Data as of Nov 15, 2026
212.87.16.0/20
4 residential-proxy exits · 30 daysUniversity of Warsaw
Residential-proxy exits
Proxy exits
4
0.10% of its addresses · 30 days
Always-on exits
1
25% of its exits
Spread
4 of 16
/24s with at least one exit
Providers
33
selling exits here
Oct 16, 2026 – Nov 14, 2026
Exits seen per day
3.4K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 212.87.25.0/24 | 1 | 1 | |
| 212.87.20.0/24 | 0 | 1 | |
| 212.87.26.0/24 | 0 | 1 | |
| 212.87.30.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Extract
- Ake.net
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- Evomi
- FlashProxy
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- Infatica
- InfiniteProxies
- LemonBright
- LightningProxies
- MangoProxy
- NodeProxy
- NovaProxy
- Oxylabs
- PrivateProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VantageProxies
- VitalData
- VitalExclusive
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 |
|---|---|---|---|---|---|---|
| 212.87.0.0/19 | 8,192 | PL-ICM-981103 | University of Warsaw (ORG-IA45-RIPE) · PL | ALLOCATED PA | Dec 14, 2001 | abuse@ |
| └ 212.87.16.0/23 | 512 | IBD-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.18.0/23 | 512 | TWARDA-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.20.0/24 | 256 | IBD-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | Jul 12, 2011 | abuse@ |
| └ 212.87.21.0/24 | 256 | IIMCB | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.22.0/23 | 512 | AM-WAW | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.24.0/24 | 256 | IBIB-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.25.0/24 | 256 | AMF-WAW | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.26.0/24 | 256 | IMDIK | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.27.0/25 | 128 | BIOL-UW | Warsaw University | ASSIGNED PA | Jul 12, 2011 | abuse@ via PL-ICM-981103 |
| └ 212.87.28.0/23 | 512 | IBB-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | — | abuse@ |
| └ 212.87.30.0/24 | 256 | IPPT-PAN | Interdisciplinary Centre for Modelling (ORG-ICM3-RIPE) | ASSIGNED PA | Jul 12, 2011 | abuse@ |
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
Origin network
AS8664
PL
- Name
- University of Warsaw
- Type
- Education
- Registered
- Feb 13, 1998
- Domain
- uw.edu.pl
- Website
- www.core.icm.edu.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 2005
- Current origin since
- Jan 2011 · 16 yr
- Origin networks
- 2
- Last change of origin
- Jan 2011
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8664 | RIPE | ICM, University of Warsaw | ICM-PL | Jan 11, 2011 |
Whois
Registration for this announcement
- Range
- 212.
87. 0. 0/ 19 - Netname
- PL-ICM-981103
- Registrant
- University of Warsaw
- Registrant country
- PL
- Organization
- University of Warsaw (ORG-IA45-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Dec 14, 2001
- Updated
- Jun 24, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Nov 3, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
uw. edu. pl - Name
- University of Warsaw Network Department
- Handle
- UWPL