AS28573 is the autonomous system of Claro NXT Telecomunicacoes Ltda. It holds 9,953,024 IPv4 addresses in 308 prefixes plus 130 IPv6 ranges, mainly in 
Brazil.
By IPv4 addresses the network ranks #44 worldwide and #2 of 8,018 networks in Brazil. That is 11% of the country’s IPv4 space.
The network spreads across 2 countries: Brazil 100%, Mexico 0.01%.
The largest block is 191.176.0.0 to 191.185.223.255 with 647,168 addresses, geolocated to Brasília.
- IPv4 addresses
- 9,953,024
- IPv4 prefixes
- 308
- World rank
- #44
- Country share
- 11%
- IPv6 ranges
- 130
Addresses by country
Largest blocks
- 191.176.0.0 Brasília647,168
- 179.136.0.0 São José do Rio Preto524,288
- 179.216.80.0 Uruguaiana352,256
- 179.152.0.0 Alvorada333,824
- 179.211.96.0 Guaratinguetá294,912
- 201.80.0.0 Belo Horizonte262,144
- 191.188.0.0 São José do Rio Preto262,144
- 189.120.0.0 São Paulo262,144
Networks of similar size
10,651,392
10,503,680
10,382,592
9,426,688
9,169,408
8,822,784IPv4 prefixes
- 177.32.0.0/15
- 177.34.0.0/18
- 177.34.64.0/19
- 177.34.96.0/20
- 177.34.112.0/21
- 177.34.128.0/17
- 177.35.0.0/16
- 177.64.0.0/18
- 177.64.64.0/19
- 177.64.96.0/20
- 177.64.112.0/21
- 177.64.128.0/17
- 177.65.0.0/18
- 177.65.96.0/20
- 177.65.128.0/18
- 177.65.192.0/21
- 177.65.208.0/20
- 177.65.224.0/19
- 177.80.0.0/14
- 177.100.0.0/20
- 177.100.16.0/23
- 177.100.20.0/22
- 177.100.24.0/21
- 177.100.48.0/20
- 177.100.64.0/19
- 177.100.104.0/21
- 177.100.112.0/20
- 177.100.128.0/19
- 177.100.160.0/22
- 177.100.164.0/23
- 177.100.168.0/21
- 177.100.176.0/20
- 177.100.192.0/19
- 177.100.224.0/20
- 177.127.0.0/19
- 177.127.36.0/22
- 177.127.40.0/22
- 177.127.48.0/20
- 177.127.64.0/18
- 177.127.128.0/17
- 177.140.0.0/15
- 177.142.0.0/16
- 177.143.0.0/17
- 177.143.160.0/20
- 177.143.176.0/21
- 177.143.184.0/22
- 177.143.192.0/18
- 177.180.0.0/19
- 177.180.48.0/20
- 177.180.64.0/18
- 177.180.128.0/17
- 177.181.0.0/18
- 177.181.64.0/19
- 177.181.96.0/20
- 177.181.160.0/19
- 177.181.192.0/18
- 177.182.0.0/15
- 177.192.0.0/15
- 177.194.0.0/16
- 177.195.0.0/17
- 177.195.128.0/18
- 177.195.208.0/20
- 177.195.224.0/19
- 177.235.0.0/16
- 179.105.0.0/16
- 179.136.0.0/13
- 179.152.0.0/14
- 179.156.0.0/16
- 179.157.0.0/20
- 179.157.16.0/21
- 179.157.32.0/19
- 179.157.64.0/18
- 179.157.128.0/17
- 179.158.0.0/15
- 179.208.0.0/15
- 179.210.0.0/16
- 179.211.0.0/18
- 179.211.64.0/20
- 179.211.96.0/19
- 179.211.128.0/17
- 179.212.0.0/15
- 179.214.0.0/16
- 179.215.0.0/17
- 179.215.128.0/18
- 179.215.192.0/19
- 179.216.0.0/18
- 179.216.80.0/20
- 179.216.96.0/19
- 179.216.128.0/17
- 179.217.0.0/16
- 179.218.0.0/15
- 179.220.0.0/16
- 179.221.0.0/17
- 179.221.128.0/19
- 179.221.160.0/20
- 179.221.192.0/18
- 179.222.0.0/15
- 179.232.0.0/16
- 179.233.0.0/19
- 179.233.64.0/18
- 179.233.128.0/17
- 179.234.0.0/15
- 181.213.0.0/17
- 181.213.128.0/20
- 181.213.144.0/21
- 181.213.152.0/22
- 181.213.156.0/23
- 181.213.166.0/24
- 181.213.192.0/18
- 181.216.32.0/19
- 181.216.64.0/18
- 181.216.128.0/18
- 181.216.192.0/19
- 181.216.224.0/20
- 181.216.240.0/21
- 181.217.0.0/21
- 181.217.40.0/21
- 181.217.48.0/20
- 181.217.64.0/18
- 181.217.128.0/17
- 181.218.0.0/18
- 181.218.64.0/19
- 181.218.96.0/21
- 181.218.120.0/21
- 181.218.128.0/18
- 181.218.192.0/19
- 181.218.224.0/20
- 181.218.248.0/21
- 181.219.0.0/18
- 181.219.64.0/20
- 181.219.80.0/21
- 181.219.96.0/19
- 181.219.128.0/17
- 181.220.0.0/15
- 181.222.0.0/16
- 181.223.0.0/18
- 181.223.96.0/19
- 181.223.128.0/17
- 186.204.0.0/14
- 186.218.0.0/20
- 186.218.16.0/21
- 186.218.28.0/22
- 186.218.32.0/19
- 186.218.64.0/20
- 186.218.96.0/19
- 186.218.128.0/20
- 186.218.144.0/21
- 186.218.152.0/22
- 186.218.160.0/19
- 186.218.192.0/20
- 186.218.208.0/21
- 186.218.220.0/22
- 186.218.224.0/20
- 186.218.244.0/22
- 186.218.248.0/21
- 186.220.0.0/15
- 186.222.0.0/18
- 186.222.64.0/19
- 186.222.112.0/20
- 186.222.128.0/17
- 186.223.0.0/16
- 187.2.0.0/18
- 187.2.64.0/19
- 187.2.96.0/20
- 187.2.112.0/21
- 187.2.120.0/22
- 187.2.124.0/23
- 187.2.126.0/24
- 187.2.128.0/17
- 187.3.0.0/16
- 187.20.0.0/17
- 187.20.128.0/19
- 187.20.192.0/20
- 187.20.208.0/21
- 187.20.220.0/22
- 187.20.224.0/19
- 187.21.0.0/16
- 187.22.0.0/18
- 187.22.64.0/19
- 187.22.96.0/20
- 187.22.112.0/21
- 187.22.120.0/22
- 187.22.124.0/23
- 187.22.126.0/24
- 187.22.128.0/17
- 187.23.0.0/16
- 187.36.0.0/18
- 187.36.64.0/21
- 187.36.72.0/22
- 187.36.78.0/23
- 187.36.80.0/20
- 187.36.96.0/19
- 187.36.128.0/17
- 187.37.0.0/16
- 187.38.0.0/15
- 187.64.0.0/17
- 187.64.128.0/18
- 187.64.192.0/19
- 187.65.0.0/16
- 187.66.0.0/17
- 187.66.128.0/19
- 187.66.160.0/20
- 187.66.184.0/21
- 187.66.192.0/18
- 187.67.0.0/16
- 187.104.0.0/17
- 187.104.128.0/18
- 187.104.192.0/19
- 187.105.0.0/18
- 187.105.64.0/20
- 187.105.80.0/21
- 187.105.88.0/23
- 187.105.92.0/23
- 187.105.96.0/19
- 187.105.128.0/17
- 187.106.0.0/16
- 187.107.0.0/18
- 187.107.64.0/19
- 187.107.96.0/21
- 187.107.112.0/20
- 187.107.128.0/17
- 187.122.0.0/16
- 187.123.0.0/17
- 187.123.128.0/18
- 187.123.224.0/20
- 187.123.240.0/21
- 187.180.0.0/14
- 187.255.0.0/16
- 189.4.0.0/14
- 189.14.128.0/20
- 189.14.144.0/22
- 189.14.148.0/23
- 189.14.152.0/21
- 189.14.160.0/19
- 189.29.0.0/16
- 189.32.0.0/18
- 189.32.64.0/19
- 189.32.112.0/20
- 189.32.128.0/17
- 189.33.0.0/16
- 189.34.0.0/18
- 189.34.80.0/21
- 189.34.96.0/19
- 189.34.128.0/17
- 189.35.0.0/17
- 189.35.128.0/18
- 189.35.192.0/20
- 189.35.208.0/21
- 189.35.224.0/19
- 189.39.144.0/20
- 189.54.0.0/16
- 189.55.0.0/18
- 189.55.96.0/20
- 189.55.112.0/21
- 189.55.120.0/22
- 189.55.124.0/23
- 189.55.126.0/24
- 189.55.128.0/20
- 189.55.152.0/21
- 189.55.160.0/19
- 189.55.192.0/18
- 189.60.0.0/14
- 189.100.0.0/14
- 189.120.0.0/14
- 189.126.16.0/20
- 189.219.232.0/23
- 189.219.237.0/24
- 189.219.238.0/24
- 191.176.0.0/13
- 191.184.0.0/16
- 191.185.0.0/17
- 191.185.128.0/18
- 191.185.192.0/19
- 191.186.0.0/18
- 191.186.80.0/20
- 191.186.96.0/19
- 191.186.128.0/18
- 191.186.192.0/20
- 191.186.216.0/21
- 191.186.224.0/19
- 191.187.0.0/17
- 191.187.128.0/18
- 191.187.192.0/19
- 191.187.224.0/20
- 191.187.240.0/21
- 191.188.0.0/14
- 200.155.192.0/23
- 200.160.96.0/20
- 200.189.80.0/20
- 201.6.0.0/16
- 201.17.0.0/16
- 201.21.128.0/17
- 201.37.64.0/18
- 201.37.128.0/18
- 201.46.240.0/20
- 201.52.0.0/16
- 201.53.192.0/18
- 201.55.224.0/20
- 201.62.96.0/22
- 201.62.101.0/24
and 8 more prefixes
Questions and answers
Who owns AS28573?
Autonomous system AS28573 is operated by Claro NXT Telecomunicacoes Ltda.
How many IP addresses does AS28573 have?
The network holds 9,953,024 IPv4 addresses in 308 prefixes, plus 130 IPv6 ranges.
Which country is AS28573 in?
The main country is Brazil, with addresses in 1 more countries.
How big is AS28573?
By IPv4 addresses it ranks #44 worldwide.
What is the largest address block of AS28573?
191.176.0.0 to 191.185.223.255, 647,168 addresses.