AS278
Universidad Nacional Autonoma de Mexico
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
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →AS278 — global IP footprint
Cities where AS278 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 |
|---|---|---|---|---|---|---|
| 132.247.0.0/16 | 65.5K |
16.5%
|
Universidad Nacional Autonoma de Mexico | MX | Mexico City | Mexico City |
| 132.248.0.0/16 | 65.5K |
8.7%
|
Universidad Nacional Autonoma de Mexico | MX | Mexico City | Mexico City |
| 192.100.199.0/24 | 256 |
56.6%
|
Universidad Nacional Autonoma de Mexico | MX | Mexico City | Mexico City |
| 192.100.200.0/24 | 256 |
5.5%
|
Universidad Nacional Autonoma de Mexico | MX | Mexico City | Mexico City |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS278 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 |
|---|---|---|
| 132.248.216.0/24 | 84,296 | 2026-07-23 10:34:20 |
| 132.247.111.0/24 | 84,258 | 2026-07-23 10:34:20 |
| 132.247.85.0/24 | 84,199 | 2026-07-23 10:34:20 |
| 132.248.79.0/24 | 84,190 | 2026-07-23 10:34:20 |
| 132.248.188.0/24 | 84,128 | 2026-07-23 10:34:20 |
| 132.247.84.0/24 | 84,088 | 2026-07-23 10:34:20 |
| 132.248.226.0/24 | 83,917 | 2026-07-23 10:34:20 |
| 132.247.91.0/24 | 55,095 | 2026-07-23 10:03:47 |
| 132.248.91.0/24 | 54,326 | 2026-07-23 10:03:47 |
| 132.247.45.0/24 | 53,733 | 2026-07-23 10:34:19 |
| 132.248.30.0/24 | 51,917 | 2026-07-23 10:21:36 |
| 132.247.155.0/24 | 50,515 | 2026-07-23 10:34:19 |
| 132.247.51.0/24 | 49,677 | 2026-07-23 10:34:18 |
| 132.247.88.0/24 | 44,780 | 2026-07-23 10:34:19 |
| 132.247.89.0/24 | 44,762 | 2026-07-23 10:34:19 |
| 132.247.161.0/24 | 44,719 | 2026-07-23 10:34:19 |
| 132.248.142.0/24 | 44,639 | 2026-07-23 10:34:19 |
| 132.248.219.0/24 | 44,595 | 2026-07-23 10:34:19 |
| 132.248.248.0/24 | 44,584 | 2026-07-23 10:34:19 |
| 132.248.179.0/24 | 44,582 | 2026-07-23 10:34:19 |
| 132.248.185.0/24 | 44,577 | 2026-07-23 10:34:19 |
| 132.248.24.0/24 | 42,833 | 2026-07-23 09:46:58 |
| 132.247.98.0/24 | 39,591 | 2026-07-23 09:58:14 |
| 132.248.98.0/24 | 39,540 | 2026-07-23 09:58:14 |
| 132.248.180.0/24 | 36,591 | 2026-07-23 10:34:20 |
| 132.247.130.0/24 | 33,561 | 2026-07-23 10:34:18 |
| 132.247.156.0/24 | 33,454 | 2026-07-23 10:34:18 |
| 132.247.180.0/24 | 32,949 | 2026-07-23 10:21:36 |
| 132.248.88.0/24 | 32,696 | 2026-07-23 10:21:36 |
| 132.247.20.0/24 | 32,071 | 2026-07-23 10:34:19 |
| 132.247.172.0/24 | 31,027 | 2026-07-23 10:34:19 |
| 132.247.175.0/24 | 30,262 | 2026-07-23 10:34:19 |
| 132.248.121.0/24 | 28,849 | 2026-07-23 09:58:14 |
| 132.248.227.0/24 | 28,611 | 2026-07-23 10:34:19 |
| 132.247.94.0/24 | 27,863 | 2026-07-23 09:58:14 |
| 132.248.191.0/24 | 27,750 | 2026-07-23 10:34:19 |
| 132.248.94.0/24 | 27,230 | 2026-07-23 09:58:14 |
| 132.247.87.0/24 | 26,953 | 2026-07-23 10:34:19 |
| 132.247.46.0/24 | 26,305 | 2026-07-23 10:34:19 |
| 132.248.238.0/24 | 26,152 | 2026-07-23 10:21:36 |
| 132.247.184.0/24 | 25,951 | 2026-07-23 10:34:15 |
| 132.248.196.0/24 | 25,946 | 2026-07-23 10:34:15 |
| 132.247.165.0/24 | 25,895 | 2026-07-23 10:34:18 |
| 132.247.23.0/24 | 25,795 | 2026-07-23 10:34:15 |
| 132.248.172.0/24 | 25,782 | 2026-07-23 10:34:15 |
| 132.247.181.0/24 | 25,777 | 2026-07-23 10:34:15 |
| 132.248.81.0/24 | 25,752 | 2026-07-23 10:34:15 |
| 132.247.224.0/24 | 25,686 | 2026-07-23 10:34:15 |
| 132.247.196.0/24 | 25,581 | 2026-07-23 10:34:15 |
| 132.247.97.0/24 | 25,408 | 2026-07-23 09:58:14 |
Showing top 50 of 167 announced prefixes by sample volume.
Frequently Asked Questions
What is AS278?
AS278 is an Autonomous System Number assigned to Universidad Nacional Autonoma de Mexico. 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 AS278 announce?
AS278 announces 131.6K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS278?
AS278 is operated by Universidad Nacional Autonoma de Mexico. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS278 registered in?
AS278 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
