Data as of Nov 3, 2026
64.239.56.0/24
No anonymizer space · no proxy exits in 30 daysMicrosoft Corporation · space held by DNB Bank ASA
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Sep 2026
its first announcement on record
registry: lir-partitioned pa to a party the registry does not name by DNB Bank ASA, Sep 3, 2026
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 |
|---|---|---|---|---|---|---|
| 64.239.56.0/23 | 512 | NO-DNB-20010925 | DNB Bank ASA (ORG-DBA27-RIPE) · NO | ALLOCATED PA | Aug 18, 2025 | [email protected] |
| └ 64.239.56.0/24 | 256 | NO-DNB-20260903 | unknown | LIR-PARTITIONED PA | Sep 3, 2026 | [email protected] via NO-DNB-20010925 |
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
- DNB Bank ASA
- Handle
- ORG-DBA27-RIPE
- Range
- 64.239.56.0/23
- Registration type
- ALLOCATED PA
- Record created
- Aug 18, 2025
- Reallocated to
- Not named in the registry
- Reallocated range
- 64.239.56.0/24
- Reallocation type
- LIR-PARTITIONED PA
- Reallocated
- Sep 3, 2026
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 64.239.56.0/24 | AS8075 | /24 | RIPE | RPKI valid |
| 64.239.56.0/23 | AS201627 | /23 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 64.239.56.0/24
- Netname
- NO-DNB-20260903
- Registrant country
- NO
- Organization
- Not stated by the registry
- Type
- LIR-PARTITIONED PA
- Created
- Sep 3, 2026
- Updated
- Sep 4, 2026
- Maintainer
- MNTR
- RIR
- RIPE NCC
- Country
- NO
- Delegated
- Sep 25, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- DNB IRT-abuse Role
- Handle
- AR34234-RIPE