Data as of Nov 9, 2026
185.199.204.0/24
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited · space held by Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung Baden Wuerttemberg
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 |
|---|---|---|---|---|---|---|
| 185.199.204.0/22 | 1,024 | DE-ZSW-BW-20170419 | Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung Baden Wuerttemberg (ORG-ZFSU1-RIPE) · DE | ALLOCATED PA | Apr 19, 2017 | postmaster@ |
| └ 185.199.204.0/24 | 256 | ZSW-StEP | unknown | ASSIGNED PA | Nov 3, 2017 | postmaster@ via DE-ZSW-BW-20170419 |
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
- Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung Baden Wuerttemberg
- Handle
- ORG-ZFSU1-RIPE
- Range
- 185.
199. 204. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Apr 19, 2017
Origin network
AS15404
GB
- Name
- COLT Technology Services Group Limited
- Type
- Internet provider
- Registered
- Jun 21, 2000
- Domain
- colt.net
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2017
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 185.
199. 204. 0/ 24 - Netname
- ZSW-StEP
- Registrant country
- DE
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Nov 3, 2017
- Updated
- May 6, 2019
- Maintainer
- de-zsw-bw-1-mnt
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Apr 19, 2017
- Status
- assigned
Report abuse
Abuse contact
- postmaster@
zsw-bw. de - Name
- Abuse-C Role
- Handle
- AR39738-RIPE