.26.0.0/15131,072189.26.0.0 – 189.27.255.255
189.58.0.0/15131,072189.58.0.0 – 189.59.255.255
189.114.0.0/15131,072189.114.0.0 – 189.115.255.255
179.95.0.0/1665,536179.95.0.0 – 179.95.255.255
187.112.0.0/1665,536187.112.0.0 – 187.112.255.255
191.30.0.0/1665,536191.30.0.0 – 191.30.255.255
191.31.0.0/1665,536191.31.0.0 – 191.31.255.255
201.22.0.0/1665,536201.22.0.0 – 201.22.255.255
177.17.128.0/1732,768177.17.128.0 – 177.17.255.255
179.131.128.0/1732,768179.131.128.0 – 179.131.255.255
187.113.128.0/1732,768187.113.128.0 – 187.113.255.255
The 25 largest of 948. The API and the database have all of them.

IPv6 prefixes

72 prefixes
  • 2804:1b1::/33
  • 2804:7f0:8000::/33
  • 2804:7f1::/33
  • 2804:7f1:8000::/33
  • 2804:7f2:8000::/33
  • 2804:7f3::/33
  • 2804:7f4::/33
  • 2804:7f5::/33
  • 2804:7f5:8000::/33
  • 2804:7f6:8000::/33
  • 2804:1b1:8000::/34
  • 2804:7f0:4000::/34
  • 2804:7f2:4000::/34
  • 2804:7f4:8000::/34
  • 2804:7f4:c000::/34
  • 2804:7f6::/34
  • 2804:7f7:4000::/34
  • 2804:1b0::/35
  • 2804:1b0:e000::/35
  • 2804:1b1:c000::/35
  • 2804:1b2::/35
  • 2804:1b2:2000::/35
  • 2804:1b2:6000::/35
  • 2804:1b2:8000::/35
  • 2804:1b3:c000::/35
The 25 largest of 72. The API and the database have all of them.

Query AS18881 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS18881&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18881, with or without a key:

curl "https://api.ipapi.is/?q=177.16.0.1"

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