asn.dev

Autonomous system

AS53203 Inst. de Tec. da Informacao e Comunicacao do ES.

Unclassified ARIN

IPv4 addresses 4.10K 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly BR
Exchanges 1 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Instituto de Tecnologia da Informação e Comunicação do Espírito Santo

Brazil · AI-generated

government business brazil

AS53203 is operated by Instituto de Tecnologia da Informação e Comunicação do Espírito Santo.

What it's used for

  • The address space carries government infrastructure, evidenced by the reverse DNS record h254-n43.es.gov.br and the netname 150287.
  • The AS announces 4096 IPv4 addresses across 1 prefix (201.62.32.0/20) and maintains 2 observed neighbours, indicating a small, self-contained network rather than a transit provider.
  • Traffic from this AS consists of internal government services and administrative endpoints for the Espírito Santo state government, including tax authority systems like sefaz.es.gov.br.

Notable

  • The registrant Inst. de Tec. da Informação e Comunicação do ES. matches the AS holder exactly.
  • The address inventory consists of a single contiguous /20 block, typical for a dedicated institutional 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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
IX.br (PTT.br) VitóriaVitória, Brazil187.16.194.1

Transit providers

3 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS4230CLARO S.A.27
AS28173Dinamica Telecomunicacoes Ltda19
AS14840BR.Digital Telecom15

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-15, 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 · 4.10K addresses IPv6 0 prefixes

CountryNamePrefixes
BRBrazil1

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
53203
Registry name
ASN53203
Registrant
Inst. de Tec. da Informação e Comunicação do ES.
Abuse contact
Fabio Modenese
Registered
2010-09-09
Last changed
2022-07-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 1 with no ROA
ROAs
0 authorising AS53203
ASPA
no ASPA record
IRR
100% registered · 1 of 1 announcements
Route objects
4 naming AS53203

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 1,781 prefixes, as published 2026-10-16. 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