Data as of Nov 4, 2026
63.128.0.0/15
No anonymizer spaceAnnounced only in parts
Announcement
21 inside
Type
Internet provider
85% of it
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.128.0.0/16 since May 2026 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.0.0/18 since Jan 2021 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.0.0/22 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.1.0/24 since Aug 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.7.0/24 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.8.0/22 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.12.0/24 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.14.0/24 since May 2023 | AS203 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.20.0/24 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.21.0/24 since Jul 2017 | AS30031 | Business | CenturyLink Communications, LLC | |
| 63.128.24.0/24 since May 2023 | AS203 | Unknown | CenturyLink Communications, LLC via Blackbaud, Inc. | |
| 63.128.34.0/23 since Aug 2016 | AS46263 | Business | CenturyLink Communications, LLC | |
| 63.128.64.0/18 since Aug 2020 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.85.0/24 since Nov 2019 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.88.0/24 since Nov 2019 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.102.0/23 since Apr 2026 | AS26584 | Business | CenturyLink Communications, LLC | |
| 63.128.102.0/24 since Oct 2025 | AS26584 | Business | CenturyLink Communications, LLC | |
| 63.128.103.0/24 since Oct 2025 | AS26584 | Business | CenturyLink Communications, LLC | |
| 63.128.128.0/18 since Nov 2018 | AS3561 | Internet provider | CenturyLink Communications, LLC | |
| 63.128.130.0/24 since Feb 2011 | AS22013 | Business | CenturyLink Communications, LLC via Guardian Analytics, Inc. | |
| 63.128.170.0/24 since Feb 2013 | AS22013 | Business | CenturyLink Communications, LLC via Guardian Analytics |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 56,016 | 85% | 102 | |
| Business | 5,936 | 9.1% | 201 | |
| Unknown | 3,072 | 4.7% | 8 | |
| Hosting | 512 | 0.78% | 1 |