Data as of Nov 6, 2026
37.156.194.0/24
No anonymizer space · no proxy exits in 30 daysBorje Josefsson trading as UNIMASTER Datakonsult · space held by Vetenskapsradet / SUNET
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.156.192.0/20 since Dec 2014 | AS1653 | Business | Vetenskapsradet / SUNET |
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 |
|---|---|---|---|---|---|---|
| 37.156.192.0/20 | 4,096 | SE-SUNET-20120313 | Vetenskapsradet / SUNET (ORG-SA58-RIPE) · SE | ALLOCATED PA | Dec 9, 2014 | abuse@ |
| └ 37.156.194.0/24 | 256 | BJ-NET | Borje Josefsson trading as UNIMASTER Datakonsult (ORG-BN91-RIPE) · SE | ASSIGNED PA | Jun 14, 2018 | bj@ |
Network & registry
Registry
Holder
- Organization
- Vetenskapsradet / SUNET
- Handle
- ORG-SA58-RIPE
- Range
- 37.
156. 192. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- Dec 9, 2014
Origin network
AS49858
SE
- Name
- Borje Josefsson trading as UNIMASTER Datakonsult
- Type
- Business
- Registered
- Jun 19, 2018
- Domain
- sunet.se
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.156.194.0/24 | AS49858 | /24 | RIPE | RPKI valid |
| 37.156.192.0/20 | AS1653 | /26 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS49858 | RIPE | SUNET-MNT | Jun 25, 2018 |
Whois
Registration for this announcement
- Range
- 37.
156. 194. 0/ 24 - Netname
- BJ-NET
- Registrant
- Borje Josefsson trading as UNIMASTER Datakonsult
- Registrant country
- SE
- Organization
- Borje Josefsson trading as UNIMASTER Datakonsult (ORG-BN91-RIPE)
- Org country
- SE
- Type
- ASSIGNED PA
- Created
- Jun 14, 2018
- Updated
- Jun 14, 2018
- Maintainer
- SUNET-MNT
- RIR
- RIPE NCC
- Country
- SE
- Delegated
- Mar 13, 2012
- Status
- assigned
Report abuse
Abuse contact
- bj@
sunet. se - Name
- Abuse contact role object
- Handle
- ACRO16915-RIPE