Data as of Nov 8, 2026

81.181.104.0/21

1 anonymizer address · 0.05% · Tor exit1 residential-proxy exit · 30 days

Announced only in parts

Announcement
8 inside
Type
Hosting
>99% of it

Residential-proxy exits

Proxy exits
1
0.05% of its addresses · 30 days
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2 observations

Operators, sellers and brokers

Tor

NameParentIn 81.181.104.0/21/24s
TorThe Tor Project
10.05%
1

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

PrefixOriginTypeAnonymizer addressesOperatorHolderRPKI
81.181.104.0/24
since Jun 2022
AS9009Hosting10.39%Tor exitoperated by TorInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.105.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.106.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.107.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.108.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.109.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.110.0/24
since Jun 2022
AS9009HostingInstitutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti
81.181.111.0/24
since Jun 2022
AS9009HostingInstitutul 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

2,048 addresses
TypeAddressesShareRanges
Hosting2,047>99%22
Tor exitanonymizer10.05%1