Data as of Nov 4, 2026
209.1.0.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.1.0.0/16 since May 2005 | AS3561 | Internet provider | CenturyLink Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.1.5.0/24 since Nov 2018 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 209.1.6.0/24 since Nov 2020 | AS3561 | Unknown | CenturyLink Communications, LLC via Cherokee International 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 |
|---|---|---|---|---|---|---|
| 209.1.0.0/16 | 65,536 | CENTURYLINK-LEGACY-SAVVIS-BLK47 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Dec 6, 1996 | [email protected] |
| └ 209.1.1.240/28 | 16 | SAVV-S232829-1 | unknown | — | — | — |
| └ 209.1.2.0/23 | 512 | SAVV-T1082J-0 | unknown | — | — | — |
| └ 209.1.6.0/24 | 256 | SAVV-S230643-1 | Cherokee International LLC (CIL-55) · US | Reallocated | Oct 27, 2006 | — |
| └ 209.1.8.48/28 | 16 | SAVV-S232853-2 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 3,808 | 93% | 5 | |
| Unknown | 256 | 6.3% | 1 | |
| Business | 32 | 0.78% | 2 |
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2020
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 209.1.0.0/16
- Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK47
- 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-209-1-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Dec 6, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 6, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN