201730 DATASPRING, CZ
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS6939 HURRICANE, US
AS16019 VODAFONE-CZ-AS, CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 10072 AS201730 ORIGIN Originate: 10496 /18.64 Transit: 0 /0.00 DATASPRING, CZ
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 2842 AS201730 DATASPRING, CZ 26 20 0 6 20 76.92% Prefix AS Path Aggregation Suggestion 37.221.88.0/22 6939 201730 37.221.88.0/24 6939 201730 - Withdrawn - matching aggregate 37.221.88.0/22 6939 201730 37.221.89.0/24 6939 201730 - Withdrawn - matching aggregate 37.221.88.0/22 6939 201730 37.221.90.0/24 6939 201730 - Withdrawn - matching aggregate 37.221.88.0/22 6939 201730 37.221.91.0/24 6939 201730 - Withdrawn - matching aggregate 37.221.88.0/22 6939 201730 185.65.92.0/22 6939 201730 185.65.92.0/24 6939 201730 - Withdrawn - matching aggregate 185.65.92.0/22 6939 201730 185.65.93.0/24 6939 201730 - Withdrawn - matching aggregate 185.65.92.0/22 6939 201730 185.65.94.0/24 6939 201730 - Withdrawn - matching aggregate 185.65.92.0/22 6939 201730 185.65.95.0/24 6939 201730 - Withdrawn - matching aggregate 185.65.92.0/22 6939 201730 185.78.100.0/22 6939 201730 185.78.100.0/24 6939 201730 - Withdrawn - matching aggregate 185.78.100.0/22 6939 201730 185.78.101.0/24 6939 201730 - Withdrawn - matching aggregate 185.78.100.0/22 6939 201730 185.78.102.0/24 6939 201730 - Withdrawn - matching aggregate 185.78.100.0/22 6939 201730 185.78.103.0/24 6939 201730 - Withdrawn - matching aggregate 185.78.100.0/22 6939 201730 185.138.244.0/22 6939 201730 185.138.244.0/24 6939 201730 - Withdrawn - matching aggregate 185.138.244.0/22 6939 201730 185.138.245.0/24 6939 201730 - Withdrawn - matching aggregate 185.138.244.0/22 6939 201730 185.138.246.0/24 6939 201730 - Withdrawn - matching aggregate 185.138.244.0/22 6939 201730 185.138.247.0/24 6939 201730 - Withdrawn - matching aggregate 185.138.244.0/22 6939 201730 185.146.148.0/22 6939 201730 185.146.148.0/24 6939 201730 - Withdrawn - matching aggregate 185.146.148.0/22 6939 201730 185.146.149.0/24 6939 201730 - Withdrawn - matching aggregate 185.146.148.0/22 6939 201730 185.146.150.0/24 6939 201730 - Withdrawn - matching aggregate 185.146.148.0/22 6939 201730 185.146.151.0/24 6939 201730 - Withdrawn - matching aggregate 185.146.148.0/22 6939 201730 194.169.252.0/24 6939 201730
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS201730 26 More Specifics 35 Total Advertisements DATASPRING, CZ
37.221.88.0/24 37.221.88.0/22
37.221.89.0/24 37.221.88.0/22
37.221.90.0/24 37.221.88.0/22
37.221.91.0/24 37.221.88.0/22
185.65.92.0/24 185.65.92.0/22
185.65.93.0/24 185.65.92.0/22
185.65.94.0/24 185.65.92.0/22
185.65.95.0/24 185.65.92.0/22
185.78.100.0/24 185.78.100.0/22
185.78.101.0/24 185.78.100.0/22
185.78.102.0/24 185.78.100.0/22
185.78.103.0/24 185.78.100.0/22
185.138.244.0/24 185.138.244.0/22
185.138.245.0/24 185.138.244.0/22
185.138.246.0/24 185.138.244.0/22
185.138.247.0/24 185.138.244.0/22
185.146.148.0/24 185.146.148.0/22
185.146.149.0/24 185.146.148.0/22
185.146.150.0/24 185.146.148.0/22
185.146.151.0/24 185.146.148.0/22
185.173.148.0/24 185.173.148.0/22
185.173.149.0/24 185.173.148.0/22
185.173.150.0/24 185.173.148.0/22
185.173.151.0/24 185.173.148.0/22
194.33.18.0/24 194.33.18.0/23
194.33.19.0/24 194.33.18.0/23
whois: 402590
IANA has recorded AS201730 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS201730\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS200537 - AS203022'
as-block: AS200537 - AS203022
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: 2026-04-08T13:28:00Z
last-modified: 2026-04-08T13:28:00Z
source: RIPE
% Information related to 'AS201730'
% Abuse contact for 'AS201730' is 'support@cloud4com.com'
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
status: ASSIGNED
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 # Filtered
organisation: ORG-CS814-RIPE
org-name: Cloud4com s.r.o.
country: CZ
reg-nr: 21050309
org-type: LIR
address: Skokanská 2117/1
address: 16900
address: Praha 6
address: CZECH REPUBLIC
phone: +420602703259
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: 2026-05-13T07:14:12Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)