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Data as of Nov 6, 2026

150.254.0.0/16

291 residential-proxy exits · 30 days

Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

Announcement
this exact prefix
No RPKI
Announced by
AS9112
Type
Business

Residential-proxy exits

Proxy exits
291
0.44% of its addresses · 30 days
Always-on exits
6
2.1% of its exits
Spread
72 of 256
/24s with at least one exit
Providers
66
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

16K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
150.254.151.0/2418
150.254.36.0/2413
150.254.230.0/2412
150.254.159.0/2412
150.254.145.0/2412
150.254.10.0/2411
150.254.104.0/24015
150.254.113.0/24012
150.254.73.0/24012
150.254.60.0/24011
150.254.13.0/24011
150.254.18.0/24010
150.254.119.0/2408
150.254.93.0/2408
150.254.74.0/2408
150.254.63.0/2408
150.254.118.0/2407
150.254.81.0/2407
150.254.222.0/2407
150.254.61.0/2407
150.254.75.0/2407
150.254.82.0/2407
150.254.107.0/2407
150.254.80.0/2406

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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

Arrived
PrefixOriginTypeProxy exitsHolderRPKI
150.254.1.0/24
since Jun 2022
AS206523Business1Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.2.0/23
since Jun 2022
AS206523Business2Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.3.0/24
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.4.0/22
since Jun 2022
AS206523Business1Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.8.0/21
since Jun 2022
AS206523Business14
1 always on
Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.16.0/20
since Jun 2022
AS206523Business11Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.32.0/22
since Jun 2022
AS206523Business1Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.40.0/23
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.42.0/24
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.46.0/23
since Jul 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.50.0/23
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.52.0/23
since Jun 2022
AS206523Business4Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.54.0/24
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.129.0/24
since Feb 2025
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.130.0/23
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.132.0/22
since Jun 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
150.254.140.0/24
since Jul 2022
AS206523BusinessInstitute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
150.254.0.0/1665,536PL-POZMAN-980508Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center (ORG-PSAN1-RIPE) · PLLEGACYFeb 20, 2002cert@man.poznan.pl
└ 150.254.0.0/212,048POZMAN-PP-1-21Address space for Poznan University of TechnologyLEGACYFeb 22, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.8.0/24256POZMAN-EDU-150-254-008-000-24Address space for Poznan Univercity of TechnologyLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.9.0 - 150.254.35.2556,912POZMAN-PP-2-20Address space for Poznan University of TechnologyLEGACYFeb 22, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.36.0/24256POZMAN-EDU-150-254-036-000-24Address space for Poznan University of EconomicsLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.37.0/24256POZMAN-EDU-150-254-037-000-24Address space for Poznan University of EconomicsLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.38.0/24256POZMAN-EDU-150-254-038-000-24Address space for Poznan University of EconomicsLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.39.0/24256POZMAN-EDU-150-254-039-000-24Address space for Poznan University of EconomicsLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.40.0 - 150.254.42.255768POZMAN-PP-3-22Address space for Poznan University of TechnologyLEGACYApr 29, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.44.0/24256POZMAN-PP-7-24Address space for Poznan University of TechnologyLEGACYSep 9, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.45.0 - 150.254.47.255768POZMAN-PP-4-22Address space for Poznan University of TechnologyLEGACYApr 29, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.50.0 - 150.254.54.2551,280POZMAN-PP-5-22Address space for Poznan University of TechnologyLEGACYApr 29, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.55.0/24256POZMAN-NANOBIOMED-1-24Address space for Uniwersytet im. Adama Mickiewicza w PoznaniuLEGACYJul 28, 2011cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.61.0/24256POZMAN-EDU-150-254-061-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.62.0/24256POZMAN-EDU-150-254-062-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.63.0/24256POZMAN-EDU-150-254-063-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.64.0/24256POZMAN-EDU-150-254-064-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.65.0/24256POZMAN-EDU-150-254-065-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.66.0/24256POZMAN-EDU-150-254-066-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.67.0/24256POZMAN-EDU-150-254-067-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.68.0/24256POZMAN-EDU-150-254-068-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.69.0/24256POZMAN-EDU-150-254-069-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.70.0/24256POZMAN-EDU-150-254-070-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.71.0/24256POZMAN-EDU-150-254-071-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.72.0/24256POZMAN-EDU-150-254-072-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.73.0/24256POZMAN-EDU-150-254-073-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.74.0/24256POZMAN-EDU-150-254-074-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.75.0/24256POZMAN-EDU-150-254-075-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.76.0/24256POZMAN-EDU-150-254-076-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.77.0/24256POZMAN-EDU-150-254-077-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.78.0/24256POZMAN-EDU-150-254-078-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.79.0/24256POZMAN-EDU-150-254-079-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.80.0/24256POZMAN-EDU-150-254-080-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.81.0/24256POZMAN-EDU-150-254-081-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.82.0/24256POZMAN-EDU-150-254-082-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.83.0/24256POZMAN-EDU-150-254-083-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.84.0/24256POZMAN-EDU-150-254-084-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.85.0/24256POZMAN-EDU-150-254-085-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.86.0/24256POZMAN-EDU-150-254-086-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.87.0/24256POZMAN-EDU-150-254-087-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.88.0/24256POZMAN-EDU-150-254-088-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.89.0/24256POZMAN-EDU-150-254-089-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.90.0/24256POZMAN-EDU-150-254-090-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.91.0/24256POZMAN-EDU-150-254-091-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.92.0/24256POZMAN-EDU-150-254-092-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.93.0/24256POZMAN-EDU-150-254-093-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.94.0/24256POZMAN-EDU-150-254-094-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.95.0/24256POZMAN-EDU-150-254-095-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.96.0/24256POZMAN-EDU-150-254-096-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.97.0/24256POZMAN-EDU-150-254-097-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.98.0/24256POZMAN-EDU-150-254-098-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.99.0/24256POZMAN-EDU-150-254-099-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.100.0/24256POZMAN-EDU-150-254-100-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.101.0/24256POZMAN-EDU-150-254-101-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.102.0/24256POZMAN-EDU-150-254-102-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.103.0/24256POZMAN-EDU-150-254-103-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.104.0/24256POZMAN-EDU-150-254-104-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.105.0/24256POZMAN-EDU-150-254-105-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.106.0/24256POZMAN-EDU-150-254-106-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.107.0/24256POZMAN-EDU-150-254-107-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.108.0/24256POZMAN-EDU-150-254-108-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.109.0/24256POZMAN-EDU-150-254-109-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.110.0/24256POZMAN-EDU-150-254-110-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.111.0/24256POZMAN-EDU-150-254-111-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.112.0/24256POZMAN-EDU-150-254-112-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.113.0/24256POZMAN-EDU-150-254-113-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.114.0/24256POZMAN-EDU-150-254-114-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.115.0/24256POZMAN-EDU-150-254-115-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.116.0/24256POZMAN-EDU-150-254-116-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.117.0/24256POZMAN-EDU-150-254-117-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.118.0/24256POZMAN-EDU-150-254-118-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.119.0/24256POZMAN-EDU-150-254-119-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.129.0 - 150.254.147.2554,864POZMAN-PP-6-19Address space for Poznan University of TechnologyLEGACYApr 29, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.129.0/24256POZMAN-PP-150-254-129-0--150-254-129-255Address space for Poznan University of TechnologyLEGACYApr 7, 2022cert@man.poznan.pl
via POZMAN-PP-6-19
└ 150.254.152.192/2664POZMAN-RADIO-MERKURY-1-26-TO-BE-READDRESSEDAddress space for Radio "MERKURY" S.A.LEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.160.208/2816POZMAN-MUZARP-2-28Addres space for Muzeum Archeologiczne PoznanLEGACYApr 3, 2017cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.164.128/2664POZMAN-BKPAN-1-26Address space for Polska Akademia Nauk Biblioteka KornickaLEGACYApr 4, 2012cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.166.48/298POZMAN-MUZARP-1-29Addres space for Muzeum Archeologiczne PoznanLEGACYAug 29, 2012cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.166.232/298POZMAN-INSTYTUT-METALI-1-29Address space for Siec Badawcza LukasiewiczLEGACYFeb 16, 2022cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.171.160/2816POZMAN-SZPITAL-MSWIA-2-28Address space for Samodzielny PublicznyLEGACYJul 8, 2019cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.172.0/24256POZMAN-EDU-150-254-172-000-24Address space for Adam Mickiewicz UnivercityLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.183.72/298POZMAN-PAN-1-29Address space for Polska Akademia NaukLEGACYMay 29, 2019cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.195.128/25128POZMAN-INOP-1-25Address space for Lukasiewicz Research NetworkLEGACYJul 25, 2019cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.200.0/24256POZMAN-AMU-2-24Address space for Uniwersytet im. Adama Mickiewicza w PoznaniuLEGACYDec 4, 2014cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.202.0/24256POZMAN-INTERNAL-NETDIV-1-24Address space for PSNC internal networkLEGACYOct 8, 2014cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.204.0/24256POZMAN-EDU-150-254-204-000-24Address space for Academy of economics in PoznanLEGACY—cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.208.8/298POZMAN-UAP-1-29Address space for Uniwersytet ArtystycznyLEGACYNov 4, 2013cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.208.64/2664POZMAN-PCSS-GN3-1-26Poznan Supercomputing and Networking CenterLEGACYFeb 23, 2012cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.208.128/2732POZMAN-WSL-1-26Address space for Wy?sza Szko?a LogistykiLEGACYJul 17, 2012cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.208.192/2664POZMAN-UP-2-26Address space for Poznan University of Life SciencesLEGACYJul 30, 2012cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.216.0/24256POZMAN-UW-1-24Address space for Wielkopolski Urzad WojewodzkiLEGACYDec 19, 2011cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.222.208/2816POZMAN-ZSE2-1-28Poznan, ul. Swit 25LEGACYNov 6, 2014cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.222.224/298POZMAN-PSCHJK-1-29Address space for Poznanska Szkola choralna JerzegoLEGACYSep 12, 2016cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.241.0/24256POZMAN-PWSZ-LESZNO-1-24Address space for PWSZ LesznoLEGACYApr 18, 2017cert@man.poznan.pl
via PL-POZMAN-980508
└ 150.254.247.96/2816POZMAN-SP12-PILA-1-28Address space for Szkola Podstawowa nr 12 w PileLEGACYApr 20, 2010cert@man.poznan.pl
via PL-POZMAN-980508

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS9112

PL
Name
Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center
Type
Education
Registered
Dec 23, 1998
Domain
pcss.pl
Website
www.pcss.pl
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed