Data as of Nov 15, 2026
63.128.24.0/22
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.128.0.0/16 since May 2026 | AS3561 | Internet provider | CenturyLink Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.128.24.0/24 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. |
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 |
|---|---|---|---|---|---|---|
| 63.128.0.0/15 | 131,072 | CENTURYLINK-LEGACY-SAVVIS-BLK236 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Nov 30, 1999 | abuse@ |
| └ 63.128.24.0/22 | 1,024 | SAVV-S259964-24 | Blackbaud, Inc. (BLACK-159) · US | Reallocated | Aug 12, 2013 | randy. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 768 | 75% | 1 | |
| Unknown | 256 | 25% | 1 |
Network & registry
Announced by
Covering announcement 63.128.0.0/18
- Prefix
- 63.128.0.0/18
- Announced by
- AS3561 CenturyLink Communications, LLC
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK236
- Registrant
- CenturyLink Communications, LLC
- RIR
- ARIN
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
63.128.0.0/18
Routing history
- Pattern
- Stable
- First seen
- Jan 2021
- Current origin since
- Jan 2021 · 5.8 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 63.
128. 0. 0/ 15 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK236
- 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-63-128-0-0-2
- Parent
- NET-63-0-0-0-0
- Created
- Nov 30, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 30, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN