Subnet details 123.172.0.0/21

Network address 123.172.0.0

Prefix length 21 (255.255.248.0)

Range 123.172.0.0 - 123.172.7.255

Hexadecimal 7bac0000

Binary 01111011 10101100 00000000 00000000

Binary subnet mask 11111111 11111111 11111000 00000000

Number of hosts 2,048

Parent subnet 123.172.0.0/20🔍

Previous subnet 123.171.248.0/21🔍

Next subnet 123.172.8.0/21🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)

Route 123.160.0.0/12🔍 AS4134 CHINANET-BACKBONE No 31 Jin-rong Street (CN)🔍

Netblock 123.172.0.0/15🔍 CHINANET-JL (CN)

Route 123.172.0.0/19🔍 AS4809 CHINATELECOM-CORE-WAN-CN2 China Telecom Next Generation Carrier Network (CN)🔍

Route 123.172.0.0/20🔍 AS17896 CHINATELECOM-JL-AS-AP asn for Jilin Provincial Net of CT (CN)🔍