AS3548
Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional
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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS3548 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 |
|---|---|---|
| 148.247.225.0/24 | 48,364 | 2026-07-24 13:53:58 |
| 148.247.197.0/24 | 45,928 | 2026-07-24 14:01:21 |
| 148.247.196.0/24 | 42,192 | 2026-07-24 13:59:50 |
| 148.247.115.0/24 | 41,892 | 2026-07-24 14:00:51 |
| 148.247.42.0/24 | 31,120 | 2026-07-24 14:16:16 |
| 148.247.41.0/24 | 31,076 | 2026-07-24 14:16:16 |
| 148.247.230.0/24 | 24,813 | 2026-07-24 13:53:58 |
| 148.247.2.0/24 | 20,647 | 2026-07-24 14:06:26 |
| 148.247.184.0/24 | 20,622 | 2026-07-24 14:06:26 |
| 148.247.9.0/24 | 20,613 | 2026-07-24 14:06:26 |
| 148.247.72.0/24 | 20,573 | 2026-07-24 14:06:26 |
| 148.247.4.0/24 | 20,571 | 2026-07-24 14:32:32 |
| 148.247.8.0/24 | 20,562 | 2026-07-24 14:06:26 |
| 148.247.252.0/24 | 20,556 | 2026-07-24 14:06:26 |
| 148.247.182.0/24 | 20,550 | 2026-07-24 14:06:26 |
| 148.247.102.0/24 | 20,517 | 2026-07-24 14:06:26 |
| 148.247.155.0/24 | 20,517 | 2026-07-24 14:06:26 |
| 148.247.75.0/24 | 20,514 | 2026-07-24 14:06:26 |
| 148.247.218.0/24 | 20,509 | 2026-07-24 14:06:26 |
| 148.247.14.0/24 | 20,504 | 2026-07-24 14:06:26 |
| 148.247.104.0/24 | 20,501 | 2026-07-24 14:32:32 |
| 148.247.70.0/24 | 20,499 | 2026-07-24 14:06:26 |
| 148.247.159.0/24 | 20,496 | 2026-07-24 14:06:26 |
| 148.247.183.0/24 | 20,495 | 2026-07-24 14:06:26 |
| 148.247.3.0/24 | 20,494 | 2026-07-24 14:06:26 |
| 148.247.124.0/24 | 20,492 | 2026-07-24 14:06:26 |
| 148.247.65.0/24 | 20,491 | 2026-07-24 14:06:26 |
| 148.247.154.0/24 | 20,488 | 2026-07-24 14:06:26 |
| 148.247.185.0/24 | 20,483 | 2026-07-24 14:06:26 |
| 148.247.186.0/24 | 20,483 | 2026-07-24 14:34:51 |
| 148.247.122.0/24 | 20,479 | 2026-07-24 14:06:26 |
| 148.247.5.0/24 | 20,471 | 2026-07-24 14:06:26 |
| 148.247.152.0/24 | 20,470 | 2026-07-24 14:06:26 |
| 148.247.123.0/24 | 20,462 | 2026-07-24 14:06:26 |
| 148.247.92.0/24 | 20,462 | 2026-07-24 14:06:26 |
| 148.247.95.0/24 | 20,461 | 2026-07-24 14:06:26 |
| 148.247.109.0/24 | 20,458 | 2026-07-24 14:06:26 |
| 148.247.158.0/24 | 20,456 | 2026-07-24 14:06:26 |
| 148.247.153.0/24 | 20,454 | 2026-07-24 14:06:26 |
| 148.247.160.0/24 | 20,451 | 2026-07-24 14:06:26 |
| 148.247.96.0/24 | 20,450 | 2026-07-24 14:34:51 |
| 148.247.71.0/24 | 20,449 | 2026-07-24 14:06:26 |
| 148.247.156.0/24 | 20,448 | 2026-07-24 14:34:51 |
| 148.247.1.0/24 | 20,444 | 2026-07-24 14:06:26 |
| 148.247.66.0/24 | 20,442 | 2026-07-24 14:34:51 |
| 148.247.98.0/24 | 20,442 | 2026-07-24 14:06:26 |
| 148.247.110.0/24 | 20,437 | 2026-07-24 14:06:26 |
| 148.247.220.0/24 | 20,433 | 2026-07-24 14:06:26 |
| 148.247.162.0/24 | 20,429 | 2026-07-24 14:06:26 |
| 148.247.64.0/24 | 20,429 | 2026-07-24 14:06:26 |
Showing top 50 of 85 announced prefixes by sample volume.
Frequently Asked Questions
What is AS3548?
AS3548 is an Autonomous System Number assigned to Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional. 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 AS3548 announce?
AS3548 announces 21.8K IPv4 addresses distributed across 47 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS3548?
AS3548 is operated by Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS3548 registered in?
AS3548 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
