AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
DataSpring DataSpring s.r.o. 29 4 5,888 4,294,967,296 Czech
5,888 IPv4 Addresses
CIDR Description IP Num
37.221.88.0/24 DataSpring s.r.o. 256
37.221.88.0/22 DataSpring s.r.o. 1024
37.221.89.0/24 DataSpring s.r.o. 256
37.221.90.0/24 DataSpring s.r.o. 256
37.221.91.0/24 DataSpring s.r.o. 256
185.65.92.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_01 256
185.65.92.0/22 DataSpring_CZ_DC-Prague_DC-Luzice_01 1024
185.65.93.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_01 256
185.65.94.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_03 256
185.65.95.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_04 256
185.138.244.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_05 256
185.138.244.0/22 DataSpring s.r.o. 1024
185.138.245.0/24 DataSpring_CZ_Microsoft_Azure_Stack_Moravia01_pool01 256
185.138.246.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_07 256
185.138.247.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_08 256
185.146.148.0/24 DataSpring_CZ_DC-Prague_DC-Luzice_09 256
185.146.148.0/22 DataSpring s.r.o. 1024
185.146.149.0/24 DataSpring s.r.o. 256
185.146.150.0/24 DataSpring s.r.o. 256
185.146.151.0/24 DataSpring s.r.o. 256
185.173.148.0/24 SafeDX_DC 256
185.173.148.0/22 SafeDX s.r.o. 1024
185.173.149.0/24 SafeDX_DC_Openstack 256
185.173.150.0/24 SafeDX s.r.o. 256
185.173.151.0/24 SafeDX s.r.o. 256
194.33.17.0/24 Sharp Electronics (Europe) GmbH 256
194.33.18.0/24 Sharp Electronics (Europe) GmbH 256
194.33.18.0/23 Sharp Electronics (Europe) GmbH 512
194.33.19.0/24 Sharp Electronics (Europe) GmbH 256
CIDR Description IP NUMs(prefix /64)
2a03:1aa0::/36 DataSpring s.r.o. 268435456
2a03:1aa0::/32 DataSpring s.r.o. 4294967296
2a03:1aa0:4000::/36 DataSpring_CZ_DC-Luzice_IPv6-01 268435456
2a03:1aa0:8000::/36 DataSpring_CZ_DC-Prague_IPv6_01 268435456
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 516,352 282,703,874,883,584 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,936 68,719,476,736 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 97,792 5,933,432,832 IPv6 IPv6
AS29504 LBCFREE - Freenet Liberec, z.s., CZ Czech 1,024 34,359,738,368 IPv6 IPv6
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 168,960 107,374,182,400 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 34,360,131,584 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,533,824 310,094,888,960 IPv4 IPv4 IPv6 IPv6
AS5588 GTSCE - T-Mobile Czech Republic a.s., CZ Czech 1,377,024 81,604,902,912 IPv4 IPv4 IPv6 IPv6
AS199803 ComSource - ComSource s.r.o., CZ Czech 1,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6881 NIXCZ - NIX.CZ z.s.p.o., CZ Czech 3,328 4,294,967,296 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 55,296 42,950,524,928 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 91.210.16.79 2001:7f8:14::8b:1 2 Gbps 2020-04-08 22:40:08
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

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
185.65.92.18 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 2 eshop.sazkamobil.cz
185.65.92.48 1 portal.sazkamobil.cz
185.65.92.49 1 m.sazkamobil.cz
185.65.92.55 2 intranet.kkcg.com
as-block:       AS196608 - AS213403
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:        2020-04-03T15:01:19Z
last-modified:  2020-04-03T15:01:19Z
source:         RIPE



aut-num:        AS201730
as-name:        DataSpring
org:            ORG-CISS4-RIPE
remarks:        DataSpring CZ AS
remarks:        For routing please contact [email protected]
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
import:         from AS174 accept ANY # Cogent
export:         to AS199803 announce AS-CZ-DS # Comsource
export:         to AS174 announce AS-CZ-DS # Cogent
export:         to AS197376 announce ANY # Autocont CZ
import:         from AS6881 accept ANY # NIX.CZ
import:         from AS197376 accept AS197376 # Autocont 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 AS16509 announce AS-CZ-DS # Amazon
import:         from AS16509 accept ANY # Amazon
export:         to AS5588 announce AS-CZ-DS # TMCZ (GTSCE)
import:         from AS5588 accept ANY # TMCZ (GTSCE)
admin-c:        DASP-RIPE
tech-c:         DASP-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ICT
created:        2014-07-31T15:44:07Z
last-modified:  2020-01-06T15:49:48Z
source:         RIPE # Filtered

organisation:   ORG-CISS4-RIPE
org-name:       DataSpring s.r.o.
org-type:       LIR
address:        K Zizkovu 851/4
address:        190 00
address:        Prague 9
address:        CZECH REPUBLIC
phone:          +420 800 55 22 11
abuse-c:        ICT-RIPE
admin-c:        JK11817-RIPE
tech-c:         JK11817-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-ICT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ICT
created:        2014-07-22T09:54:36Z
last-modified:  2017-06-15T09:31:32Z
source:         RIPE # Filtered

role:           DataSpring Maintainer
address:        K Zizkovu 851/4, Praha 9, 190 00 Vysocany
nic-hdl:        DASP-RIPE
admin-c:        DL8454-RIPE
admin-c:        JK11817-RIPE
admin-c:        PK7884-RIPE
tech-c:         DL8454-RIPE
tech-c:         PK7884-RIPE
tech-c:         JK11817-RIPE
mnt-by:         MNT-ICT
created:        2016-02-15T14:35:38Z
last-modified:  2019-10-09T13:40:13Z
source:         RIPE # Filtered