| 198.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 198.236.0.0/15 | WHOIS (ARIN) | Oregon Public Education Network | β |
| 198.236.0.0/15 | ARIN assigned | β | US |
| 198.236.0.0/18 | BGP route | AS36416 Clackamas Education Service District | β |
| 198.236.0.0/18 | WHOIS (ARIN) | Clackamas Education Service District | US |
| 198.236.64.0/18 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.236.64.0/18 | WHOIS (ARIN) | Multnomah Education Service District | US |
| 198.236.192.0/18 | BGP route | AS36416 Clackamas Education Service District | β |
| 198.236.128.0/19 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.64.0/19 | BGP route | AS3701 University of Oregon | β |
| 198.236.240.0/20 | WHOIS (ARIN) | Clackamas Education Service District | US |
| 198.237.0.0/20 | BGP route | AS3701 University of Oregon | β |
| 198.237.16.0/20 | BGP route | AS13692 Douglas FastNet | β |
| 198.237.16.0/20 | WHOIS (ARIN) | Douglas ESD | US |
| 198.237.32.0/20 | BGP route | AS46159 High Desert Education Service District - High Desert ESD | β |
| 198.237.32.0/20 | WHOIS (ARIN) | High Desert Education Service District - High Desert ESD | US |
| 198.237.96.0/20 | BGP route | AS3701 University of Oregon | β |
| 198.237.128.0/20 | BGP route | AS3701 University of Oregon | β |
| 198.237.144.0/20 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.176.0/20 | BGP route | AS36683 Willamette Education Service District | β |
| 198.237.176.0/20 | WHOIS (ARIN) | Willamette Education Service District (WESD) | US |
| 198.237.208.0/20 | WHOIS (ARIN) | South Coast Education Service District | US |
| 198.237.224.0/20 | WHOIS (ARIN) | South Coast Education Service District | US |
| 198.237.240.0/20 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.236.184.0/21 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.184.0/21 | WHOIS (ARIN) | Columbia Gorge Education Service District | US |
| 198.237.56.0/21 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.112.0/21 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.237.112.0/21 | WHOIS (ARIN) | Northwest Regional ESD | US |
| 198.237.120.0/21 | BGP route | AS3701 University of Oregon | β |
| 198.237.168.0/21 | BGP route | AS36683 Willamette Education Service District | β |
| 198.237.168.0/21 | WHOIS (ARIN) | Willamette Education Service District (WESD) | US |
| 198.237.216.0/21 | BGP route | AS20115 Charter Communications LLC | β |
| 198.237.224.0/21 | BGP route | AS20115 Charter Communications LLC | β |
| 198.237.232.0/21 | BGP route | AS20115 Charter Communications LLC | β |
| 198.237.48.0/22 | BGP route | AS35929 BLS | β |
| 198.237.160.0/22 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.164.0/22 | BGP route | AS36683 Willamette Education Service District | β |
| 198.237.164.0/22 | WHOIS (ARIN) | Willamette Education Service District (WESD) | US |
| 198.237.192.0/22 | BGP route | AS25899 LS Networks | β |
| 198.237.196.0/22 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.200.0/22 | BGP route | AS20055 Wholesail networks LLC | β |
| 198.237.204.0/22 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.48.0/23 | WHOIS (ARIN) | Bend-La Pine Schools | US |
| 198.237.50.0/23 | WHOIS (ARIN) | Bend-La Pine Schools | US |
| 198.237.54.0/23 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.236.66.0/24 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.236.72.0/24 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.236.73.0/24 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.236.86.0/24 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.236.184.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.185.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.186.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.187.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.188.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.189.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.190.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.191.0/24 | BGP route | AS40583 Columbia Gorge Education Service District | β |
| 198.236.215.0/24 | BGP route | AS36222 WindWave Communications | β |
| 198.236.216.0/24 | BGP route | AS36222 WindWave Communications | β |
| 198.237.10.0/24 | BGP route | AS13692 Douglas FastNet | β |
| 198.237.52.0/24 | BGP route | AS397963 Dallas School District No. 2 | β |
| 198.237.53.0/24 | BGP route | AS3933 Oregon Public Education Network | β |
| 198.237.114.0/24 | BGP route | AS32522 Multnomah Education Service District | β |
| 198.237.192.0/24 | BGP route | AS400539 Harney Education Service District Region XVII | β |
| 198.237.193.0/24 | BGP route | AS400539 Harney Education Service District Region XVII | β |
| 198.237.194.0/24 | BGP route | AS400539 Harney Education Service District Region XVII | β |