13172 ESO - Electroenergien Sistemen Operator EAD, BG
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 30041 AS13172 ORIGIN Originate: 1536 /21.42 Transit: 0 /0.00 ESO - Electroenergien Sistemen Operator EAD, BG
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 % 20958 AS13172 ESO - Electroenergien Sistemen Operator EAD, 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 91.211.232.0/24 4608 7575 3356 13172 91.211.234.0/23 4608 7575 3356 13172 13172 + Announce - aggregate of 91.211.234.0/24 (4608 7575 3356 13172 13172) and 91.211.235.0/24 (4608 7575 3356 13172 13172) 91.211.234.0/24 4608 7575 3356 13172 13172 - Withdrawn - aggregated with 91.211.235.0/24 (4608 7575 3356 13172 13172) 91.211.235.0/24 4608 7575 3356 13172 13172 - Withdrawn - aggregated with 91.211.234.0/24 (4608 7575 3356 13172 13172) 185.108.188.0/24 4608 7575 3356 13172 185.108.191.0/24 4608 7575 3356 13172 13172 195.225.127.0/24 4608 7575 3356 13172
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS13172 6 More Specifics 6 Total Advertisements ESO - Electroenergien Sistemen Operator EAD, BG
91.211.232.0/24 91.211.232.0/22
91.211.234.0/24 91.211.232.0/22
91.211.235.0/24 91.211.232.0/22
185.108.188.0/24 185.108.188.0/22
185.108.191.0/24 185.108.188.0/22
195.225.127.0/24 195.225.124.0/22
whois: 402603
IANA has recorded AS13172 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS13172\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 'AS12557 - AS13223'
as-block: AS12557 - AS13223
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: 2018-11-22T15:27:24Z
last-modified: 2018-11-22T15:27:24Z
source: RIPE
% Information related to 'AS13172'
% Abuse contact for 'AS13172' is 'abuse@eso.bg'
aut-num: AS13172
as-name: ESO
org: ORG-ESOE1-RIPE
import: from AS34224 action pref=100; accept ANY
import: from AS15669 action pref=100; accept ANY
import: from AS3356 action pref=100; accept ANY
import: from AS57463 action pref=100; accept ANY
import: from AS39107 action pref=100; accept ANY
import: from AS8262 action pref=100; accept ANY
import: from AS8075 action pref=100; accept AS8075
export: to AS34224 announce AS13172
export: to AS15669 announce AS13172
export: to AS3356 announce AS13172
export: to AS57463 announce AS13172
export: to AS39107 announce AS13172
export: to AS8262 announce AS13172
export: to AS8075 announce AS13172
export: to AS202 announce AS13172
admin-c: IOTA-RIPE
tech-c: IOTA-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: NOC-ESO
created: 2005-02-04T13:49:16Z
last-modified: 2025-10-27T08:06:25Z
source: RIPE
organisation: ORG-ESOE1-RIPE
org-name: Electroenergien Sistemen Operator EAD
country: BG
reg-nr: 175201304
org-type: LIR
address: 201, Tsar Boris III blvd.
address: 1618
address: Sofia
address: BULGARIA
phone: +35929691370
mnt-ref: NOC-ESO
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: NOC-ESO
created: 2014-10-09T13:56:18Z
abuse-c: ESOA-RIPE
last-modified: 2026-05-13T07:19:58Z
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 1.122.1 (DEXTER)