Autonomous System
AS28159 PRODERJ - Centro de Tecnologia da Informação do RJ
GovernmentActiveBrazilLACNIC
AS28159 (AS28159) is a government network operated by PRODERJ - Centro de Tecnologia da Informação do RJ in Brazil, registered with LACNIC. It has 13 IPv4 prefixes with 21,760 addresses, which makes it the 6,517th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses21,760in 13 prefixes
IPv6 prefixes0none
Size rank#6,517of 82,283 active ASNs
Details
OrganizationPRODERJ - Centro de Tecnologia da Informação do RJ
AS nameAS28159
Websiterj.gov.br
Country Brazil (BR)
Network typeGovernment
RegistryLACNIC
Abuse contactdaniellima@proderj.rj.gov.br
Registered20090521
Last updated20260609
IPv4 prefixes
13 prefixes · 21,760 addresses| Network | Addresses | First – last address |
|---|---|---|
| 200.156.32.0/19 | 8,192 | 200.156.32.0 – 200.156.63.255 |
| 187.62.128.0/20 | 4,096 | 187.62.128.0 – 187.62.143.255 |
| 200.20.32.0/20 | 4,096 | 200.20.32.0 – 200.20.47.255 |
| 200.20.48.0/21 | 2,048 | 200.20.48.0 – 200.20.55.255 |
| 200.20.28.0/22 | 1,024 | 200.20.28.0 – 200.20.31.255 |
| 187.62.128.0/23 | 512 | 187.62.128.0 – 187.62.129.255 |
| 187.62.128.0/24 | 256 | 187.62.128.0 – 187.62.128.255 |
| 187.62.129.0/24 | 256 | 187.62.129.0 – 187.62.129.255 |
| 187.62.131.0/24 | 256 | 187.62.131.0 – 187.62.131.255 |
| 187.62.135.0/24 | 256 | 187.62.135.0 – 187.62.135.255 |
| 187.62.136.0/24 | 256 | 187.62.136.0 – 187.62.136.255 |
| 187.62.137.0/24 | 256 | 187.62.137.0 – 187.62.137.255 |
| 200.20.30.0/24 | 256 | 200.20.30.0 – 200.20.30.255 |
200.156.32.0/19 187.62.128.0/20 200.20.32.0/20 200.20.48.0/21 200.20.28.0/22 187.62.128.0/23 187.62.128.0/24 187.62.129.0/24 187.62.131.0/24 187.62.135.0/24 187.62.136.0/24 187.62.137.0/24 200.20.30.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS28159 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=AS28159&key=YOUR_API_KEY"Any address in its prefixes resolves to AS28159, with or without a key:
curl "https://api.ipapi.is/?q=200.156.32.1"Largest networks in Brazil
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