AS204028 Dolphin IT-Systeme e.K. 🇩🇪 DE
Announcing 13 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
2,304 (9 × /24)
IPv6 prefixes
7
8 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
7
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS204028
- Name
- Dolphin IT-Systeme e.K.
- Organisation
- Dolphin IT-Systeme
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 2015-09-10
- Scope
- Not Disclosed
- PeeringDB
- net/10576
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.ripe.net
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 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 reg-nr: Not Applicable org-type: LIR address: Clausewitzstra�e 47A address: 42389 address: Wuppertal address: GERMANY geoloc: 51.279132 7.255566 phone: +49219285490 fax-no: +492192854929 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: 2026-05-13T07:36:35Z source: RIPE # Filtered person: Kevin Olbrich org: ORG-DIE3-RIPE remarks: *********************************************************** remarks: For spam/abuse, please contact abuse@dolphin-it.de remarks: E-mails to the persons below will be IGNORED! remarks: *********************************************************** address: Clausewitzstra�e 47A address: 42389 address: Wuppertal address: GERMANY phone: +49219285490 nic-hdl: KO1457-RIPE mnt-by: DOLPHINIT-MNT created: 2015-09-23T10:20:34Z last-modified: 2024-01-18T13:33:53Z source: RIPE # Filtered person: Olaf Famers org: ORG-DIE3-RIPE remarks: *********************************************************** remarks: For spam/abuse, please contact abuse@dolphin-it.de remarks: E-mails to the persons below will be IGNORED! remarks: *********************************************************** address: Clausewitzstra�e 47A address: 42389 address: Wuppertal address: GERMANY phone: +49219285490 nic-hdl: OF1364-RIPE mnt-by: DOLPHINIT-MNT created: 2015-06-18T05:46:41Z last-modified: 2024-01-18T13:33:37Z source: RIPE # Filtered