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Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.
AS55
Record foundARINUPENN
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
- 12/18/1985, 05:00:00
- Last changed
- 10/14/2021, 20:50:13
Resource rangeAS55 – AS55Autonomous system
Resource records1ASN count
Public contacts4Published by the registry
Registry events2Authoritative change record
Authoritative registration details
- Registry handle
- AS55
- Name
- UPENN
- 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
- AS55 – AS55
- 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.
Registration Commentshttps://www.upenn.edu/ Main AS number for PennNet of the University of Pennsylvania
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