Home / Prefixes / 210.121.80.0/21

210.121.80.0/21 No ROA

Sejong Telecom · Updated 21.10.2026 17:49 UTC
Announced IPv4 AS45374 CCS KR South Korea

Network Information

Prefix
210.121.80.0/21
Network Description:
Sejong Telecom
Address range
210.121.80.0 – 210.121.87.255
Size
2,048 addresses
Origin AS
AS45374 CCS
AS path
AS208972AS6939AS4766AS9848AS45374AS45374AS45374AS45374
Paths seen
4
RPKI
No ROA
Location
KR South Korea
First seen
29.07.2021

RPKI ROAs

No ROA covers this prefix.
PrefixOrigin ASDescriptionLocationRPKI
210.121.0.0/17 AS9848 Sejong Telecom KR No ROA
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
61.96.64.0/20 AS45374 DREAMLINE CO. KR Namyangju No ROA
61.96.168.0/21 AS45374 DREAMLINE CO. KR Eumseong-gun No ROA
61.96.176.0/23 AS45374 DREAMLINE CO. KR No ROA
61.96.240.0/20 AS45374 DREAMLINE CO. KR No ROA
114.199.160.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR Jecheon-si No ROA
114.199.168.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR Jecheon-si No ROA
114.199.176.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR Suwon No ROA
114.199.184.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR Suwon No ROA
114.199.188.0/24 AS45374 KR Suwon No ROA
118.91.8.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR No ROA
118.91.16.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR No ROA
120.50.112.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR No ROA
120.50.120.0/21 AS45374 HYUNDAI COMMUNICATIONS NETWORK KR No ROA
210.120.113.0/24 AS45374 LG DACOM Corporation KR Anyang-si No ROA
210.120.121.0/24 AS45374 LG DACOM Corporation KR Anyang-si No ROA
210.120.122.0/24 AS45374 LG DACOM Corporation KR Anyang-si No ROA
210.121.0.0/21 AS45374 Sejong Telecom KR No ROA
210.121.8.0/21 AS45374 Sejong Telecom KR No ROA
210.121.16.0/21 AS45374 Sejong Telecom KR No ROA
210.121.72.0/21 AS45374 Sejong Telecom KR No ROA
210.121.88.0/21 AS45374 Sejong Telecom KR No ROA
210.121.96.0/21 AS45374 Sejong Telecom KR Jecheon No ROA
210.121.104.0/21 AS45374 Sejong Telecom KR Jecheon No ROA
210.121.106.0/24 AS45374 KR Jecheon No ROA
210.121.112.0/21 AS45374 Sejong Telecom KR Chungju-si No ROA
210.121.120.0/21 AS45374 Sejong Telecom KR Chungju-si No ROA
210.124.3.0/24 AS45374 LG DACOM Corporation KR No ROA
210.124.55.0/24 AS45374 LG DACOM Corporation KR Chungju-si No ROA
210.124.60.0/24 AS45374 LG DACOM Corporation KR Chungju-si No ROA
210.124.72.0/24 AS45374 LG DACOM Corporation KR No ROA
210.124.86.0/24 AS45374 LG DACOM Corporation KR No ROA
210.124.106.0/24 AS45374 LG DACOM Corporation KR No ROA
210.124.212.0/24 AS45374 LG DACOM Corporation KR Pyeongtaek-si No ROA
211.61.200.0/21 AS45374 DREAMLINE CO. KR No ROA
211.61.240.0/21 AS45374 DREAMLINE CO. KR No ROA
211.183.184.0/21 AS45374 DREAMLINE CO. KR No ROA
211.183.200.0/21 AS45374 DREAMLINE CO. KR No ROA
211.183.224.0/20 AS45374 DREAMLINE CO. KR No ROA
211.187.13.0/24 AS45374 KR No ROA
211.187.15.0/24 AS45374 KR No ROA

Origin AS

Details →
AS
AS45374
Name
CCS
Prefixes
41 IPv4 · 0 IPv6
Peers
3 (2 Upstreams)

Approximate location

GeoLite2

External links

RIPEstat bgp.tools Hurricane Electric IRR Explorer Looking Glass JSON API