Data as of Nov 14, 2026
204.57.75.0/28
No anonymizer space · no proxy exits in 30 daysLevel 3 Parent, LLC
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 204.57.64.0/18 | 16,384 | TWTC-NETBLK-15 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Sep 27, 1994 | abuse@ |
| └ 204.57.75.0/28 | 16 | TWTC-OFC-01 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 204.57.64.0/18
- Prefix
- 204.57.64.0/18
- Announced by
- AS3549 Level 3 Parent, LLC
- Type
- Internet provider
- Proxy exits
- 2
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- TWTC-NETBLK-15
- Registrant
- Level 3 Parent, LLC
- RIR
- ARIN
Origin network
AS3549
US
- Name
- Level 3 Parent, LLC
- Type
- Internet provider
- Registered
- Mar 21, 2000
- Domain
- lumen.com
- Website
- www.lumen.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.57.64.0/18
204.57.64.0/18
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Oct 2016
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 204.
57. 64. 0/ 18 - Netname
- TWTC-NETBLK-15
- Registrant
- Level 3 Parent, LLC
- Organization
- Level 3 Parent, LLC (LPL-141)
- Org address
- 100 CenturyLink Drive, Monroe, LA, 71203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-57-64-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Sep 27, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 27, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
level3. com - Name
- L3 Abuse Contact
- Phone
- +1-877-453-8353
- Handle
- LAC56-ARIN