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ASN Lookup Tool
AS4837 CHINA169-Backbone

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4837
Organisation
CHINA UNICOM China169 Backbone
Name
CHINA169-Backbone
Total IPv4 Addresses
57170015
Total IPv4 Prefixes
1644
Total IPv6 Prefixes
788
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4 out of 77,249
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2024-02-06
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
AS7018
US flagAT&T Services, Inc.
AS4766
KR flagKorea Telecom
AS17676
JP flagSoftBank Corp.
AS701
US flagVerizon Business
Showing 5 of 46
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS24359
CN flagCERNET2 IX at Central South University CERNET Ce..
AS24360
CN flagCERNET2 IX at Zhengzhou University CERNET Center..
AS146745
WORLD flagPrivate Use AS
AS146744
WORLD flagPrivate Use AS
AS146743
WORLD flagPrivate Use AS
Showing 5 of 4299
IPv4 Active Prefixes

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

Prefix1.24.0.0/19
Range From1.24.0.0
Range To1.24.31.255
Prefix1.24.40.0/21
Range From1.24.40.0
Range To1.24.47.255
Prefix1.24.48.0/20
Range From1.24.48.0
Range To1.24.63.255
Prefix1.24.64.0/20
Range From1.24.64.0
Range To1.24.79.255
Prefix1.24.95.0/24
Range From1.24.95.0
Range To1.24.95.255
Showing 5 of 1644
IPv6 Active Prefixes
Prefix2400:73e0:201::/48
Range From2400:73e0:201::
Range To2400:73e0:201:ffff:ffff:ffff:ffff:ffff
Prefix2404:6500:dcb3::/48
Range From2404:6500:dcb3::
Range To2404:6500:dcb3:ffff:ffff:ffff:ffff:ffff
Prefix2405:1480:3001::/48
Range From2405:1480:3001::
Range To2405:1480:3001:ffff:ffff:ffff:ffff:ffff
Prefix2406:1e40:f012::/47
Range From2406:1e40:f012::
Range To2406:1e40:f013:ffff:ffff:ffff:ffff:ffff
Prefix2407:37c0:ffff::/48
Range From2407:37c0:ffff::
Range To2407:37c0:ffff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 788
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.