Data as of Nov 10, 2026
72.35.0.0/21
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.35.0.0/19 | 8,192 | CENTURYLINK-LEGACY-FMS-NET3 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | May 31, 2005 | abuse@ |
| └ 72.35.5.128/28 | 16 | CTL--S607334 | unknown | — | — | — |
| └ 72.35.6.32/28 | 16 | CTL--S607334 | unknown | — | — | — |
| └ 72.35.7.176/28 | 16 | CTL--S618403 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 2,000 | 98% | 4 | |
| Business | 48 | 2.3% | 3 |
Network & registry
Origin network
AS3561
US
- Name
- CenturyLink Communications, LLC
- Type
- Internet provider
- Registered
- Oct 7, 1998
- Domain
- lumen.com
- Website
- www.lumen.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2005
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2021
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 72.
35. 0. 0/ 19 - Netname
- CENTURYLINK-LEGACY-FMS-NET3
- Registrant
- CenturyLink Communications, LLC
- Organization
- CenturyLink Communications, LLC (CCL-534)
- Org address
- 100 CENTURYLINK DR, Monroe, LA, 71201
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-35-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- May 31, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- May 31, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN