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ASN Lookup Tool
AS17841 NCIA-AS-KR

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS17841
Organisation
NATIONAL INFORMATION RESOURCES SERVICE
Name
NCIA-AS-KR
Total IPv4 Addresses
195567
Total IPv4 Prefixes
978
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,175 out of 76,433
Registry
Apnic
Registered Country
KR flag KR
Registered Country Name
Korea (the Republic of)
Registered Date
NA
Registration Last Change
2021-09-13
Receiving From

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

ASN
Organisation
AS4766
KR flagKorea Telecom
AS9318
KR flagSK Broadband Co Ltd
Transit To

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

 

ASN
Organisation
AS9950
KR flagDACOM-PUBNETPLUS
AS23575
KR flagSK Broadband Co Ltd
AS45400
KR flagKorea Telecom
IPv4 Active Prefixes

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

Prefix27.101.10.0/24
Range From27.101.10.0
Range To27.101.10.255
Prefix27.101.11.0/24
Range From27.101.11.0
Range To27.101.11.255
Prefix27.101.12.0/24
Range From27.101.12.0
Range To27.101.12.255
Prefix27.101.13.0/24
Range From27.101.13.0
Range To27.101.13.255
Prefix27.101.14.0/24
Range From27.101.14.0
Range To27.101.14.255
Showing 5 of 978
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.