ASN Lookup Tool

Fontana Unified School District fusd.net US US 3 Routes

AS Data

AS399256

AS399256Fontana Unified School District

AS Number 399256
AS Name FUSD-ASN
Organization Fontana Unified School District(fusd-14)
Country US
Website fusd.net
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type GOVERNMENT
Registry ARIN
Date Allocated 2021-01-20

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Use ASN data for AS399256 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
208.64.35.0/24 256
208.64.34.0/24 256
208.64.34.0/23 512

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       399256
ASName:         FUSD-ASN
ASHandle:       AS399256
RegDate:        2021-01-20
Updated:        2021-01-20    
Ref:            https://rdap.arin.net/registry/autnum/399256


OrgName:        Fontana Unified School District
OrgId:          FUSD-14
Address:        9680 Citrus Ave
City:           Fontana
StateProv:      CA
PostalCode:     92335
Country:        US
RegDate:        2020-01-23
Updated:        2020-01-23
Comment:        https://www.fusd.net
Ref:            https://rdap.arin.net/registry/entity/FUSD-14


OrgNOCHandle: ARAUJ14-ARIN
OrgNOCName:   Araujo, David 
OrgNOCPhone:  +1-909-357-7635 
OrgNOCEmail:  DavidA@fusd.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARAUJ14-ARIN

OrgTechHandle: ARAUJ14-ARIN
OrgTechName:   Araujo, David 
OrgTechPhone:  +1-909-357-7635 
OrgTechEmail:  DavidA@fusd.net
OrgTechRef:    https://rdap.arin.net/registry/entity/ARAUJ14-ARIN

OrgAbuseHandle: ARAUJ14-ARIN
OrgAbuseName:   Araujo, David 
OrgAbusePhone:  +1-909-357-7635 
OrgAbuseEmail:  DavidA@fusd.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARAUJ14-ARIN

OrgDNSHandle: ARAUJ14-ARIN
OrgDNSName:   Araujo, David 
OrgDNSPhone:  +1-909-357-7635 
OrgDNSEmail:  DavidA@fusd.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/ARAUJ14-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS20001 Charter Communications Inc US

Upstreams

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS20001 Charter Communications Inc US

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Frequently Asked Questions

ASN AS399256 is an Autonomous System Number used to identify a network for BGP internet routing.
AS399256 is listed under Fontana Unified School District.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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