SUBNET.IM

AS204028Dolphin IT-Systeme e.K.

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

6

IPv6 prefixes

7

IPv4 addresses

2.3k

IPv6 /64s

34.4B

Upstream graph

The networks AS204028 is seen behind, one and two hops out, drawn from real AS paths.

AS204028Toward the internet core
Upstream graph for AS204028: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204028Dolphin IT-System…This networkAS3209Vodafone GmbHAS3223Voxility LLPAS3320Deutsche Telekom …AS1273Vodafone Group PLCAS3356Lumen (Level 3)AS2914NTT America, Inc.AS13030Init7 (Switzerlan…AS398465Rackdog LLC

Networks observed one and two hops upstream of AS204028 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

20

adjacent networks

Upstreams
315%
Peers
1050%
Downstreams
735%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS204028
NetworkCountryRelationshipPathsVantage pts
AS3209Vodafone GmbHDEPeer68482
AS3320Deutsche Telekom AGDEPeer36665
AS3223Voxility LLPGBPeer29061

Prefixes

The largest blocks AS204028 originates, widest first.

Largest prefixes originated by AS204028
PrefixAddressesVisibility
185.118.196.0/221k79/80
185.118.196.0/2425679/80
185.118.197.0/2425679/80
185.118.198.0/2425679/80
185.118.199.0/2425679/80
213.170.142.0/2425680/80
2a06:9500::/2934.4B × /6462/62
2a06:9500:7::/4865.5k × /6462/62
2a06:9500:1001::/4865.5k × /6462/62
2a06:9500:1002::/4865.5k × /6462/62

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.