asn.dev

Autonomous system

AS28173 Dinamica Telecomunicacoes Ltda

Unclassified RIPE

IPv4 addresses 8.45K 3 prefixes
IPv6 prefixes 81 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 2 recorded by PCH
Upstreams 11 49 downstream
Flagged prefixes 0 none

Summary

Dinâmica Telecom

Brazil · AI-generated

telecom residential brazil

AS28173 is operated by Dinâmica Telecomunicacoes Ltda.

What it's used for

  • The address space carries residential and business access traffic, evidenced by reverse DNS entries such as 177.137.231-255.loga.net.br and 189.84.215-255.dinamicatelecom.net.br.
  • The AS announces 8448 IPv4 addresses and 81 IPv6 prefixes, with 89 observed neighbours, indicating a role as a regional access provider or network service provider in South America.

Notable

  • Registrants for the two largest prefixes (177.137.224.0/20 and 189.84.208.0/20) match the announcer, Dinamica Telecomunicacoes Ltda, while the smaller prefix 209.14.128.0/24 is registered to Cogent Communications, LLC.
  • The inventory consists of three IPv4 prefixes and ten IPv6 prefixes, with the majority of the IPv4 space concentrated in two /20 blocks.

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 2 exchanges in 1 country, largest first.

ExchangeLocationTheir address
IX.br (PTT.br) São PauloSão Paulo, Brazil187.16.221.56
IX.br (PTT.br) VitóriaVitória, Brazil187.16.194.20

Transit providers

11 upstream, 49 downstream and 104 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS37468Angola Cables1,522
AS3356Level 3 Parent, LLC1,139
AS1031PEER 1031 LLC381
AS7738V tal240
AS24482SG.GS116
AS33891Core-Backbone GmbH80
AS35280F5 Networks SARL51
AS37721Virtual Technologies & Solutions51

All 11 upstreams →

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 3 prefixes · 8.45K addresses IPv6 81 prefixes

CountryNamePrefixes
BRBrazil84

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
28173
Registry name
ASN28173
Registrant
Dinamica Telecomunicacoes Ltda
Abuse contact
CGR - Metro Network
Registered
2007-12-21
Last changed
2016-03-16
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 116 valid, 0 with no ROA
ROAs
4 authorising AS28173
ASPA
no ASPA record
IRR
100% registered · 116 of 116 announcements
Route objects
65 naming AS28173

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