Data as of Nov 6, 2026
204.71.176.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.70.0.0/15 since May 2005 | AS3561 | Internet provider | CenturyLink Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.71.178.0/24 since Jul 2021 | AS396167 | Business | CenturyLink Communications, LLC | |
| 204.71.179.0/24 since Jul 2021 | AS396167 | Business | 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 |
|---|---|---|---|---|---|---|
| 204.70.0.0/15 | 131,072 | CENTURYLINK-LEGACY-SAVVIS-BLK189 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Jun 22, 1994 | abuse@ |
| └ 204.71.176.0/24 | 256 | SAVV-S260360-6 | unknown | — | — | — |
| └ 204.71.178.0/23 | 512 | 204-71-178-0-23 | Blackhawk Network, Inc. (BN-545) · US | Reassigned | Aug 30, 2023 | — |
| └ 204.71.190.0/24 | 256 | SAVV-S234746-7 | 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 | 3,584 | 88% | 2 | |
| Business | 512 | 13% | 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 · 6.3 yr
- Origin networks
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 204.71.177.0/24 | AS10310 | RADB | Yahoo /24 in snv | MAINT-AS10310 | Nov 13, 2023 |
| 204.71.177.0/24 | AS10310 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Dec 23, 2016 |
| 204.71.188.0/24 | AS10310 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Dec 23, 2016 |
Whois
Registration for this announcement
- Range
- 204.
70. 0. 0/ 15 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK189
- 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-204-70-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jun 22, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 22, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN