213037 CORETECHBG-AS, BG
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS14537 CL-1379-14537 - Continent 8 LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 56156 AS213037 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 CORETECHBG-AS, 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 % 27475 AS213037 CORETECHBG-AS, BG 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 141.226.118.0/23 4777 2497 2914 14537 213037 + Announce - aggregate of 141.226.118.0/24 (4777 2497 2914 14537 213037) and 141.226.119.0/24 (4777 2497 2914 14537 213037) 141.226.118.0/24 4777 2497 2914 14537 213037 - Withdrawn - aggregated with 141.226.119.0/24 (4777 2497 2914 14537 213037) 141.226.119.0/24 4777 2497 2914 14537 213037 - Withdrawn - aggregated with 141.226.118.0/24 (4777 2497 2914 14537 213037)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS213037 2 More Specifics 2 Total Advertisements CORETECHBG-AS, BG
141.226.118.0/24 141.226.118.0/23
141.226.119.0/24 141.226.118.0/23
whois: 402332
IANA has recorded AS213037 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS213037\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 'AS208189 - AS214345'
as-block: AS208189 - AS214345
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: 2026-02-12T14:40:05Z
last-modified: 2026-02-12T14:40:05Z
source: RIPE
% Information related to 'AS213037'
% Abuse contact for 'AS213037' is 'kalin.s@first.bet'
aut-num: AS213037
as-name: CoreTechBG-AS
org: ORG-CBE1-RIPE
import: from AS14537 accept ANY
export: to AS14537 announce AS213037
import: from AS9127 accept ANY
export: to AS9127 announce AS213037
sponsoring-org: ORG-BTCP1-RIPE
admin-c: NET9-RIPE
admin-c: KS11041-RIPE
tech-c: KS11041-RIPE
tech-c: TA9535-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: coretech-mnt
mnt-by: AS9127-MNT
created: 2020-06-25T08:38:16Z
last-modified: 2025-08-06T08:23:27Z
source: RIPE
organisation: ORG-CBE1-RIPE
org-name: CoreTech Bulgaria EOOD
country: BG
org-type: OTHER
address: 1407 Sofia, Bulgaria, 14B Filip Kutev Blvd., Gora Bussines center, 6th floor
reg-nr: 205123546
abuse-c: ACRO33350-RIPE
mnt-ref: AS9127-MNT
mnt-by: AS9127-MNT
created: 2020-06-05T10:53:03Z
last-modified: 2026-04-29T07:28:41Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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