Data as of Nov 9, 2026
205.139.21.0/24
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.139.16.0/20 since Aug 2023 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 205.138.0.0/15 since May 2005 | AS3561 | Internet provider | CenturyLink 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 |
|---|---|---|---|---|---|---|
| 205. | 176,128 | CENTURYLINK-LEGACY-SAVVIS-BLK182 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Feb 15, 1995 | abuse@ |
| └ 205.139.21.0/28 | 16 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.16/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.24/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.32/28 | 16 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.48/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.56/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.64/28 | 16 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.80/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.88/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.96/27 | 32 | SAVV-S615579-0 | unknown | — | — | — |
| └ 205.139.21.128/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.136/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.144/29 | 8 | SAVV-S606376-0 | unknown | — | — | — |
| └ 205.139.21.152/29 | 8 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.160/28 | 16 | SAVV-S619126-0 | unknown | — | — | — |
| └ 205.139.21.216/29 | 8 | SAVV-S604518-0 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 184 | 72% | 16 | |
| Internet provider | 72 | 28% | 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
- Feb 2015
- Current origin since
- Oct 2020 · 6.0 yr
- Origin networks
- 2
- Last change of origin
- Apr 2021
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 205.
138. 0. 0 - 205. 140. 175. 255 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK182
- 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-205-138-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Feb 15, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN