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ASN Lookup Tool
AS3662 HARNET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3662
Organisation
Joint Universities Computer Centre Limited
Name
HARNET
Total IPv4 Addresses
1,680
Total IPv4 Prefixes
10
Total IPv6 Prefixes
67
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#26,096 out of 78,225
Registry
Apnic
Registered Country
HK flag HK
Registered Country Name
Hong Kong
Registered Date
Registration Last Change
2021-07-09
Receiving From

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

ASN
Organisation
AS17824
HK flagPacific One Net Ltd
AS137207
HK flagJoint Universities Computer Centre Limited
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
AS36236
US flagNetActuate, Inc
Showing 5 of 14
Transit To

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

 

ASN
Organisation
AS4528
HK flagThe University of Hong Kong
AS4616
HK flagThe Hong Kong Polytechnic University
AS3363
HK flagHong Kong University of Science and Technology
AS4605
HK flagHong Kong Baptist University
AS3661
HK flagThe Chinese University of Hong Kong
Showing 5 of 10
IPv4 Active Prefixes

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

Prefix175.159.254.0/24
Range From175.159.254.0
Range To175.159.254.255
Prefix192.245.196.0/24
Range From192.245.196.0
Range To192.245.196.255
Prefix202.40.218.0/24
Range From202.40.218.0
Range To202.40.218.255
Prefix202.40.221.0/24
Range From202.40.221.0
Range To202.40.221.255
Prefix203.188.112.16/28
Range From203.188.112.16
Range To203.188.112.31
Showing 5 of 10
IPv6 Active Prefixes
Prefix2001:ce0::/48
Range From2001:ce0::
Range To2001:ce0:0:ffff:ffff:ffff:ffff:ffff
Prefix2001:ce0:1::/64
Range From2001:ce0:1::
Range To2001:ce0:1:0:ffff:ffff:ffff:ffff
Prefix2001:ce0:1:1::/64
Range From2001:ce0:1:1::
Range To2001:ce0:1:1:ffff:ffff:ffff:ffff
Prefix2001:ce0:1:2::/64
Range From2001:ce0:1:2::
Range To2001:ce0:1:2:ffff:ffff:ffff:ffff
Prefix2001:ce0:1:3::/64
Range From2001:ce0:1:3::
Range To2001:ce0:1:3:ffff:ffff:ffff:ffff
Showing 5 of 67
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.