All ASNs

Autonomous System details for AS9973

AS9973

BSITC • kisa.or.kr

AS9973 — BSITC

AS Name

BSITC-AS-KR-KR

Country

South Korea (KR)

Website

kisa.or.kr

Number of IPv4

7,680

Number of IPv6

ASN type

Business

Status

Allocated

Registry

APNIC

Allocated

April 14, 2000

Last updated

November 03, 2017

IP Ranges

11 IPv4 prefixes

Prefix	Company	Number of IPs
61.252.172.0/22	SEJONG NETWORKS	1,024
103.106.140.0/22	BSITC	1,024
202.124.254.0/24	BSITC PHILS., INC.	256
202.124.255.0/24	BSITC PHILS., INC.	256
203.227.88.0/22	SEJONG NETWORKS	1,024
203.231.136.0/22	SEJONG NETWORKS	1,024
203.235.22.0/23	SEJONG NETWORKS	512
203.235.128.0/22	SEJONG NETWORKS	1,024
203.236.176.0/22	SEJONG NETWORKS	1,024
203.238.106.0/24	SEJONG NETWORKS	256
203.238.107.0/24	SEJONG NETWORKS	256

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS9973

0 peers

AS9973 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS9973

1 upstreams

AS9848

AS9973 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS9973 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS9973

0 downstreams

AS9973 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.