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% Information related to '145.136.0.0 - 145.143.255.255'

% Abuse contact for '145.136.0.0 - 145.143.255.255' is 'cert@surfcert.nl'

inetnum:        145.136.0.0 - 145.143.255.255
netname:        SURFparentblock
org:            ORG-Sb3-RIPE
country:        NL
admin-c:        SNS1-RIPE
tech-c:         SNS1-RIPE
status:         LEGACY
mnt-by:         SN-LIR-MNT
mnt-lower:      SURF-AUTO-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-lower:      SN-LIR-MNT
mnt-routes:     SN-LIR-MNT
mnt-irt:        irt-SURFcert
created:        2019-10-10T14:12:41Z
last-modified:  2025-10-02T17:44:44Z
source:         RIPE # Filtered

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
tech-c:         EV4604-RIPE
nic-hdl:        SNS1-RIPE
abuse-mailbox:  cert@surfcert.nl
mnt-by:         AS1103-MNT
created:        2002-07-09T10:06:06Z
last-modified:  2025-11-05T14:44:07Z
source:         RIPE # Filtered

% Information related to '145.136.0.0/15AS1103'

route:          145.136.0.0/15
origin:         AS1103
mnt-by:         AS1103-MNT
created:        2020-04-09T13:18:05Z
last-modified:  2020-04-09T13:19:24Z
source:         RIPE
mnt-routes:     AS1103-MNT
mnt-lower:      AS1103-MNT
descr:          SURFnet CIDR Block II b-a

% This query was served by the RIPE Database Query Service version 1.121.1 (BUSA)