Autonomous system
AS2912 CITI5
Unclassified ARIN
IPv4 addresses
3.58K
8 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
Citigroup (Citicorp)
enterprise legacy
A corporate network of Citigroup / Citicorp (CITI5), the global banking and
financial services company.
What it's used for
- Internal enterprise and banking-operations networking for Citigroup.
Notable
- An enterprise financial-services network, not a commercial ISP. Citigroup holds several low, sequentially numbered ASNs (
CITI1,CITI2,CITI5, and [AS2911](https://asn.ipinfo.app/AS2911)), reflecting early allocations to a major bank.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 8 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS2912- Registry name
- CITI5
- Registrant
- Citigroup Inc.
- Abuse contact
- domain.admin@citi.com
- Registered
- 1993-09-10
- Last changed
- 2023-07-10
- Status
- active
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
No IC3 indicators Nothing from the FBI IC3 feed.
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere