123.240.128.0/21

AS131596 TBC

123.240.128.0/21 - TBCOM-NET

ID

TBCOM-NET

Description

TBC

ASN

AS131596 TBC

Country

Taiwan

Registry

apnic

Whois Details

inetnum:        123.240.0.0 - 123.241.255.255
netname:        TBCOM-NET
descr:          TBC
descr:          3F,NO.10 Ta-Yieh Road, Pei-Tou District.
descr:          Taipei Taiwan 112
country:        TW
admin-c:        HN8-AP
tech-c:         HN8-AP
status:         ALLOCATED PORTABLE
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
mnt-lower:      MAINT-TW-TWNIC
last-modified:  2015-12-01T22:23:51Z
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.

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