| 42.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 42.200.0.0/16 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.0.0/16 | WHOIS (APNIC) | PCCW IMS Ltd (PCCW Business Internet Access) | HK |
| 42.200.0.0/16 | APNIC assigned | — | HK |
| 42.200.0.0/17 | WHOIS (APNIC) | Hong Kong Telecommunications (HKT) Limited Business Internet | HK |
| 42.200.0.0/18 | WHOIS (APNIC) | HKT Limited | HK |
| 42.200.0.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.32.0/19 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.36.0/23 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.46.0/23 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.0.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.2.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.5.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.6.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.8.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.9.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.10.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.11.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.12.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.13.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.15.0/24 | BGP route | AS131337 Manulife International Limited | — |
| 42.200.15.0/24 | WHOIS (APNIC) | MANULIFE FINANCIAL ASIA LIMITED | HK |
| 42.200.16.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.20.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.21.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.22.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.24.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.25.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.26.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.27.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.28.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.29.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.30.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.31.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.39.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.40.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.48.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.49.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.50.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.52.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.53.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.55.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.56.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.57.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.58.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.59.0/24 | BGP route | AS4760 PCCW IMS Limited | — |
| 42.200.61.0/24 | BGP route | AS19551 Incapsula Inc | — |
| 42.200.62.0/24 | BGP route | AS4515 PCCW IMS Ltd (PCCW Business Internet Access) | — |
| 42.200.62.0/24 | WHOIS (APNIC) | SHERATON HONG KONG TUNG CHUNG | HK |
| 42.200.0.192/26 | WHOIS (APNIC) | SHUN TAK-CHINA TRAVEL SHIP MGT LTD | HK |
| 42.200.18.160/27 | WHOIS (APNIC) | F5 NETWORKS HONG KONG LIMITED | HK |
| 42.200.19.32/27 | WHOIS (APNIC) | ASIATIC LIMITED | HK |
| 42.200.19.16/28 | WHOIS (APNIC) | HILLER PHARMA COMPANY LIMITED | HK |
| 42.200.19.64/28 | WHOIS (APNIC) | ASIATIC LIMITED | HK |
| 42.200.9.184/29 | WHOIS (APNIC) | MANDATORY PROVIDENT FUND SCHEMES AUTHORITY | HK |
| 42.200.18.0/29 | WHOIS (APNIC) | UBP ASSET MANAGEMENT ASIA LIMITED | HK |
| 42.200.18.16/29 | WHOIS (APNIC) | DHL SUPPLY CHAIN (HONG KONG) LIMITED | HK |
| 42.200.18.24/29 | WHOIS (APNIC) | EXPANSYS (HONG KONG) LIMITED | HK |
| 42.200.18.48/29 | WHOIS (APNIC) | A BILBROUGH & CO LTD | HK |
| 42.200.18.56/29 | WHOIS (APNIC) | VCC LAND LIMITED | HK |
| 42.200.18.128/29 | WHOIS (APNIC) | MEGABITE HONG KONG LIMITED | HK |
| 42.200.18.152/29 | WHOIS (APNIC) | ASIA (INT'L) DUTY FREE LTD | HK |
| 42.200.18.200/29 | WHOIS (APNIC) | WALLEM SERVICES LTD | HK |
| 42.200.18.208/29 | WHOIS (APNIC) | TIAN LI INTL COMPANY LIMITED | HK |
| 42.200.18.216/29 | WHOIS (APNIC) | A P XPRESS (HK) LTD | HK |
| 42.200.18.224/29 | WHOIS (APNIC) | GAMMON CONSTRUCTION LIMITED | HK |
| 42.200.18.232/29 | WHOIS (APNIC) | AMANN ASIA LIMITED | HK |
| 42.200.18.248/29 | WHOIS (APNIC) | AMANN ASIA LIMITED | HK |
| 42.200.19.0/29 | WHOIS (APNIC) | UNIVERSAL LOGISTICS LIMITED | HK |
| 42.200.19.8/29 | WHOIS (APNIC) | JSI LOGISTICS (HONG KONG) LIMITED | HK |
| 42.200.19.160/29 | WHOIS (APNIC) | AFFINITY EQUITY PARTNERS (HK) LIMITED | HK |
| 42.200.19.168/29 | WHOIS (APNIC) | HONG KONG EXCHANGES AND CLEARING LIMITED | HK |
| 42.200.19.176/29 | WHOIS (APNIC) | HONG KONG EXCHANGES AND CLEARING LIMITED | HK |
| 42.200.19.200/29 | WHOIS (APNIC) | SATS HK LTD | HK |
| 42.200.19.208/29 | WHOIS (APNIC) | PLATINUM ESTATES LIMITED | HK |
| 42.200.19.216/29 | WHOIS (APNIC) | BURBERRY ASIA LIMITED | HK |
| 42.200.19.224/29 | WHOIS (APNIC) | DIGITAL CROWN HOLDINGS (H.K.) LIMITED | HK |
| 42.200.19.232/29 | WHOIS (APNIC) | SOLID GOLD INVESTMENTS LIMITED | HK |
| 42.200.19.248/29 | WHOIS (APNIC) | MUSEE GROUP LIMITED | HK |