42763 CZAJEN, PL
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS198424 HLG-AS, PL
AS12912 TM, PL
Downstream Adjacent AS list
AS43326 NASZAWIZJA, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 12727 AS42763 ORG+TRN Originate: 7168 /19.19 Transit: 256 /24.00 CZAJEN, PL
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 % 4511 AS42763 CZAJEN, PL 17 14 3 6 11 64.71% Prefix AS Path Aggregation Suggestion 77.87.0.0/21 4777 2497 3320 12912 42763 42763 42763 77.87.0.0/21 4777 2516 3320 12912 42763 42763 42763 + Announce - aggregate of 77.87.0.0/22 (4777 2516 3320 12912 42763 42763 42763) and 77.87.4.0/22 (4777 2516 3320 12912 42763 42763 42763) 77.87.0.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.1.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.1.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.0.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.2.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.3.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.3.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.2.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.4.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.5.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.5.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.4.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.6.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.7.0/24 (4777 2516 3320 12912 42763 42763 42763) 77.87.7.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 77.87.6.0/24 (4777 2516 3320 12912 42763 42763 42763) 91.193.120.0/22 4777 2497 3320 12912 42763 42763 42763 91.193.120.0/22 4777 2516 3320 12912 42763 42763 42763 + Announce - aggregate of 91.193.120.0/23 (4777 2516 3320 12912 42763 42763 42763) and 91.193.122.0/23 (4777 2516 3320 12912 42763 42763 42763) 91.193.120.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 91.193.121.0/24 (4777 2516 3320 12912 42763 42763 42763) 91.193.121.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 91.193.120.0/24 (4777 2516 3320 12912 42763 42763 42763) 91.193.122.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 91.193.123.0/24 (4777 2516 3320 12912 42763 42763 42763) 91.193.123.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 91.193.122.0/24 (4777 2516 3320 12912 42763 42763 42763) 193.33.174.0/23 4777 2497 3320 12912 42763 42763 42763 193.33.174.0/23 4777 2516 3320 12912 42763 42763 42763 + Announce - aggregate of 193.33.174.0/24 (4777 2516 3320 12912 42763 42763 42763) and 193.33.175.0/24 (4777 2516 3320 12912 42763 42763 42763) 193.33.174.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 193.33.175.0/24 (4777 2516 3320 12912 42763 42763 42763) 193.33.175.0/24 4777 2516 3320 12912 42763 42763 42763 - Withdrawn - aggregated with 193.33.174.0/24 (4777 2516 3320 12912 42763 42763 42763)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS42763 14 More Specifics 17 Total Advertisements CZAJEN, PL
77.87.0.0/24 77.87.0.0/21
77.87.1.0/24 77.87.0.0/21
77.87.2.0/24 77.87.0.0/21
77.87.3.0/24 77.87.0.0/21
77.87.4.0/24 77.87.0.0/21
77.87.5.0/24 77.87.0.0/21
77.87.6.0/24 77.87.0.0/21
77.87.7.0/24 77.87.0.0/21
91.193.120.0/24 91.193.120.0/22
91.193.121.0/24 91.193.120.0/22
91.193.122.0/24 91.193.120.0/22
91.193.123.0/24 91.193.120.0/22
193.33.174.0/24 193.33.174.0/23
193.33.175.0/24 193.33.174.0/23
whois: 402332
IANA has recorded AS42763 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS42763\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 'AS42383 - AS42959'
as-block: AS42383 - AS42959
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: 2021-08-19T06:50:17Z
last-modified: 2021-08-19T06:50:17Z
source: RIPE
% Information related to 'AS42763'
% Abuse contact for 'AS42763' is 'abuse@czajen.pl'
aut-num: AS42763
as-name: CZAJEN
org: ORG-CZA1-RIPE
import: from AS8308 accept ANY
export: to AS8308 announce AS42763
import: from AS34275 accept ANY
export: to AS34275 announce AS42763
admin-c: KC960-RIPE
tech-c: KC960-RIPE
status: ASSIGNED
mnt-by: AP-MEDIA-MNT
mnt-by: RIPE-NCC-END-MNT
mnt-by: czajen-mnt
created: 2007-04-12T13:31:23Z
last-modified: 2018-09-04T10:23:26Z
source: RIPE
sponsoring-org: ORG-ASZO80-RIPE
organisation: ORG-CZA1-RIPE
org-name: FPUH Czajen Krzysztof Czaja
country: PL
org-type: OTHER
descr: FPUH czaJen Krzysztof Czaja
remarks: !=====================================================
remarks: In case of abuse (intrusion attempts, hacking,
remarks: spamming or other unaccepted behavior) from
remarks: our address space, please contact only to:
remarks:
remarks: abuse@czajen.pl
remarks:
remarks: Mails sent to other mailboxes will be left without action.
remarks: !=====================================================
address: ul. 3go Maja 12
address: Mielec
address: Poland
phone: +48 17 5831497
fax-no: +48 17 5830289
reg-nr: Not Applicable
abuse-c: ACRO228-RIPE
admin-c: KC960-RIPE
tech-c: KP82-RIPE
mnt-ref: AP-MEDIA-MNT
mnt-by: AP-MEDIA-MNT
mnt-by: czajen-mnt
created: 2007-03-14T15:04:17Z
last-modified: 2026-04-29T07:24:09Z
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.
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% This query was served by the RIPE Database Query Service version 1.122 (SHETLAND)