AS28580 is the autonomous system of Cilnet Comunicação e Informática S.A.. It holds 77,824 IPv4 addresses in 25 prefixes plus 5 IPv6 ranges, mainly in 
Brazil.
By IPv4 addresses the network ranks #2,220 worldwide and #42 of 8,018 networks in Brazil. That is 0.09% of the country’s IPv4 space.
The largest block is 186.224.128.0 to 186.224.191.255 with 16,384 addresses, geolocated to Boituva (Vila Ginasial).
- IPv4 addresses
- 77,824
- IPv4 prefixes
- 25
- World rank
- #2,220
- Country share
- 0.09%
- IPv6 ranges
- 5
Addresses by country
- Brazil 100%
Largest blocks
- 186.224.128.0 Boituva (Vila Ginasial)16,384
- 201.46.32.0 Salto8,192
- 189.28.224.0 Boituva (Vila Ginasial)8,192
- 187.45.0.0 Boituva (Vila Ginasial)8,192
- 200.187.80.0 Boituva (Vila Ginasial)4,096
- 191.253.240.0 Boituva (Vila Ginasial)4,096
- 189.51.208.0 Porangaba4,096
- 187.84.0.0 Cerquilho4,096
Networks of similar size
- AS3377 Verizon Business
78,336 - AS25367 Proximus Luxembourg S.A.
78,080 - AS8595 OOO WestCall Ltd.
77,824 - AS747 Headquarters, USAISC77,824
- AS38628 HIMEJI CABLE TELEVISION CORPORATION
77,824 - AS693 University of Notre Dame77,824
- AS8248 Computer Technology Institute and Press "Diophantus"
77,824 - AS19255 YOUR.ORG, INC.77,824
IPv4 prefixes
- 45.7.204.0/22
- 45.166.124.0/22
- 45.170.140.0/22
- 45.224.76.0/22
- 45.237.16.0/22
- 138.0.180.0/22
- 138.122.68.0/22
- 138.186.180.0/22
- 143.0.232.0/22
- 168.90.184.0/22
- 168.194.4.0/22
- 168.194.228.0/22
- 170.245.20.0/22
- 170.247.116.0/22
- 177.85.40.0/22
- 177.101.48.0/20
- 186.224.128.0/18
- 187.45.0.0/19
- 187.84.0.0/20
- 189.28.224.0/19
- 189.51.208.0/20
- 191.253.240.0/20
- 200.187.80.0/20
- 201.46.32.0/19
- 201.150.100.0/22
Questions and answers
Who owns AS28580?
Autonomous system AS28580 is operated by Cilnet Comunicação e Informática S.A..
How many IP addresses does AS28580 have?
The network holds 77,824 IPv4 addresses in 25 prefixes, plus 5 IPv6 ranges.
Which country is AS28580 in?
The main country is Brazil.
How big is AS28580?
By IPv4 addresses it ranks #2,220 worldwide.
What is the largest address block of AS28580?
186.224.128.0 to 186.224.191.255, 16,384 addresses.