Autonomous system
AS203 CENTURYLINK-LEGACY-LVLT-203
Unclassified ARIN
IPv4 addresses
106K
67 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
Lumen (Level 3 / CenturyLink legacy)
transit legacy
A legacy allocation (CENTURYLINK-LEGACY-LVLT-203) now part of Lumen
Technologies, inherited through the Level 3 and CenturyLink lineage.
What it's used for
- Backbone and transit networking within the Lumen/Level 3 network.
Notable
- A carrier transit network today. The low AS number reflects an allocation from the internet's earliest years, predating the many mergers that produced Lumen.
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 | 67 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS203- Registry name
- CENTURYLINK-LEGACY-LVLT-203
- Registrant
- Level 3 Parent, LLC
- Abuse contact
- abuse@level3.com
- Registered
- 2002-06-05
- Last changed
- 2019-12-04
- 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