asn.dev

Autonomous system

AS61828 NETWISE INFORMATICA LTDA

Unclassified LACNIC

IPv4 addresses 2.05K 2 prefixes
IPv6 prefixes 10 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 1 recorded by PCH
Upstreams 5 3 downstream
Flagged prefixes 0 none

Summary

Netwise

Brazil · AI-generated

isp residential cable regional

AS61828 is operated by Netwise Informatica Ltda, a regional internet service provider based in Minas Gerais, Brazil.

What it's used for

  • The address space carries residential and business customer traffic, evidenced by reverse DNS entries such as 170-150-133-0.netwise.com.br and 201-222-29-0.netwise.com.br.
  • The AS announces 2048 IPv4 addresses across 2 prefixes and 10 IPv6 prefixes, while maintaining 35 observed neighbours; this ratio of modest address inventory against a significant number of peering partners indicates a regional access network rather than a major transit provider.
  • Traffic from this AS consists of subscriber eyeballs and local business endpoints served via cable and DSL infrastructure in the Lagoa da Prata region.

Notable

  • Registrants for both announced IPv4 prefixes (170.150.132.0/22 and 201.222.28.0/22) are listed as NETWISE INFORMATICA LTDA, matching the AS holder.
  • The address inventory is compact, consisting of two /22 blocks in IPv4 and a contiguous set of IPv6 prefixes under the 2804:19f4::/33 range.

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) São PauloSão Paulo, Brazil187.16.217.228

Transit providers

5 upstream, 3 downstream and 12 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS52468UFINET PANAMA S.A.779
AS6939Hurricane Electric LLC75
AS1031PEER 1031 LLC50
AS24482SG.GS14
AS33891Core-Backbone GmbH2

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, 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 2 prefixes · 2.05K addresses IPv6 10 prefixes

CountryNamePrefixes
BRBrazil12

Registry

Allocation record

LACNIC · via Atlas (registry data)
Registry
LACNIC
Registered
2014-07-01
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 17 valid, 0 with no ROA
ROAs
17 authorising AS61828
ASPA
no ASPA record
IRR
100% registered · 17 of 17 announcements
Route objects
4 naming AS61828

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: 442 networks and 1,772 prefixes, as published 2026-10-15. 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