SUBNET.IM

AS21326AT&T Global Network Services Nederland B.V.

NetherlandsRegistryRIPE NCC

At a glance

IPv4 prefixes

7

IPv6 prefixes

1

IPv4 addresses

19.5k

IPv6 /64s

16.8M

Upstream graph

The networks AS21326 is seen behind, one and two hops out, drawn from real AS paths.

AS21326Toward the internet core
Upstream graph for AS21326: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21326AT&T Global Netwo…This networkAS306United States Dep…AS25888HP Inc.AS367United States Dep…AS1540Headquarters, USA…AS2687AT&T Enterprises,…

Networks observed one and two hops upstream of AS21326 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS21326
NetworkCountryRelationshipPathsVantage pts
AS25888HP Inc.USPeer55980
AS306United States Department of Defense (DoD)USPeer6262

Prefixes

The largest blocks AS21326 originates, widest first.

Largest prefixes originated by AS21326
PrefixAddressesVisibility
15.32.64.0/1816.4k80/80
15.36.120.0/221k80/80
15.32.76.0/2351279/80
15.36.70.0/2351280/80
15.36.124.0/2351280/80
15.36.69.0/2425680/80
15.40.75.0/2425680/80
2608:c16b:2000::/4016.8M × /6462/62

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