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AS15372IBH connect GmbH

GermanyRegistryRIPE NCC

As of 22nd October 2026, AS15372 (IBH connect GmbH), a network registered in Germany with RIPE NCC, originates 10 IPv4 prefixes covering 11.5k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 9,765th-largest of the 79,663 networks we see originating IPv4, and the 346th-largest of 2,307 in Germany. It is seen behind 8 upstream networks, most often AS21413 (Envia Tel GmbH) and AS9136 (WOBCOM GmbH), and in front of 4 downstream networks. 92% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 92% of its routes reach at least 90% of full-feed peers, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

10

IPv6 prefixes

2

IPv4 addresses

11.5k

IPv6 /64s

4.3B

Upstream graph

The networks AS15372 is seen behind, one and two hops out, drawn from real AS paths.

AS15372Toward the internet core
Upstream graph for AS15372: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS15372IBH connect GmbHThis networkAS3320Deutsche Telekom …AS6939Hurricane Electri…AS9136WOBCOM GmbHAS13237euNetworks GmbHAS21413Envia Tel GmbHAS13030Init7 (Switzerlan…AS37271Workonline Commun…AS2914NTT America, Inc.AS1299Arelion (fka. Tel…AS3257GTT Communication…AS3356Lumen (Level 3)AS33891Core-Backbone GmbH

Networks observed one and two hops upstream of AS15372 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

28

adjacent networks

Upstreams
829%
Peers
1657%
Downstreams
414%

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

Upstreams of AS15372
NetworkCountryRelationshipPathsVantage pts
AS21413Envia Tel GmbHDEPeer40965
AS9136WOBCOM GmbHDEPeer28755
AS13237euNetworks GmbHDEPeer25729
AS3320Deutsche Telekom AGDEPeer13518
AS6939Hurricane Electric LLCUSPeer344
AS174Cogent Communications, LLCUSPeer314
AS6797GlobalConnect ABSEPeer111
AS24482SG.GSSGPeer101

Prefixes

The largest blocks AS15372 originates, widest first.

Largest prefixes originated by AS15372
PrefixAddressesVisibility
212.111.224.0/198.2k77/77
193.36.120.0/221k77/77
188.239.188.0/2351277/77
91.90.167.0/2425677/77
141.76.202.0/2425643/77
153.96.101.0/2425677/77
153.96.230.0/2425677/77
176.111.245.0/2425677/77
193.176.146.0/2425677/77
195.248.83.0/2425677/77

Routing health

How AS15372'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

  • Valid91.7%11
  • Invalid0.0%0
  • No ROA8.3%1

Propagation

  • Globally propagated90% of full-feed peers or more91.7%11
  • Partially propagated40% to 90%8.3%1
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 2 prefixes

  • /324.3B × /6450.0%1
  • /4865.5k × /6450.0%1

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

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