Data as of Nov 7, 2026
143.20.64.0/24
6 residential-proxy exits · 30 daysWojciech Czapkowicz · space held by Net and Grid Research, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Proxy exits nearby
Residential-proxy exits
Proxy exits
6
2.3% of its addresses · 30 days
Always-on exits
5
83% of its exits
Providers
7
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
1.5K observations
Proxy providers listing exits
- DataImpulse
- EVOPROXY
- PrivateByte
- Proxmint
- Proxy4U
- Q2IP
- RH7Proxy
IPv4 market
Path
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
143.20.64.0/24
From the registry to its use
- Apr 14, 2025Registry recordNet and Grid Research, LLCLEGACY143.20.0.0/16
- Jun 17, 2025– Jun 28, 2025
- Jun 17, 2025– Jul 22, 2025
- Jun 21, 2025AssignedChunkserve Mateusz PeplinskiLEGACY143.20.64.0/24
- Aug 16, 2025– Aug 27, 2025
- Aug 16, 2025– today
- Aug 24, 2025Route objectIPXORIPE route object for AS214481 Wojciech Czapkowicz, maintainer NETUTILS-MNT
- Aug 24, 2025Route objectIPXORADB route object for AS214481 Wojciech Czapkowicz, maintainer MAINT-AS834
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 143.20.0.0/16 | 65,536 | us-netandgrid-19900805 | Net and Grid Research, LLC (ORG-NAGR1-RIPE) · US | LEGACY | Apr 14, 2025 | cthomas57@ |
| └ 143.20.0.0/17 | 32,768 | NET-143-20-0-0-17 | Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB | LEGACY | Apr 17, 2025 | report@ |
| └ 143.20.64.0/24 | 256 | NET-143-20-64-0-24 | Chunkserve Mateusz Peplinski (ORG-CMP9-RIPE) · PL | LEGACY | Jun 21, 2025 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Net and Grid Research, LLC
- Handle
- ORG-NAGR1-RIPE
- Range
- 143.
20. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Apr 14, 2025
- Legacy
- yes
Origin network
AS214481
PL
- Name
- Wojciech Czapkowicz
- Type
- Hosting
- Registered
- Jul 23, 2024
- Domain
- chunkserve.com
- Website
- chunkserve.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 3
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 143.
20. 64. 0/ 24 - Netname
- NET-143-20-64-0-24
- Registrant
- Chunkserve Mateusz Peplinski
- Registrant country
- EU
- Organization
- Chunkserve Mateusz Peplinski (ORG-CMP9-RIPE)
- Org country
- PL
- Type
- LEGACY
- Created
- Jun 21, 2025
- Updated
- Aug 24, 2025
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Aug 5, 1990
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Chunkserve Mateusz Peplinski
- Handle
- CMP101-RIPE