Data as of Nov 14, 2026
141.59.240.0/21
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by Technische Hochschule Ulm
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 141.59.0.0/16 since May 2017 | AS553 | Business | 13 | Technische Hochschule Ulm |
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 |
|---|---|---|---|---|---|---|
| 141.59.0.0/16 | 65,536 | HS-ULM | Technische Hochschule Ulm (ORG-NHU1-RIPE) · DE | LEGACY | May 2, 2002 | abuse@ |
| └ 141.59.192.0/18 | 16,384 | BELWUE-SCHULEN | IP access via dark fiber for schools (BIB, HDH, ULM) | LEGACY | Dec 6, 2002 | abuse@ |
| └ 141.59.240.0/21 | 2,048 | HS-ULM | Hochschule Ulm Technik, Informatik & Medien | LEGACY | Nov 13, 2024 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Technische Hochschule Ulm
- Handle
- ORG-NHU1-RIPE
- Range
- 141.
59. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- May 2, 2002
- Legacy
- yes
Origin network
AS8075
US
- Name
- Microsoft Corporation
- Type
- Hosting
- Registered
- Mar 31, 1997
- Domain
- microsoft.com
- Website
- www.microsoft.com
- 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
- Nov 2024
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 141.59.240.0/21 | AS8075 | /21 | RIPE | RPKI valid |
| 141.59.0.0/16 | AS553 | /16 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 141.
59. 240. 0/ 21 - Netname
- HS-ULM
- Registrant
- Hochschule Ulm Technik, Informatik & Medien
- Registrant country
- DE
- Organization
- Hochschule Ulm Technik, Informatik & Medien
- Org country
- DE
- Type
- LEGACY
- Created
- Nov 13, 2024
- Updated
- Feb 14, 2025
- Maintainer
- BELWUE-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jun 7, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
hs-ulm. de - Name
- NOC Hochschule Ulm
- Handle
- NHU1-RIPE