asn.dev

Address space

AS63770 ICSCOE-AS Industrial Cyber Security Center of Excellence

IPv4 prefixes 6 8.19K addresses
IPv6 prefixes 22
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/21
/21: 2
2
/22
/22: 4
4

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
/34
/34: 2
2
/35
/35: 2
2
/36
/36: 2
2
/37
/37: 2
2
/38
/38: 1
1
/39
/39: 2
2
/40
/40: 4
4
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
JPJapan28

Inventory

All prefixes

28 total