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Autonomous System

AS53121

Infornet Consultoria e Assessoria Ltda

Announced IPs
5,120
CIDR prefixes
2
ASN
AS53121

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 Cable/DSL/ISP
Traffic level 5-10Gbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53121 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
170.81.183.0/24 750,312 2026-07-24 15:00:13
187.111.133.0/24 85,168 2026-07-24 12:39:28
187.111.128.0/20 57,822 2026-07-24 14:51:50
170.81.180.0/22 57,594 2026-07-24 14:51:57
187.111.132.0/24 43,131 2026-07-24 12:39:29
187.111.137.0/24 7,124 2026-07-24 12:39:28
170.81.182.0/24 5,653 2026-07-24 12:39:29
187.111.142.0/24 4,302 2026-07-24 12:39:29
170.81.181.0/24 4,301 2026-07-24 12:39:28
187.111.135.0/24 4,296 2026-07-24 12:39:28
187.111.143.0/24 4,293 2026-07-24 12:39:28
187.111.136.0/24 4,291 2026-07-24 12:39:28
187.111.134.0/24 4,283 2026-07-24 12:39:28
187.111.130.0/24 4,282 2026-07-24 12:39:28
187.111.139.0/24 4,273 2026-07-24 12:39:28
187.111.140.0/24 4,259 2026-07-24 12:39:28
187.111.138.0/24 4,257 2026-07-24 12:39:28
187.111.141.0/24 4,255 2026-07-24 12:39:28
187.111.131.0/24 4,251 2026-07-24 12:39:29
187.111.129.0/24 4,222 2026-07-24 12:39:41
187.111.140.0/22 4,210 2026-07-24 12:39:28
170.81.180.0/24 4,197 2026-07-24 12:39:28
187.111.136.0/22 4,194 2026-07-24 12:39:29
187.111.128.0/24 4,184 2026-07-24 12:39:28
187.111.132.0/22 4,168 2026-07-24 12:39:28
170.81.182.0/23 4,112 2026-07-24 12:39:28
187.111.128.0/22 4,083 2026-07-24 12:39:28
170.81.180.0/23 4,019 2026-07-24 12:39:28

Frequently Asked Questions

What is AS53121?

AS53121 is an Autonomous System Number assigned to Infornet Consultoria e Assessoria 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 AS53121 announce?

AS53121 announces 5.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS53121?

AS53121 is operated by Infornet Consultoria e Assessoria Ltda. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS53121 registered in?

AS53121 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 15:10:32 UTC
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