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AS22315
AS22315 San Bernardino County Superintendent of Schools
SBCSS - San Bernardino County Superintendent of Schools · registered in the United States
IPv4 addresses 64,768 80 prefixes · 0.002% of announced IPv4
Rank in United States #1,339 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #3,507 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 80 prefixes, in address order.
163.150.0.0/21 163.150.8.0/23 163.150.10.0/24 163.150.11.0/24 163.150.12.0/23 163.150.14.0/24 163.150.15.0/25 163.150.15.128/26 163.150.15.192/26 163.150.16.0/21 163.150.24.0/23 163.150.26.0/23 163.150.28.0/22 163.150.32.0/23 163.150.34.0/24 163.150.35.0/24 163.150.36.0/23 163.150.38.0/24 163.150.39.0/24 163.150.40.0/24 163.150.41.0/24 163.150.42.0/23 163.150.44.0/22 163.150.48.0/22 163.150.52.0/23 163.150.54.0/23 163.150.56.0/21 163.150.64.0/19 163.150.96.0/22 163.150.100.0/24 163.150.101.0/24 163.150.102.0/23 163.150.104.0/21 163.150.112.0/23 163.150.114.0/23 163.150.116.0/23 163.150.118.0/24 163.150.119.0/24 163.150.120.0/24 163.150.121.0/24 163.150.122.0/23 163.150.124.0/22 163.150.128.0/21 163.150.136.0/22 163.150.140.0/23 163.150.142.0/24 163.150.143.0/24 163.150.144.0/23 163.150.146.0/23 163.150.148.0/23 163.150.150.0/23 163.150.152.0/21 163.150.160.0/24 163.150.161.0/24 163.150.162.0/23 163.150.164.0/22 163.150.168.0/21 163.150.176.0/23 163.150.178.0/24 163.150.179.0/24 163.150.180.0/22 163.150.184.0/21 163.150.192.0/21 163.150.200.0/24 163.150.201.0/24 163.150.202.0/23 163.150.204.0/22 163.150.208.0/21 163.150.216.0/22 163.150.220.0/23 163.150.222.0/23 163.150.224.0/25 163.150.224.128/25 163.150.225.0/24 163.150.226.0/23 163.150.228.0/22 163.150.232.0/21 163.150.240.0/22 163.150.247.0/24 163.150.248.0/21
Similar-sized networks in United States
ASN Name IPv4 addresses
AS64226 #1336 MDURESOURCES - MDU Resources Group, Inc.65,024
AS7296 #1337 AS-DYNASCALE-LAX - Dynascale Technologies, Inc.64,768
AS8036 #1338 UTULSA-AS - University of Tulsa64,768
AS23410 #1340 NET-NASSAU-BOCES - Nassau County BOCES64,768
AS29702 #1341 ALASKA-AIRGROUP-SE4 - Alaska Airlines, Inc.64,768
AS33527 #1342 MGN-2 - Metropolitan Government of Nashville and Davidson County Tennessee64,768
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources