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ASN Lookup Tool
AS18183 NCREE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS18183
Organisation
National Center for Research on Earthquake Engin..
Name
NCREE
Total IPv4 Addresses
5,632
Total IPv4 Prefixes
7
Total IPv6 Prefixes
11
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13,178 out of 77,682
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
Registration Last Change
2024-10-21
Receiving From

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

ASN
Organisation
AS7539
TW flagNational Center for High-performance Computing H..
AS9264
TW flagAcademia Sinica
AS9505
TW flagChunghwa Telecom Co., Ltd.
Transit To

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

 

ASN
Organisation
AS18426
TW flagNational Applied Research Laboratories 3F, No. 1..
IPv4 Active Prefixes

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

Prefix61.56.0.0/22
Range From61.56.0.0
Range To61.56.3.255
Prefix61.56.4.0/24
Range From61.56.4.0
Range To61.56.4.255
Prefix61.56.5.0/24
Range From61.56.5.0
Range To61.56.5.255
Prefix61.56.6.0/23
Range From61.56.6.0
Range To61.56.7.255
Prefix61.56.8.0/21
Range From61.56.8.0
Range To61.56.15.255
Showing 5 of 7
IPv6 Active Prefixes
Prefix2001:4500::/36
Range From2001:4500::
Range To2001:4500:fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4500:1000::/40
Range From2001:4500:1000::
Range To2001:4500:10ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4500:1100::/41
Range From2001:4500:1100::
Range To2001:4500:117f:ffff:ffff:ffff:ffff:ffff
Prefix2001:4500:1180::/41
Range From2001:4500:1180::
Range To2001:4500:11ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4500:1200::/39
Range From2001:4500:1200::
Range To2001:4500:13ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 11
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.