Data as of Nov 9, 2026
143.246.177.0/24
No anonymizer space · no proxy exits in 30 days4b42 UG · space held by Kevin Buehl
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 2026
its first announcement on record
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 |
|---|---|---|---|---|---|---|
| 143.246.176.0/22 | 1,024 | NET-143-246-176-0 | Kevin Buehl (ORG-KB90-RIPE) · DE | LEGACY | Sep 8, 2026 | abuse@ |
| └ 143.246.177.0/24 | 256 | DE-4B42-20260909 | 4b42 UG (ORG-KB88-RIPE) · DE | LEGACY | Sep 9, 2026 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Kevin Buehl
- Handle
- ORG-KB90-RIPE
- Range
- 143.
246. 176. 0/ 22 - Registration type
- LEGACY
- Record created
- Sep 8, 2026
- Legacy
- yes
Origin network
AS61218
DE
- Name
- 4b42 UG
- Type
- Business
- Registered
- Feb 28, 2019
- Domain
- 4b42.com
- Website
- www.4b42.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS61218 | RIPE | KBMT KTB SBMT | Sep 9, 2026 |
Whois
Registration for this announcement
- Range
- 143.
246. 177. 0/ 24 - Netname
- DE-4B42-20260909
- Registrant
- 4b42 UG
- Registrant country
- DE
- Organization
- 4b42 UG (ORG-KB88-RIPE)
- Org country
- DE
- Type
- LEGACY
- Created
- Sep 9, 2026
- Updated
- Sep 9, 2026
- Maintainer
- KTB
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Oct 26, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
4b42. com - Name
- 4b42 Abuse Mailbox
- Handle
- KBAM-RIPE