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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 148.201.0.0/16 | 65.5K |
0.2%
|
ITESO, A.C. | MX | Jalisco | Tlaquepaque |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1831 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 |
|---|---|---|
| 148.201.58.0/24 | 22,904 | 2026-07-18 12:01:20 |
| 148.201.0.0/16 | 16,006 | 2026-07-18 12:01:19 |
Frequently Asked Questions
What is AS1831?
AS1831 is an Autonomous System Number assigned to ITESO, A.C.. 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 AS1831 announce?
AS1831 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS1831?
AS1831 is operated by ITESO, A.C.. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS1831 registered in?
AS1831 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
