asn.dev

Address space

AS3456 TWC-3456-IT

IPv4 prefixes 7 142K addresses
IPv6 prefixes 18
Most common size /16 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 2
2
/19
/19: 1
1
/21
/21: 1
1
/23
/23: 1
1
/24
/24: 2
2

How this network carves its IPv4 space. 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

Prefix sizes

IPv6
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 6
6

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America25

Inventory

All prefixes

25 total