AS Number
AS61429
AS Name
AS-CASTOR
Org Name
Castor Communications BV
Country
Netherlands
Registry

ripe

RegDate

Updated

2020-06-22T15:23:11Z

AS61429 Looking Glass
IPv4Prefixes

20

IPv6Prefixes

0

IPv4 NUMs

5,376

IPv6 NUMs(/64)

0

5,376 IPv4 Addresses
CIDR Description IP Num
38.125.107.0/24
IRR Valid
PSINet, Inc. 256
62.41.2.0/24
ROA Signed and Valid IRR Valid
IPTNLCASTOR009 256
62.41.10.0/24
IRR Valid
IPTNLCASTOR008 256
62.41.20.0/24
ROA Signed and Valid IRR Valid
CASTOR 256
62.41.21.0/24
ROA Signed and Valid IRR Valid
CASTOR 256
62.41.59.0/24
ROA Signed and Valid IRR Valid
CASTOR 256
62.41.60.0/24
IRR Valid
CASTOR 256
81.23.240.0/23
ROA Signed and Valid IRR Valid
Castor Communications BV 512
92.71.10.0/24
IRR Valid
IPTNLCASTOR008 256
92.71.11.0/24
ROA Signed and Valid IRR Valid
IPTNLCASTOR008 256
92.71.15.0/24
IRR Valid
IPTNLCASTOR008 256
92.71.16.0/24
IRR Valid
IPTNLCASTOR008 256
92.71.19.0/24
IRR Valid
IPTNLCASTOR008 256
92.71.20.0/24
ROA Signed and Valid IRR Valid
IPTNLCASTOR008 256
92.71.22.0/24
IRR Valid
IPTNLCASTOR008 256
185.6.108.0/24
ROA Signed and Valid IRR Valid
NL-CASTOR-IDIRECT 256
185.6.109.0/24
ROA Signed and Valid IRR Valid
NL-CASTOR-IDIRECT 256
185.6.110.0/24
ROA Signed and Valid IRR Valid
NL-CASTOR-IDIRECT 256
185.6.111.0/24
ROA Signed and Valid IRR Valid
Castor Communications BV 256
213.146.180.0/24
IRR Valid
UK-CASTOR-VSNET1 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,553,984 450,972,680,192 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 35,877,376 258,978,414,592 IPv4 IPv4
as-block:       AS61263 - AS61439
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:        2020-06-22T15:23:11Z
last-modified:  2020-06-22T15:23:11Z
source:         RIPE



aut-num:        AS61429
as-name:        AS-CASTOR
abuse-c:        AR54144-RIPE
org:            ORG-CHB2-RIPE
import:         from AS286 accept any
import:         from AS6939 accept any
import:         from AS24730 accept any
export:         to AS286 announce AS61429
export:         to AS-ANY announce AS61429:AS-ALL
export:         to AS6939 announce AS61429
export:         to AS24730 announce AS61429
admin-c:        IET20-RIPE
tech-c:         IET20-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         castor-mnt
created:        2012-10-12T12:04:33Z
last-modified:  2025-08-12T13:53:57Z
source:         RIPE

organisation:   ORG-CHB2-RIPE
org-name:       Castor Communications BV
country:        NL
org-type:       LIR
address:        Rijnzathe 4
address:        3454 PV
address:        De Meern
address:        NETHERLANDS
phone:          +31886460100
fax-no:         +31886460109
e-mail:         ipengineering@castornetworks.com
admin-c:        IET20-RIPE
abuse-c:        AR54144-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        castor-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         castor-mnt
created:        2012-10-08T12:36:26Z
last-modified:  2025-08-12T13:53:13Z
source:         RIPE

role:           IP Engineering Team
address:        Castor Networks B.V, Rijnzathe 4, De Meern, 3454 PV, The Netherlands
e-mail:         ipengineering@castornetworks.com
phone:          +31 88 646 0100
nic-hdl:        IET20-RIPE
mnt-by:         castor-mnt
created:        2025-08-12T13:33:58Z
last-modified:  2025-08-12T13:35:09Z
source:         RIPE