SUBNET.IM

AS21320GEANT Vereniging

NetherlandsRegistryRIPE NCCTypeCarrier

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

2k

IPv6 /64s

0

Upstream graph

The networks AS21320 is seen behind, one and two hops out, drawn from real AS paths.

AS21320Toward the internet core
Upstream graph for AS21320: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21320GEANT VerenigingThis networkAS174Cogent Communicat…AS2603NORDUnetAS3356Lumen (Level 3)AS18106Viewqwest Pte LtdAS32590Valve CorporationAS151326DCConnect Communi…AS3491PCCW Global (HK) …AS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS215859Hetzner Cloud - S…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS21320 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

212

adjacent networks

Upstreams
178%
Peers
15774%
Downstreams
3818%

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

Upstreams of AS21320
NetworkCountryRelationshipPathsVantage pts
AS2603NORDUnetDKPeer23,41997
AS3356Lumen (Level 3)USPeer5,90767
AS174Cogent Communications, LLCUSPeer5,00159
AS32590Valve CorporationUSPeer3,8514
AS18106Viewqwest Pte LtdSGPeer3,2764
AS9002RETN LimitedGBPeer2,52713
AS13030Init7 (Switzerland) Ltd.CHPeer2,1644
AS8455atom86 BVNLPeer1,5512
AS6424EDGOO NETWORKSPTPeer1,3392
AS6939Hurricane Electric LLCUSPeer1,14421

Prefixes

The largest blocks AS21320 originates, widest first.

Largest prefixes originated by AS21320
PrefixAddressesVisibility
83.97.88.0/212k79/80

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