ResearchRouting table, RPKI, IRR & looking glass

AS28146 MHNET TELECOM

AS28146 (AS28146) is registered to MHNET TELECOM in BR, through LACNIC. It originates 216 prefixes in the global routing table.

196
IPv4 prefixes
20
IPv6 prefixes
60,160
IPv4 addresses
100%
RPKI valid

Who holds AS28146

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS28146
Handle
AS28146
Organization
MHNET TELECOM
Country
BR
Registry
LACNIC
ASPA
None published
WHOIS recordLACNIC
% IP Client: 2607:e580:0:141:0:0:0:100
 % Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-10-14T16:23:51-03:00 - 2607:e580:0:141::100

aut-num:     AS28146
owner:       MHNET TELECOM
ownerid:     05.245.502/0001-04
responsible: Patrick Canton
country:     BR
owner-c:     PAC343
routing-c:   PAC343
abuse-c:     CTIMH
created:     20090218
changed:     20220209
inetnum:     187.45.96.0/20
inetnum:     187.45.112.0/20
inetnum:     177.75.128.0/20
inetnum:     177.75.144.0/20
inetnum:     179.127.128.0/20
inetnum:     2804:108c::/32
inetnum:     170.84.56.0/22
inetnum:     138.186.116.0/22
inetnum:     2804:26e0::/32
inetnum:     143.208.12.0/22
inetnum:     45.227.192.0/22
inetnum:     45.71.224.0/22
inetnum:     45.238.164.0/22
inetnum:     45.238.108.0/22
inetnum:     186.250.88.0/22
inetnum:     138.204.72.0/22
inetnum:     179.191.36.0/22
inetnum:     143.255.100.0/22
inetnum:     177.86.0.0/21
inetnum:     177.73.188.0/22
inetnum:     191.36.132.0/22
inetnum:     170.0.168.0/22
inetnum:     186.236.0.0/20
inetnum:     186.236.16.0/20
inetnum:     168.0.4.0/22
inetnum:     170.233.40.0/22
inetnum:     177.125.32.0/21
inetnum:     177.234.132.0/22
inetnum:     170.245.216.0/22
inetnum:     45.162.164.0/22
inetnum:     177.75.96.0/20
inetnum:     187.110.176.0/20

nic-hdl-br:  PAC343
person:      Patrick Canton
e-mail:      hostmaster@mhnet.com.br
country:     BR
created:     20020727
changed:     20250130

nic-hdl-br:  CTIMH
person:      Centro de tratamento de incidentes MHNET
e-mail:      abuse@mhnet.com.br
country:     BR
created:     20220209
changed:     20220209

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

What AS28146 announces

Prefixes originated by AS28146 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
196
IPv6 prefixes
20
IPv4 addresses
60,160 (235 /24s)
RPKI valid
216 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS28146
32
With an IRR route object
36 16%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (196)
45.71.224.0/2245.71.224.0/2445.71.226.0/2445.71.227.0/2445.162.164.0/2245.162.164.0/2445.227.192.0/2245.227.192.0/2445.227.193.0/2445.227.194.0/2445.227.195.0/2445.238.108.0/2245.238.108.0/2445.238.109.0/2445.238.110.0/2445.238.111.0/2445.238.164.0/2245.238.165.0/2445.238.167.0/24138.186.116.0/24138.186.117.0/24138.186.119.0/24138.204.72.0/22138.204.72.0/24138.204.73.0/24138.204.74.0/24138.204.75.0/24143.208.12.0/22143.208.15.0/24143.255.100.0/22168.0.4.0/22168.0.4.0/24168.0.5.0/24168.0.6.0/24168.0.7.0/24170.0.168.0/22170.0.169.0/24170.84.56.0/22170.84.56.0/24170.84.57.0/24170.84.58.0/24170.84.59.0/24170.233.40.0/22170.233.41.0/24170.233.42.0/24170.233.43.0/24170.245.216.0/22170.245.217.0/24177.73.188.0/22177.73.188.0/24177.73.189.0/24177.73.191.0/24177.75.96.0/20177.75.96.0/24177.75.98.0/24177.75.103.0/24177.75.104.0/24177.75.105.0/24177.75.106.0/24177.75.107.0/24177.75.108.0/24177.75.109.0/24177.75.110.0/24177.75.111.0/24177.75.128.0/20177.75.128.0/24177.75.129.0/24177.75.130.0/24177.75.134.0/24177.75.135.0/24177.75.136.0/24177.75.137.0/24177.75.139.0/24177.75.140.0/24177.75.141.0/24177.75.143.0/24177.75.144.0/20177.75.144.0/24177.75.145.0/24177.75.148.0/24177.75.149.0/24177.75.150.0/24177.75.151.0/24177.75.152.0/24177.75.154.0/24177.75.155.0/24177.75.157.0/24177.75.158.0/24177.75.159.0/24177.86.0.0/21177.86.0.0/24177.86.1.0/24177.86.2.0/24177.86.3.0/24177.86.4.0/24177.86.5.0/24177.86.6.0/24177.125.32.0/21177.125.36.0/24177.125.38.0/24177.125.39.0/24177.234.132.0/22179.127.128.0/20179.127.130.0/24179.127.132.0/24179.127.133.0/24179.127.134.0/24179.127.135.0/24179.127.136.0/24179.127.137.0/24179.127.138.0/24179.127.139.0/24179.127.140.0/24179.127.141.0/24179.127.142.0/24179.127.143.0/24179.191.36.0/22179.191.39.0/24186.236.0.0/20186.236.0.0/24
Show 76 more
IPv6 (20)

RPKI valid   RPKI invalid   no ROA covers it

Who AS28146 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 9 upstreams.

Who buys transit from AS28146

107 downstreams, its customers; those marked ASPA name AS28146 as a provider in theirs.

Show 67 more

Provider authorization

AS28146 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS28146 as a provider