asn.dev

Autonomous system

AS28609 Instituto Nupef

Unclassified APNIC

IPv4 addresses 4.35K 2 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Instituto Nupef

Brazil · AI-generated

business brazil small

The AS handle AS28609 is held by Instituto Nupef.

What it's used for

  • The address space is registered under the netnames 63927 and 200213, both attributed to Instituto Nupef.
  • The network announces 4352 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, indicating a small, self-contained access or internal network rather than a transit provider.

Notable

  • The registrants for both announced IPv4 prefixes match the AS holder, Instituto Nupef.
  • The inventory consists of one /20 block (201.46.64.0/20) and one /24 block (192.153.88.0/24), representing a modest and specific address allocation.

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

1 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS53107EVEO S.A.1,114

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 · 4.35K addresses IPv6 1 prefixes

CountryNamePrefixes
BRBrazil3

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
28609
Registry name
ASN28609
Registrant
Instituto Nupef
Abuse contact
Tiwa Security Incidents Response Center
Registered
2005-09-27
Last changed
2025-09-09
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 19 with no ROA
ROAs
0 authorising AS28609
ASPA
no ASPA record
IRR
100% registered · 19 of 19 announcements
Route objects
3 naming AS28609

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 1,773 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