Autonomous system
AS52592 CELINO RIBEIRO SERVICOS DE TELECOMUNICACOES LTDA -
Unclassified APNIC
Summary
CR Telecom
isp residential brazil cable
AS52592 is operated by Celino Ribeiro Servicos de Telecomunicacoes LTDA, commonly known as CR Telecom.
What it's used for
- The address space carries residential and business access traffic, evidenced by reverse DNS entries pointing to
portalcrtelecom.com.br. - The AS announces 2048 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with only 2 observed routing neighbours, indicating a local access provider rather than a transit hub.
- Traffic consists of subscriber eyeballs for cable and DSL services in the regional market.
Notable
- Registrants for both announced prefixes match the AS holder, Celino Ribeiro Servicos de Telecomunicacoes LTDA.
- The inventory consists of two /22 blocks in the 170.247.0.0/16 and 177.87.0.0/16 ranges, typical for a regional ISP managing its own customer base.
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
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-28, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 2 prefixes · 2.05K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| BR | Brazil | 3 |
Registry
Allocation record
- Registry
- APNIC
- Handle
52592- Registry name
- ASN52592
- Registrant
- CELINO RIBEIRO SERVICOS DE TELECOMUNICACOES LTDA -
- Abuse contact
- ivanbispojnr@gmail.com
- Registered
- 2013-03-13
- Last changed
- 2022-10-16
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 5 with no ROA
- ROAs
- 0 authorising AS52592
- ASPA
- no ASPA record
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 13 naming AS52592
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: 448 networks and 1,849 prefixes, as published 2026-10-29. 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