| 143.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 143.20.0.0/16 | WHOIS (RIPE_NCC) | NET AND GRID RESEARCH, LLC | US |
| 143.20.0.0/16 | RIPE_NCC assigned | β | US |
| 143.20.0.0/17 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | US |
| 143.20.16.0/22 | BGP route | AS42831 UK Dedicated Servers Limited | β |
| 143.20.16.0/22 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.24.0/22 | BGP route | AS401486 RAVNIX LLC | β |
| 143.20.24.0/22 | WHOIS (RIPE_NCC) | Regional Network Resources Inc. | EU |
| 143.20.72.0/22 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.108.0/22 | BGP route | AS174 Cogent Communications, LLC | β |
| 143.20.108.0/22 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.2.0/23 | BGP route | AS214480 Innova Communications Limited | β |
| 143.20.2.0/23 | WHOIS (RIPE_NCC) | Innova Communications Limited | EU |
| 143.20.8.0/23 | BGP route | AS402782 TAIPEI101 NETWORK LLC | β |
| 143.20.8.0/23 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.70.0/23 | BGP route | AS137897 PAN-LIAN TECHNOLOGY CO., LIMITED | β |
| 143.20.70.0/23 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.106.0/23 | WHOIS (RIPE_NCC) | Private Customer | AT |
| 143.20.116.0/23 | WHOIS (RIPE_NCC) | Private Customer | HK |
| 143.20.0.0/24 | BGP route | AS213920 FONSECA ALVES TECNOLOGIA LTDA | β |
| 143.20.0.0/24 | WHOIS (RIPE_NCC) | Linkor Brasil Ltda | BR |
| 143.20.1.0/24 | BGP route | AS212969 ChiaChin Tsai | β |
| 143.20.1.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.2.0/24 | BGP route | AS214480 Innova Communications Limited | β |
| 143.20.3.0/24 | BGP route | AS214480 Innova Communications Limited | β |
| 143.20.4.0/24 | BGP route | AS212384 Simoresta UAB | β |
| 143.20.4.0/24 | WHOIS (RIPE_NCC) | NET-143-20-4-0-24 | KR |
| 143.20.5.0/24 | BGP route | AS44092 HAL Service SpA | β |
| 143.20.5.0/24 | WHOIS (RIPE_NCC) | Erretielle TLC Srl | IT |
| 143.20.6.0/24 | BGP route | AS39521 TNGNET B.V. | β |
| 143.20.7.0/24 | BGP route | AS40676 Psychz Networks | β |
| 143.20.7.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.8.0/24 | BGP route | AS402782 TAIPEI101 NETWORK LLC | β |
| 143.20.9.0/24 | BGP route | AS402782 TAIPEI101 NETWORK LLC | β |
| 143.20.10.0/24 | BGP route | AS211407 PT Perwira Media Solusi | β |
| 143.20.10.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.11.0/24 | BGP route | AS34989 ServeTheWorld AS | β |
| 143.20.11.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.12.0/24 | BGP route | AS214913 Joel Reis da Conceicao trading as WebTejo | β |
| 143.20.12.0/24 | WHOIS (RIPE_NCC) | NET-143-20-12-0-24 | PT |
| 143.20.13.0/24 | BGP route | AS147281 Luckynet9 Private Limited | β |
| 143.20.13.0/24 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.14.0/24 | BGP route | AS40676 Psychz Networks | β |
| 143.20.14.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.15.0/24 | BGP route | AS42831 UK Dedicated Servers Limited | β |
| 143.20.15.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.16.0/24 | BGP route | AS218879 TAVEUS SERVICOS EM TECNOLOGIA LTDA | β |
| 143.20.16.0/24 | WHOIS (RIPE_NCC) | Private Customer | US |
| 143.20.17.0/24 | WHOIS (RIPE_NCC) | Private Customer | SG |
| 143.20.18.0/24 | BGP route | AS152698 Zorn Technologies | β |
| 143.20.19.0/24 | BGP route | AS54252 Sprious LLC | β |
| 143.20.19.0/24 | WHOIS (RIPE_NCC) | Private Customer | GB |
| 143.20.20.0/24 | BGP route | AS208394 ETERNAL GROUP DENIZCILIK EGITIM MAKINE DANISMANLIK DIS TICARET LIMITED SIRKETI | β |
| 143.20.20.0/24 | WHOIS (RIPE_NCC) | BA I NORA DOO | TR |
| 143.20.21.0/24 | BGP route | AS208394 ETERNAL GROUP DENIZCILIK EGITIM MAKINE DANISMANLIK DIS TICARET LIMITED SIRKETI | β |
| 143.20.21.0/24 | WHOIS (RIPE_NCC) | BA I NORA DOO | TR |
| 143.20.22.0/24 | BGP route | AS401362 HOST4NERD LLC | β |
| 143.20.22.0/24 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.23.0/24 | BGP route | AS142561 XTDEF Limited | β |
| 143.20.23.0/24 | WHOIS (RIPE_NCC) | XTDef Limited | ID |
| 143.20.24.0/24 | BGP route | AS401486 RAVNIX LLC | β |
| 143.20.25.0/24 | BGP route | AS401486 RAVNIX LLC | β |
| 143.20.26.0/24 | BGP route | AS401486 RAVNIX LLC | β |
| 143.20.27.0/24 | BGP route | AS401486 RAVNIX LLC | β |
| 143.20.28.0/24 | BGP route | AS152179 GLOBAL COMMUNICATION NETWORK LIMITED | β |
| 143.20.28.0/24 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.29.0/24 | BGP route | AS400810 BreezeHost | β |
| 143.20.29.0/24 | WHOIS (RIPE_NCC) | BreezeHost | EU |
| 143.20.30.0/24 | BGP route | AS138195 MOACK.Co.LTD | β |
| 143.20.30.0/24 | WHOIS (RIPE_NCC) | Private Customer | KR |
| 143.20.31.0/24 | BGP route | AS55720 Gigabit Hosting Sdn Bhd | β |
| 143.20.31.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.32.0/24 | BGP route | AS211693 NolimitCloud s.r.o | β |
| 143.20.32.0/24 | WHOIS (RIPE_NCC) | Nolimithost | EU |
| 143.20.33.0/24 | BGP route | AS214083 NodeHub LLC | β |
| 143.20.33.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.34.0/24 | BGP route | AS212238 Datacamp Limited | β |
| 143.20.34.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.35.0/24 | BGP route | AS136809 FAST ZONE IT | β |
| 143.20.35.0/24 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.36.0/24 | BGP route | AS402265 Mutanet LLC | β |
| 143.20.36.0/24 | WHOIS (RIPE_NCC) | Internet Utilities Europe and Asia Limited | EU |
| 143.20.37.0/24 | BGP route | AS215703 FREAKHOSTING LTD | β |
| 143.20.37.0/24 | WHOIS (RIPE_NCC) | FREAKHOSTING LTD | DE |
| 143.20.38.0/24 | BGP route | AS401075 Skyspark Hosting LLC | β |
| 143.20.38.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.39.0/24 | BGP route | AS9304 HGC Global Communications Limited | β |
| 143.20.39.0/24 | WHOIS (RIPE_NCC) | StarNet InfoTech Consulting Limited | EU |
| 143.20.40.0/24 | BGP route | AS211094 ADVANCED TECH SOLUTIONS LP | β |
| 143.20.40.0/24 | WHOIS (RIPE_NCC) | ADVANCED TECH SOLUTIONS | GR |
| 143.20.41.0/24 | BGP route | AS152868 THX Corp. | β |
| 143.20.41.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.42.0/24 | BGP route | AS215728 Kamatera Inc | β |
| 143.20.42.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.43.0/24 | BGP route | AS205410 Antoine Melhem trading as LIBAN-COM | β |
| 143.20.43.0/24 | WHOIS (RIPE_NCC) | LIBAN-COM | EU |
| 143.20.44.0/24 | BGP route | AS200019 ALEXHOST SRL | β |
| 143.20.44.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.45.0/24 | WHOIS (RIPE_NCC) | LIBAN-COM | EU |
| 143.20.46.0/24 | WHOIS (RIPE_NCC) | Private Customer | EU |
| 143.20.47.0/24 | WHOIS (RIPE_NCC) | Riotech N.V. | EU |