Autonomous system
AS61745 NBS TELECOM
Unclassified LACNIC
Summary
NBS Telecom
isp residential brazil access
NBS TELECOM is the AS handle for NBS Telecom, a regional telecommunications provider in Brazil.
What it's used for
- The address space carries customer access traffic, evidenced by reverse DNS entries such as
186-219-242-0.host.nbstelecom.psi.brand131-72-153-0.host.nbstelecom.psi.br. - With 4,864 IPv4 addresses announced across 6 prefixes and 34 observed neighbours, the ratio indicates an access network providing connectivity to end-users rather than a transit provider.
- Traffic from this AS consists of subscriber eyeballs, including residential and small business internet access, as well as specific government-related endpoints like
vdi.tce.ro.gov.br.
Notable
- All registrants for the announced prefixes are listed as
NBS TELECOM, matching the AS holder. - The address inventory is primarily composed of blocks in the
186.219.240.0/21range, with a smaller allocation in131.72.152.0/22. - The network includes a single IPv6 prefix,
2804:1bb8::/32, indicating dual-stack capability for its subscribers.
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 6 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| IX.br (PTT.br) São Paulo | São Paulo, Brazil | 187.16.209.37 |
| IX.br (PTT.br) Brasília | Brasília, Brazil | 45.184.144.183 |
| IX.br (PTT.br) Goiânia | Goiânia, Brazil | 200.192.111.13 |
| IX.br (PTT.br) Cuiabá | Cuiabá, Brazil | 187.16.203.29 |
| IX.br (PTT.br) Porto Velho | Porto Velho, Brazil | 187.16.200.4 |
| IX.br (PTT.br) Rio Branco | Rio Branco, Brazil | 200.219.143.7 |
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 6 prefixes · 4.86K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| BR | Brazil | 7 |
Registry
Allocation record
- Registry
- LACNIC
- Registered
- 2014-08-08
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 7 valid, 0 with no ROA
- ROAs
- 6 authorising AS61745
- ASPA
- no ASPA record
- IRR
- 100% registered · 7 of 7 announcements
- Route objects
- 14 naming AS61745
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: 436 networks and 1,771 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