Autonomous system
AS28201 Companhia Itabirana Telecomunicacoes Ltda
Residential LACNIC
Summary
Valenet
residential isp cable dsl
The AS handle AS28201 is held by Companhia Itabirana Telecomunicacoes Ltda, operating under the brand Valenet.
What it's used for
- The address space carries residential and business access traffic, evidenced by reverse DNS records pointing to
isp.valenet.com.br. - The network announces 68,608 IPv4 addresses across 32 prefixes and maintains 45 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
Notable
- All available RDAP registrants match the announcer, consistently listing
Companhia Itabirana Telecomunicações Ltda. - The inventory consists of a mix of /20 and /22 blocks, including ranges in the 177.125.0.0/16, 187.0.0.0/8, and 45.0.0.0/8 spaces.
- The operator is identified in peering databases as a Cable/DSL/ISP with regional scope.
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
Recorded at 2 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| IX.br (PTT.br) São Paulo | São Paulo, Brazil | 187.16.221.232 |
| IX.br (PTT.br) Belo Horizonte | Belo Horizonte, Brazil | 200.219.139.50 |
Transit providers
7 upstream, 15 downstream and 37 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 32 prefixes · 68.61K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| BR | Brazil | 33 |
Registry
Allocation record
- Registry
- LACNIC
- Registered
- 2008-04-09
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 237 valid, 0 with no ROA
- ROAs
- 34 authorising AS28201
- ASPA
- no ASPA record
- IRR
- 100% registered · 237 of 237 announcements
- Route objects
- 510 naming AS28201
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
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: 440 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