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
- Trust score 65 / 100
Experimental · trust-vectors model v1.3.0 — 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 |
|---|---|---|---|---|---|---|
| 177.12.160.0/20 | 4.1K |
52.0%
|
LWSA S/A | BR | São Paulo | Cotia |
| 187.1.136.0/22 | 1.0K |
80.8%
|
LWSA S/A | BR | — | — |
| 191.6.196.0/22 | 1.0K |
96.4%
|
LWSA S/A | BR | — | — |
| 191.6.212.0/22 | 1.0K |
47.3%
|
LWSA S/A | BR | — | — |
| 191.6.216.0/22 | 1.0K |
59.6%
|
LWSA S/A | BR | — | — |
| 177.185.192.0/23 | 512 |
4.3%
|
LWSA S/A | BR | — | — |
| 187.1.128.0/23 | 512 |
31.1%
|
LWSA S/A | BR | — | — |
| 187.1.134.0/23 | 512 |
4.9%
|
LWSA S/A | BR | — | — |
| 187.1.142.0/23 | 512 |
47.1%
|
LWSA S/A | BR | — | — |
| 191.6.208.0/23 | 512 |
91.6%
|
LWSA S/A | BR | — | — |
| 191.6.220.0/23 | 512 |
52.7%
|
LWSA S/A | BR | — | — |
| 177.185.197.0/24 | 256 |
5.9%
|
LWSA S/A | BR | — | — |
| 177.185.204.0/24 | 256 |
12.1%
|
LWSA S/A | BR | — | — |
| 187.1.130.0/24 | 256 |
69.1%
|
LWSA S/A | BR | — | — |
| 187.1.141.0/24 | 256 |
2.0%
|
LWSA S/A | BR | — | — |
| 189.38.85.0/24 | 256 |
11.7%
|
LWSA S/A | BR | — | — |
| 189.38.87.0/24 | 256 |
39.1%
|
LWSA S/A | BR | — | — |
| 189.38.88.0/24 | 256 |
2.3%
|
LWSA S/A | BR | — | — |
| 189.38.95.0/24 | 256 |
5.5%
|
LWSA S/A | BR | — | — |
| 191.6.192.0/24 | 256 |
46.9%
|
LWSA S/A | BR | — | — |
| 191.6.211.0/24 | 256 |
94.1%
|
LWSA S/A | BR | — | — |
| 191.6.223.0/24 | 256 |
89.1%
|
LWSA S/A | BR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28299 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 |
|---|---|---|
| 177.12.164.0/22 | 78,457 | 2026-10-29 12:27:29 |
| 177.12.168.0/21 | 78,076 | 2026-10-29 12:27:29 |
| 177.12.168.0/22 | 77,831 | 2026-10-29 12:27:29 |
| 177.12.160.0/21 | 77,733 | 2026-10-29 12:27:29 |
| 177.12.160.0/22 | 77,683 | 2026-10-29 12:27:29 |
| 177.12.160.0/20 | 77,346 | 2026-10-29 12:27:29 |
| 177.12.172.0/22 | 77,292 | 2026-10-29 12:34:06 |
| 189.38.80.0/21 | 76,860 | 2026-10-29 12:27:29 |
| 191.6.192.0/22 | 76,797 | 2026-10-29 12:27:29 |
| 177.185.192.0/20 | 76,765 | 2026-10-29 12:33:55 |
| 189.38.84.0/22 | 76,605 | 2026-10-29 12:27:29 |
| 177.185.196.0/22 | 76,564 | 2026-10-29 12:27:29 |
| 189.38.80.0/20 | 76,518 | 2026-10-29 12:27:29 |
| 191.6.192.0/21 | 76,316 | 2026-10-29 12:27:29 |
| 187.1.140.0/22 | 76,297 | 2026-10-29 12:27:29 |
| 187.1.128.0/22 | 76,272 | 2026-10-29 12:30:47 |
| 191.6.192.0/19 | 76,206 | 2026-10-29 12:27:29 |
| 187.1.136.0/22 | 76,195 | 2026-10-29 12:27:29 |
| 191.6.216.0/21 | 76,191 | 2026-10-29 12:27:29 |
| 191.6.196.0/22 | 76,097 | 2026-10-29 12:27:29 |
| 187.1.132.0/22 | 75,907 | 2026-10-29 12:27:29 |
| 189.38.92.0/22 | 75,903 | 2026-10-29 12:27:29 |
| 191.6.212.0/22 | 75,898 | 2026-10-29 12:30:39 |
| 191.6.220.0/22 | 75,892 | 2026-10-29 12:27:29 |
| 187.1.128.0/21 | 75,878 | 2026-10-29 12:31:51 |
| 191.6.216.0/22 | 75,865 | 2026-10-29 12:27:29 |
| 191.6.208.0/22 | 75,676 | 2026-10-29 12:27:29 |
| 187.1.136.0/21 | 75,627 | 2026-10-29 12:27:29 |
| 191.6.208.0/21 | 75,526 | 2026-10-29 12:27:39 |
| 187.1.128.0/20 | 75,486 | 2026-10-29 12:31:29 |
| 191.6.218.0/23 | 61,607 | 2026-10-29 12:27:31 |
| 177.185.204.0/23 | 54,254 | 2026-10-29 12:31:45 |
| 191.6.222.0/23 | 53,884 | 2026-10-29 12:27:31 |
| 191.6.216.0/23 | 51,241 | 2026-10-29 12:27:31 |
| 177.185.192.0/23 | 48,234 | 2026-10-29 12:34:17 |
| 177.12.166.0/23 | 46,477 | 2026-10-29 12:27:29 |
| 191.6.192.0/23 | 46,326 | 2026-10-29 12:27:29 |
| 187.1.134.0/23 | 45,977 | 2026-10-29 12:27:29 |
| 191.6.210.0/23 | 45,907 | 2026-10-29 12:31:04 |
| 191.6.214.0/23 | 45,905 | 2026-10-29 12:27:29 |
| 191.6.208.0/23 | 45,876 | 2026-10-29 12:27:29 |
| 191.6.212.0/23 | 45,859 | 2026-10-29 12:30:18 |
| 187.1.138.0/23 | 45,782 | 2026-10-29 12:27:29 |
| 189.38.86.0/23 | 45,758 | 2026-10-29 12:33:29 |
| 191.6.220.0/23 | 45,272 | 2026-10-29 12:27:31 |
| 187.1.130.0/23 | 43,951 | 2026-10-29 12:29:40 |
| 177.12.168.0/23 | 40,854 | 2026-10-29 12:27:29 |
| 177.12.170.0/23 | 40,824 | 2026-10-29 12:27:29 |
| 177.12.172.0/23 | 40,660 | 2026-10-29 12:33:44 |
| 177.12.160.0/23 | 40,605 | 2026-10-29 12:27:29 |
Showing top 50 of 62 announced prefixes by sample volume.
Frequently Asked Questions
What is AS28299?
AS28299 is an Autonomous System Number assigned to LWSA S/A. 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 AS28299 announce?
AS28299 announces 14.1K IPv4 addresses distributed across 22 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS28299?
AS28299 is operated by LWSA S/A. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS28299 registered in?
AS28299 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
