All ASNs

Autonomous System details for AS9978

AS9978
The University of Seoul • uos.ac.kr

AS9978 — The University of Seoul

AS Name
UOS-AS-KR
Country
South Korea (KR)
Website
Number of IPv4
6,784
Number of IPv6
0
ASN type
Education
Status
Allocated
Registry
APNIC
Allocated
April 14, 2000
Last updated
November 29, 2018

IP Ranges

5 IPv4 prefixes
Prefix Company Number of IPs
1.229.202.0/24 SK Broadband Co Ltd 256
203.249.96.0/20 Korean Education Network 4,096
210.125.176.0/21 Korean Education Network 2,048
210.125.183.128/25 Korean Education Network 128
222.109.143.0/24 Korea Telecom 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 AS9978

0 peers

AS9978 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 AS9978

3 upstreams

AS9978 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS9978 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS9978

0 downstreams

AS9978 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.

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.