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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
10
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13,308 out of 79,045
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.
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
Prefix2001:4500:1100::/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
Prefix2001:4500:1400::/38
Range From2001:4500:1400::
Range To2001:4500:17ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 10