subnet.im

AS20546SOPRADO GmbH

GermanyRegistryRIPE NCC

As of 14th November 2026, AS20546 (SOPRADO GmbH), a network registered in Germany with RIPE NCC, originates 76 IPv4 prefixes covering 19.5k addresses and 55 IPv6 prefixes. By IPv4 address space that makes it the 7,323rd-largest of the 80,840 networks we see originating IPv4, and the 263rd-largest of 2,340 in Germany. It is seen behind 37 upstream networks, most often AS33891 (Core-Backbone GmbH) and AS174 (Cogent Communications, LLC), and in front of 2 downstream networks. 90% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 89% of its routes reach at least 90% of full-feed peers, and 2 prefixes are also originated by another network.

At a glance

IPv4 prefixes

76

IPv6 prefixes

55

IPv4 addresses

19.5k

IPv6 /64s

103B

Upstream graph

The networks AS20546 is seen behind, one and two hops out, drawn from real AS paths.

AS20546Toward the internet core
Upstream graph for AS20546: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS20546SOPRADO GmbHThis networkAS174Cogent Communicat…AS2914NTT America, Inc.AS6939Hurricane Electri…AS13030Init7 (Switzerlan…AS33891Core-Backbone GmbHAS151326DCConnect Communi…AS49544i3D.net B.VAS215859Hetzner Cloud - S…AS1299Arelion (fka. Tel…AS20130Depaul UniversityAS6667Elisa OyjAS24940Hetzner Online Gm…

Networks observed one and two hops upstream of AS20546 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

230

adjacent networks

Upstreams
3716%
Peers
19183%
Downstreams
21%

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

Upstreams of AS20546
NetworkCountryRelationshipPathsVantage pts
AS33891Core-Backbone GmbHDEPeer7,209142
AS174Cogent Communications, LLCUSPeer458136
AS2914NTT America, Inc.USPeer37157
AS6939Hurricane Electric LLCUSPeer34348
AS13030Init7 (Switzerland) Ltd.CHPeer904
AS14537Continent 8 LLCUSPeer583
AS24482SG.GSSGPeer513
AS35280F5 Networks SARLFRPeer493
AS49544i3D.net B.VNLPeer432
AS8298IPng Networks GmbHCHPeer412

Prefixes

All 131

The largest blocks AS20546 originates, widest first.

Largest prefixes originated by AS20546
PrefixAddressesVisibility
37.143.40.0/2425678/78
37.143.41.0/2425678/78
37.143.42.0/2425678/78
37.143.43.0/2425678/78
37.143.44.0/2425678/78
37.143.45.0/2425678/78
37.143.46.0/2425678/78
37.143.47.0/2425678/78
45.91.156.0/2425678/78
45.91.157.0/2425678/78

Routing health

How AS20546's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid90.1%118
  • Invalid0.0%0
  • No ROA9.9%13

Propagation

  • Globally propagated90% of full-feed peers or more88.5%116
  • Partially propagated40% to 90%10.7%14
  • Seen by few peersUnder 40%0.8%1

Prefix sizes

IPv4 — 76 prefixes

IPv6 — 55 prefixes

  • /2934.4B × /641.8%1
  • /324.3B × /6429.1%16
  • /4865.5k × /6469.1%38

Recent changes

Announcements that started or stopped since 15th Oct 2026.

  • Withdrawn141.90.14.0/2414th Nov 2026
  • Withdrawn185.158.156.0/2414th Nov 2026
  • Withdrawn194.147.207.0/2414th Nov 2026
  • Withdrawn195.94.88.0/2413th Nov 2026
  • Withdrawn195.94.90.0/2413th Nov 2026
  • Withdrawn62.40.0.0/2413th Nov 2026
  • Announced141.90.14.0/2413th Nov 2026
  • Announced185.158.156.0/2413th Nov 2026
  • Announced195.94.88.0/2413th Nov 2026
  • Announced195.94.90.0/2413th Nov 2026
  • Announced62.40.0.0/2413th Nov 2026
  • Withdrawn141.90.15.0/2412th Nov 2026

29 announced and 30 withdrawn in all; the most recent are shown.

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