Autonomous system
AS19 LEIDOS-AS
Unclassified ARIN
IPv4 addresses
135K
19 prefixes
IPv6 prefixes
5
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
Leidos
enterprise legacy
An early allocation (LEIDOS-AS) held today by Leidos, a large US science,
engineering, and IT services contractor formerly known as SAIC.
What it's used for
- Corporate networking for the company.
Notable
- A low AS number reflects an allocation from the internet's earliest years. The network dates to Science Applications International Corporation (SAIC), which spun off its services business as Leidos.
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 | 24 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS19- Registry name
- LEIDOS-AS
- Registrant
- Leidos, Inc.
- Abuse contact
- L_Network-Operations@Leidos.com
- Registered
- 1984-07-27
- Last changed
- 2026-03-05
- 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