ASN Lookup Tool

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% The objects are in RPSL format.
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% Note: this output has been filtered.
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% Information related to 'AS1101 - AS1200'

as-block:       AS1101 - AS1200
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:09Z
last-modified:  2018-11-22T15:27:09Z
source:         RIPE

% Information related to 'AS1145'

% Abuse contact for 'AS1145' is 'cert@surfcert.nl'

aut-num:        AS1145
as-name:        Kennisnet-AS
descr:          Kennisnet
remarks:        For security/abuse issues:
remarks:        "mnt-irt: irt-SURFnet-CERT" or
remarks:        contact <abuse@surfnet.nl>
admin-c:        SNS1-RIPE
tech-c:         VS6837-RIPE
status:         LEGACY
mnt-by:         SN-LIR-MNT
created:        2002-08-21T16:06:43Z
last-modified:  2021-01-22T14:55:38Z
source:         RIPE # Filtered
mnt-by:         RIPE-NCC-LEGACY-MNT
org:            ORG-Sb3-RIPE

organisation:   ORG-Sb3-RIPE
org-name:       SURF B.V.
country:        NL
org-type:       LIR
address:        P.O. Box 19035
address:        3501 DA
address:        Utrecht
address:        NETHERLANDS
phone:          +31887873000
admin-c:        HT3384-RIPE
admin-c:        MK512-RIPE
admin-c:        SNS1-RIPE
admin-c:        WB311-RIPE
admin-c:        NO17-RIPE
admin-c:        RS957-RIPE
admin-c:        JO5863-RIPE
admin-c:        MM57501-RIPE
abuse-c:        SNS1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SN-LIR-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SN-LIR-MNT
created:        2004-04-17T11:43:29Z
last-modified:  2023-02-21T13:35:38Z
source:         RIPE # Filtered

role:           SURF Network Maintainer
address:        Kantoren Hoog Overborch (Hoog Catharijne)
address:        Moreelsepark 48, 3511 EP Utrecht
address:        Postbus 19035, 3501 DA Utrecht
phone:          +31 88 7873000
admin-c:        WB311-RIPE
tech-c:         NO17-RIPE
tech-c:         WB311-RIPE
tech-c:         MK512-RIPE
tech-c:         JO5863-RIPE
tech-c:         MM57501-RIPE
tech-c:         BW4086-RIPE
nic-hdl:        SNS1-RIPE
abuse-mailbox:  cert@surfcert.nl
mnt-by:         AS1103-MNT
created:        2002-07-09T10:06:06Z
last-modified:  2025-10-01T09:23:01Z
source:         RIPE # Filtered

role:           Vancis Servicedesk
address:        Science park 408
address:        1098 XH Amsterdam
address:        The Netherlands
phone:          +31 36 523 8080
admin-c:        TVDH54-RIPE
tech-c:         RH9650-RIPE
mnt-by:         VANCIS-LIR-MNT
nic-hdl:        VS6837-RIPE
remarks:        =================================
remarks:        = for abuse issues, please mail =
remarks:        =       abuse@vancis.nl         =
remarks:        =================================
abuse-mailbox:  abuse@vancis.nl
created:        2012-12-31T10:20:52Z
last-modified:  2021-05-27T13:29:27Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.119 (ABERDEEN)



#
# 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/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1101 - 1200
ASName:         RIPE-ASNBLOCK-1101
ASHandle:       AS1101
RegDate:        2002-10-15
Updated:        2003-04-25
Comment:        These addresses have been further assigned to users in
Comment:        the RIPE NCC region. Contact information can be found in
Comment:        the RIPE database at http://www.ripe.net/whois    
Ref:            https://rdap.arin.net/registry/autnum/1101

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.ripe.net


OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/db-web-ui/query

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-ARIN

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-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 1997-2025, American Registry for Internet Numbers, Ltd.
#