Skip to main content
IpToolsKit
Search
Learn
IpToolsKit© 2025
Resources
OrganizationsLearn & GuidesTools
Tools
PingDNS LookupSpeed Test
Legal
Privacy PolicyAboutImprint

Organizations in Castro Valley

Back to City Directory

9 Organizations
Comcast Cable

Comcast Cable

IP Ranges
101,286
Total IPs
60,804,233
AS33667
US
JP
Chicago
Houston
Philadelphia
+2482 more
AT&T Internet

AT&T Internet

IP Ranges
56,403
Total IPs
74,027,968
AS7018
US
GB
CA
+5 more
Houston
Chicago
St Louis
+1573 more
Lumen

Lumen

IP Ranges
10,161
Total IPs
32,412,187
AS3356
US
GB
BR
+47 more
Wichita
Houston
Washington
+1091 more
Comcast Business

Comcast Business

IP Ranges
8,798
Total IPs
7,394,780
AS53851
US
MD
GB
Denver
Portland
Chicago
+2049 more
Verizon Wireless

Verizon Wireless

IP Ranges
3,438
Total IPs
21,070,589
AS6167
US
CR
Queens
Columbus
Celina
+318 more
Alameda County Office of Education

Alameda County Office of Education

IP Ranges
24
Total IPs
151,040
AS6099
US
Pleasanton
Castro Valley
Newark
+2 more
Zynga Corp.

Zynga Corp.

IP Ranges
5
Total IPs
1,280
AS54107
US
IN
GB
Bengaluru
London
Castro Valley
Shasta County Office of Education

Shasta County Office of Education

IP Ranges
4
Total IPs
16,640
AS23483
US
Redding
Castro Valley
Alameda County Library

Alameda County Library

IP Ranges
1
Total IPs
1,024
AS394435
US
Castro Valley