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ASN Lookup Tool
AS23881 UDOMAIN-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS23881
Organisation
UDomain Web Hosting Company Limited
Name
UDOMAIN-AS-AP
Total IPv4 Addresses
19,968
Total IPv4 Prefixes
78
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,468 out of 79,042
Registry
Apnic
Registered Country
HK flag HK
Registered Country Name
Hong Kong
Registered Date
Registration Last Change
2020-06-15
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS9304
HK flagHGC Global Communications Limited
AS4515
HK flagPCCW IMS Ltd (PCCW Business Internet Access)
AS6939
US flagHurricane Electric LLC
AS46844
US flagSharktech
Showing 5 of 16
IPv4 Active Prefixes

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

Prefix23.226.0.0/24
Range From23.226.0.0
Range To23.226.0.255
Prefix23.226.1.0/24
Range From23.226.1.0
Range To23.226.1.255
Prefix23.226.2.0/24
Range From23.226.2.0
Range To23.226.2.255
Prefix23.226.3.0/24
Range From23.226.3.0
Range To23.226.3.255
Prefix23.226.4.0/24
Range From23.226.4.0
Range To23.226.4.255
Showing 5 of 78
IPv6 Active Prefixes
Prefix2400:c300::/48
Range From2400:c300::
Range To2400:c300:0:ffff:ffff:ffff:ffff:ffff
Prefix2400:c300:1::/48
Range From2400:c300:1::
Range To2400:c300:1:ffff:ffff:ffff:ffff:ffff