AS4387
Secretaria de Ciencia y Tecnologia - Red Cientific
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 200.1.224.0/19 | 8.2K |
50.8%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.0.0/20 | 4.1K |
4.7%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.128.0/20 | 4.1K |
6.0%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.64.0/22 | 1.0K |
0.0%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.30.0/23 | 512 |
0.0%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.32.0/23 | 512 |
0.8%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 200.9.242.0/23 | 512 |
36.3%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 200.9.244.0/23 | 512 |
27.1%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
| 168.83.26.0/24 | 256 |
0.8%
|
Secretaria de Ciencia y Tecnologia - Red Cientific | AR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS4387 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 |
|---|---|---|
| 168.83.64.0/22 | 56,477 | 2026-07-26 07:45:16 |
| 168.83.31.0/24 | 56,457 | 2026-07-26 07:45:16 |
| 168.83.0.0/20 | 56,452 | 2026-07-26 07:45:16 |
| 168.83.32.0/23 | 56,378 | 2026-07-26 07:45:16 |
| 168.83.30.0/24 | 56,375 | 2026-07-26 07:45:16 |
| 168.83.1.0/24 | 56,327 | 2026-07-26 07:45:16 |
| 168.83.26.0/24 | 56,294 | 2026-07-26 07:45:16 |
| 200.9.242.0/23 | 55,801 | 2026-07-26 07:45:16 |
| 200.1.224.0/19 | 55,578 | 2026-07-26 07:45:16 |
| 168.83.128.0/20 | 25,919 | 2026-07-26 07:45:10 |
| 200.9.244.0/23 | 7,712 | 2026-07-26 07:31:15 |
| 200.9.242.0/24 | 30 | 2026-05-26 18:57:20 |
Frequently Asked Questions
What is AS4387?
AS4387 is an Autonomous System Number assigned to Secretaria de Ciencia y Tecnologia - Red Cientific. 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 AS4387 announce?
AS4387 announces 19.7K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Argentina.
Who operates AS4387?
AS4387 is operated by Secretaria de Ciencia y Tecnologia - Red Cientific. The organization is based in Argentina. You can view all IP ranges and related ASNs on the organization page.
What country is AS4387 registered in?
AS4387 is registered in Argentina. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
