Data as of Nov 5, 2026
137.133.0.0/16
No anonymizer space · no proxy exits in 30 daysAnnounced only in parts
Announcement
16 inside
Type
Unknown
90% 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 |
|---|---|---|---|---|
| 137.133.0.0/24 since Apr 2026 | AS20868 | Business | ABB AS | |
| 137.133.8.0/24 since May 2017 | AS20868 | Business | ABB AS | |
| 137.133.9.0/24 since Oct 2024 | AS12552 | Business | ABB AS | |
| 137.133.13.0/24 since Jun 2023 | AS20868 | Business | ABB AS | |
| 137.133.14.0/24 since Jun 2023 | AS20868 | Business | ABB AS | |
| 137.133.16.0/24 since Sep 2025 | AS20868 | Business | ABB AS | |
| 137.133.17.0/24 since Sep 2025 | AS20868 | Business | ABB AS | |
| 137.133.21.0/24 since Mar 2022 | AS12552 | Business | ABB AS | |
| 137.133.22.0/24 since Oct 2024 | AS20868 | Business | ABB AS | |
| 137.133.25.0/24 since Mar 2022 | AS12552 | Unknown | ABB AS | |
| 137.133.26.0/24 since Mar 2024 | AS20868 | Business | ABB AS | |
| 137.133.64.0/24 since Jul 2023 | AS852 | Business | ABB AS | |
| 137.133.96.0/24 since May 2025 | AS20868 | Business | ABB AS | |
| 137.133.98.0/24 since May 2025 | AS20868 | Business | ABB AS | |
| 137.133.99.0/24 since Nov 2025 | AS20868 | Business | ABB AS | |
| 137.133.128.0/17 since Mar 2022 | AS12552 | Unknown | ABB AS |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
36,608 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Unknown | 33,024 | 90% | 2 | |
| Business | 3,584 | 9.8% | 14 |