asn.dev

Address space

AS7257 GPC

IPv4 prefixes 2 512 addresses
IPv6 prefixes 38
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/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
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1
/35
/35: 3
3
/36
/36: 5
5
/37
/37: 5
5
/38
/38: 5
5
/39
/39: 5
5
/40
/40: 5
5
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 2
2
/44
/44: 3
3

Geography

Where the space lands

CountryNamePrefixes
JPJapan40

Inventory

All prefixes

40 total