ASN Lookup Tool
AS2603 NORDUnet

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

ASN Details

ASN
AS2603
Organisation
NORDUnet
AS Name
NORDUNET
IPv4 Addresses Announced
9,681
IPv4 Prefixes Announced
78
IPv6 Prefixes Announced
13
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#9,674 out of 75,576
Registry
Ripe
Registered Country
DK flag DK
Registration Date
2002-05-07
Registration Change
2021-10-19

Receiving From

ASN
Organisation
ASN
Organisation
HK flag The Hong Kong Internet Exchange Limited
ASN
Organisation
US flag Sprint
ASN
Organisation
DE flag Vodafone GmbH
ASN
Organisation
US flag NTT America, Inc.
ASN
Organisation
ZZ flag SURF B.V.
ASN
Organisation
BR flag CLARO S.A.
ASN
Organisation
CA flag TELUS Communications Inc.
ASN
Organisation
US flag SoftLayer Technologies Inc.
ASN
Organisation
ZZ flag Liberty Global B.V.
ASN
Organisation
JP flag Internet Initiative Japan Inc.
Showing 10 of 81 Results View More >

Transit To

ASN
Organisation
ASN
Organisation
WORLD flag Private Use AS
ASN
Organisation
CN flag No.31,Jin-rong Street Beijing 100032
ASN
Organisation
US flag Amazon.com, Inc.
ASN
Organisation
US flag Cogent Communications
ASN
Organisation
US flag Apple Inc.
ASN
Organisation
KR flag SK Broadband Co Ltd
ASN
Organisation
US flag Windstream Communications LLC
ASN
Organisation
US flag Charter Communications
ASN
Organisation
DE flag Vodafone GmbH
ASN
Organisation
FR flag Free SAS
Showing 10 of 501 Results View More >

Active Prefixes IPv4

Showing 10 of 78 Results View More >