Autonomous System

AS28209 Under Servicos de Internet Ltda

ISPActiveBrazilLACNIC

AS28209 (AS28209) is an ISP network operated by Under Servicos de Internet Ltda in Brazil, registered with LACNIC. It has 36 IPv4 prefixes with 47,616 addresses and 7 IPv6 prefixes, which makes it the 4,435th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses47,616in 36 prefixes
IPv6 prefixes7≈ 9.4 × 10²⁸ addresses
Size rank#4,435of 82,200 active ASNs
Abuser scoreLow0.14% of its addresses flagged · method

Details

OrganizationUnder Servicos de Internet Ltda
AS nameAS28209
Websiteunder.com.br
Country Brazil (BR)
Network typeISP
RegistryLACNIC
Abuse contacthostmaster@under.com.br
Registered20080508
Last updated20210608

IPv4 prefixes

36 prefixes · 47,616 addresses
NetworkAddressesFirst – last address
177.70.0.0/198,192177.70.0.0 – 177.70.31.255
177.70.0.0/204,096177.70.0.0 – 177.70.15.255
177.70.16.0/204,096177.70.16.0 – 177.70.31.255
189.113.0.0/204,096189.113.0.0 – 189.113.15.255
189.113.0.0/212,048189.113.0.0 – 189.113.7.255
189.113.8.0/212,048189.113.8.0 – 189.113.15.255
177.70.0.0/221,024177.70.0.0 – 177.70.3.255
177.70.4.0/221,024177.70.4.0 – 177.70.7.255
177.70.8.0/221,024177.70.8.0 – 177.70.11.255
177.70.12.0/221,024177.70.12.0 – 177.70.15.255
177.70.20.0/221,024177.70.20.0 – 177.70.23.255
177.70.24.0/221,024177.70.24.0 – 177.70.27.255
177.70.28.0/221,024177.70.28.0 – 177.70.31.255
179.127.0.0/221,024179.127.0.0 – 179.127.3.255
179.127.4.0/221,024179.127.4.0 – 179.127.7.255
179.127.16.0/221,024179.127.16.0 – 179.127.19.255
179.127.20.0/221,024179.127.20.0 – 179.127.23.255
179.127.24.0/221,024179.127.24.0 – 179.127.27.255
179.127.28.0/221,024179.127.28.0 – 179.127.31.255
189.113.0.0/221,024189.113.0.0 – 189.113.3.255
189.113.4.0/221,024189.113.4.0 – 189.113.7.255
189.113.8.0/221,024189.113.8.0 – 189.113.11.255
189.113.12.0/221,024189.113.12.0 – 189.113.15.255
177.70.24.0/23512177.70.24.0 – 177.70.25.255
179.127.8.0/23512179.127.8.0 – 179.127.9.255
The 25 largest of 36. The API and the database have all of them.

IPv6 prefixes

7 prefixes
  • 2804:1070::/32
  • 2804:1070:2000::/36
  • 2804:1070:4000::/36
  • 2804:d4::/37
  • 2804:d4:800::/37
  • 2804:1070:1::/48
  • 2804:1070:2::/48

Query AS28209 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=AS28209&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS28209, with or without a key:

curl "https://api.ipapi.is/?q=177.70.0.1"

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