Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS204028

Announcement observedRIPE NCC

DolphinIT Dolphin IT-Systeme e.K. · DolphinIT

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/10/2026, 17:32:40Snapshot expired

View network topology RDAP registration

ASN: AS204028
Registration country: Germany
Name: DolphinIT Dolphin IT-Systeme e.K.
Abbreviation: DolphinIT
Registration date: 9/10/2015, 11:56:44
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.118.196.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid
185.118.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid
185.118.197.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid
185.118.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid
185.118.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid
213.170.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: DolphinIT Dolphin IT-Systeme e.K.
RIR: RIPE NCC
Registration country: Germany
Registration date: 9/10/2015, 11:56:44
Abuse contact: abuse@dolphin-it.de

Snapshot trend

10/10/2026, 17:32:406 v47 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap