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Autonomous System

AS27747

Telecentro S.A.

Announced IPs
623,104
CIDR prefixes
12
ASN
AS27747

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.

69/100
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 1-5Tbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Open
IRR record AS27747:AS-TRANSITO

Present at 1 internet exchange: AR-IX Cabase - Argentina

Web3 footprint

AS27747 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS27747 — global IP footprint

Cities where AS27747 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS27747 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
186.23.144.0/24 87,492 2026-09-01 21:13:32
186.23.128.0/20 22,926 2026-09-01 21:45:36
186.18.32.0/20 22,895 2026-09-01 21:45:36
181.46.160.0/20 22,838 2026-09-01 21:45:36
181.46.48.0/20 22,819 2026-09-01 21:45:36
186.18.64.0/20 22,818 2026-09-01 21:45:36
186.19.16.0/20 22,807 2026-09-01 21:45:36
186.23.96.0/20 22,801 2026-09-01 21:45:36
186.23.16.0/20 22,796 2026-09-01 21:45:36
186.18.96.0/20 22,796 2026-09-01 21:45:36
186.18.128.0/20 22,793 2026-09-01 21:45:36
186.23.176.0/20 22,791 2026-09-01 21:45:36
186.18.192.0/20 22,790 2026-09-01 21:45:36
181.44.128.0/20 22,790 2026-09-01 21:45:36
186.19.0.0/20 22,788 2026-09-01 21:45:36
186.18.160.0/20 22,775 2026-09-01 21:45:36
186.22.224.0/20 22,770 2026-09-01 21:45:36
186.19.128.0/20 22,762 2026-09-01 21:45:36
186.23.144.0/20 22,758 2026-09-01 21:45:36
186.23.80.0/20 22,746 2026-09-01 21:45:36
190.55.112.0/20 22,443 2026-09-01 21:45:36
181.47.241.0/24 22,338 2026-09-01 21:45:36
181.46.0.0/20 22,328 2026-09-01 21:45:36
190.55.32.0/20 22,311 2026-09-01 21:45:36
190.55.240.0/20 22,298 2026-09-01 21:45:36
186.22.48.0/21 22,260 2026-09-01 21:45:36
181.46.209.0/24 22,257 2026-09-01 21:45:36
186.19.112.0/20 22,242 2026-09-01 21:45:36
186.22.48.0/20 22,214 2026-09-01 21:45:36
186.22.16.0/20 22,191 2026-09-01 21:45:36
181.47.112.0/20 22,188 2026-09-01 21:45:36
186.22.240.0/20 22,142 2026-09-01 21:45:36
190.55.248.0/24 21,568 2026-09-01 21:45:36
190.55.40.0/24 21,470 2026-09-01 21:45:36
190.55.60.0/24 21,438 2026-09-01 21:45:36
181.45.248.0/24 21,421 2026-09-01 21:45:36
190.55.63.0/24 21,409 2026-09-01 21:45:36
190.55.154.0/24 21,398 2026-09-01 21:45:36
200.115.194.0/24 21,338 2026-09-01 21:45:36
200.115.203.0/24 21,325 2026-09-01 21:45:36
200.115.192.0/24 21,318 2026-09-01 21:45:36
181.44.192.0/20 21,041 2026-09-01 21:13:34
186.22.176.0/20 21,032 2026-09-01 21:13:30
190.55.252.0/24 21,013 2026-09-01 21:45:36
186.23.255.0/24 21,013 2026-09-01 21:45:36
181.45.128.0/20 21,010 2026-09-01 21:13:23
181.47.19.0/24 20,985 2026-09-01 21:45:36
186.23.252.0/24 20,976 2026-09-01 21:45:36
181.45.4.0/24 20,928 2026-09-01 21:45:36
181.47.135.0/24 20,924 2026-09-01 21:45:36

Showing top 50 of 1,752 announced prefixes by sample volume.

Frequently Asked Questions

What is AS27747?

AS27747 is an Autonomous System Number assigned to Telecentro 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 AS27747 announce?

AS27747 announces 623.1K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Argentina.

Who operates AS27747?

AS27747 is operated by Telecentro S.A.. The organization is based in Argentina. You can view all IP ranges and related ASNs on the organization page.

What country is AS27747 registered in?

AS27747 is registered in Argentina. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-01 22:09:06 UTC
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