Data as of Nov 8, 2026
81.181.172.0/23
AnonymizerAnnounced only in parts
Announcement
2 inside
Type
Datacenter proxy
50% of it
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 81.181.172.0/23 | /24s |
|---|---|---|---|
| IPRoyal | 25650% | 1 |
Leased from
Owners leasing their own space
| Name | In 81.181.172.0/23 | /24s |
|---|---|---|
| Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti | 512100% | 2 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Holder | RPKI |
|---|---|---|---|---|---|
| 81.181.172.0/24 since Feb 2026 | AS2914 | ISP proxy | Proxy providerssold by IPRoyal | Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti | |
| 81.181.173.0/24 since Oct 2025 | AS51765 | Datacenter proxy | Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Datacenter proxyanonymizer | 256 | 50% | 1 | |
| ISP proxyanonymizer | 256 | 50% | 1 |