AS61877 — AS61877 - MGX Telecom

AS61877 announces 2 IPv4 prefixes covering 2,048 addresses and 1 IPv6 prefixes.

About this network

AS61877 is operated by MGX Telecom, a regional telecommunications provider in Brazil.

What it's used for

• The address space carries dynamic residential traffic, as indicated by reverse DNS entries such as 200-24-89-0.xd.dynamic.select.udi.br.
• The network announces 2048 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining 28 observed neighbours, a ratio consistent with an access network serving end-users rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs, with the "dynamic" and "select" identifiers in the reverse DNS pointing to dial-up or dynamic IP allocation for residential customers.

Notable

• Registrants for both announced IPv4 prefixes (186.251.72.0/22 and 200.24.88.0/22) are listed as MGX Telecom, aligning with the AS holder.
• The address inventory is compact, consisting of two /22 blocks and a single /32 IPv6 prefix, typical for a regional ISP managing a specific geographic footprint.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 186.251.72.0/22
• 200.24.88.0/22
• 2804:1ab4::/32

Upstream networks

• AS28258 VERO S.A
• AS6939 Hurricane Electric LLC
• AS28669 VERO S.A
• AS262785 GIGA MAIS FIBRA TELECOMUNICACOES S.A.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL

Adjacent networks

• AS28258 VERO S.A
• AS6939 Hurricane Electric LLC
• AS28669 VERO S.A
• AS262785 GIGA MAIS FIBRA TELECOMUNICACOES S.A.
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL

Routing security

• RPKI: 15 valid, 0 invalid and 0 not-found announcements; 17 ROAs.
• ASPA: none published.
• IRR: 87% of announcements registered; 15 route objects.
• Listed in as-sets: AS-53062-CUSTOMERS, AS-53062-CUSTOMERS, AS-AMERICANTOWER, AS-AMERICANTOWER-CLIENTS-OF-CLIENTS, AS-AS10429-CLIENTES, AS-CEMIGTELECOM-CLIENTES, AS-CLICKTELECOM-CUSTOMERS, AS-CTBC-CUSTOMERS21, AS-CTBC-TOOLS-7, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-FORTEL-CUSTOMERS, AS-HUGENET-CUSTOMERS, AS-HWNG-DOWNSTREAMS, AS-ONNET-CUSTOMERS, AS-ROCKETNETWORK-TOOLS-2, AS-SB-AUTOMATION-CUSTOMER, AS-SEMPRE-CUSTOMER-262595.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil