Bluewin
Switzerland
CH
400
announced
3,497,472
0 IPv6
ARIN
regional registry
Prefix size breakdown
Distribution of the 400 BGP prefixes announced by AS3303 grouped by CIDR length.
/13
2
/14
3
/15
1
/16
9
/17
7
/18
14
/19
19
/20
29
/21
31
/22
67
/23
80
/24
138
First: 45.157.49.0/24 · Last: 217.193.224.0/19
Top cities by IPv4 footprint
Cities where AS3303's prefixes resolve, weighted by address count.
Zurich
Zurich, CH
33.1%
Lausanne
Vaud, CH
28.5%
Hurden
Schwyz, CH
8.9%
Bern
Bern, CH
2.7%
Ins
Bern, CH
2.2%
Announced prefixes
400 prefixes
Other ASNs in Switzerland
Verify on third-party BGP tools
Cross-check AS3303 on public looking-glass and BGP-data sites.
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