50187 BWC BaikalWestCom LLC, RU
Adjacency: 10 Upstream: 5 Downstream: 5
Upstream Adjacent AS list
AS20764 RASCOM-AS CJSC RASCOM ISP, RU
AS3216 SOVAM-AS, RU
AS20485 TRANSTELECOM Moscow, Russia, RU
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS12389 ROSTELECOM-AS, RU
Downstream Adjacent AS list
AS213480 --No Registry Entry--
AS44345 SLATA-AS, RU
AS211587 --No Registry Entry--
AS56535 ALPARI-AS, RU
AS42897 TELNET-LTD-AS, RU
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 11088 AS50187 ORG+TRN Originate: 8960 /18.87 Transit: 4352 /19.91 BWC BaikalWestCom LLC, RU
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 % 5574 AS50187 BWC BaikalWestCom LLC, RU 25 13 4 16 9 36.00% Prefix AS Path Aggregation Suggestion 5.183.146.0/23 6939 12389 50187 + Announce - aggregate of 5.183.146.0/24 (6939 12389 50187) and 5.183.147.0/24 (6939 12389 50187) 5.183.146.0/24 6939 12389 50187 - Withdrawn - aggregated with 5.183.147.0/24 (6939 12389 50187) 5.183.147.0/24 6939 12389 50187 - Withdrawn - aggregated with 5.183.146.0/24 (6939 12389 50187) 31.44.244.0/23 7018 1299 50187 31.44.244.0/24 3257 12389 50187 31.44.245.0/24 6939 12389 50187 31.44.247.0/24 7018 1299 50187 37.139.80.0/23 6939 12389 50187 + Announce - aggregate of 37.139.80.0/24 (6939 12389 50187) and 37.139.81.0/24 (6939 12389 50187) 37.139.80.0/24 6939 12389 50187 - Withdrawn - aggregated with 37.139.81.0/24 (6939 12389 50187) 37.139.81.0/24 6939 12389 50187 - Withdrawn - aggregated with 37.139.80.0/24 (6939 12389 50187) 37.139.82.0/23 7018 1299 50187 91.240.102.0/23 3257 12389 50187 91.240.102.0/24 7018 1299 50187 91.240.103.0/24 6939 12389 50187 185.234.228.0/22 3257 12389 50187 185.234.228.0/23 6939 12389 50187 + Announce - aggregate of 185.234.228.0/24 (6939 12389 50187) and 185.234.229.0/24 (6939 12389 50187) 185.234.228.0/24 6939 12389 50187 - Withdrawn - aggregated with 185.234.229.0/24 (6939 12389 50187) 185.234.229.0/24 6939 12389 50187 - Withdrawn - aggregated with 185.234.228.0/24 (6939 12389 50187) 185.234.230.0/24 3257 12389 50187 - Withdrawn - matching aggregate 185.234.228.0/22 3257 12389 50187 185.234.231.0/24 6939 12389 50187 195.93.148.0/23 6939 12389 50187 195.93.148.0/23 7018 1299 50187 + Announce - aggregate of 195.93.148.0/24 (7018 1299 50187) and 195.93.149.0/24 (7018 1299 50187) 195.93.148.0/24 7018 1299 50187 - Withdrawn - aggregated with 195.93.149.0/24 (7018 1299 50187) 195.93.149.0/24 7018 1299 50187 - Withdrawn - aggregated with 195.93.148.0/24 (7018 1299 50187) 212.67.28.0/22 7018 1299 50187 212.67.28.0/24 7018 1299 50187 - Withdrawn - matching aggregate 212.67.28.0/22 7018 1299 50187 212.67.29.0/24 7018 1299 50187 - Withdrawn - matching aggregate 212.67.28.0/22 7018 1299 50187 212.67.30.0/24 7018 1299 50187 - Withdrawn - matching aggregate 212.67.28.0/22 7018 1299 50187 212.67.31.0/24 7018 1299 50187 - Withdrawn - matching aggregate 212.67.28.0/22 7018 1299 50187
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS50187 12 More Specifics 15 Total Advertisements BWC BaikalWestCom LLC, RU
31.44.244.0/23 31.44.240.0/20
31.44.244.0/24 31.44.240.0/20
31.44.245.0/24 31.44.240.0/20
31.44.247.0/24 31.44.240.0/20
91.240.102.0/24 91.240.102.0/23
91.240.103.0/24 91.240.102.0/23
185.234.228.0/24 185.234.228.0/22
185.234.229.0/24 185.234.228.0/22
185.234.230.0/24 185.234.228.0/22
185.234.231.0/24 185.234.228.0/22
195.93.148.0/24 195.93.148.0/23
195.93.149.0/24 195.93.148.0/23
212.67.28.0/24 212.67.28.0/22
212.67.29.0/24 212.67.28.0/22
212.67.30.0/24 212.67.28.0/22
212.67.31.0/24 212.67.28.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 212.67.28.0/22 Withdrawn
- 212.67.28.0/24 Withdrawn
- 212.67.29.0/24 Withdrawn
- 212.67.30.0/24 Withdrawn
- 212.67.31.0/24 Withdrawn
whois: 402590
IANA has recorded AS50187 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS50187\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 'AS50050 - AS50218'
as-block: AS50050 - AS50218
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: 2024-12-06T06:09:56Z
last-modified: 2024-12-06T06:09:56Z
source: RIPE
% Information related to 'AS50187'
% Abuse contact for 'AS50187' is 'yuri@hi-link.ru'
aut-num: AS50187
as-name: BWC
org: ORG-BL454-RIPE
remarks: Upstreams
import: from AS12389 action pref=100; accept ANY;
export: to AS12389 action pref=100; announce AS-BWC;
import: from AS20485 action pref=100; accept ANY;
export: to AS20485 action pref=100; announce AS-BWC;
import: from AS44267 action pref=100; accept ANY;
export: to AS44267 action pref=100; announce AS-BWC;
import: from AS3216 action pref=100; accept ANY;
export: to AS3216 action pref=100; announce AS-BWC;
remarks: ------------------
remarks: Peers
import: from AS25478 action pref=100; accept ANY;
export: to AS25478 action pref=100; announce AS-BWC;
import: from AS31500 action pref=100; accept ANY;
export: to AS31500 action pref=100; announce AS-BWC;
import: from AS50952 action pref=100; accept ANY;
export: to AS50952 action pref=100; announce AS-BWC;
import: from AS50384 action pref=100; accept ANY;
export: to AS50384 action pref=100; announce AS-BWC;
export: to AS42403 action pref=100; announce AS-BWC;
import: from AS42403 action pref=100; accept ANY;
export: to AS8631 action pref=100; announce AS-BWC;
import: from AS8631 action pref=100; accept ANY;
remarks: ------------------
remarks: Clients
import: from AS44345 action pref=100; accept AS44345;
export: to AS44345 action pref=100; announce ANY;
import: from AS42897 action pref=100; accept AS42897:AS-TELNET-LLC;
export: to AS42897 action pref=100; announce ANY;
import: from AS56535 action pref=100; accept AS56535;
export: to AS56535 action pref=100; announce ANY;
import: from AS211587 action pref=100; accept AS211587;
export: to AS211587 action pref=100; announce ANY;
import: from AS213480 action pref=100; accept AS213480;
export: to AS213480 action pref=100; announce ANY;
admin-c: YYV4-RIPE
admin-c: YVY7-RIPE
tech-c: YYV4-RIPE
tech-c: YVY7-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ru-hi-link-1-mnt
mnt-by: ru-bwc-mnt
created: 2009-11-26T15:40:33Z
last-modified: 2025-11-06T08:15:48Z
source: RIPE
sponsoring-org: ORG-HL162-RIPE
descr: BaikalWestCom LLC
organisation: ORG-BL454-RIPE
tech-c: YYV4-RIPE
tech-c: YVY7-RIPE
admin-c: YYV4-RIPE
admin-c: YVY7-RIPE
org-name: BaikalWestCom
country: RU
reg-nr: 1193850036940
descr: BWC LLC
org-type: OTHER
address: 339, Lermontova
address: 664000, Irkutsk
address: Russia
abuse-c: AR43957-RIPE
mnt-ref: ru-hi-link-1-mnt
mnt-by: ru-hi-link-1-mnt
mnt-by: ru-bwc-mnt
created: 2020-06-11T09:09:15Z
last-modified: 2026-05-13T05:47:51Z
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)