Autonomous System

AS28573 Claro NXT Telecomunicacoes Ltda

ISPActiveBrazilLACNIC

AS28573 (AS28573) is an ISP network operated by Claro NXT Telecomunicacoes Ltda in Brazil, registered with LACNIC. It has 1,400 IPv4 prefixes with 10,095,104 addresses and 1,663 IPv6 prefixes, which makes it the 68th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses10,095,104in 1,400 prefixes
IPv6 prefixes1,663≈ 4.5 × 10²⁸ addresses
Size rank#68of 82,558 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationClaro NXT Telecomunicacoes Ltda
AS nameAS28573
Websiteclaro.com.br
Country Brazil (BR)
Network typeISP
RegistryLACNIC
Abuse contactvirtua@virtua.com.br
Registered20031127
Last updated20230105

IPv4 prefixes

1,400 prefixes · 10,095,104 addresses
NetworkAddressesFirst – last address
179.136.0.0/14262,144179.136.0.0 – 179.139.255.255
179.140.0.0/15131,072179.140.0.0 – 179.141.255.255
179.142.0.0/15131,072179.142.0.0 – 179.143.255.255
177.32.0.0/1665,536177.32.0.0 – 177.32.255.255
177.33.0.0/1665,536177.33.0.0 – 177.33.255.255
177.80.0.0/1665,536177.80.0.0 – 177.80.255.255
177.81.0.0/1665,536177.81.0.0 – 177.81.255.255
177.140.0.0/1665,536177.140.0.0 – 177.140.255.255
177.141.0.0/1665,536177.141.0.0 – 177.141.255.255
177.142.0.0/1665,536177.142.0.0 – 177.142.255.255
177.192.0.0/1665,536177.192.0.0 – 177.192.255.255
177.235.0.0/1665,536177.235.0.0 – 177.235.255.255
179.158.0.0/1665,536179.158.0.0 – 179.158.255.255
179.159.0.0/1665,536179.159.0.0 – 179.159.255.255
179.208.0.0/1665,536179.208.0.0 – 179.208.255.255
179.209.0.0/1665,536179.209.0.0 – 179.209.255.255
179.210.0.0/1665,536179.210.0.0 – 179.210.255.255
179.212.0.0/1665,536179.212.0.0 – 179.212.255.255
179.218.0.0/1665,536179.218.0.0 – 179.218.255.255
186.204.0.0/1665,536186.204.0.0 – 186.204.255.255
186.205.0.0/1665,536186.205.0.0 – 186.205.255.255
186.220.0.0/1665,536186.220.0.0 – 186.220.255.255
186.221.0.0/1665,536186.221.0.0 – 186.221.255.255
187.37.0.0/1665,536187.37.0.0 – 187.37.255.255
187.38.0.0/1665,536187.38.0.0 – 187.38.255.255
The 25 largest of 1,400. The API and the database have all of them.

IPv6 prefixes

1,663 prefixes
  • 2804:14c::/40
  • 2804:14c:100::/40
  • 2804:14c:200::/40
  • 2804:14c:300::/40
  • 2804:14c:400::/40
  • 2804:14c:3b00::/40
  • 2804:14c:3d00::/40
  • 2804:14c:3f00::/40
  • 2804:14c:4100::/40
  • 2804:14c:4300::/40
  • 2804:14c:4500::/40
  • 2804:14c:4700::/40
  • 2804:14c:5500::/40
  • 2804:14c:5700::/40
  • 2804:14c:5900::/40
  • 2804:14c:5b00::/40
  • 2804:14c:5d00::/40
  • 2804:14c:5f00::/40
  • 2804:14c:6100::/40
  • 2804:14c:6300::/40
  • 2804:14c:6500::/40
  • 2804:14c:6b00::/40
  • 2804:14c:6f00::/40
  • 2804:14c:7500::/40
  • 2804:14c:7700::/40
The 25 largest of 1,663. The API and the database have all of them.

Query AS28573 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=AS28573&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS28573, with or without a key:

curl "https://api.ipapi.is/?q=179.136.0.1"

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