Home/Network intelligence/RDAP / Whois lookup RDAP / Whois lookup
Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.
AS31857
Record foundARINZFP-ASN-1
RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.- Resource type
- Autonomous system
- Registry
- ARIN
- Registration country / region
- Not provided by registry
- Registration status
- Active
- Registered at
- 1/9/2004, 23:40:27
- Last changed
- 5/15/2023, 21:49:57
Resource rangeAS31857 – AS31857Autonomous system
Resource records1ASN count
Public contacts4Published by the registry
Registry events2Authoritative change record
Authoritative registration details
- Registry handle
- AS31857
- Name
- ZFP-ASN-1
- Allocation type
- Not provided by registry
- Parent handle
- Not provided by registry
- Whois server
- whois.arin.net
- Authoritative RDAP host
- rdap.arin.net
- Resource range
- AS31857 – AS31857
- Address family
- Not applicable
- Resource records
- Not applicable
Registration and change events
2 eventsTerms and remarks
Registry notices are shown verbatim so their authoritative meaning is not altered.
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:
Copyright NoticeCopyright 1997-2026, American Registry for Internet Numbers, Ltd.