AS Name
Org Name
SURFnet bv
Registry Region
Looking Glass






IPv6 NUMs(/64)


65,536 IPv4 Addresses
CIDR Description IP Num Universiteit Twente 256 Universiteit Twente 65536
CIDR Description IP NUMs(prefix /64)
2001:67c:2564::/48 Universiteit Twente 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 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1149 SURFNET-AS - SURFnet bv, NL Netherlands 0 16,777,216 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Netherlands NDIX - Nederlands Duitse Internet Exchange 1 Gbps 2016-03-11 07:22:36

Private Peering Facilities

Country/Region Name City Website Updated
Equinix EN1 - Enschede Enschede 2016-03-14 21:22:25
IP Address Domain NUMs Domains 1 1 1 1 108 1 1 33 1 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:        AS1133
as-name:        UTWENTE-AS
descr:          University Twente
descr:          Drienerlolaan 5
descr:          P.O. Box 217
descr:          NL - 7500 AE Enschede
admin-c:        Ins20-RIPE
tech-c:         Ins20-RIPE
status:         LEGACY
mnt-by:         SN-LIR-MNT
created:        2002-08-21T16:06:37Z
last-modified:  2017-06-12T14:47:02Z
source:         RIPE
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:           ITBE network services
address:        P.O. Box 217
address:        NL - 7500 AE Enschede
address:        The Netherlands
remarks:        For general abuse like spam use the address
remarks:        [email protected]
remarks:        For security related contacts use the address
remarks:        [email protected]
phone:          +31 53 489 2311
admin-c:        Ins21-RIPE
tech-c:         Ins21-RIPE
nic-hdl:        Ins20-RIPE
mnt-by:         SN-LIR-MNT
created:        2003-11-13T15:29:05Z
last-modified:  2003-11-14T11:21:33Z
source:         RIPE # Filtered