ASN Lookup Tool

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# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber:       203939
ASName:         MOSAIC
ASHandle:       AS203939
RegDate:        2026-03-05
Updated:        2026-03-05    
Ref:            https://rdap.arin.net/registry/autnum/203939


OrgName:        Mosaic Data Services, Inc.
OrgId:          MDS-109
Address:        618 Centerpoint Way, #83203
City:           Gaithersburg
StateProv:      MD
PostalCode:     20883
Country:        US
RegDate:        2012-05-11
Updated:        2025-03-19
Comment:        http://www.mosaicdataservices.com
Comment:        Business Office: 9am to 5pm EST
Comment:        NOC Support: 24/7
Ref:            https://rdap.arin.net/registry/entity/MDS-109


OrgAbuseHandle: BACHJ-ARIN
OrgAbuseName:   Bach, Jason 
OrgAbusePhone:  +1-240-399-3900 
OrgAbuseEmail:  jbach@mosaicdataservices.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BACHJ-ARIN

OrgTechHandle: JEAO-ARIN
OrgTechName:   O'Reilly, Justin E. Andrew
OrgTechPhone:  +1-240-422-9905 
OrgTechEmail:  joreilly@nellicus.net
OrgTechRef:    https://rdap.arin.net/registry/entity/JEAO-ARIN

OrgNOCHandle: BACHJ-ARIN
OrgNOCName:   Bach, Jason 
OrgNOCPhone:  +1-240-399-3900 
OrgNOCEmail:  jbach@mosaicdataservices.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/BACHJ-ARIN

OrgTechHandle: BACHJ-ARIN
OrgTechName:   Bach, Jason 
OrgTechPhone:  +1-240-399-3900 
OrgTechEmail:  jbach@mosaicdataservices.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BACHJ-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS203939 - AS203939'

as-block:       AS203939 - AS203939
descr:          ASN block not managed by the RIPE NCC
remarks:        ------------------------------------------------------
remarks:
remarks:        aut-num objects within this block represent routing
remarks:        policy published in the RIPE Database
remarks:
remarks:        For registration information,
remarks:        you can find the whois server to query, or the
remarks:        IANA registry to query on this web page:
remarks:        http://www.iana.org/assignments/ipv4-address-space
remarks:
remarks:        You can access databases of other RIR's at:
remarks:
remarks:        AFRINIC (Africa)
remarks:        http://www.afrinic.net/ whois.afrinic.net
remarks:
remarks:        APNIC (Asia Pacific)
remarks:        http://www.apnic.net/ whois.apnic.net
remarks:
remarks:        ARIN (Northern America)
remarks:        http://www.arin.net/ whois.arin.net
remarks:
remarks:        LACNIC (Latin America and the Carribean)
remarks:        http://www.lacnic.net/ whois.lacnic.net
remarks:
remarks:        ------------------------------------------------------
mnt-by:         RIPE-DBM-MNT
created:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121 (DEXTER)