ASN Lookup Tool
AS2603 NORDUNET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2603
Organisation
NORDUnet
Name
NORDUNET
Total IPv4 Addresses
9,980
Total IPv4 Prefixes
27
Total IPv6 Prefixes
13
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,549 out of 79,002
Registry
Ripe
Registered Country
DK flag DK
Registered Country Name
Denmark
Registered Date
2002-05-07
Registration Last Change
2025-08-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
NL flagSURF B.V.
US flagNTT America, Inc.
BR flagCLARO S.A.
CA flagTELUS Communications Inc.
JP flagInternet Initiative Japan Inc.
Showing 5 of 80
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
WORLD flagPrivate Use AS
US flagAmazon.com, Inc.
CN flagNo.31,Jin-rong Street Beijing 100032
Showing 5 of 572
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Showing 5 of 27