AS Name
Org Name
SURFnet bv
Registry Region
Looking Glass






IPv6 NUMs(/64)


196,608 IPv4 Addresses
CIDR Description IP Num Technische Universiteit Delft 256 Technische Universiteit Delft 65536 Technische Universiteit Delft 256 Technische Universiteit Delft 65536 DUNET 256 DUNET 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1103 SURFNET-NL - SURFnet bv, NL Netherlands 6,223,616 281,509,336,514,560 IPv4 IPv4
IP Address Domain NUMs Domains 1 1 1 1 1 1 2 8 5 2
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

aut-num:        AS1128
as-name:        TUDELFT-NL
descr:          DTO TUDELFT, The Netherlands - AS
admin-c:        HTN3-RIPE
tech-c:         HTN3-RIPE
status:         LEGACY
mnt-by:         AS1103-MNT
created:        2002-09-20T11:12:04Z
last-modified:  2017-06-12T14:47:01Z
source:         RIPE # Filtered
mnt-by:         RIPE-NCC-LEGACY-MNT
org:            ORG-Sb3-RIPE

organisation:   ORG-Sb3-RIPE
org-name:       SURFnet bv
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:        JK9622-RIPE
admin-c:        WB311-RIPE
admin-c:        NO17-RIPE
admin-c:        RS957-RIPE
admin-c:        SM12780-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:  2018-11-08T14:23:24Z
source:         RIPE # Filtered

role:           Hostmaster TUDELFT Nederland
address:        Delft
phone:          +31 15 2782000
fax-no:         +31 15 2783787
nic-hdl:        HTN3-RIPE
admin-c:        MdG39-RIPE
admin-c:        LB326-RIPE
admin-c:        GJvd5-RIPE
admin-c:        FR392-RIPE
tech-c:         MdG39-RIPE
tech-c:         LB326-RIPE
tech-c:         GJvd5-RIPE
tech-c:         FR392-RIPE
remarks:        -------------------------------------------------------
remarks:        *  Please report Internet Abuse to: [email protected]  *
remarks:        *  *************************************************  *
remarks:        -------------------------------------------------------
abuse-mailbox:  [email protected]
mnt-by:         SN-LIR-MNT
created:        2003-06-10T13:41:24Z
last-modified:  2013-04-26T12:07:41Z
source:         RIPE # Filtered