204383 CZ-SPCOM-AS, CZ
Adjacency: 2 Upstream: 1 Downstream: 1
Upstream Adjacent AS list
AS16019 VODAFONE-CZ-AS, CZ
Downstream Adjacent AS list
AS208659 INNC, CZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9907 AS204383 ORG+TRN Originate: 10752 /18.61 Transit: 1024 /22.00 CZ-SPCOM-AS, 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 % 62923 AS204383 CZ-SPCOM-AS, CZ 18 0 0 18 0 0.00% Prefix AS Path Aggregation Suggestion 77.78.77.0/24 4777 2497 1273 16019 204383 77.78.78.0/23 4777 2497 1273 16019 204383 77.78.94.0/24 4777 2497 1273 16019 204383 77.78.112.0/22 4777 2497 1273 16019 204383 81.0.230.0/24 4777 2497 1273 16019 204383 81.0.242.0/23 4777 2497 1273 16019 204383 82.208.4.0/23 4777 2497 1273 16019 204383 82.208.26.0/24 4777 2497 1273 16019 204383 82.208.32.0/23 4777 2497 1273 16019 204383 82.208.60.0/22 4777 2497 1273 16019 204383 85.239.253.0/24 4777 2497 1273 16019 204383 91.245.8.0/21 4777 2516 1273 16019 204383 109.123.206.0/23 4777 2497 1273 16019 204383 109.123.208.0/23 4777 2497 1273 16019 204383 185.250.172.0/22 4777 2497 1273 16019 204383 217.11.232.0/23 4777 2497 1273 16019 204383 217.11.243.0/24 4777 2497 1273 16019 204383 217.11.246.0/23 4777 2497 1273 16019 204383
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204383 12 More Specifics 18 Total Advertisements CZ-SPCOM-AS, CZ
77.78.77.0/24 77.78.76.0/22
77.78.78.0/23 77.78.76.0/22
77.78.94.0/24 77.78.94.0/23
77.78.112.0/22 77.78.112.0/21
81.0.230.0/24 81.0.230.0/23
81.0.242.0/23 81.0.240.0/22
82.208.4.0/23 82.208.4.0/22
82.208.26.0/24 82.208.26.0/23
82.208.32.0/23 82.208.32.0/22
85.239.253.0/24 85.239.252.0/23
109.123.208.0/23 109.123.208.0/22
217.11.243.0/24 217.11.242.0/23
whois: 402332
IANA has recorded AS204383 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204383\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204383'
% Abuse contact for 'AS204383' is 'abuse@spcom.cz'
aut-num: AS204383
as-name: CZ-SPCOM-AS
org: ORG-SS845-RIPE
import: from AS16019 accept ANY
export: to AS16019 announce AS204383:AS-CUS
import: from AS56344 accept ANY
import: from AS197879 accept any
import: from AS208659 accept AS208659
export: to AS56344 announce AS204383
export: to AS197879 announce AS204383:AS-CUS
export: to AS208659 announce ANY
admin-c: PS21706-RIPE
tech-c: PS21706-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: cz-spcom-1-mnt
created: 2018-03-21T08:01:05Z
last-modified: 2024-03-09T16:52:59Z
source: RIPE
organisation: ORG-SS845-RIPE
org-name: SPCom s.r.o.
country: CZ
org-type: LIR
address: Gocarova trida 227
address: 50003
address: Hradec Kralove
address: CZECH REPUBLIC
phone: +420491040040
admin-c: PS21706-RIPE
tech-c: PS21706-RIPE
abuse-c: AR45597-RIPE
mnt-ref: cz-spcom-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: cz-spcom-1-mnt
created: 2018-03-20T08:53:13Z
last-modified: 2020-12-16T12:32:52Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)