| 173.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 173.226.0.0/15 | BGP route | AS3549 Level 3 Parent, LLC | — |
| 173.226.0.0/15 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 173.226.0.0/15 | ARIN assigned | — | US |
| 173.226.208.0/20 | BGP route | AS19893 NTT Global Data Centers Americas, INC. | — |
| 173.226.208.0/20 | WHOIS (ARIN) | NTT Global Data Centers Americas, INC. | US |
| 173.226.32.0/21 | WHOIS (ARIN) | Bellarmine University | US |
| 173.226.72.0/21 | WHOIS (ARIN) | Black Knight IP Holding Company, LLC | US |
| 173.227.8.0/21 | WHOIS (ARIN) | Station Casinos, LLC | US |
| 173.227.176.0/21 | BGP route | AS3549 Level 3 Parent, LLC | — |
| 173.226.56.0/22 | BGP route | AS55067 Childrens Hospitals and Clinics of Minnesota | — |
| 173.226.56.0/22 | WHOIS (ARIN) | Childrens Hospitals and Clinics of Minnesota | US |
| 173.227.44.0/22 | BGP route | AS25649 AYERA TECHNOLOGIES, INC. | — |
| 173.227.44.0/22 | WHOIS (ARIN) | AYERA TECHNOLOGIES, INC. | US |
| 173.227.84.0/22 | BGP route | AS22403 TRINICOM COMMUNICATIONS | — |
| 173.227.84.0/22 | WHOIS (ARIN) | TRINICOM COMMUNICATIONS | US |
| 173.227.128.0/22 | BGP route | AS13984 SD Data Center | — |
| 173.227.128.0/22 | WHOIS (ARIN) | SD Data Center | US |
| 173.227.192.0/22 | BGP route | AS30216 StarMax Corporation | — |
| 173.226.54.0/23 | WHOIS (ARIN) | FirstHop | US |
| 173.226.78.0/23 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.98.0/23 | BGP route | AS26237 NuVasive Inc. | — |
| 173.226.98.0/23 | WHOIS (ARIN) | NuVasive Inc. | US |
| 173.226.176.0/23 | WHOIS (ARIN) | CCNBI, Inc | US |
| 173.227.122.0/23 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.226.11.0/24 | WHOIS (ARIN) | Country Music Foundation | US |
| 173.226.23.0/24 | BGP route | AS53816 Brentwood Academy | — |
| 173.226.29.0/24 | BGP route | AS36740 Volusia County Clerk of the Courts | — |
| 173.226.30.0/24 | BGP route | AS30532 Healthcare Realty Trust, Inc. | — |
| 173.226.52.0/24 | BGP route | AS32411 AssureRx Health, Inc. | — |
| 173.226.54.0/24 | BGP route | AS14554 FirstHop | — |
| 173.226.55.0/24 | BGP route | AS14554 FirstHop | — |
| 173.226.65.0/24 | BGP route | AS46340 HireRight LLC | — |
| 173.226.65.0/24 | WHOIS (ARIN) | HireRight LLC | US |
| 173.226.67.0/24 | BGP route | AS40696 Systems Engineering, Incorporated | — |
| 173.226.67.0/24 | WHOIS (ARIN) | Systems Engineering, Incorporated | US |
| 173.226.72.0/24 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.73.0/24 | BGP route | AS31874 Black Knight IP Holding Company, LLC | — |
| 173.226.74.0/24 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.75.0/24 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.76.0/24 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.77.0/24 | BGP route | AS26630 Black Knight IP Holding Company, LLC | — |
| 173.226.82.0/24 | WHOIS (ARIN) | Schaefer Systems Intl. | US |
| 173.226.83.0/24 | BGP route | AS46142 BridgePay Network Solutions, LLC | — |
| 173.226.83.0/24 | WHOIS (ARIN) | BridgePay Network Solutions, LLC | US |
| 173.226.85.0/24 | BGP route | AS22127 Honda Aircraft Company LLC | — |
| 173.226.102.0/24 | BGP route | AS17365 City of Fresno | — |
| 173.226.103.0/24 | BGP route | AS46864 Workday, Inc. | — |
| 173.226.103.0/24 | WHOIS (ARIN) | Workday, Inc. | US |
| 173.226.106.0/24 | WHOIS (ARIN) | Pacific Premier Bancorp Inc. | US |
| 173.226.108.0/24 | BGP route | AS25878 Quinstreet, Inc. | — |
| 173.226.108.0/24 | WHOIS (ARIN) | Quinstreet, Inc. | US |
| 173.226.115.0/24 | BGP route | AS1082 Zenith American Solutions, Inc. | — |
| 173.226.115.0/24 | WHOIS (ARIN) | Zenith American Solutions, Inc. | US |
| 173.226.120.0/24 | BGP route | AS53268 EIS Group, INC | — |
| 173.226.121.0/24 | BGP route | AS32969 Everi Payments Inc. | — |
| 173.226.121.0/24 | WHOIS (ARIN) | Everi Payments Inc. | US |
| 173.226.124.0/24 | WHOIS (ARIN) | AMN Healthcare | US |
| 173.226.128.0/24 | BGP route | AS26831 Cameron Communications, LLC | — |
| 173.226.128.0/24 | WHOIS (ARIN) | Cameron Communications, LLC | US |
| 173.226.129.0/24 | BGP route | AS399932 Tekvizion PVS, Inc. | — |
| 173.226.139.0/24 | BGP route | AS53780 APPRIVER LLC | — |
| 173.226.139.0/24 | WHOIS (ARIN) | APPRIVER LLC | US |
| 173.226.142.0/24 | BGP route | AS16887 Aethernet LLC | — |
| 173.226.143.0/24 | BGP route | AS16887 Aethernet LLC | — |
| 173.226.161.0/24 | BGP route | AS397862 Catalyst Corporate Federal Credit Union | — |
| 173.226.167.0/24 | BGP route | AS40477 Hydrotex Partners, Ltd. | — |
| 173.226.198.0/24 | BGP route | AS11278 Nintendo Of America inc. | — |
| 173.226.198.0/24 | WHOIS (ARIN) | Nintendo of America | US |
| 173.226.200.0/24 | BGP route | AS10753 Level 3 Parent, LLC | — |
| 173.226.200.0/24 | WHOIS (ARIN) | WhatCounts | US |
| 173.226.225.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.226.232.0/24 | BGP route | AS36188 Alston & Bird, LLP | — |
| 173.226.245.0/24 | WHOIS (ARIN) | The Street Inc. | US |
| 173.226.249.0/24 | BGP route | AS19389 GOLUB CORPORATION | — |
| 173.226.255.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.227.5.0/24 | WHOIS (ARIN) | Celgene Corporation | US |
| 173.227.16.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.227.19.0/24 | BGP route | AS26780 Knobbe, Martens, Olson & Bear, LLP. | — |
| 173.227.22.0/24 | WHOIS (ARIN) | Renaissance Phoenix | US |
| 173.227.25.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.227.34.0/24 | WHOIS (ARIN) | Bluespan Wireless, LLC | US |
| 173.227.35.0/24 | WHOIS (ARIN) | Bluespan Wireless, LLC | US |
| 173.227.40.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 173.227.70.0/24 | WHOIS (ARIN) | Cameron Communications, LLC | US |
| 173.227.81.0/24 | WHOIS (ARIN) | PILLAR HOTELS AND RESORTS, LLC | US |
| 173.227.98.0/24 | WHOIS (ARIN) | Community Medical Group | US |
| 173.227.101.0/24 | WHOIS (ARIN) | Premier Satellite | US |
| 173.227.136.0/24 | WHOIS (ARIN) | IF&D DATASUITES, LLC | US |
| 173.227.141.0/24 | WHOIS (ARIN) | Corus360 | US |
| 173.227.142.0/24 | WHOIS (ARIN) | IF&D DATASUITES, LLC | US |
| 173.227.147.0/24 | WHOIS (ARIN) | LMG | US |
| 173.227.149.0/24 | WHOIS (ARIN) | HART | US |
| 173.227.159.0/24 | WHOIS (ARIN) | Saddle Creek Corporation | US |
| 173.227.174.0/24 | WHOIS (ARIN) | Cooley LLP | US |
| 173.227.198.0/24 | WHOIS (ARIN) | FINANCIAL RECOVERY SERVICES, INC. | US |
| 173.227.201.0/24 | WHOIS (ARIN) | Brady Worldwide, Inc | US |
| 173.227.207.0/24 | WHOIS (ARIN) | Buyseasons, Inc. | US |
| 173.227.210.0/24 | WHOIS (ARIN) | SeaWorld Parks & Entertainment, Inc. | US |
| 173.227.217.0/24 | WHOIS (ARIN) | Summitt Trucking, LLC | US |
| 173.227.222.0/24 | WHOIS (ARIN) | Warner Connect | US |