Data as of Nov 7, 2026
178.251.8.0/21
1 residential-proxy exit · 30 daysTKRZ Stadtwerke GmbH
Residential-proxy exits
Proxy exits
1
0.05% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
19
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
175 observations
Proxy providers listing exits
- 2Captcha
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- FlashProxy
- GonzoProxy
- Infatica
- LightningProxies
- NodeMaven
- Proxy-Cheap
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- Proxyma
- Shifter
- VibeProxies
- VitalExclusive
- VitalProxy
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 |
|---|---|---|---|---|---|---|
| 178.251.8.0/21 | 2,048 | DE-TKRZ-STADTWERKE-20100616 | TKRZ Stadtwerke GmbH (ORG-JSG1-RIPE) · DE | ALLOCATED PA | Jun 16, 2010 | abuse@ |
| └ 178.251.8.0/24 | 256 | DE-TKRZ-DOCSIS-DHCP | TKRZ Stadtwerke GmbH DOCSIS Residential Customers | ASSIGNED PA | Jan 23, 2024 | abuse@ via DE-TKRZ-STADTWERKE-20100616 |
| └ 178.251.15.0/24 | 256 | DE-TKRZ-FTTH-DHCP | TKRZ Stadtwerke GmbH FTTH Residential Customers | ASSIGNED PA | Jan 23, 2024 | abuse@ via DE-TKRZ-STADTWERKE-20100616 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 1,536 | 75% | 1 | |
| Residential | 512 | 25% | 2 |
Network & registry
Origin network
AS42184
DE
- Name
- TKRZ Stadtwerke GmbH
- Type
- Internet provider
- Registered
- Jan 10, 2007
- Domain
- tkrz-business.de
- Website
- www.tkrz-business.de
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2011
- Current origin since
- Jan 2011 · 16 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 178.251.8.0/21 | AS42184 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42184 | RIPE | TKRZ Stadtwerke GmbH | MNT-TKRZ | Jul 7, 2022 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 178.251.8.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.9.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.10.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.11.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.12.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.13.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.14.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 | |
| 178.251.15.0/24 | AS42184 | RIPE | MNT-TKRZ | Jul 31, 2023 |
Whois
Registration for this announcement
- Range
- 178.
251. 8. 0/ 21 - Netname
- DE-TKRZ-STADTWERKE-20100616
- Registrant
- TKRZ Stadtwerke GmbH
- Registrant country
- DE
- Organization
- TKRZ Stadtwerke GmbH (ORG-JSG1-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Jun 16, 2010
- Updated
- Feb 2, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jun 16, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tkrz. de - Name
- TKRZ Stadtwerke GmbH
- Handle
- TSG20-RIPE