AS1145 - Kennisnet-AS - SURF B.V., NL

Netherlands
AS Number
AS1145
AS Name
Kennisnet-AS
Org Name
SURF B.V.
Country / Region
Netherlands
Registry

ripe

RegDate

Updated

2018-11-22T15:27:09Z

AS1145 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

4,096

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
145.97.32.0/20
IRR Valid
SURF B.V. 4096
CIDR Description IP NUMs(prefix /64)
2a0f:d981::/32
IRR Valid
Stichting Kennisnet 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1103 SURFNET-NL - SURF B.V., NL Netherlands 7,200,000 34,359,869,440 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS1101 - AS1200

as-block
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 AS1145

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

organisation ORG-Sb3-RIPE

organisation
ORG-Sb3-RIPE
org-name
SURF B.V.
country
NL
reg-nr
50277375
org-type
LIR
address
P.O. Box 19035
3501 DA
Utrecht
NETHERLANDS
phone
+31887873000
e-mail
admin-c
HT3384-RIPE
MK512-RIPE
SNS1-RIPE
WB311-RIPE
NO17-RIPE
RS957-RIPE
JO5863-RIPE
MM57501-RIPE
abuse-c
SNS1-RIPE
mnt-ref
RIPE-NCC-HM-MNT
SN-LIR-MNT
mnt-by
RIPE-NCC-HM-MNT
SN-LIR-MNT
created
2004-04-17T11:43:29Z
last-modified
2026-05-13T07:28:31Z
source
RIPE

role SURF Network Maintainer

role
SURF Network Maintainer
address
Kantoren Hoog Overborch (Hoog Catharijne)
Moreelsepark 48, 3511 EP Utrecht
Postbus 19035, 3501 DA Utrecht
phone
+31 88 7873000
admin-c
WB311-RIPE
tech-c
NO17-RIPE
WB311-RIPE
MK512-RIPE
JO5863-RIPE
MM57501-RIPE
BW4086-RIPE
EV4604-RIPE
nic-hdl
SNS1-RIPE
abuse-mailbox
mnt-by
AS1103-MNT
created
2002-07-09T10:06:06Z
last-modified
2025-11-05T14:44:07Z
source
RIPE
e-mail

role Vancis Servicedesk

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

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

organisation:   ORG-Sb3-RIPE
org-name:       SURF B.V.
country:        NL
reg-nr:         50277375
org-type:       LIR
address:        P.O. Box 19035
address:        3501 DA
address:        Utrecht
address:        NETHERLANDS
phone:          +31887873000
e-mail:         [email protected]
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:  2026-05-13T07:28:31Z
source:         RIPE

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
tech-c:         EV4604-RIPE
nic-hdl:        SNS1-RIPE
abuse-mailbox:  [email protected]
mnt-by:         AS1103-MNT
created:        2002-07-09T10:06:06Z
last-modified:  2025-11-05T14:44:07Z
source:         RIPE
e-mail:         [email protected]

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