asn.dev

Address space

AS131584 TAIFO-AS-TW Taiwan Intelligent Fiber Optic Network Co.,Ltd.

IPv4 prefixes 20 40.96K addresses
IPv6 prefixes 31
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/18
/18: 1
1
/19
/19: 1
1
/21
/21: 4
4
/22
/22: 5
5
/23
/23: 3
3
/24
/24: 6
6

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
/35
/35: 2
2
/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: 2
2
/47
/47: 2
2
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
TWTaiwan, Province of China51

Inventory

All prefixes

51 total