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Autonomous System

AS52999

START NETWORKS S/A

Announced IPs
9,216
CIDR prefixes
4
ASN
AS52999

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 NSP
Traffic level 200-300Gbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Open
IRR record AS52999:AS-START

Present at 4 internet exchanges: IX.br (PTT.br) Salvador: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Fortaleza: ATM/MPLA, IX.br (PTT.br) Rio de Janeiro: ATM/MPLA

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS52999 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
186.216.216.0/22 55,390 2026-07-31 02:34:37
186.216.220.0/22 55,334 2026-07-31 02:34:37
186.216.216.0/21 55,261 2026-07-31 02:34:37
177.66.36.0/22 54,460 2026-07-31 02:34:35
177.66.32.0/22 54,089 2026-07-31 02:34:37
186.226.104.0/22 54,052 2026-07-31 02:34:37
186.226.108.0/22 54,018 2026-07-31 02:34:37
186.226.104.0/21 54,012 2026-07-31 02:34:37
186.226.96.0/22 54,009 2026-07-31 02:34:37
186.226.96.0/20 54,006 2026-07-31 02:34:37
186.226.100.0/22 53,948 2026-07-31 02:34:37
186.226.96.0/21 53,933 2026-07-31 02:34:37
168.195.68.0/22 53,927 2026-07-31 02:34:37
177.66.32.0/21 22,728 2026-07-31 02:27:30
186.216.216.0/24 1,570 2026-07-31 01:30:29
186.216.219.0/24 1,562 2026-07-31 01:30:29
186.216.221.0/24 1,561 2026-07-31 01:30:29
186.216.223.0/24 1,561 2026-07-31 01:30:29
186.216.218.0/24 1,559 2026-07-31 01:30:29
186.216.220.0/24 1,559 2026-07-31 01:30:29
186.216.222.0/24 1,557 2026-07-31 01:30:29
186.216.217.0/24 1,554 2026-07-31 01:30:29
177.66.38.0/24 1,331 2026-07-30 23:58:50
177.66.39.0/24 1,330 2026-07-30 23:58:50
186.226.106.0/24 1,329 2026-07-30 23:58:50
177.66.33.0/24 1,326 2026-07-30 23:58:50
177.66.35.0/24 1,319 2026-07-30 23:58:50
177.66.34.0/24 1,319 2026-07-30 23:58:50
168.195.71.0/24 1,318 2026-07-30 23:58:50
168.195.70.0/24 1,318 2026-07-30 23:58:50
177.66.37.0/24 1,317 2026-07-30 23:58:50
177.66.36.0/24 1,317 2026-07-30 23:58:50
168.195.69.0/24 1,316 2026-07-30 23:58:50
177.66.32.0/24 1,315 2026-07-30 23:58:50
168.195.68.0/24 1,315 2026-07-30 23:58:50
186.226.97.0/24 1,310 2026-07-30 23:58:50
186.226.99.0/24 1,310 2026-07-30 23:58:50
186.226.104.0/24 1,309 2026-07-30 23:58:50
186.226.101.0/24 1,308 2026-07-30 23:58:50
186.226.102.0/24 1,308 2026-07-30 23:58:50
186.226.96.0/24 1,308 2026-07-30 23:58:50
186.226.98.0/24 1,307 2026-07-30 23:58:50
186.226.100.0/24 1,307 2026-07-30 23:58:50
186.226.103.0/24 1,307 2026-07-30 23:58:50
186.226.110.0/24 1,303 2026-07-30 23:58:50
186.226.111.0/24 1,302 2026-07-30 23:58:50
186.226.109.0/24 1,301 2026-07-30 23:58:50
186.226.105.0/24 1,301 2026-07-30 23:58:50
186.226.108.0/24 1,299 2026-07-30 23:58:50
186.226.107.0/24 1,297 2026-07-30 23:58:50

Frequently Asked Questions

What is AS52999?

AS52999 is an Autonomous System Number assigned to START NETWORKS S/A. 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 AS52999 announce?

AS52999 announces 9.2K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS52999?

AS52999 is operated by START NETWORKS S/A. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS52999 registered in?

AS52999 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 02:40:31 UTC
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