AS Number
AS Name
Org Name
Cobalt Group BV






AS57948 Looking Glass






IPv6 NUMs(/64)


2,560 IPv4 Addresses
CIDR Description IP Num Cobalt Group BV 256 Cobalt Group BV 256 Cobalt Group BV 256 Cobalt Group BV 256 Cobalt Group BVBA 256 Cobalt Group BV 256 Cobalt Group BV 256 Cobalt Group BV 256 IPWorks 256 IPWorks 256
CIDR Description IP NUMs(prefix /64)
2a05:2600::/32 Cobalt Group BV 4294967296
2a05:2600::/29 Cobalt Group BV 34359738368
2a05:2601::/32 Cobalt Group BV 4294967296
2a05:2602::/32 Cobalt Group BV 4294967296
2a05:2603::/32 Cobalt Group BV 4294967296
2a05:2604::/32 Cobalt Group BV 4294967296
2a05:2607::/32 Cobalt Group BV 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS9031 EDPNET - EDPNET Belgium BV, BE Belgium 94,208 3,623,878,656 IPv4 IPv4 IPv6 IPv6
AS39923 AS-UNIXSOLUTIONS - Unix-Solutions BV, BE Belgium 13,568 115,964,313,600 IPv4 IPv4
AS210017 DCHasselt - STEL bvba, BE Belgium 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS50156 BOXED-IT - Boxed IT Ltd., GB United Kingdom 512 65,536 IPv4 IPv4
AS50838 MASTRONARDI - Mastronardi Software, BE Belgium 0 458,752 IPv6 IPv6
IP Address Domain NUMs Domains 2 1 1 4 1 1 1 1 1 3
as-block:       AS57148 - AS58367
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:        2023-08-23T15:27:46Z
last-modified:  2023-08-23T15:27:46Z
source:         RIPE

aut-num:        AS57948
as-name:        COBALT
descr:          IPWorks
org:            ORG-CGB2-RIPE
import:         from AS9031 accept ANY
export:         to AS9031 announce AS-COBALT
import:         from AS39923 accept ANY
export:         to AS39923 announce AS-COBALT
import:         from AS210017 accept ANY
export:         to AS210017 announce AS-COBALT
import:         from AS50309 accept ANY
export:         to AS50309 announce AS-COBALT
import:         from AS50156 accept AS-BOXED-IT
export:         to AS50156 announce ANY
import:         from AS50838 accept AS50838
export:         to AS50838 announce ANY
admin-c:        DKE100-RIPE
tech-c:         DKE100-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-DK
created:        2012-03-19T12:53:57Z
last-modified:  2019-03-18T10:31:37Z
source:         RIPE

organisation:   ORG-CGB2-RIPE
org-name:       Cobalt Group BV
country:        BE
org-type:       LIR
address:        Russelbeekstraat 39
address:        3590
address:        Diepenbeek
address:        BELGIUM
phone:          +3211360010
fax-no:         +3211360011
e-mail:         [email protected]
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-DK
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-DK
abuse-c:        INO11-RIPE
created:        2014-09-08T15:55:49Z
last-modified:  2020-12-16T13:30:38Z
source:         RIPE

person:         Daan Kerkhofs
address:        Trichterheideweg 2
address:        3500 Hasselt
address:        Belgium
phone:          +32 11 36 00 10
fax-no:         +32 11 36 00 11
e-mail:         [email protected]
notify:         [email protected]
nic-hdl:        DKE100-RIPE
mnt-by:         MNT-DK
created:        2011-12-21T09:34:18Z
last-modified:  2014-09-15T20:02:52Z
source:         RIPE