| 220.66.120.0/21 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.188.0/22 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.116.0/22 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.152.0/22 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.196.0/22 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.192.0/22 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.176.0/22 | AS9777KJU-NET-AS-KR-KR - Gyeongju University | No ROA | — | 5/31/2026 |
| 220.66.172.0/22 | AS9777KJU-NET-AS-KR-KR - Gyeongju University | No ROA | — | 5/31/2026 |
| 220.66.144.0/22 | AS10045TNUTNET-AS-KR - Hanbat National University | No ROA | — | 5/31/2026 |
| 220.66.236.0/22 | AS18034KANGNUNG-AS-KR-KR - Gangneung-Wonju National University | No ROA | — | 5/31/2026 |
| 220.66.204.0/22 | AS18343TAEGUTECH-AS-KR-KR - Daegu Technical College | No ROA | — | 5/31/2026 |
| 220.66.112.0/22 | AS23975YC-AS-KR-KR - Yonam Institute of Technology | No ROA | — | 5/31/2026 |
| 220.66.102.0/23 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.228.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.168.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.156.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.32.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.224.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.150.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.232.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.226.0/23 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.148.0/23 | AS10045TNUTNET-AS-KR - Hanbat National University | No ROA | — | 5/31/2026 |
| 220.66.58.0/23 | AS10071ANYANG-AS-KR - anyang University | No ROA | — | 5/31/2026 |
| 220.66.240.0/23 | AS18034KANGNUNG-AS-KR-KR - Gangneung-Wonju National University | No ROA | — | 5/31/2026 |
| 220.66.208.0/23 | AS18343TAEGUTECH-AS-KR-KR - Daegu Technical College | No ROA | — | 5/31/2026 |
| 220.66.202.0/23 | AS18343TAEGUTECH-AS-KR-KR - Daegu Technical College | No ROA | — | 5/31/2026 |
| 220.66.22.0/23 | AS38697MOK9882-AS-KR-KR - Hankyong National Univercity | No ROA | — | 5/31/2026 |
| 220.66.74.0/23 | AS55624DAELIM-AS-KR-KR - DAELIM | No ROA | — | 5/31/2026 |
| 220.66.95.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.96.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.80.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.91.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.100.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.92.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.9.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.10.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.94.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.93.0/24 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | — | 5/31/2026 |
| 220.66.41.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.40.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.250.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.249.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.248.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.247.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.246.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.245.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.244.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.242.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.234.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.231.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.230.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.4.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.5.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.84.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.85.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.86.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.223.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.222.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.212.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.211.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.6.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.39.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.38.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.200.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.42.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.12.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.187.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.184.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.183.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.17.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.18.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.43.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.139.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.140.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.141.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.142.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.170.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.27.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.26.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.25.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.167.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.164.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.158.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.159.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.161.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.160.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.162.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.163.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.44.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.46.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.47.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.50.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.51.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.52.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.53.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.54.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 5/31/2026 |
| 220.66.255.0/24 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 220.66.28.0/24 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 220.66.138.0/24 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 220.66.253.0/24 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 220.66.254.0/24 | AS9318SKB-AS-KR - SK Broadband Co Ltd | No ROA | — | 5/31/2026 |
| 220.66.243.0/24 | AS9708pknu-as-KR - Pukyong National University | No ROA | — | 5/31/2026 |
| 220.66.180.0/24 | AS9777KJU-NET-AS-KR-KR - Gyeongju University | No ROA | — | 5/31/2026 |
| 220.66.171.0/24 | AS9777KJU-NET-AS-KR-KR - Gyeongju University | No ROA | — | 5/31/2026 |
| 220.66.135.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.136.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.134.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.137.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.132.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.133.0/24 | AS9867JTC-AS-KR - VISION College of Jeonju | No ROA | — | 5/31/2026 |
| 220.66.143.0/24 | AS10045TNUTNET-AS-KR - Hanbat National University | No ROA | — | 5/31/2026 |
| 220.66.87.0/24 | AS10071ANYANG-AS-KR - anyang University | No ROA | — | 5/31/2026 |
| 220.66.60.0/24 | AS10071ANYANG-AS-KR - anyang University | No ROA | — | 5/31/2026 |
| 220.66.57.0/24 | AS10071ANYANG-AS-KR - anyang University | No ROA | — | 5/31/2026 |
| 220.66.29.0/24 | AS17868HYUPSUNG-NET-AS-KR-KR - Hyupsung University | No ROA | — | 5/31/2026 |
| 220.66.97.0/24 | AS18035HSU18035-AS-KR-KR - HANSEO UNIVERSITY | No ROA | — | 5/31/2026 |
| 220.66.15.0/24 | AS18035HSU18035-AS-KR-KR - HANSEO UNIVERSITY | No ROA | — | 5/31/2026 |
| 220.66.14.0/24 | AS18035HSU18035-AS-KR-KR - HANSEO UNIVERSITY | No ROA | — | 5/31/2026 |
| 220.66.99.0/24 | AS18035HSU18035-AS-KR-KR - HANSEO UNIVERSITY | No ROA | — | 5/31/2026 |
| 220.66.98.0/24 | AS18035HSU18035-AS-KR-KR - HANSEO UNIVERSITY | No ROA | — | 5/31/2026 |
| 220.66.182.0/24 | AS18315SORABOLNET-AS-KR-KR - Sorabol College | No ROA | — | 5/31/2026 |
| 220.66.181.0/24 | AS18315SORABOLNET-AS-KR-KR - Sorabol College | No ROA | — | 5/31/2026 |
| 220.66.166.0/24 | AS18325KORCHRISTUNIV160-AS-KR-KR - Korea Christian University | No ROA | — | 5/31/2026 |
| 220.66.210.0/24 | AS18343TAEGUTECH-AS-KR-KR - Daegu Technical College | No ROA | — | 5/31/2026 |
| 220.66.201.0/24 | AS18343TAEGUTECH-AS-KR-KR - Daegu Technical College | No ROA | — | 5/31/2026 |
| 220.66.67.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.70.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.69.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.68.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.66.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.65.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.64.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.63.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.62.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.61.0/24 | AS23561YONGINUNIVERSITY-AS-KR-KR - Yongin University | No ROA | — | 5/31/2026 |
| 220.66.111.0/24 | AS23975YC-AS-KR-KR - Yonam Institute of Technology | No ROA | — | 5/31/2026 |
| 220.66.21.0/24 | AS23975YC-AS-KR-KR - Yonam Institute of Technology | No ROA | — | 5/31/2026 |
| 220.66.19.0/24 | AS23975YC-AS-KR-KR - Yonam Institute of Technology | No ROA | — | 5/31/2026 |
| 220.66.20.0/24 | AS23975YC-AS-KR-KR - Yonam Institute of Technology | No ROA | — | 5/31/2026 |
| 220.66.90.0/24 | AS45397KFPP-AS-KR-KR - KOREA ADVANCING SCHOOLS FOUNDATION | No ROA | — | 5/31/2026 |
| 220.66.76.0/24 | AS55624DAELIM-AS-KR-KR - DAELIM | No ROA | — | 5/31/2026 |
| 220.66.73.0/24 | AS55624DAELIM-AS-KR-KR - DAELIM | No ROA | — | 5/31/2026 |
| 220.66.0.0/24 | AS131822KNUT-AS-KR-KR - Korea National University of Transportation | No ROA | — | 5/31/2026 |
| 220.66.3.0/24 | AS131822KNUT-AS-KR-KR - Korea National University of Transportation | No ROA | — | 5/31/2026 |
| 220.66.2.0/24 | AS131822KNUT-AS-KR-KR - Korea National University of Transportation | No ROA | — | 5/31/2026 |
| 220.66.1.0/24 | AS131822KNUT-AS-KR-KR - Korea National University of Transportation | No ROA | — | 5/31/2026 |
| 220.66.109.0/24 | AS152198GWACKR-AS-KR-KR - Gangwon State University | No ROA | — | 5/31/2026 |