AS1840
Universidad de Las Americas-Puebla
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 →
AS1840 — global IP footprint
Cities where AS1840 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 |
|---|---|---|---|---|---|---|
| 140.148.0.0/16 | 65.5K |
12.3%
|
Universidad de Las Americas-Puebla | MX | Puebla | Puebla City |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1840 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 |
|---|---|---|
| 140.148.61.0/24 | 71,453 | 2026-07-24 14:51:02 |
| 140.148.31.0/24 | 70,104 | 2026-07-24 14:51:02 |
| 140.148.32.0/24 | 69,954 | 2026-07-24 14:51:02 |
| 140.148.12.0/24 | 58,754 | 2026-07-24 14:51:02 |
| 140.148.11.0/24 | 58,623 | 2026-07-24 14:51:02 |
| 140.148.160.0/21 | 39,643 | 2026-07-24 14:52:57 |
| 140.148.20.0/22 | 30,453 | 2026-07-24 14:51:02 |
| 140.148.2.0/24 | 17,921 | 2026-07-18 01:11:08 |
| 140.148.47.0/24 | 15,482 | 2026-07-18 01:11:08 |
| 140.148.46.0/24 | 15,434 | 2026-07-18 01:11:08 |
| 140.148.42.0/24 | 15,349 | 2026-07-18 01:11:08 |
| 140.148.44.0/24 | 14,966 | 2026-07-18 01:11:08 |
| 140.148.45.0/24 | 14,848 | 2026-07-18 01:11:08 |
| 140.148.43.0/24 | 14,834 | 2026-07-18 01:11:08 |
| 140.148.40.0/24 | 14,638 | 2026-07-18 01:11:08 |
| 140.148.41.0/24 | 14,296 | 2026-07-18 01:11:08 |
| 140.148.0.0/16 | 13,284 | 2026-07-24 13:53:52 |
| 140.148.138.0/24 | 11,559 | 2026-07-18 01:11:08 |
| 140.148.99.0/24 | 11,546 | 2026-07-18 01:11:08 |
| 140.148.24.0/22 | 11,544 | 2026-07-18 01:11:08 |
| 140.148.48.0/22 | 11,538 | 2026-07-18 01:11:08 |
| 140.148.36.0/22 | 11,534 | 2026-07-18 01:11:08 |
| 140.148.192.0/18 | 11,515 | 2026-07-18 01:11:08 |
| 140.148.128.0/19 | 5,977 | 2026-06-04 08:31:55 |
| 140.148.0.0/17 | 5,973 | 2026-06-04 08:31:55 |
| 140.148.135.0/24 | 3,644 | 2026-06-02 23:01:37 |
| 140.148.117.0/24 | 3,226 | 2026-06-02 23:01:37 |
| 140.148.111.0/24 | 3,007 | 2026-06-02 22:36:23 |
| 140.148.110.0/24 | 2,861 | 2026-06-02 17:59:33 |
| 140.148.126.0/24 | 2,655 | 2026-06-01 22:09:10 |
| 140.148.1.0/24 | 27 | 2026-05-19 23:51:07 |
Frequently Asked Questions
What is AS1840?
AS1840 is an Autonomous System Number assigned to Universidad de Las Americas-Puebla. 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 AS1840 announce?
AS1840 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS1840?
AS1840 is operated by Universidad de Las Americas-Puebla. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS1840 registered in?
AS1840 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
