211804 SISTEMDC, TR
Adjacency: 4 Upstream: 2 Downstream: 2
Upstream Adjacent AS list
AS48678 TR-PENTECH-AS PENDC Data Center Infrastructure, TR
AS199524 GCORE, LU
Downstream Adjacent AS list
AS216099 HOSTINODE HOSTINODE, TR
AS208913 KITSUNE-HOSTING, TR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 41251 AS211804 ORG+TRN Originate: 1024 /22.00 Transit: 768 /22.42 SISTEMDC, TR
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 % 28008 AS211804 SISTEMDC, TR 4 2 1 3 1 25.00% Prefix AS Path Aggregation Suggestion 5.56.30.0/24 4777 2516 3491 199524 211804 185.250.240.0/24 4777 2516 3491 199524 211804 185.250.242.0/23 4777 2516 3491 199524 211804 + Announce - aggregate of 185.250.242.0/24 (4777 2516 3491 199524 211804) and 185.250.243.0/24 (4777 2516 3491 199524 211804) 185.250.242.0/24 4777 2516 3491 199524 211804 - Withdrawn - aggregated with 185.250.243.0/24 (4777 2516 3491 199524 211804) 185.250.243.0/24 4777 2516 3491 199524 211804 - Withdrawn - aggregated with 185.250.242.0/24 (4777 2516 3491 199524 211804)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS211804 4 More Specifics 4 Total Advertisements SISTEMDC, TR
5.56.30.0/24 5.56.24.0/21
185.250.240.0/24 185.250.240.0/22
185.250.242.0/24 185.250.240.0/22
185.250.243.0/24 185.250.240.0/22
whois: 402332
IANA has recorded AS211804 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS211804\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 'AS211804'
% Abuse contact for 'AS211804' is 'abuse@sistemdc.com'
aut-num: AS211804
as-name: SISTEMDC
org: ORG-OYTA1-RIPE
import: from AS48678 accept ANY
export: to AS48678 announce as211804:as-sistemdc
import: from AS62403 accept ANY
export: to AS62403 announce as211804:as-sistemdc
admin-c: OY388-RIPE
tech-c: OY388-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: tr-sistemdc-1-mnt
created: 2021-02-15T15:29:10Z
last-modified: 2025-12-29T21:13:37Z
source: RIPE
organisation: ORG-OYTA1-RIPE
org-name: Ozan Yildiz trading as Sistemdc webhosting and server services
country: TR
org-type: LIR
address: yenimahalle devrengec cd erol sacmaci apt no9 d6
address: 16326
address: Bursa
address: TURKEY
phone: +902243340242
remarks: *** This IP block is used for web hosting,***
remarks: *** of many many web sites. In case of a ***
remarks: *** spam, please only deal with the exact ***
remarks: *** originator IP only. ***
remarks: *** DO NOT DEAL WITH THE WHOLE IP BLOCK ***
admin-c: OY388-RIPE
tech-c: OY388-RIPE
abuse-c: AR45588-RIPE
mnt-ref: tr-sistemdc-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: tr-sistemdc-1-mnt
created: 2018-03-19T13:57:30Z
last-modified: 2020-12-16T12:47:00Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% 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 1.121.2 (BUSA)