| 121.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 121.254.128.0/17 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.128.0/17 | WHOIS (APNIC) | LG DACOM KIDC | KR |
| 121.254.128.0/17 | APNIC assigned | — | KR |
| 121.254.206.0/23 | BGP route | AS57976 Blizzard Entertainment, Inc | — |
| 121.254.137.0/24 | BGP route | AS57976 Blizzard Entertainment, Inc | — |
| 121.254.187.0/24 | BGP route | AS131829 SBI SAVINGS BANK | — |
| 121.254.218.0/24 | BGP route | AS57976 Blizzard Entertainment, Inc | — |
| 121.254.219.0/24 | BGP route | AS45974 NHNCLOUD | — |
| 121.254.245.0/24 | BGP route | AS45989 KL-Net Corp. | — |
| 121.254.129.87/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.129.105/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.129.112/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.129.121/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.143.0/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.145.233/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.147.44/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.147.253/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.17/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.23/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.169/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.188/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.194/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.202/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.217/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.228/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.233/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.236/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.237/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.241/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.242/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.248/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.152.250/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.154.120/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.154.121/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.156.167/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.156.168/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.159.49/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.134/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.139/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.146/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.192/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.194/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.162.253/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.165.3/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.165.110/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.165.242/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.165.254/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.168.0/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.168.1/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.168.162/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.168.163/32 | BGP route | AS3786 LG DACOM Corporation | — |
| 121.254.168.170/32 | BGP route | AS3786 LG DACOM Corporation | — |