Autonomous system
AS1 LVLT-1
Unclassified ARIN
IPv4 addresses
7.04K
63 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
55
see address space
Summary
Level 3 (Lumen Technologies)
transit legacy
Autonomous System number 1 (LVLT-1), operated today by Level 3 / Lumen
Technologies as part of its global tier-1 backbone.
What it's used for
- Internet transit and backbone routing for one of the largest carrier networks in the world.
Notable
- The literal first AS number ever assigned. It was originally held by BBN, one of the original ARPANET contractors, and passed through Genuity to Level 3.
Interesting
- Level 3 later merged with CenturyLink, and the combined company rebranded as Lumen Technologies.
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 | 63 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS1- Registry name
- LVLT-1
- Registrant
- Level 3 Parent, LLC
- Abuse contact
- abuse@level3.com
- Registered
- 2001-09-20
- Last changed
- 2024-06-18
- 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