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ASN Lookup Tool
AS2047 ASN-ROCHE-BASLE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS2047
Organisation
Hoffmann - La Roche Ltd.
Name
ASN-ROCHE-BASLE
Total IPv4 Addresses
202,702
Total IPv4 Prefixes
27
Total IPv6 Prefixes
17
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,076 out of 77,684
Registry
Ripe
Registered Country
CH flag CH
Registered Country Name
Switzerland
Registered Date
1970-01-01
Registration Last Change
2019-12-04
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS13335
US flagCloudflare, Inc.
AS8220
GB flagCOLT Technology Services Group Limited
AS15830
NL flagEquinix (EMEA) Acquisition Enterprises B.V.
IPv4 Active Prefixes

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

Prefix128.137.134.0/24
Range From128.137.134.0
Range To128.137.134.255
Prefix141.167.0.0/16
Range From141.167.0.0
Range To141.167.255.255
Prefix145.245.0.0/16
Range From145.245.0.0
Range To145.245.255.255
Prefix162.132.0.0/16
Range From162.132.0.0
Range To162.132.255.255
Prefix193.58.155.0/24
Range From193.58.155.0
Range To193.58.155.255
Showing 5 of 27
IPv6 Active Prefixes
Prefix2a04:c440::/35
Range From2a04:c440::
Range To2a04:c440:1fff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:c440:2000::/37
Range From2a04:c440:2000::
Range To2a04:c440:27ff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:c440:2800::/39
Range From2a04:c440:2800::
Range To2a04:c440:29ff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:c440:2b00::/40
Range From2a04:c440:2b00::
Range To2a04:c440:2bff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:c440:2c00::/38
Range From2a04:c440:2c00::
Range To2a04:c440:2fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 17
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.