asn.dev

Address space

AS3303 SWISSCOM Swisscom Switzerland Ltd

Residential ARIN

IPv4 prefixes 411 3.49M addresses
IPv6 prefixes 105
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/13
/13: 2
2
/14
/14: 3
3
/15
/15: 1
1
/16
/16: 8
8
/17
/17: 8
8
/18
/18: 14
14
/19
/19: 21
21
/20
/20: 31
31
/21
/21: 32
32
/22
/22: 66
66
/23
/23: 83
83
/24
/24: 142
142

A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

IPv6 prefix sizes

All IPv6
/28
/28: 1
1
/29
/29: 2
2
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 7
7
/33
/33: 2
2
/34
/34: 3
3
/35
/35: 3
3
/36
/36: 4
4
/37
/37: 2
2
/38
/38: 5
5
/39
/39: 3
3
/40
/40: 3
3
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 2
2
/44
/44: 5
5
/45
/45: 11
11
/46
/46: 12
12
/47
/47: 10
10
/48
/48: 26
26

Geography

Where the space lands

CountryNamePrefixes
CHSwitzerland516