asn.dev

Address space

AS4138 FN-205-4138

IPv4 prefixes 1 256 addresses
IPv6 prefixes 21
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/24
/24: 1
1

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
/33
/33: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 2
2
/44
/44: 2
2
/45
/45: 2
2
/46
/46: 2
2
/47
/47: 3
3
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America22

Inventory

All prefixes

22 total