asn.dev

Address space

AS38639 HANABI NTT DOCOMO BUSINESS, Inc.

IPv4 prefixes 7 13.31K addresses
IPv6 prefixes 30
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 1
1
/21
/21: 1
1
/22
/22: 2
2
/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
/33
/33: 1
1
/34
/34: 1
1
/36
/36: 2
2
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 2
2
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 2
2
/44
/44: 2
2
/45
/45: 2
2
/46
/46: 1
1
/47
/47: 2
2
/48
/48: 5
5

Geography

Where the space lands

CountryNamePrefixes
JPJapan37

Inventory

All prefixes

37 total