asn.dev

Autonomous system

AS28136 SPACnet - Projetos Avancados em Computacao

Hosting APNIC

IPv4 addresses 3.07K 6 prefixes
IPv6 prefixes 4 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 0 recorded by PCH
Upstreams 11 0 downstream
Flagged prefixes 0 none

Summary

SPACnet

Brazil · AI-generated

isp residential brazil fiber

AS28136 is operated by SPACnet - Projetos Avançados em Computação.

What it's used for

  • The address space carries residential and business internet access, evidenced by reverse DNS entries such as 126.137.netfibragoias.com.br and 187-045-128-064.sta.spacnet.com.br.
  • The AS announces 3072 IPv4 addresses across 6 prefixes and 4 IPv6 prefixes, with 11 observed routing neighbours, indicating a regional access provider role.

Notable

  • All registrants for the announced prefixes match the announcer, identified as SPACnet - Projetos Avançados em Computação with netname 129197.
  • The inventory consists of a contiguous block of IPv4 space in the 187.45.128.0/22 range, subdivided into smaller prefixes for operational management.

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

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

11 upstream, 0 downstream and 15 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS262403Net Way Telecom LTDA ME152
AS272734Elo Solucoes122
AS16735ALGAR TELECOM S/A93
AS262755AONET SERVICOS DE COMUNICACAO LTDA62
AS272551Acenet Solucoes de Rede e Internet LTDA - ME62
AS273487TARVOS FIBRAS62
AS274717R NONATO SANTOS FREITAS INFORMATICA60
AS53158Net Turbo Telecom58

All 11 upstreams →

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-20, 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 6 prefixes · 3.07K addresses IPv6 4 prefixes

CountryNamePrefixes
BRBrazil10

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
28136
Registry name
ASN28136
Registrant
SPACnet - Projetos Avançados em Computação
Abuse contact
Moacyr Francischetti Corrêa
Registered
2009-03-05
Last changed
2013-03-06
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 15 with no ROA
ROAs
0 authorising AS28136
ASPA
no ASPA record
IRR
100% registered · 15 of 15 announcements
Route objects
39 naming AS28136

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

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: 442 networks and 1,778 prefixes, as published 2026-10-20. 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