AS53181
Avanca Telecom e Servicos 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
- 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 4 internet exchanges: IX.br (PTT.br) Rio de Janeiro: ATM/MPLA, IX.br (PTT.br) Vitória: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Brasília: ATM/MPLA
AS53181 — global IP footprint
Cities where AS53181 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 |
|---|---|---|---|---|---|---|
| 191.241.64.0/20 | 4.1K |
79.2%
|
K2 Telecom e Multimidia LTDA ME | BR | Rio de Janeiro | Duque de Caxias |
| 201.33.160.0/20 | 4.1K |
98.5%
|
K2 Telecom e Multimidia LTDA ME | BR | Rio de Janeiro | Campos dos Goytacazes |
| 45.164.112.0/22 | 1.0K |
0.0%
|
K2 Telecom e Multimidia LTDA ME | BR | Rio de Janeiro | Macaé |
| 138.204.64.0/22 | 1.0K |
98.7%
|
K2 Telecom e Multimidia LTDA ME | BR | Rio de Janeiro | Petrópolis |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS53181 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 |
|---|---|---|
| 138.204.64.0/22 | 235,702 | 2026-09-10 18:08:35 |
| 45.164.112.0/22 | 231,646 | 2026-09-10 18:08:35 |
| 191.241.64.0/20 | 227,778 | 2026-09-10 18:07:54 |
| 201.33.160.0/20 | 227,196 | 2026-09-10 18:08:35 |
| 191.241.76.0/24 | 6,932 | 2026-09-10 15:52:10 |
| 201.33.174.0/24 | 6,063 | 2026-09-10 15:51:57 |
| 201.33.164.0/24 | 6,061 | 2026-09-10 15:52:07 |
| 201.33.169.0/24 | 6,054 | 2026-09-10 15:52:02 |
| 201.33.163.0/24 | 6,035 | 2026-09-10 15:52:13 |
| 45.164.112.0/24 | 6,010 | 2026-09-10 16:58:49 |
| 201.33.168.0/24 | 5,997 | 2026-09-10 15:52:11 |
| 201.33.170.0/24 | 5,977 | 2026-09-10 15:52:03 |
| 201.33.166.0/24 | 5,943 | 2026-09-10 15:52:09 |
| 201.33.167.0/24 | 5,921 | 2026-09-10 15:52:09 |
| 201.33.165.0/24 | 5,785 | 2026-09-10 15:52:08 |
| 201.33.162.0/24 | 5,753 | 2026-09-10 15:52:12 |
| 201.33.175.0/24 | 5,526 | 2026-09-10 15:51:59 |
| 201.33.172.0/24 | 5,458 | 2026-09-10 15:52:07 |
| 45.164.114.0/24 | 5,393 | 2026-09-10 16:58:49 |
| 45.164.113.0/24 | 5,391 | 2026-09-10 16:58:49 |
| 201.33.160.0/24 | 5,372 | 2026-09-10 15:52:11 |
| 201.33.161.0/24 | 5,303 | 2026-09-10 15:52:11 |
| 201.33.171.0/24 | 5,291 | 2026-09-10 15:52:05 |
| 45.164.115.0/24 | 5,219 | 2026-09-10 16:58:49 |
| 138.204.67.0/24 | 4,495 | 2026-09-10 15:52:15 |
| 138.204.64.0/24 | 4,445 | 2026-09-10 15:52:20 |
| 138.204.65.0/24 | 4,424 | 2026-09-10 15:52:14 |
| 191.241.70.0/24 | 4,348 | 2026-09-10 15:52:12 |
| 191.241.79.0/24 | 4,222 | 2026-09-10 15:52:05 |
| 191.241.78.0/24 | 4,218 | 2026-09-10 15:52:03 |
| 191.241.65.0/24 | 4,193 | 2026-09-10 15:52:15 |
| 191.241.73.0/24 | 4,171 | 2026-09-10 15:52:08 |
| 191.241.72.0/24 | 3,828 | 2026-09-10 15:52:13 |
| 138.204.66.0/24 | 3,768 | 2026-09-10 15:52:15 |
| 191.241.77.0/24 | 3,703 | 2026-09-10 15:52:01 |
| 191.241.67.0/24 | 3,694 | 2026-09-10 15:52:16 |
| 191.241.66.0/24 | 3,691 | 2026-09-10 15:52:15 |
| 191.241.75.0/24 | 3,666 | 2026-09-10 15:52:09 |
| 191.241.71.0/24 | 3,646 | 2026-09-10 15:52:13 |
| 191.241.69.0/24 | 3,638 | 2026-09-10 15:52:11 |
| 191.241.68.0/24 | 3,623 | 2026-09-10 15:52:11 |
| 191.241.74.0/24 | 3,615 | 2026-09-10 15:52:09 |
| 201.33.173.0/24 | 3,512 | 2026-08-13 06:36:58 |
| 191.241.64.0/24 | 3,412 | 2026-09-10 15:52:14 |
| 138.204.64.0/32 | 1 | 2026-08-08 03:14:03 |
Frequently Asked Questions
What is AS53181?
AS53181 is an Autonomous System Number assigned to Avanca Telecom e Servicos 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 AS53181 announce?
AS53181 announces 10.2K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS53181?
AS53181 is operated by Avanca Telecom e Servicos LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS53181 registered in?
AS53181 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
