RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

AS399981

Record foundARIN

CRST-THE-TRANSPORTATION-SOLUTION

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at11/10/2026, 14:13:41Local authoritative snapshot

ASN profile Network topology BGP routes

Resource type: Autonomous system
Registry: ARIN
Registration country / region: Not provided by registry
Registration status: Active
Registered at: 8/24/2021, 17:08:01
Last changed: 8/24/2021, 17:08:01

Resource rangeAS399981 – AS399981Autonomous system

Resource records1ASN count

Public contacts3Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: AS399981
Name: CRST-THE-TRANSPORTATION-SOLUTION
Allocation type: Not provided by registry
Parent handle: Not provided by registry
Whois server: whois.arin.net
Authoritative RDAP host: rdap.arin.net

Address and number range

Resource range: AS399981 – AS399981
Address family: Not applicable
Resource records: Not applicable

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

3 entities

Registrant

CRST THE TRANSPORTATION SOLUTIONCE-1289

Not provided by registry

3930 16th Ave SW · Cedar Rapids · IA · 52405 · United States

TechnicalNetwork operationsdnsAbuseAdministrativerouting

CRSTIPADM935-ARIN

infrastructure@crst.com+1-319-739-4944

3930 16th Ave SW · Cedar Rapids · IA · 52404 · United States

Technical

Jeff KuehnKUEHN26-ARIN

jeff.kuehn@crst.com+1-319-739-5790

3930 16th Street SW · Cedar Rapids · IA · 52404 · United States

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	8/24/2021, 17:08:01	Not provided by registry
Registration	8/24/2021, 17:08:01	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

3 notices

Terms of ServiceBy using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: ARIN · rdap.arin.net