204028 DOLPHINIT, DE
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS3209 VODANET International IP-Backbone of Vodafone, DE
AS3320 DTAG Internet service provider operations, DE
AS3223 VOXILITY, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23690 AS204028 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 DOLPHINIT, 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 % 10861 AS204028 DOLPHINIT, DE 6 4 0 2 4 66.67% Prefix AS Path Aggregation Suggestion 185.118.196.0/22 4777 2516 3320 204028 185.118.196.0/24 4777 2516 3320 204028 - Withdrawn - matching aggregate 185.118.196.0/22 4777 2516 3320 204028 185.118.197.0/24 4777 2516 3320 204028 - Withdrawn - matching aggregate 185.118.196.0/22 4777 2516 3320 204028 185.118.198.0/24 4777 2516 3320 204028 - Withdrawn - matching aggregate 185.118.196.0/22 4777 2516 3320 204028 185.118.199.0/24 4777 2516 3320 204028 - Withdrawn - matching aggregate 185.118.196.0/22 4777 2516 3320 204028 213.170.142.0/24 4608 7575 3356 3223 204028
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204028 4 More Specifics 6 Total Advertisements DOLPHINIT, DE
185.118.196.0/24 185.118.196.0/22
185.118.197.0/24 185.118.196.0/22
185.118.198.0/24 185.118.196.0/22
185.118.199.0/24 185.118.196.0/22
whois: 402332
IANA has recorded AS204028 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204028\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 'AS204028'
% Abuse contact for 'AS204028' is 'abuse@dolphin-it.de'
aut-num: AS204028
as-name: DolphinIT
remarks: https://dolphin-it.de/
org: ORG-DIE3-RIPE
remarks: ***********************************************************
remarks: Commercial Uplink and Transit Partners
remarks: ***********************************************************
remarks: United-Peering.net
import: from AS8268 accept ANY
export: to AS8268 announce AS204028
remarks: Hurricane Electric
import: from AS6939 accept ANY
export: to AS6939 announce AS204028
remarks: Liberty Global Operations B.V.
import: from AS6830 accept ANY
export: to AS6830 announce AS204028
remarks: Vodafone GmbH
import: from AS3209 accept ANY
export: to AS3209 announce AS204028
remarks: Deutsche Telekom AG
import: from AS3320 accept ANY
export: to AS3320 announce AS204028
remarks: Voxility LLP
import: from AS3223 accept ANY
export: to AS3223 announce AS204028
remarks: ***********************************************************
remarks: Direct- und Private-Peering Partners
remarks: ***********************************************************
import: from AS12654 action pref=100; accept NOT ANY
export: to AS12654 announce AS204028
import: from AS6447 action pref=100; accept NOT ANY
export: to AS6447 announce AS204028
import: from AS200632 accept ANY
export: to AS200632 announce AS204028
import: from AS203881 accept ANY
export: to AS203881 announce AS204028
import: from AS203869 accept ANY
export: to AS203869 announce AS204028
import: from AS203870 accept ANY
export: to AS203870 announce AS204028
import: from AS203866 accept ANY
export: to AS203866 announce AS204028
import: from AS203859 accept ANY
export: to AS203859 announce AS204028
import: from AS203846 accept ANY
export: to AS203846 announce AS204028
import: from AS203838 accept ANY
export: to AS203838 announce AS204028
import: from AS203692 accept ANY
export: to AS203692 announce AS204028
import: from AS203696 accept ANY
export: to AS203696 announce AS204028
remarks: WOODYNET
import: from AS42 accept ANY
export: to AS42 announce AS204028
remarks: PCH
import: from AS3856 accept ANY
export: to AS3856 announce AS204028
remarks: ***********************************************************
remarks: Contacts
remarks: ***********************************************************
admin-c: OF1364-RIPE
tech-c: KO1457-RIPE
remarks: ***********************************************************
remarks: For spam/abuse, please contact abuse@dolphin-it.de
remarks: E-mails to the persons above will be IGNORED!
remarks: ***********************************************************
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: DOLPHINIT-MNT
created: 2015-09-10T11:56:44Z
last-modified: 2026-02-12T23:03:45Z
source: RIPE
organisation: ORG-DIE3-RIPE
org-name: Dolphin IT-Systeme e.K.
country: DE
org-type: LIR
address: Clausewitzstraße 47A
address: 42389
address: Wuppertal
address: GERMANY
geoloc: 51.279132 7.255566
phone: +49219285490
fax-no: +492192854929
reg-nr: Not Applicable
admin-c: KO1457-RIPE
tech-c: KO1457-RIPE
abuse-c: AR33593-RIPE
mnt-ref: DOLPHINIT-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: DOLPHINIT-MNT
created: 2015-09-23T10:20:35Z
last-modified: 2026-04-29T05:35:49Z
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
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% This query was served by the RIPE Database Query Service version 1.122 (BUSA)