AS Number
AS201730
AS Name
DataSpring
Org Name
Cloud4com s.r.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2022-08-23T17:19:53Z

AS201730 Looking Glass
IPv4Prefixes

35

IPv6Prefixes

4

IPv4 NUMs

7,168

IPv6 NUMs(/64)

4,294,967,296

7,168 IPv4 Addresses
CIDR Description IP Num
37.221.88.0/24
ROA Signed and Valid IRR Valid
Aricoma Systems a.s. 256
37.221.88.0/22
ROA Signed and Valid IRR InValid
Cloud4com s.r.o. 1024
37.221.89.0/24
ROA Signed and Valid IRR Valid
Aricoma Systems a.s. 256
37.221.90.0/24
ROA Signed and Valid IRR Valid
Aricoma Systems a.s. 256
37.221.91.0/24
ROA Signed and Valid IRR Valid
Aricoma Systems a.s. 256
185.65.92.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.65.92.0/22
ROA Signed and Valid IRR InValid
Cloud4com s.r.o. 1024
185.65.93.0/24
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.65.94.0/24
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.65.95.0/24
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.78.100.0/24
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.78.100.0/22
IRR InValid
Cloud4com s.r.o. 1024
185.78.101.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.78.102.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.78.103.0/24
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.138.244.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.138.244.0/22
ROA Signed and Valid IRR InValid
Cloud4com s.r.o. 1024
185.138.245.0/24
IRR Valid
DataSpring_CZ_Microsoft_Azure_Stack 256
185.138.246.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.138.247.0/24
IRR Valid
Test-DC-ZSCALER 256
185.146.148.0/24
IRR Valid
DataSpring_CZ_DC-Prague_DC-Luzice 256
185.146.148.0/22
ROA Signed and Valid IRR InValid
Cloud4com s.r.o. 1024
185.146.149.0/24
IRR Valid
Cloud4com s.r.o. 256
185.146.150.0/24
IRR Valid
Cloud4com s.r.o. 256
185.146.151.0/24
IRR Valid
Cloud4com s.r.o. 256
185.173.148.0/24
ROA Signed and Valid IRR Valid
SafeDX_DC 256
185.173.148.0/22
ROA Signed and Valid IRR InValid
SafeDX s.r.o. 1024
185.173.149.0/24
ROA Signed and Valid IRR Valid
SafeDX_DC_Openstack 256
185.173.150.0/24
ROA Signed and Valid IRR Valid
SafeDX s.r.o. 256
185.173.151.0/24
ROA Signed and Valid IRR Valid
SafeDX s.r.o. 256
194.33.17.0/24
IRR Valid
Sharp Electronics (Europe) GmbH 256
194.33.18.0/24
IRR Valid
Sharp Electronics (Europe) GmbH 256
194.33.18.0/23
IRR InValid
Sharp Electronics (Europe) GmbH 512
194.33.19.0/24
IRR Valid
Sharp Electronics (Europe) GmbH 256
194.169.252.0/24
ROA Signed and Valid IRR Valid
Cloud4com s.r.o. 256
CIDR Description IP NUMs(prefix /64)
2a03:1aa0::/36
ROA Signed and Valid IRR Valid
Cloud4com s.r.o. 268435456
2a03:1aa0::/32
ROA Signed and Valid IRR InValid
Cloud4com s.r.o. 4294967296
2a03:1aa0:4000::/36
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Luzice_IPv6-01 268435456
2a03:1aa0:8000::/36
ROA Signed and Valid IRR Valid
DataSpring_CZ_DC-Prague_IPv6_01 268435456
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 87,552 244,813,398,016 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,616 12,884,967,424 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 2,560 4,295,032,832 IPv6 IPv6
AS16019 VODAFONE-CZ-AS - Vodafone Czech Republic a.s., CZ Czech 1,211,136 356,482,351,104 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS199803 ComSource - ComSource s.r.o., CZ Czech 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 34,359,738,368 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 101,376 341,184,020,480 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 517,376 282,631,675,707,392 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS44424 AS44424 - Allegro Retail a.s., CZ Czech 2,048 4,294,967,296 IPv4 IPv4
AS215582 ipv6project-eu - Jan Kalista, CZ Czech 0 65,536 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.80 2001:7f8:14::8b:2 10 Gbps 2020-03-26 11:14:31
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.79 2001:7f8:14::8b:1 10 Gbps 2022-02-10 19:23:32

Private Peering Facilities

Country / Region Name City Website Updated
CE Colo Prague Prague http://www.cecolo.com/ 2017-11-27 13:17:45
TTC TELEPORT DC1 Prague http://www.ttc-teleport.cz/ 2017-11-27 13:17:54
IP Address Domain NUMs Domains
185.65.92.17 1 moje.mnd.cz
185.65.92.18 1 webexmeeting.uc10.net
185.65.92.21 1 uc10.net
185.65.92.25 1 epokladna-test.vodafone.cz
185.65.92.30 1 epokladna.vodafone.cz
185.65.92.38 6 kkcg.com
185.65.92.44 4 dsc01-dc01.dscen.cz
185.65.92.47 1 eshop.sazkamobil.cz
185.65.92.49 1 m.sazkamobil.cz
185.65.92.55 1 intranet.kkcg.com
as-block:       AS196608 - AS207419
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:        2022-08-23T17:19:53Z
last-modified:  2022-08-23T17:19:53Z
source:         RIPE



aut-num:        AS201730
as-name:        DataSpring
org:            ORG-CS814-RIPE
remarks:        DataSpring CZ AS
remarks:        For routing please contact ripe-tech@dataspring.cz
remarks:        General policy for boundary filtering:
remarks:        AFI IPv4: accept 0.0.0.0/0 le 24
remarks:        AFI IPv6: accept ::/0 le 48
import:         from AS199803 accept ANY # Comsource
export:         to AS199803 announce AS-CZ-DS # Comsource
import:         from AS6881 accept ANY # NIX.CZ
import:         from AS6939 accept ANY # Hurricane Electric
import:         from AS47200 accept ANY # NIX.CZ route servers
export:         to AS6881 announce AS-CZ-DS # NIX.CZ
export:         to AS6939 announce AS-CZ-DS # Hurricane Electric
export:         to AS47200 announce AS-CZ-DS # NIX.CZ route servers
export:         to AS5610 announce AS-CZ-DS # O2-CZECH-REPUBLIC
import:         from AS5610 accept ANY # O2-CZECH-REPUBLIC
export:         to AS26415 announce AS-CZ-DS # VERISIGN-AS
import:         from AS26415 accept ANY # VERISIGN-AS
export:         to AS8075 announce AS-CZ-DS # Microsoft
import:         from AS8075 accept ANY # Microsoft
export:         to AS16509 announce AS-CZ-DS # Amazon
import:         from AS16509 accept ANY # Amazon
export:         to AS6855 announce AS-CZ-DS # TMCZ (SLOVAK TELEKOM)
import:         from AS6855 accept ANY # TMCZ (SLOVAK TELEKOM)
import:         from AS16019 accept ANY # Vodafone CZ
export:         to AS16019 announce AS-CZ-DS # Vodafone CZ
import:         from AS20804 accept ANY # EXATEL
export:         to AS20804 announce AS-CZ-DS # EXATEL
import:         from AS32787 accept ANY # Akamai_Prolexic
export:         to AS32787 announce AS-CZ-DS # Akamai_Prolexic
import:         from AS49544 accept ANY # i3D.net
export:         to AS49544 announce AS-CZ-DS # i3D.net
remarks:        CUSTOMERS
import:         from AS44424 accept AS44424 # MALL
export:         to AS44424 announce ANY # MALL
import:         from AS197376 accept AS197376 # TEST-TRANSIT-IPV6PROJECT.EU
export:         to AS197376 announce ANY # TEST-TRANSIT-IPV6PROJECT.EU
import:         from AS215582 accept AS215582 # IPV6PROJECT.EU
export:         to AS215582 announce ANY # IPV6PROJECT.EU
admin-c:        DASP-RIPE
admin-c:        SC26075-RIPE
tech-c:         DASP-RIPE
tech-c:         SC26075-RIPE
notify:         support@cloud4com.com
status:         ASSIGNED
notify:         ripe-notify@dataspring.cz
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CLOUD4COM-ROOT-MNT
mnt-by:         MNT-ICT
created:        2014-07-31T15:44:07Z
last-modified:  2024-03-13T09:56:22Z
source:         RIPE

organisation:   ORG-CS814-RIPE
org-name:       Cloud4com s.r.o.
country:        CZ
org-type:       LIR
address:        Vinohradska 1511/230
address:        100 00
address:        Praha 10
address:        CZECH REPUBLIC
phone:          +420602703259
e-mail:         tomas.knoll@cloud4com.com
admin-c:        SC26075-RIPE
tech-c:         SC26075-RIPE
abuse-c:        AR74237-RIPE
mnt-ref:        CLOUD4COM-ROOT-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CLOUD4COM-ROOT-MNT
created:        2024-02-20T09:10:34Z
last-modified:  2024-02-20T09:10:34Z
source:         RIPE

role:           DataSpring Hostmaster for AS201730
address:        Vinohradska 1511/230, Prague 10, 100 00
address:        Czech Republic
e-mail:         info@dataspring.cz
nic-hdl:        DASP-RIPE
admin-c:        JK11817-RIPE
admin-c:        FB17552-RIPE
admin-c:        AS44385-RIPE
tech-c:         JK11817-RIPE
tech-c:         FB17552-RIPE
tech-c:         AS44385-RIPE
mnt-by:         MNT-ICT
created:        2016-02-15T14:35:38Z
last-modified:  2021-12-28T23:35:07Z
source:         RIPE

role:           Support C4C
address:        CZECH REPUBLIC
address:        Praha 10
address:        100 00
address:        Vinohradska 1511/230
phone:          +420602703259
e-mail:         support@cloud4com.com
nic-hdl:        SC26075-RIPE
mnt-by:         CLOUD4COM-ROOT-MNT
created:        2024-02-20T09:10:33Z
last-modified:  2024-02-20T09:10:34Z
source:         RIPE


role:           DataSpring Hostmaster for AS201730
address:        Vinohradska 1511/230, Prague 10, 100 00
address:        Czech Republic
e-mail:         info@dataspring.cz
nic-hdl:        DASP-RIPE
admin-c:        JK11817-RIPE
admin-c:        FB17552-RIPE
admin-c:        AS44385-RIPE
tech-c:         JK11817-RIPE
tech-c:         FB17552-RIPE
tech-c:         AS44385-RIPE
mnt-by:         MNT-ICT
created:        2016-02-15T14:35:38Z
last-modified:  2021-12-28T23:35:07Z
source:         RIPE

person:         Adam Schmid
address:        K Zizkovu 851/4, Praha 9, 190 00 Vysocany
phone:          +420773752425
nic-hdl:        AS44385-RIPE
mnt-by:         MNT-ICT
created:        2020-08-12T13:15:49Z
last-modified:  2020-08-12T13:15:49Z
source:         RIPE

person:         Filip Beran
address:        DataSpring s.r.o., K Zizkovu 851, 19000 Prague 9
phone:          +420603417556
nic-hdl:        FB17552-RIPE
mnt-by:         MNT-ICT
created:        2020-08-10T12:14:11Z
last-modified:  2020-08-10T12:14:11Z
source:         RIPE

person:         Jan Kalista
address:        Prague
e-mail:         jan.kalista@dataspring.cz
phone:          +420603402705
nic-hdl:        JK11817-RIPE
mnt-by:         MNT-ICT
created:        2017-02-02T12:40:05Z
last-modified:  2023-12-05T21:25:24Z
source:         RIPE