asn.dev

Autonomous system

AS52770 Acem Telecom Ltda

Unclassified LACNIC Cable/DSL/ISP

IPv4 addresses 2.05K 1 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 1 recorded by PCH
Upstreams 2 1 downstream
Flagged prefixes 0 none

Summary

Acem Telecom

Brazil · AI-generated

isp residential cable dsl

AS52770 is operated by Acem Telecom Ltda.

What it's used for

  • The address space carries residential access traffic, as indicated by the operator's classification as a Cable/DSL/ISP in secondary sources.
  • The network announces 2048 IPv4 addresses and 1 IPv6 prefix, with 3 observed neighbours, a ratio consistent with an access network serving local subscribers.
  • Traffic from this AS consists of subscriber eyeballs using cable and DSL connections for internet access.

Notable

  • The registrant for the announced prefix 177.39.184.0/21 is Acem Telecom Ltda, matching the AS holder.
  • The address inventory consists of a single /21 IPv4 block and a /32 IPv6 prefix, representing a compact, self-contained allocation for a regional ISP.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
IX.br (PTT.br) LajeadoLajeado, Brazil187.16.202.18

Transit providers

2 upstream, 1 downstream and 5 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS28146MHNET TELECOM532
AS28283Adylnet Telecom37

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 1 prefixes · 2.05K addresses IPv6 1 prefixes

CountryNamePrefixes
BRBrazil2

Registry

Allocation record

LACNIC · via Atlas (registry data)
Registry
LACNIC
Registered
2012-09-10
Allocation
allocated

Declared

PeeringDB profile

self-reported
Name
ACEM TELECOMUNICAÇÕES LTDA
Also known as
Acem Telecom - RS
Network type
Cable/DSL/ISP
Scope
South America
Traffic ratio
Balanced
Peering policy
Open
Facilities
1 facilities
Website
http://acem.net.br

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 10 with no ROA
ROAs
0 authorising AS52770
ASPA
no ASPA record
IRR
90% registered · 9 of 10 announcements
Route objects
13 naming AS52770

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 440 networks and 1,773 prefixes, as published 2026-10-13. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check