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ASN Lookup Tool
AS58777 CT2

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS58777
Organisation
ChinaTelecom Cybersecurity Tech 100010
Name
CT2
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
54
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#74,527 out of 77,279
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2023-02-03
Receiving From

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

ASN
Organisation
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS4847
CN flagChina Networks Inter-Exchange Using Internationa..
IPv4 Active Prefixes

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

Prefix203.33.67.0/24
Range From203.33.67.0
Range To203.33.67.255
IPv6 Active Prefixes
Prefix240e:108:4000::/48
Range From240e:108:4000::
Range To240e:108:4000:ffff:ffff:ffff:ffff:ffff
Prefix240e:108:4001::/48
Range From240e:108:4001::
Range To240e:108:4001:ffff:ffff:ffff:ffff:ffff
Prefix240e:108:4020::/48
Range From240e:108:4020::
Range To240e:108:4020:ffff:ffff:ffff:ffff:ffff
Prefix240e:108:4040::/48
Range From240e:108:4040::
Range To240e:108:4040:ffff:ffff:ffff:ffff:ffff
Prefix240e:108:4047::/48
Range From240e:108:4047::
Range To240e:108:4047:ffff:ffff:ffff:ffff:ffff
Showing 5 of 54
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.