211804 SISTEMDC, TR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS208972 GIBIRNET-, TR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 41327 AS211804 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 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 % 27839 AS211804 SISTEMDC, TR 4 2 1 3 1 25.00% Prefix AS Path Aggregation Suggestion 5.56.30.0/24 2914 59796 208972 211804 185.250.240.0/24 2914 59796 208972 211804 185.250.242.0/23 2914 59796 208972 211804 + Announce - aggregate of 185.250.242.0/24 (2914 59796 208972 211804) and 185.250.243.0/24 (2914 59796 208972 211804) 185.250.242.0/24 2914 59796 208972 211804 - Withdrawn - aggregated with 185.250.243.0/24 (2914 59796 208972 211804) 185.250.243.0/24 2914 59796 208972 211804 - Withdrawn - aggregated with 185.250.242.0/24 (2914 59796 208972 211804)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS211804 9 More Specifics 10 Total Advertisements SISTEMDC, TR
45.8.191.0/24 45.8.188.0/22
45.143.97.0/24 45.143.96.0/22
86.38.184.0/24 86.38.184.0/22
89.116.69.0/24 89.116.68.0/23
103.76.128.0/24 103.76.128.0/22
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
188.132.151.0/24 188.132.150.0/23
77.92.145.0/24 77.92.144.0/22
91.102.162.0/24 91.102.160.0/21
188.132.129.0/24 188.132.128.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 45.8.191.0/24 Announced
+ 45.143.97.0/24 Announced
+ 86.38.184.0/24 Announced
+ 89.116.69.0/24 Announced
+ 188.132.151.0/24 Announced
+ 188.132.168.0/24 Announced
- 77.92.145.0/24 Withdrawn
- 91.102.162.0/24 Withdrawn
- 188.132.129.0/24 Withdrawn
whois: 402590
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
descr: Sistemdc - https://www.sistemdc.com
org: ORG-OYTA1-RIPE
import: from AS208972 accept ANY
export: to AS208972 announce AS211804
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: 2026-05-15T08:29:49Z
source: RIPE
organisation: ORG-OYTA1-RIPE
org-name: Ozan Yildiz trading as Sistemdc webhosting and server services
country: TR
reg-nr: Not Applicable
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: 2026-05-13T07:38:49Z
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 (ABERDEEN)