204188 AS-ITSG, DE
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS3257 GTT-BACKBONE GTT, US
AS35280 F5, FR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 20478 AS204188 ORIGIN Originate: 3072 /20.42 Transit: 0 /0.00 AS-ITSG, DE
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 % 27427 AS204188 AS-ITSG, DE 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 45.157.220.0/22 4777 2497 3257 204188 45.157.220.0/24 4777 35280 204188 91.198.86.0/24 4777 35280 204188 185.251.176.0/22 4777 2497 3257 204188 185.251.178.0/23 4777 35280 204188 + Announce - aggregate of 185.251.178.0/24 (4777 35280 204188) and 185.251.179.0/24 (4777 35280 204188) 185.251.178.0/24 4777 35280 204188 - Withdrawn - aggregated with 185.251.179.0/24 (4777 35280 204188) 185.251.179.0/24 4777 35280 204188 - Withdrawn - aggregated with 185.251.178.0/24 (4777 35280 204188)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204188 3 More Specifics 6 Total Advertisements AS-ITSG, DE
45.157.220.0/24 45.157.220.0/22
185.251.178.0/24 185.251.176.0/22
185.251.179.0/24 185.251.176.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 45.157.220.0/24 Announced
+ 185.251.178.0/24 Announced
+ 185.251.179.0/24 Announced
whois: 402332
IANA has recorded AS204188 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204188\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 'AS203940 - AS205662'
as-block: AS203940 - AS205662
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204188'
% Abuse contact for 'AS204188' is 'noc@itsg.de'
aut-num: AS204188
as-name: AS-ITSG
org: ORG-IISD2-RIPE
remarks: +++ GTT +++
import: from AS3257 accept ANY
export: to AS3257 announce AS204188
remarks: +++ Arelion +++
import: from AS1299 accept ANY
export: to AS1299 announce AS204188
remarks: +++ Level3 +++
import: from AS3356 accept ANY
export: to AS3356 announce AS204188
remarks: +++ ECIX Internet Exchange +++
import: from AS9033 accept ANY
export: to AS9033 announce AS204188
remarks: +++ Equinix Internet Exchange +++
import: from AS24115 accept ANY
export: to AS24115 announce AS204188
remarks: +++ Core-Backbone +++
import: from AS33891 accept ANY
export: to AS33891 announce AS204188
remarks: +++ Inter.link +++
import: from AS5405 accept ANY
export: to AS5405 announce AS204188
admin-c: MK21356-RIPE
tech-c: MK21356-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: de-itsg-1-mnt
created: 2018-04-10T13:15:04Z
last-modified: 2025-12-22T13:44:17Z
source: RIPE
organisation: ORG-IISD2-RIPE
org-name: ITSG Informationstechnische Servicestelle der Gesetzlichen Krankenversicherung GmbH
country: DE
org-type: LIR
address: Kaiserleistrasse 10-16
address: 63067
address: Offenbach
address: GERMANY
phone: +49-6104600500
admin-c: MK21356-RIPE
admin-c: DS22124-RIPE
admin-c: RW4837-RIPE
tech-c: MK21356-RIPE
tech-c: DS22124-RIPE
tech-c: RW4837-RIPE
abuse-c: AR45625-RIPE
mnt-ref: de-itsg-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: de-itsg-1-mnt
created: 2018-03-21T09:43:11Z
last-modified: 2024-10-16T08:15:52Z
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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