ASN database

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IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

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Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

GeoIP location

103.219.32.0

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Result

103.219.32.0/21

Prefix:

103.219.32.0/21 (2.048 IP's - view in CIDR to IP tool)

Description:

Asia Pacific Network Information Centre

Country:

China

Announced by:

CHINA UNICOM China169 Backbone
https://www.chinaunicom.cn/

AS4837, 136 peers, 1.270 announced prefixes

See all details on AS4837 - CHINA UNICOM China169 Backbone »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

China

AS4837

103.219.32.0/21

Asia Pacific Network Information Centre

2.048

China

AS56041

103.219.32.0/22

Hangzhou Sulian Information Technology Co.,ltd

1.024

China

AS58461

103.219.32.0/22

Hangzhou Sulian Information Technology Co.,ltd

1.024

China

AS56041

103.219.36.0/22

Hangzhou Sulian Information Technology Co.,ltd

1.024

China

AS58461

103.219.36.0/22

Hangzhou Sulian Information Technology Co.,ltd

1.024

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '103.219.32.0/21'
082	+082	5 prefixes found
083	+001	Done

ASN database

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Result

103.219.32.0/21

Matching prefixes

Log

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