Data as of Nov 7, 2026
87.246.224.0/20
2 residential-proxy exits · 30 daysMaria Curie-Sklodowska University
Residential-proxy exits
Proxy exits
2
0.05% of its addresses · 30 days
Spread
2 of 16
/24s with at least one exit
Providers
3
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
2.4K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 87.246.232.0/24 | 0 | 1 | |
| 87.246.234.0/24 | 0 | 1 |
Proxy providers listing exits
- Ake.net
- AnyIP
- FloppyData
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 87.246.192.0/18 | 16,384 | PL-UMCS-20050905 | Maria Curie-Sklodowska University (ORG-MCU1-RIPE) · PL | ALLOCATED PA | Sep 5, 2005 | abuse@ |
| └ 87.246.224.0/20 | 4,096 | PL-UMCS-LUBMAN-LSP-2 | LubMAN UMCS | LIR-PARTITIONED PA | Mar 11, 2016 | abuse@ via PL-UMCS-20050905 |
| └ 87.246.224.0/24 | 256 | LUBMAN-NALKOWSKICH | siec klientow indywidualnych, ul. Nalkowskich | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.225.0/24 | 256 | LUBMAN-HERBOWA16 | siec klientow indywidualnych, ul. Herbowa | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.0/27 | 32 | LUBMAN-FCSOLIDARNOSC | Firma Cukiernicza SOLIDARNOSC Sp. z o. o. | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.32/28 | 16 | LUBMAN-EMIKS | Emiks Jacek Salasinski | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.48/29 | 8 | LUBMAN-EUROCOMPASS | Biuro Doradztwa Europejskiego EuroCompass Wlodzimierz Styk i s-ka Spolka Jawna | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.56/29 | 8 | LUBMAN--L-DENT | L-Dent Leszek Czaban Sprzet i Materialy dla Stomatologii | ASSIGNED PA | Aug 4, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.64/29 | 8 | LUBMAN-TRIMEX | Trimex Solution Sp. z o.o. | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.72/29 | 8 | LUBMAN-LOWNFZ | Lubelski Oddzial Wojewodzki Narodowego Funduszu Zdrowia | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.80/29 | 8 | LUBMAN-LUBELLA | Lubella Sp. z o.o. S.K.A z siedziba w Lublinie | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.88/29 | 8 | LUBMAN-JOBFITTER | Jobfitter Sp. z o.o. | ASSIGNED PA | Jan 3, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.96/27 | 32 | LUBMAN-TOXBIT | TOXBIT.COM Sylwia Niedzwiedz | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.128/29 | 8 | LUBMAN-NEPTUN | "NEPTUN" Sp. Z O.O. | ASSIGNED PA | May 10, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.136/29 | 8 | LUBMAN-SOFTDECO | Softdeco Sp. z o.o. | ASSIGNED PA | Mar 21, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.144/28 | 16 | LUBMAN-ALIPLAST | Aliplast Sp. z o.o. | ASSIGNED PA | Jun 7, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.160/27 | 32 | LUBMAN-PROKAPEL | Prokuratura Apelacyjna w Lublinie | ASSIGNED PA | May 15, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.192/28 | 16 | LUBMAN-ALDIK | Aldik Sp. z o.o. | ASSIGNED PA | Oct 14, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.208/29 | 8 | LUBMAN | LubMAN | ASSIGNED PA | Oct 14, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.216/29 | 8 | LUBMAN-BAZYLIANOWKA75 | siec klientow indywidualnych, ul. Bazylianowka 75 | ASSIGNED PA | Oct 14, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.224/28 | 16 | LUBMAN-LSM | Lubelska Spoldzielnia Mieszkaniowa | ASSIGNED PA | Oct 14, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.240/29 | 8 | LUBMAN-WAPOWSKIEGO | siec klientow indywidualnych, ul. Wapowskiego | ASSIGNED PA | Oct 14, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.226.248/29 | 8 | LUBMAN-ZTYT | Zaklady Tytoniowe w Lublinie S.A. | ASSIGNED PA | Nov 5, 2013 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.227.0/24 | 256 | LUBMAN-GAMAR | GAMAR Helena Marek | ASSIGNED PA | May 10, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.0/29 | 8 | LUBMAN-PLOKJ | Prywatna Szkola Podstawowa i Liceum im. Krolowej Jadwigi | ASSIGNED PA | Nov 22, 2017 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.32/29 | 8 | LUBMAN-SPSWJB | Samodzielny Publiczny Szpital Wojewodzki im. Jana Bozego w Lublinie | ASSIGNED PA | May 30, 2008 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.40/29 | 8 | LUBMAN | LubMAN UMCS | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.48/29 | 8 | LUBMAN-RKNIEDZ | RK Niedzialek s.c. | ASSIGNED PA | Sep 5, 2008 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.56/29 | 8 | LUBMAN | LubMAN UMCS | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.232.64/28 | 16 | LUBMAN-PLOKJ | Prywatna Szkola Podstawowa i Liceum im. Krolowej Jadwigi | ASSIGNED PA | Nov 29, 2017 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.233.0/25 | 128 | LUBMAN-LOGOLIFT | Logo-Lift S.C. | ASSIGNED PA | Oct 31, 2014 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.233.128/26 | 64 | LUBMAN-BTSNETWORK | P.H.U. BTSnetwork | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.233.192/26 | 64 | LUBMAN-GNIEZNIENSKA | siec klientow indywidualnych, ul. Gnieznienska | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.234.0/25 | 128 | LUBMAN-BESTNET | Best Net Michal Klosek | ASSIGNED PA | Nov 20, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.234.128/29 | 8 | LUBMAN-GGPS | GGPS Sp. z o.o. | ASSIGNED PA | Mar 10, 2016 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.234.160/27 | 32 | LUBMAN--PKS-SKIL2 | siec klientow indywidualnych LubMAN | ASSIGNED PA | Mar 10, 2016 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.235.0/24 | 256 | LUBMAN-DOMEYKI | siec klientow indywidualnych, ul. Domeyki | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.236.0/24 | 256 | LUBMAN-GAMAR | GAMAR Helena Marek | ASSIGNED PA | Mar 4, 2014 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.0/29 | 8 | LUBMAN-GNIEZNIENSKA | siec klientow indywidualnych, ul. Gnieznienska | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.8/29 | 8 | LUBMAN-DASZYNSKIEGO | siec klientow indywidualnych, ul. Daszynskiego | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.16/29 | 8 | LUBMAN-TBM | TBM Telekom Sp. z o.o. | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.24/29 | 8 | LUBMAN-SUBSYDIUM | AMK Hotel Management Sp. z o.o. | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.32/27 | 32 | LUBMAN-WSEI | Wyzsza Szkola Ekonomii i Innowacji w Lublinie | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.64/26 | 64 | LUBMAN-DASZYNSKIEGO | siec klientow indywidualnych, ul. Daszynskiego | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.128/28 | 16 | LUBMAN-AKADEMOS | CRH Akademos Sp. z o.o. | ASSIGNED PA | Apr 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.144/29 | 8 | LUBMAN-STOCK | Polmos Lublin | ASSIGNED PA | Aug 4, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.152/30 | 4 | LUBMAN | LubMAN UMCS | ASSIGNED PA | Aug 21, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.156/30 | 4 | LUBMAN-OLSS | GLENBROOK INVESTMENTS Sp. z o. o. | ASSIGNED PA | Oct 22, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.160/28 | 16 | LUBMAN-BRITENET | Britenet Sp. z o.o. | ASSIGNED PA | May 16, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.176/28 | 16 | LUBMAN-DAMIKO | Damiko s.c. | ASSIGNED PA | Jun 29, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.192/29 | 8 | LUBMAN-GNIEZNIENSKA | siec klientow indywidualnych, ul. Gnieznienska | ASSIGNED PA | Sep 26, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.200/29 | 8 | LUBMAN-ENET | E NET Production Sp. z o.o. | ASSIGNED PA | Jan 26, 2015 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.208/28 | 16 | LUBMAN-MARKIZ | Markiz Sp. z o.o. | ASSIGNED PA | Oct 15, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.224/28 | 16 | LUBMAN-GISEXPERT | GIS-Expert Sp. z o.o. | ASSIGNED PA | Oct 21, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
| └ 87.246.237.240/28 | 16 | LUBMAN-CHABROWA | siec klientow indywidualnych, ul. Chabrowa | ASSIGNED PA | Nov 5, 2012 | abuse@ via PL-UMCS-LUBMAN-LSP-2 |
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
Registry
Holder
- Organization
- Maria Curie-Sklodowska University
- Handle
- ORG-MCU1-RIPE
- Range
- 87.
246. 192. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Sep 5, 2005
- Reallocated to
- LubMAN UMCS
- Reallocated range
- 87.
246. 224. 0/ 20 - Reallocation type
- LIR-PARTITIONED PA
- Reallocated
- Mar 11, 2016
Origin network
AS12346
PL
- Name
- Maria Curie-Sklodowska University
- Type
- Education
- Registered
- Mar 26, 1999
- Domain
- umcs.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2010
- Current origin since
- May 2010 · 17 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12346 | RIPE | non-academic part of Lublin MAN, Poland | PL-LUBMAN-MNT | Jun 25, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 87.246.232.0/21 | AS12346 | RIPE | Lublin MAN, Poland | PL-LUBMAN-MNT | Aug 27, 2007 |
| 87.246.232.0/24 | AS12346 | RIPE | Lublin MAN, Poland | PL-LUBMAN-MNT | Apr 17, 2009 |
Whois
Registration for this announcement
- Range
- 87.
246. 224. 0/ 20 - Netname
- PL-UMCS-LUBMAN-LSP-2
- Registrant
- LubMAN UMCS
- Registrant country
- PL
- Organization
- LubMAN UMCS
- Org country
- PL
- Type
- LIR-PARTITIONED PA
- Created
- Mar 11, 2016
- Updated
- Jun 25, 2025
- Maintainer
- PL-LUBMAN-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Sep 5, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ripe. umcs. pl - Name
- LUBMAN Abuse Handling
- Handle
- LUBM4-RIPE