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 v1.2.0 — 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
AS61665 — global IP footprint
Cities where AS61665 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 |
|---|---|---|---|---|---|---|
| 131.108.72.0/22 | 1.0K |
0.0%
|
ROMICROS BRASIL LTDA | BR | Bahia | Camacan |
| 170.231.164.0/22 | 1.0K |
0.0%
|
ROMICROS BRASIL LTDA | BR | Bahia | Pau Brasil |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS61665 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 |
|---|---|---|
| 131.108.73.0/24 | 39,347 | 2026-07-28 23:19:34 |
| 131.108.75.0/24 | 39,296 | 2026-07-28 23:19:37 |
| 170.231.164.0/24 | 38,606 | 2026-07-28 23:19:43 |
| 170.231.165.0/24 | 38,330 | 2026-07-28 23:19:37 |
| 170.231.166.0/24 | 38,303 | 2026-07-28 23:19:37 |
| 170.231.167.0/24 | 38,256 | 2026-07-28 23:19:37 |
| 131.108.72.0/23 | 37,931 | 2026-07-28 23:19:33 |
| 131.108.74.0/23 | 36,668 | 2026-07-28 23:19:40 |
| 131.108.74.0/24 | 33,922 | 2026-07-28 23:11:29 |
| 131.108.72.0/22 | 30,983 | 2026-07-28 23:11:35 |
| 170.231.164.0/22 | 30,930 | 2026-07-28 23:11:35 |
| 170.231.166.0/23 | 30,895 | 2026-07-28 23:11:35 |
| 170.231.164.0/23 | 30,883 | 2026-07-28 23:11:35 |
| 131.108.72.0/24 | 1,452 | 2026-07-28 23:10:26 |
Frequently Asked Questions
What is AS61665?
AS61665 is an Autonomous System Number assigned to ROMICROS BRASIL 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 AS61665 announce?
AS61665 announces 2.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS61665?
AS61665 is operated by ROMICROS BRASIL LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS61665 registered in?
AS61665 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
