IP Lens
Tags Docs

Tools

Bot IP rangesProvider IP rangesASN lookupCIDR lookupIP subnet calculatorReverse DNS lookupBrowser Info
Theme System Light Dark
Autonomous system

AS37917

Autonomous System
Autonomous System Number (ASN)
AS37917
Country
Japan (JP)
Organization
University of Tsukuba
Handle
UTINS
Category
education_research
Network Role
stub
Number of IPv4
132,096
Number of IPv6
0
IPv4 Prefixes

Showing up to 100 prefixes per page.

Prefix Address Count First Address Last Address
130.158.0.0/16 65,536 130.158.0.0 130.158.255.255
133.51.0.0/16 65,536 133.51.0.0 133.51.255.255
163.220.252.0/22 1,024 163.220.252.0 163.220.255.255