AS28387
Computadoras y Servicios Especiales SA de CV
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS28387 — global IP footprint
Cities where AS28387 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 201.139.176.0/21 | 2.0K |
97.9%
|
Computadoras y Servicios Especiales SA de CV | MX | Puebla | Puebla City |
| 45.174.84.0/22 | 1.0K |
90.4%
|
Computadoras y Servicios Especiales SA de CV | MX | Puebla | Ayotoxco de Guerrero |
| 201.131.200.0/22 | 1.0K |
80.4%
|
Computadoras y Servicios Especiales SA de CV | MX | Tlaxcala | Papalotla |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28387 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 45.174.84.0/24 | 22,915 | 2026-07-28 03:29:09 |
| 201.139.180.0/24 | 22,858 | 2026-07-28 03:31:08 |
| 201.139.176.0/21 | 20,198 | 2026-07-28 03:31:08 |
| 201.131.201.0/24 | 20,134 | 2026-07-28 03:31:08 |
| 201.139.181.0/24 | 19,748 | 2026-07-28 03:31:08 |
| 45.174.84.0/22 | 17,940 | 2026-07-28 03:29:09 |
| 201.131.200.0/22 | 17,862 | 2026-07-28 03:31:08 |
| 201.131.202.0/24 | 17,831 | 2026-07-28 03:31:08 |
| 201.139.177.0/24 | 17,319 | 2026-07-28 03:28:37 |
| 201.131.200.0/24 | 15,311 | 2026-07-28 03:27:48 |
| 201.139.179.0/24 | 12,702 | 2026-07-28 03:27:35 |
| 201.139.176.0/24 | 11,657 | 2026-07-28 03:27:06 |
| 201.139.183.0/24 | 10,599 | 2026-07-28 03:27:42 |
| 45.174.86.0/24 | 10,561 | 2026-07-28 03:27:06 |
| 201.131.203.0/24 | 10,264 | 2026-07-28 03:27:06 |
| 201.139.180.0/22 | 10,213 | 2026-07-28 03:27:06 |
| 201.139.178.0/24 | 10,188 | 2026-07-28 03:27:06 |
| 201.139.182.0/24 | 10,185 | 2026-07-28 03:27:06 |
| 45.174.87.0/24 | 9,658 | 2026-07-28 03:27:27 |
| 45.174.85.0/24 | 8,447 | 2026-07-28 03:26:47 |
Frequently Asked Questions
What is AS28387?
AS28387 is an Autonomous System Number assigned to Computadoras y Servicios Especiales SA de CV. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS28387 announce?
AS28387 announces 4.1K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS28387?
AS28387 is operated by Computadoras y Servicios Especiales SA de CV. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS28387 registered in?
AS28387 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.