Data as of Nov 8, 2026
144.57.41.0/24
No anonymizer space · no proxy exits in 30 daysSkanska USA Inc · space held by Skanska Sverige AB
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 144.57.40.0/21 since Jun 2021 | AS398577 | Business | Skanska Sverige AB |
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 |
|---|---|---|---|---|---|---|
| 144.57.0.0/16 | 65,536 | SE-SKANSKA-NET1 | Skanska Sverige AB (ORG-SSA83-RIPE) · SE | LEGACY | — | abuse@ |
| └ 144.57.32.0/19 | 8,192 | US-SKANSKA-NET1 | Skanska USA Inc (ORG-SUI3-RIPE) · US | LEGACY | Oct 2, 2019 | abuse@ |
Network & registry
Registry
Holder
- Organization
- Skanska Sverige AB
- Handle
- ORG-SSA83-RIPE
- Range
- 144.
57. 0. 0/ 16 - Registration type
- LEGACY
- Legacy
- yes
Origin network
AS398577
US
- Name
- Skanska USA Inc
- Type
- Business
- Registered
- Jul 14, 2020
- Domain
- skanska.com
- Industry
- Construction and Real Estate
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2022
- Current origin since
- Jul 2022 · 4.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 144.57.41.0/24 | AS398577 | /24 | RIPE | RPKI valid |
| 144.57.40.0/21 | AS398577 | /21 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS398577 | RIPE | SKANSKA-MNT | Jul 12, 2022 |
Whois
Registration for this announcement
- Range
- 144.
57. 32. 0/ 19 - Netname
- US-SKANSKA-NET1
- Registrant
- Skanska USA Inc
- Registrant country
- US
- Organization
- Skanska USA Inc (ORG-SUI3-RIPE)
- Org country
- US
- Type
- LEGACY
- Created
- Oct 2, 2019
- Updated
- Feb 16, 2023
- Maintainer
- SKANSKA-MNT
- RIR
- RIPE NCC
- Country
- SE
- Delegated
- Nov 13, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
skanska. net - Name
- Skanska Abuse
- Handle
- AB29958-RIPE