Brazil · ISP
AS28573
Claro NXT Telecomunicações Ltda
ISP LACNIC CLARO-NXT
Claro, including the former NET cable network. Between Vivo and Claro you have most of Brazilian residential space.
ISP — Residential eyeball network. Addresses here look like customers, because they are.
- Announced prefixes
- 4
- 4 IPv4 · 0 IPv6
- IPv4 addresses
- 2.6M
- across the blocks listed below
- Largest block
- /12
- smallest prefix length announced
- Registry
- LACNIC
- CLARO-NXT
01 Ranges
Announced ranges
The blocks AS28573 advertises to the rest of the internet in this snapshot. A production routing table carries more — large carriers de-aggregate for traffic engineering — so treat the totals as a floor.
Matched in your browser against the 4 blocks below. Nothing is sent anywhere.
IPv4 — 4 blocks
| Prefix | First address | Last address | Addresses |
|---|---|---|---|
| 179.184.0.0/13 | 179.184.0.0 | 179.191.255.255 | 524,288 |
| 187.0.0.0/12 | 187.0.0.0 | 187.15.255.255 | 1,048,576 |
| 191.240.0.0/13 | 191.240.0.0 | 191.247.255.255 | 524,288 |
| 201.16.0.0/13 | 201.16.0.0 | 201.23.255.255 | 524,288 |
No IPv6 announcement recorded for AS28573 in this snapshot. That is common for networks whose v6 deployment sits behind a separate AS number.