57697 TIER4, UA
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS42352 QOS, UA
AS43668 BIGNET-AS, UA
Downstream Adjacent AS list
AS41062 PRO100-NET-AS, UA
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 30998 AS57697 ORG+TRN Originate: 1536 /21.42 Transit: 1536 /21.42 TIER4, UA
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 % 24152 AS57697 TIER4, UA 3 1 0 2 1 33.33% Prefix AS Path Aggregation Suggestion 185.154.180.0/22 4777 2497 174 3326 42352 57697 185.154.180.0/24 4777 2497 174 3326 42352 57697 - Withdrawn - matching aggregate 185.154.180.0/22 4777 2497 174 3326 42352 57697 185.154.183.0/24 4777 2516 3257 43668 57697
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS57697 2 More Specifics 3 Total Advertisements TIER4, UA
185.154.180.0/24 185.154.180.0/22
185.154.183.0/24 185.154.180.0/22
whois: 402332
IANA has recorded AS57697 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS57697\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 'AS57370 - AS57973'
as-block: AS57370 - AS57973
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: 2025-04-24T14:15:44Z
last-modified: 2025-04-24T14:15:44Z
source: RIPE
% Information related to 'AS57697'
% Abuse contact for 'AS57697' is 'abuse@tier4.kiev.ua'
aut-num: AS57697
as-name: tier4
org: ORG-TL389-RIPE
import: from AS43668 accept ANY
export: to AS43668 announce AS-TIER4
import: from as21219 accept ANY
export: to as21219 announce AS-TIER4
import: from AS42352 accept ANY
export: to AS42352 announce AS-TIER4
import: from AS41062 accept AS41062
export: to AS41062 announce ANY
admin-c: EZ1732-RIPE
tech-c: EZ1732-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ua-tier-4-1-mnt
created: 2016-06-03T13:06:04Z
last-modified: 2022-08-22T12:23:00Z
source: RIPE
organisation: ORG-TL389-RIPE
org-name: Tier-4 Ltd
country: UA
org-type: LIR
address: Predslavinskay str 28 office 1007
address: 03160
address: Kyiv
address: UKRAINE
phone: +380506838372
admin-c: EZ1732-RIPE
tech-c: EZ1732-RIPE
abuse-c: AR36564-RIPE
mnt-ref: ua-tier-4-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: ua-tier-4-1-mnt
created: 2016-05-31T13:37:52Z
last-modified: 2020-12-16T12:28:20Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)