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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 3 internet exchanges: IX.br (PTT.br) Porto Alegre: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Rio de Janeiro: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 45.168.128.0/22 | 1.0K |
90.4%
|
CB NET TELECOM LTDA | BR | Rio Grande do Sul | Santa Cruz do Sul |
| 131.0.204.0/22 | 1.0K |
89.5%
|
CB NET TELECOM LTDA | BR | Rio Grande do Sul | Soledade |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS61729 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 |
|---|---|---|
| 45.168.128.0/22 | 21,337 | 2026-07-30 23:47:15 |
| 131.0.204.0/22 | 12,826 | 2026-07-30 23:18:08 |
| 131.0.205.0/24 | 11,070 | 2026-07-03 08:20:13 |
| 131.0.206.0/23 | 1,615 | 2026-07-30 23:18:24 |
| 131.0.204.0/23 | 1,613 | 2026-07-30 23:18:24 |
| 45.168.128.0/23 | 1,026 | 2026-07-30 23:18:24 |
| 45.168.130.0/23 | 1,022 | 2026-07-30 23:18:24 |
| 131.0.204.0/24 | 621 | 2026-06-29 14:43:09 |
| 131.0.207.0/24 | 613 | 2026-06-29 14:43:09 |
| 131.0.206.0/24 | 612 | 2026-06-29 14:43:09 |
Frequently Asked Questions
What is AS61729?
AS61729 is an Autonomous System Number assigned to CB NET TELECOM 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 AS61729 announce?
AS61729 announces 2.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS61729?
AS61729 is operated by CB NET TELECOM LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS61729 registered in?
AS61729 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
