General Info

ID

YAMAGATAU-V6

Description

Yamagata University

ASN

AS131159 Yamagata University

Country
Japan
Registry

jpnic

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Whois Details

inet6num:       2001:df0:25e::/48
netname:        YAMAGATAU-V6
descr:          Yamagata University
descr:          1-4-12, Kojirakawa-machi, Yamagata-shi, Yamagata 990-8560, Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        Authoritative information regarding assignments and
remarks:        allocations made from within this block can also be
remarks:        queried at whois.nic.ad.jp. To obtain an English
remarks:        output query whois -h whois.nic.ad.jp x.x.x.x/e
remarks:        ****************************************************
remarks:        For abuse/any contacts regarding this address range,
remarks:        please refer to the contacts listed on the inet6num
remarks:        object displayed down below, or look up JPNIC Whois.
remarks:        ****************************************************
status:         ASSIGNED PORTABLE
mnt-by:         MAINT-JPNIC
mnt-routes:     MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
last-modified:  2011-11-14T03:14:01Z
source:         APNIC

Details

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.