AS28576
Instituto de Tecnologia Informacao Brasil
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 187.73.128.0/21 | 2.0K |
48.4%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 189.38.24.0/21 | 2.0K |
24.3%
|
Instituto de Tecnologia Informacao Brasil | BR | São Paulo | São Paulo |
| 200.220.152.0/21 | 2.0K |
52.3%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 200.220.144.0/22 | 1.0K |
26.1%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 189.38.16.0/23 | 512 |
0.0%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 189.38.20.0/23 | 512 |
0.0%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 200.220.148.0/23 | 512 |
6.1%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
| 189.38.19.0/24 | 256 |
0.0%
|
Instituto de Tecnologia Informacao Brasil | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28576 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 200.220.144.0/22 | 182,556 | 2026-10-20 22:33:24 |
| 200.220.152.0/21 | 182,463 | 2026-10-20 22:33:24 |
| 187.73.128.0/21 | 182,371 | 2026-10-20 22:33:24 |
| 200.220.148.0/23 | 181,846 | 2026-10-20 22:33:24 |
| 189.38.20.0/23 | 181,419 | 2026-10-20 22:33:24 |
| 200.220.157.0/24 | 139,359 | 2026-10-20 22:33:28 |
| 200.220.156.0/24 | 139,330 | 2026-10-20 22:33:28 |
| 187.73.130.0/24 | 139,011 | 2026-10-20 22:33:28 |
| 187.73.132.0/24 | 138,895 | 2026-10-20 22:33:28 |
| 200.220.146.0/24 | 138,837 | 2026-10-20 22:33:28 |
| 189.38.24.0/21 | 137,606 | 2026-10-20 22:33:52 |
| 189.38.16.0/22 | 99,817 | 2026-08-06 03:52:35 |
| 189.38.16.0/23 | 83,977 | 2026-10-20 22:33:24 |
| 189.38.19.0/24 | 83,785 | 2026-10-20 22:33:36 |
Frequently Asked Questions
What is AS28576?
AS28576 is an Autonomous System Number assigned to Instituto de Tecnologia Informacao Brasil. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS28576 announce?
AS28576 announces 9.0K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS28576?
AS28576 is operated by Instituto de Tecnologia Informacao Brasil. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS28576 registered in?
AS28576 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
