AS263099
STIW Sistema de Telecom. Inf e Wireless LTDA
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
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Rio de Janeiro: ATM/MPLA
AS263099 — global IP footprint
Cities where AS263099 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 186.225.176.0/21 | 2.0K |
0.0%
|
STIW Sistema de Telecom. Inf e Wireless LTDA | BR | Minas Gerais | Capelinha |
| 143.137.156.0/22 | 1.0K |
0.0%
|
STIW Sistema de Telecom. Inf e Wireless LTDA | BR | Minas Gerais | Capelinha |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS263099 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 |
|---|---|---|
| 143.137.156.0/22 | 49,362 | 2026-07-30 21:32:13 |
| 186.225.176.0/21 | 48,878 | 2026-07-30 21:32:13 |
| 186.225.176.0/23 | 46,122 | 2026-07-30 22:08:04 |
| 186.225.178.0/23 | 46,059 | 2026-07-30 21:32:15 |
| 143.137.158.0/23 | 46,038 | 2026-07-30 21:32:13 |
| 186.225.182.0/23 | 45,048 | 2026-07-30 21:32:13 |
| 186.225.180.0/23 | 44,275 | 2026-07-30 21:32:13 |
| 143.137.156.0/23 | 37,557 | 2026-07-30 21:32:13 |
| 186.225.180.0/24 | 5,956 | 2026-07-30 22:29:54 |
| 143.137.159.0/24 | 3,463 | 2026-07-30 20:18:46 |
| 143.137.156.0/24 | 3,427 | 2026-07-30 20:18:46 |
| 143.137.157.0/24 | 3,426 | 2026-07-30 20:18:46 |
| 143.137.158.0/24 | 3,425 | 2026-07-30 20:18:46 |
| 186.225.182.0/24 | 3,424 | 2026-07-30 20:18:46 |
| 186.225.179.0/24 | 3,422 | 2026-07-30 20:19:00 |
| 186.225.183.0/24 | 3,418 | 2026-07-30 20:19:00 |
| 186.225.181.0/24 | 3,418 | 2026-07-30 20:18:46 |
| 186.225.177.0/24 | 3,406 | 2026-07-30 20:18:46 |
| 186.225.178.0/24 | 3,403 | 2026-07-30 20:18:46 |
Frequently Asked Questions
What is AS263099?
AS263099 is an Autonomous System Number assigned to STIW Sistema de Telecom. Inf e Wireless LTDA. 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 AS263099 announce?
AS263099 announces 3.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS263099?
AS263099 is operated by STIW Sistema de Telecom. Inf e Wireless LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS263099 registered in?
AS263099 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
