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ASN Lookup Tool
AS3303 SWISSCOM

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3303
Organisation
Swisscom (Schweiz) AG
Name
SWISSCOM
Total IPv4 Addresses
3,543,528
Total IPv4 Prefixes
492
Total IPv6 Prefixes
133
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#136 out of 78,028
Registry
Ripe
Registered Country
CH flag CH
Registered Country Name
Switzerland
Registered Date
2002-09-19
Registration Last Change
2025-01-10
Receiving From

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

ASN
Organisation
AS328206
ZA flagJohannesburg Area Wireless User Group (JAWUG)
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS2516
JP flagKDDI CORPORATION
Showing 5 of 127
Transit To

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

 

ASN
Organisation
AS4250543001
WORLD flagPrivate Use AS
AS43426
GI flagNetassist Limited
AS16509
US flagAmazon.com, Inc.
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS7018
US flagAT&T Services, Inc.
Showing 5 of 1586
IPv4 Active Prefixes

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

Prefix46.14.0.0/17
Range From46.14.0.0
Range To46.14.127.255
Prefix46.14.128.0/17
Range From46.14.128.0
Range To46.14.255.255
Prefix46.245.144.0/21
Range From46.245.144.0
Range To46.245.151.255
Prefix62.202.0.0/17
Range From62.202.0.0
Range To62.202.127.255
Prefix62.202.128.0/20
Range From62.202.128.0
Range To62.202.143.255
Showing 5 of 492
IPv6 Active Prefixes
Prefix2001:678:e0::/48
Range From2001:678:e0::
Range To2001:678:e0:ffff:ffff:ffff:ffff:ffff
Prefix2001:678:d98::/48
Range From2001:678:d98::
Range To2001:678:d98:ffff:ffff:ffff:ffff:ffff
Prefix2001:678:d9c::/48
Range From2001:678:d9c::
Range To2001:678:d9c:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:420::/48
Range From2001:67c:420::
Range To2001:67c:420:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:4f0::/48
Range From2001:67c:4f0::
Range To2001:67c:4f0:ffff:ffff:ffff:ffff:ffff
Showing 5 of 133
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.