AS28391
Universidad Juarez Autonoma de Tabasco
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
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28391 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 |
|---|---|---|
| 148.236.66.0/24 | 25,639 | 2026-07-21 01:03:09 |
| 148.236.27.0/24 | 25,604 | 2026-07-21 01:03:09 |
| 148.236.26.0/24 | 25,465 | 2026-07-21 01:03:09 |
| 148.236.99.0/24 | 25,401 | 2026-07-21 01:03:09 |
| 148.236.189.0/24 | 25,231 | 2026-07-21 01:03:09 |
| 148.236.249.0/24 | 25,197 | 2026-07-21 01:03:09 |
| 148.236.126.0/24 | 25,188 | 2026-07-21 01:03:09 |
| 148.236.149.0/24 | 25,180 | 2026-07-21 01:03:09 |
| 148.236.217.0/24 | 25,164 | 2026-07-21 01:03:09 |
| 148.236.219.0/24 | 25,115 | 2026-07-21 01:03:09 |
| 148.236.167.0/24 | 25,077 | 2026-07-21 01:03:09 |
| 148.236.47.0/24 | 24,989 | 2026-07-21 01:03:09 |
| 148.236.57.0/24 | 24,976 | 2026-07-21 01:03:09 |
| 148.236.159.0/24 | 24,975 | 2026-07-21 01:03:09 |
| 148.236.136.0/24 | 24,965 | 2026-07-21 01:03:09 |
| 148.236.169.0/24 | 24,961 | 2026-07-21 01:03:09 |
| 148.236.97.0/24 | 24,953 | 2026-07-21 01:03:09 |
| 148.236.87.0/24 | 24,951 | 2026-07-21 01:03:09 |
| 148.236.186.0/24 | 24,926 | 2026-07-21 01:03:09 |
| 148.236.96.0/24 | 24,903 | 2026-07-21 01:03:09 |
| 148.236.109.0/24 | 24,875 | 2026-07-21 01:03:09 |
| 148.236.216.0/24 | 24,855 | 2026-07-21 01:03:09 |
| 148.236.16.0/24 | 24,822 | 2026-07-21 01:03:09 |
| 148.236.7.0/24 | 24,805 | 2026-07-21 01:03:09 |
| 148.236.59.0/24 | 24,798 | 2026-07-21 01:03:09 |
| 148.236.19.0/24 | 24,796 | 2026-07-21 01:03:09 |
| 148.236.6.0/24 | 24,778 | 2026-07-21 01:03:09 |
| 148.236.9.0/24 | 24,735 | 2026-07-21 01:03:09 |
| 148.236.76.0/24 | 24,730 | 2026-07-21 01:03:09 |
| 148.236.56.0/24 | 24,721 | 2026-07-21 01:03:09 |
| 148.236.49.0/24 | 24,711 | 2026-07-21 01:03:09 |
| 148.236.250.0/24 | 24,017 | 2026-07-21 01:03:09 |
| 148.236.211.0/24 | 23,972 | 2026-07-21 01:03:09 |
| 148.236.205.0/24 | 23,895 | 2026-07-21 01:03:09 |
| 148.236.241.0/24 | 23,892 | 2026-07-21 01:03:09 |
| 148.236.253.0/24 | 23,891 | 2026-07-21 01:03:09 |
| 148.236.123.0/24 | 23,888 | 2026-07-21 01:03:09 |
| 148.236.231.0/24 | 23,869 | 2026-07-21 01:03:09 |
| 148.236.121.0/24 | 23,866 | 2026-07-21 01:03:09 |
| 148.236.181.0/24 | 23,856 | 2026-07-21 01:03:09 |
| 148.236.213.0/24 | 23,849 | 2026-07-21 01:03:09 |
| 148.236.131.0/24 | 23,828 | 2026-07-21 01:03:09 |
| 148.236.142.0/24 | 23,822 | 2026-07-21 01:03:09 |
| 148.236.41.0/24 | 23,820 | 2026-07-21 01:03:09 |
| 148.236.161.0/24 | 23,809 | 2026-07-21 01:03:09 |
| 148.236.233.0/24 | 23,807 | 2026-07-21 01:03:09 |
| 148.236.143.0/24 | 23,804 | 2026-07-21 01:03:09 |
| 148.236.35.0/24 | 23,798 | 2026-07-21 01:03:09 |
| 148.236.230.0/24 | 23,796 | 2026-07-21 01:03:09 |
| 148.236.192.0/24 | 23,792 | 2026-07-21 01:03:09 |
Showing top 50 of 161 announced prefixes by sample volume.
Frequently Asked Questions
What is AS28391?
AS28391 is an Autonomous System Number assigned to Universidad Juarez Autonoma de Tabasco. 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 AS28391 announce?
AS28391 announces 41.2K IPv4 addresses distributed across 72 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS28391?
AS28391 is operated by Universidad Juarez Autonoma de Tabasco. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS28391 registered in?
AS28391 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
