| 223.0.0.0/8 | WHOIS (ARIN) | Asia Pacific Network Information Centre | AU |
| 223.197.0.0/16 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.0.0/16 | WHOIS (APNIC) | PCCW IMS Ltd (PCCW Business Internet Access) | HK |
| 223.197.0.0/16 | APNIC assigned | — | HK |
| 223.197.0.0/17 | WHOIS (APNIC) | Hong Kong Telecommunications (HKT) Limited Business Internet | HK |
| 223.197.0.0/18 | WHOIS (APNIC) | PCCW Limited | HK |
| 223.197.64.0/18 | WHOIS (APNIC) | HKT Limited | HK |
| 223.197.0.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.32.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.64.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.96.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.104.0/23 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.7.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.11.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.23.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.25.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.25.0/24 | WHOIS (APNIC) | THE HONG KONG JOCKEY CLUB | HK |
| 223.197.34.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.42.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.43.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.53.0/24 | BGP route | AS4655 Sing Tao Electronic Daily | — |
| 223.197.53.0/24 | WHOIS (APNIC) | SingTao Limited | HK |
| 223.197.63.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.75.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.77.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.79.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.80.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.82.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.88.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.89.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.90.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.92.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.94.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.95.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.96.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.103.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.106.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.107.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.108.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.109.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.110.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.112.0/24 | BGP route | AS132585 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.113.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.114.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 223.197.115.0/24 | BGP route | AS135621 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.116.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.117.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.124.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.125.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.126.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 223.197.17.0/25 | WHOIS (APNIC) | HXPM HOLDINGS LIMITED | HK |
| 223.197.58.0/25 | WHOIS (APNIC) | THE BANK OF EAST ASIA LIMITED | HK |
| 223.197.16.64/26 | WHOIS (APNIC) | M-FINANCE LTD | HK |
| 223.197.19.64/26 | WHOIS (APNIC) | SOURCE AND SOLUTION GROUP LIMITED | HK |
| 223.197.29.64/26 | WHOIS (APNIC) | KVB KUNLUN INTERNATIONAL (HK) LIMITED | HK |
| 223.197.58.192/26 | WHOIS (APNIC) | THE BANK OF EAST ASIA LIMITED | HK |
| 223.197.2.0/27 | WHOIS (APNIC) | NLSI PEACE EVANGELICAL SECONDARY SCHOOL | HK |
| 223.197.2.64/27 | WHOIS (APNIC) | TWGHS CHEN ZAO MEN COLLEGE | HK |
| 223.197.3.64/27 | WHOIS (APNIC) | TUNG WAH GROUP OF HOSPITALS MR & MRS KWO | HK |
| 223.197.3.160/27 | WHOIS (APNIC) | CHINA HOLINESS CHURCH LIVING SPIRIT COLL | HK |
| 223.197.10.0/27 | WHOIS (APNIC) | HONG KONG PRODUCTIVITY COUNCIL | HK |
| 223.197.10.32/27 | WHOIS (APNIC) | DIOCESAN GIRL'S SCHOOL | HK |
| 223.197.10.96/27 | WHOIS (APNIC) | HO HI MONG INVESTMENT COMPANY LIMITED | HK |
| 223.197.12.160/27 | WHOIS (APNIC) | DARLINGTON INDUSTRIAL LIMITED | HK |
| 223.197.14.64/27 | WHOIS (APNIC) | OZO WESLEY | HK |
| 223.197.17.224/27 | WHOIS (APNIC) | MERIT ACT LIMITED | HK |
| 223.197.20.0/27 | WHOIS (APNIC) | PATHLAB MEDICAL LABORATORY LTD | HK |
| 223.197.27.128/27 | WHOIS (APNIC) | GLOBAL TECHNOLOGY INTEGRATOR LIMITED | HK |
| 223.197.27.160/27 | WHOIS (APNIC) | FIDESSA LIMITED | HK |
| 223.197.32.64/27 | WHOIS (APNIC) | HONG KONG COLLEGE OF TECHNOLOGY | HK |
| 223.197.32.224/27 | WHOIS (APNIC) | FUBON LIFE INSURANCE (HONG KONG) LIMITED | HK |
| 223.197.36.160/27 | WHOIS (APNIC) | MY JEWELRY MANAGEMENT LIMITED | HK |
| 223.197.37.0/27 | WHOIS (APNIC) | AGEAS INSURANCE COMPANY (ASIA) LIMITED | HK |
| 223.197.40.192/27 | WHOIS (APNIC) | IKEA | HK |
| 223.197.47.160/27 | WHOIS (APNIC) | ONEASIA NETWORK LIMITED | HK |
| 223.197.51.0/27 | WHOIS (APNIC) | VOCATIONAL TRAINING COUNCIL (HITDC & CCT | HK |
| 223.197.52.96/27 | WHOIS (APNIC) | ST. JAMES' SETTLEMENT | HK |
| 223.197.55.128/27 | WHOIS (APNIC) | CSC FUTURES (HK) LIMITED | HK |
| 223.197.61.128/27 | WHOIS (APNIC) | CHINA TA KUNG. COM LIMITED | HK |
| 223.197.61.160/27 | WHOIS (APNIC) | CHINA TA KUNG. COM LIMITED | HK |
| 223.197.66.96/27 | WHOIS (APNIC) | SIK SIK YUEN | HK |
| 223.197.1.144/28 | WHOIS (APNIC) | HEXTRONIK LIMITED | HK |
| 223.197.2.32/28 | WHOIS (APNIC) | NLSI PEACE EVANGELICAL SECONDARY SCHOOL | HK |
| 223.197.2.48/28 | WHOIS (APNIC) | CHRISTIAN NATIONALS' EVANGELISM COMMISSION | HK |
| 223.197.2.112/28 | WHOIS (APNIC) | THE IMC OF KLN CITY BAPTIST CHURCH HAY N | HK |
| 223.197.3.0/28 | WHOIS (APNIC) | THE HONG KONG TAOIST ASSOCIATION CHING C | HK |
| 223.197.3.16/28 | WHOIS (APNIC) | ST PAUL S COLLEGE PRI SCH | HK |
| 223.197.3.112/28 | WHOIS (APNIC) | ST. MARK'S PRIMARY SCHOOL | HK |
| 223.197.4.16/28 | WHOIS (APNIC) | GLOBAL DESIGN CONCEPTS (H.K.) LTD | HK |
| 223.197.4.64/28 | WHOIS (APNIC) | AOE FREIGHT (HK) LIMITED | HK |
| 223.197.9.64/28 | WHOIS (APNIC) | H.K. SANSHENG GROUP LIMITED | HK |
| 223.197.10.64/28 | WHOIS (APNIC) | REACH NETWORKS HONG KONG LIMITED | HK |
| 223.197.12.112/28 | WHOIS (APNIC) | CHOI FUNG HONG COMPANY LIMITED | HK |