AS28539 — JOSE MIGUEL MACIAS CONTRERAS

AS28539 announces 11 IPv4 prefixes covering 11,776 addresses and 1 IPv6 prefixes.

About this network

The AS handle JOSE MIGUEL MACIAS CONTRERAS is held by Administradora de Servicios de Internet Sandur S.A. de C.V., operating under the brand XCIEN.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries like ip-201-159-107-254.xcien.com and ip-45-239-70-254.xcien.com.
• With 11,776 IPv4 addresses announced across 11 prefixes and only 7 observed neighbours, the high address-to-neighbour ratio indicates an access or eyeball network rather than a transit provider.

Notable

• Most registrants align with the announcer, specifically Administradora de Servicios de Internet Sandur S.A. de C.V., though Huus Vas, S.A. de C.V., Centro de Investigación en Química Aplicada, and Instituto Tecnologico de Saltillo also appear in the inventory.
• The address inventory is finely subdivided into multiple /22, /23, and /24 blocks, suggesting site-by-site segmentation or distinct customer pools within the corporate estate.

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

Announced prefixes

• 45.185.246.0/24
• 45.239.68.0/22
• 138.186.200.0/22
• 170.247.172.0/23
• 170.247.174.0/24
• 192.100.159.0/24
• 200.23.7.0/24
• 201.150.0.0/21
• 201.150.8.0/22
• 201.159.96.0/20
• 201.159.124.0/22
• 2806:211::/32

Upstream networks

• AS174 Cogent Communications, LLC
• AS11172 Alestra, S. de R.L. de C.V.
• AS28458 IENTC S DE RL DE CV
• AS32098 Transtelco Inc
• AS1299 Arelion Sweden AB

Downstream networks

• AS270147 Flynode de Mexico, SA de CV

Adjacent networks

• AS174 Cogent Communications, LLC
• AS11172 Alestra, S. de R.L. de C.V.
• AS28458 IENTC S DE RL DE CV
• AS32098 Transtelco Inc
• AS270147 Flynode de Mexico, SA de CV
• AS1299 Arelion Sweden AB

Internet exchanges

• NIX Monterrey — Monterrey, Mexico