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ASN Lookup Tool
AS55439 ISC-PEK2

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS55439
Organisation
Internet Systems Consortium
Name
ISC-PEK2
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#74,486 out of 77,438
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2020-07-29
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS24151
CN flagChina Internet Network Infomation Center 4 South..
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix203.119.85.0/24
Range From203.119.85.0
Range To203.119.85.255
IPv6 Active Prefixes
Prefix2001:dd8:5::/48
Range From2001:dd8:5::
Range To2001:dd8:5:ffff:ffff:ffff:ffff:ffff
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.