Data as of Nov 9, 2026
63.137.64.0/20
No anonymizer space · no proxy exits in 30 daysCenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.137.0.0/16 since May 2005 | AS3561 | Internet provider | CenturyLink Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.137.77.0/24 since Feb 2024 | AS398701 | 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 |
|---|---|---|---|---|---|---|
| 63. | 100,352 | CENTURYLINK-LEGACY-SAVVIS-BLK232 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Jun 14, 2000 | abuse@ |
| └ 63.137.64.144/28 | 16 | SAVV-S624371-0 | unknown | — | — | — |
| └ 63.137.64.176/29 | 8 | SAVV-S625695-0 | unknown | — | — | — |
| └ 63.137.64.192/26 | 64 | SAVV-S622782-0 | unknown | — | — | — |
| └ 63.137.67.0/27 | 32 | SAVV-S609890-0 | unknown | — | — | — |
| └ 63.137.67.32/27 | 32 | SAVV-S619772-0 | unknown | — | — | — |
| └ 63.137.67.64/27 | 32 | SAVV-S619772-0 | unknown | — | — | — |
| └ 63.137.67.112/29 | 8 | SAVV-S624184-0 | unknown | — | — | — |
| └ 63.137.67.120/29 | 8 | SAVV-S619772-0 | unknown | — | — | — |
| └ 63.137.67.128/29 | 8 | SAVV-S619772-0 | unknown | — | — | — |
| └ 63.137.67.192/26 | 64 | SAVV-S625695-0 | unknown | — | — | — |
| └ 63.137.68.0/24 | 256 | SAVV-S624020-0 | unknown | — | — | — |
| └ 63.137.70.16/28 | 16 | SAVV-S624524-0 | unknown | — | — | — |
| └ 63.137.70.32/28 | 16 | SAVV-S624524-0 | unknown | — | — | — |
| └ 63.137.70.48/29 | 8 | SAVV-S624524-0 | unknown | — | — | — |
| └ 63.137.70.56/29 | 8 | SAVV-S624835-0 | unknown | — | — | — |
| └ 63.137.70.64/27 | 32 | SAVV-S620331-0 | unknown | — | — | — |
| └ 63.137.70.96/28 | 16 | SAVV-S620331-0 | unknown | — | — | — |
| └ 63.137.70.136/29 | 8 | SAVV-S626546-0 | unknown | — | — | — |
| └ 63.137.70.144/28 | 16 | SAVV-S626437-0 | unknown | — | — | — |
| └ 63.137.70.160/27 | 32 | SAVV-S626441-0 | unknown | — | — | — |
| └ 63.137.70.200/29 | 8 | SAVV-S626209-0 | unknown | — | — | — |
| └ 63.137.70.208/28 | 16 | SAVV-S626633-0 | unknown | — | — | — |
| └ 63.137.70.224/29 | 8 | SAVV-S618405-0 | unknown | — | — | — |
| └ 63.137.70.232/29 | 8 | SAVV-S626749-0 | unknown | — | — | — |
| └ 63.137.70.240/29 | 8 | SAVV-S603842-0 | unknown | — | — | — |
| └ 63.137.70.248/29 | 8 | SAVV-S603842-0 | unknown | — | — | — |
| └ 63.137.71.0/24 | 256 | SAVV-S623372-0 | unknown | — | — | — |
| └ 63.137.72.192/26 | 64 | SAVV-S626546-0 | unknown | — | — | — |
| └ 63.137.73.0/24 | 256 | SAVV-S618405-0 | unknown | — | — | — |
| └ 63.137.74.0/28 | 16 | SAVV-S626749-0 | unknown | — | — | — |
| └ 63.137.74.64/28 | 16 | SAVV-S604142-47 | unknown | — | — | — |
| └ 63.137.74.96/29 | 8 | SAVV-S625603-0 | unknown | — | — | — |
| └ 63.137.74.112/28 | 16 | SAVV-S623918-6 | unknown | — | — | — |
| └ 63.137.74.128/25 | 128 | SAVV-S603842-0 | unknown | — | — | — |
| └ 63.137.75.0/24 | 256 | SAVV-S603842-0 | unknown | — | — | — |
| └ 63.137.76.0/25 | 128 | SAVV-S622253-11 | unknown | — | — | — |
| └ 63.137.76.128/26 | 64 | SAVV-S605277-0 | unknown | — | — | — |
| └ 63.137.76.192/27 | 32 | SAVV-S627531-0 | unknown | — | — | — |
| └ 63.137.76.224/27 | 32 | SAVV-S640207-0 | unknown | — | — | — |
| └ 63.137.77.0/24 | 256 | SAVV-S620795-0 | Sleep Number Corporation (SNC-174) · US | Reassigned | Aug 13, 2020 | — |
| └ 63.137.78.0/25 | 128 | SAVV-S627505-0 | unknown | — | — | — |
| └ 63.137.78.160/29 | 8 | SAVV-S640209-0 | unknown | — | — | — |
| └ 63.137.78.168/29 | 8 | SAVV-S618405-6 | unknown | — | — | — |
| └ 63.137.78.192/28 | 16 | SAVV-S640209-0 | unknown | — | — | — |
| └ 63.137.78.208/28 | 16 | SAVV-S626441-0 | unknown | — | — | — |
| └ 63.137.78.240/28 | 16 | SAVV-S641413-0 | unknown | — | — | — |
| └ 63.137.79.0/24 | 256 | SAVV-S625693-0 | 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 | 2,664 | 65% | 19 | |
| Business | 1,432 | 35% | 42 |
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
- Sep 2018
- Current origin since
- Sep 2018 · 8.2 yr
- Origin networks
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 63.137.73.0/24 | AS19367 | RADB | Customer Proxy Route | MAINT-AS1828 | Nov 13, 2023 |
| 63.137.79.0/24 | AS394928 | RADB | RR-RC-Pollock Investment/ORORA-TWC | MAINT-RR | Jun 26, 2026 |
Whois
Registration for this announcement
- Range
- 63.
136. 120. 0 - 63. 137. 255. 255 - Netname
- CENTURYLINK-LEGACY-SAVVIS-BLK232
- 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-63-136-120-0-1
- Parent
- NET-63-0-0-0-0
- Created
- Jun 14, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 14, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
aup. lumen. com - Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN