IP range details
131.142.0.0/16
CFA-NET
Summary
AS Number
AS1742
Country
United States
Name
CFA-NET
Description
Smithsonian Astrophysical Observatory
IP Addresses
65536
Parent Prefix
RIR
ARIN
Allocation Status
Allocated
Allocation Date
21st November 1988
Announcing ASNs
Announced PrefixDescriptionCountry
AS1742Harvard UniversityUnited States
What are IP address ranges?
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.
asn

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ZHUOCHENG NETWORK TECHNOLOGY CO.,LIMITED

RM.517, NEW CITY CENTRE, 2LEI YUE MUN ROAD, KWUN TONG, HONG KONG