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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 200.52.106.0/23 | 512 |
0.0%
|
Citigroup Inc. | MX | — | — |
| 192.193.87.0/24 | 256 |
0.0%
|
Citigroup Inc. | US | — | — |
| 200.52.96.0/24 | 256 |
0.0%
|
Citigroup Inc. | MX | — | — |
| 200.52.108.0/24 | 256 |
0.0%
|
Citigroup Inc. | MX | Mexico City | Cuauhtémoc |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS3073 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 |
|---|---|---|
| 200.52.96.0/24 | 9,419 | 2026-07-23 22:47:09 |
| 200.52.107.0/24 | 9,380 | 2026-07-23 22:46:51 |
| 200.52.106.0/24 | 9,337 | 2026-07-23 22:46:51 |
| 192.193.87.0/24 | 9,173 | 2026-07-23 22:46:52 |
| 200.52.108.0/24 | 8,117 | 2026-07-23 22:42:41 |
Frequently Asked Questions
What is AS3073?
AS3073 is an Autonomous System Number assigned to Citigroup Inc.. 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 AS3073 announce?
AS3073 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS3073?
AS3073 is operated by Citigroup Inc.. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.
What country is AS3073 registered in?
AS3073 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
