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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
3,531,612
Total IPv4 Prefixes
487
Total IPv6 Prefixes
102
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#138 out of 79,165
Registry
Ripe
Registered Country
CH flagCH
Registered Country Name
Switzerland
Registered Date
2002-09-19
Registration Last Change
2025-10-02
Receiving From
ASN
Organisation
AS328206
ZA flagJohannesburg Area Wireless User Group (JAWUG)
AS201054
PL flagStowarzyszenie e-Poludnie
AS17676
JP flagSoftBank Mobile Corp. Tokyo Port City Takeshiba ..
AS3320
DE flagDeutsche Telekom AG
AS3356
US flagLevel 3 Parent, LLC
Showing 5 of 118
Transit To
ASN
Organisation
AS16509
US flagAmazon.com, Inc.
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS7018
US flagAT&T Enterprises, LLC
AS8075
US flagMicrosoft Corporation
AS4837
CN flagCHINA UNICOM China169 Backbone
Showing 5 of 1743
IPv4 Active Prefixes
PrefixRange FromRange To
45.157.49.0/2445.157.49.045.157.49.255
45.157.50.0/2445.157.50.045.157.50.255
45.157.51.0/2445.157.51.045.157.51.255
46.14.0.0/1746.14.0.046.14.127.255
46.14.128.0/1746.14.128.046.14.255.255
Showing 5 of 487
IPv6 Active Prefixes
PrefixRange FromRange To
2001:678:e0::/482001:678:e0::2001:678:e0:ffff:ffff:ffff:ffff:ffff
2001:678:d98::/482001:678:d98::2001:678:d98:ffff:ffff:ffff:ffff:ffff
2001:678:d9c::/482001:678:d9c::2001:678:d9c:ffff:ffff:ffff:ffff:ffff
2001:67c:420::/482001:67c:420::2001:67c:420:ffff:ffff:ffff:ffff:ffff
2001:67c:4f0::/482001:67c:4f0::2001:67c:4f0:ffff:ffff:ffff:ffff:ffff
Showing 5 of 102