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thenetworkery

WHOIS / RDAP lookup

Who holds a domain, IP address or AS number – from the registry, via RDAP.

Domain, IP, prefix or AS number

AS1103 · 

curl -s "https://thenetworkery.com/api/v1/whois?query=AS1103"
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    Found at rdap.arin.net.

NameSURFNET-NL
HandleAS1103
RangeAS1103
Statusactive
Registered2002-09-23T12:44:58Z
Last changed2026-09-25T08:21:43Z
Abuse contactcert@surfcert.nl
Allocation
Registry (RIR)RIPE NCC
CountryNetherlands (NL)
Delegated on1993-09-01
StatusAllocated
Delegated rangeAS1103

Source: RIR delegation data, updated daily. The country is where the range was registered, not necessarily where it is used.

Contacts
RoleNameEmail
registrant AS1103-MNT
registrant SURF B.V.
registrant RIPE-NCC-LEGACY-MNT
administrative, technical SURF Network Maintainer cert@surfcert.nl
abuse SURF Network Maintainer cert@surfcert.nl

Source: https://rdap.arin.net/registry/autnum/1103. Registration data from rdap.arin.net, shown under its terms of use (terms): not for marketing or bulk collection.