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Autonomous System

AS28299

LWSA S/A

Announced IPs
24,576
CIDR prefixes
43
ASN
AS28299

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Traffic level 10-20Gbps
Geographic scope South America
Traffic ratio Heavy Outbound
Peering policy Selective
IRR record RADB::AS-KINGHOST

Present at 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
191.6.192.0/19 8.2K
54.6%
LWSA SA BR
177.12.160.0/20 4.1K
48.0%
LWSA SA BR São Paulo Cotia
177.185.192.0/20 4.1K
33.5%
LWSA SA BR
187.1.128.0/20 4.1K
43.4%
LWSA SA BR Rio Grande do Sul Porto Alegre
189.38.80.0/20 4.1K
30.8%
LWSA SA BR Rio Grande do Sul Porto Alegre
191.6.208.0/20 4.1K
62.2%
LWSA SA BR
177.12.168.0/21 2.0K
0.0%
LWSA S/A BR Paraná Curitiba
191.6.216.0/21 2.0K
61.0%
LWSA SA BR
177.12.160.0/22 1.0K
0.0%
LWSA S/A BR
177.12.168.0/22 1.0K
78.8%
LWSA SA BR
187.1.128.0/22 1.0K
50.4%
LWSA SA BR
187.1.136.0/22 1.0K
79.0%
LWSA SA BR
191.6.196.0/22 1.0K
88.2%
LWSA SA BR
191.6.212.0/22 1.0K
41.7%
LWSA SA BR
191.6.216.0/22 1.0K
54.1%
LWSA SA BR
177.12.162.0/23 512
34.0%
LWSA SA BR
177.12.166.0/23 512
55.3%
LWSA SA BR
177.185.192.0/23 512
4.3%
LWSA SA BR
187.1.128.0/23 512
30.5%
Locaweb Servicos de Internet SA BR
187.1.134.0/23 512
4.5%
LWSA SA BR
187.1.142.0/23 512
46.7%
LWSA SA BR
191.6.208.0/23 512
85.5%
LWSA SA BR
191.6.216.0/23 512
53.1%
LWSA S/A BR
191.6.220.0/23 512
51.4%
LWSA SA BR
177.12.161.0/24 256
24.2%
LWSA SA BR
177.12.165.0/24 256
37.9%
Locaweb Servicos de Internet SA BR
177.12.172.0/24 256
87.5%
LWSA SA BR
177.185.192.0/24 256
0.0%
LWSA S/A BR
177.185.197.0/24 256
5.5%
LWSA SA BR
177.185.204.0/24 256
10.5%
LWSA SA BR
187.1.129.0/24 256
40.6%
LWSA SA BR
187.1.130.0/24 256
66.4%
LWSA SA BR
187.1.132.0/24 256
29.7%
LWSA S/A BR
187.1.141.0/24 256
2.0%
LWSA SA BR
189.38.85.0/24 256
10.2%
LWSA SA BR
189.38.87.0/24 256
36.7%
LWSA SA BR
189.38.88.0/24 256
2.0%
LWSA SA BR
189.38.95.0/24 256
5.9%
LWSA SA BR
191.6.192.0/24 256
43.4%
LWSA SA BR
191.6.208.0/24 256
84.0%
LWSA SA BR
191.6.211.0/24 256
79.7%
Locaweb Servicos de Internet SA BR
191.6.219.0/24 256
25.0%
LWSA S/A BR
191.6.223.0/24 256
85.5%
LWSA SA 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.

PrefixAnnouncement samplesLast seen
177.12.164.0/22 68,824 2026-09-09 12:14:57
177.12.168.0/22 68,337 2026-09-09 12:17:31
177.12.160.0/22 68,286 2026-09-09 12:24:00
177.12.160.0/20 67,968 2026-09-09 12:23:20
177.12.168.0/21 67,895 2026-09-09 12:17:11
177.12.172.0/22 67,870 2026-09-09 12:03:26
177.12.160.0/21 67,669 2026-09-09 12:23:41
177.185.192.0/20 67,456 2026-09-09 12:03:26
191.6.192.0/22 67,231 2026-09-09 12:14:38
177.185.196.0/22 67,205 2026-09-09 12:03:26
189.38.84.0/22 67,178 2026-09-09 12:17:15
189.38.80.0/20 66,988 2026-09-09 12:15:21
187.1.128.0/22 66,978 2026-09-09 12:03:26
187.1.136.0/22 66,863 2026-09-09 12:03:26
187.1.140.0/22 66,857 2026-09-09 12:16:36
191.6.192.0/19 66,714 2026-09-09 12:15:46
191.6.196.0/22 66,698 2026-09-09 12:17:18
189.38.80.0/21 66,614 2026-09-09 12:15:00
191.6.212.0/22 66,585 2026-09-09 12:03:26
187.1.132.0/22 66,578 2026-09-09 12:21:10
189.38.92.0/22 66,570 2026-09-09 12:03:26
191.6.220.0/22 66,531 2026-09-09 12:24:10
191.6.216.0/22 66,518 2026-09-09 12:21:02
191.6.208.0/22 66,331 2026-09-09 12:03:26
187.1.128.0/20 66,190 2026-09-09 12:03:26
191.6.216.0/21 66,044 2026-09-09 12:19:38
191.6.192.0/21 65,997 2026-09-09 12:15:03
187.1.128.0/21 65,891 2026-09-09 12:03:26
187.1.136.0/21 65,603 2026-09-09 12:24:35
191.6.208.0/21 65,444 2026-09-09 12:03:26
191.6.218.0/23 47,613 2026-09-09 12:03:37
177.185.204.0/23 41,454 2026-09-09 12:03:36
191.6.222.0/23 41,027 2026-09-09 12:16:11
191.6.216.0/23 37,914 2026-09-09 12:20:39
177.185.192.0/23 37,248 2026-09-09 12:03:36
177.12.166.0/23 36,196 2026-09-09 12:19:01
191.6.192.0/23 35,850 2026-09-09 12:14:07
187.1.134.0/23 35,752 2026-09-09 12:20:45
191.6.210.0/23 35,632 2026-09-09 12:03:36
191.6.214.0/23 35,618 2026-09-09 12:22:26
191.6.208.0/23 35,614 2026-09-09 12:03:36
187.1.138.0/23 35,603 2026-09-09 12:23:53
191.6.212.0/23 35,599 2026-09-09 12:03:36
189.38.86.0/23 35,539 2026-09-09 12:03:36
187.1.130.0/23 33,890 2026-09-09 12:03:36
191.6.220.0/23 33,286 2026-09-09 12:23:48
177.12.168.0/23 32,379 2026-09-09 12:17:48
177.12.170.0/23 32,349 2026-09-09 12:17:08
177.12.172.0/23 32,213 2026-09-09 12:03:36
177.12.160.0/23 32,157 2026-09-09 12:24:21

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 24.6K IPv4 addresses distributed across 43 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.

Last updated: 2026-09-09 12:26:08 UTC
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