ASN AS11756 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11756?

AS11756 is listed under Children's Hospital Los Angeles.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS11756 Children's Hospital Los Angeles

ASN Lookup Tool

Children's Hospital Los Angeles chla.usc.edu

US 2 Routes

AS Data

AS11756

AS11756 – Children's Hospital Los Angeles

AS Number	11756
AS Name	CHLA
Organization	Children's Hospital Los Angeles(chla-1)
Country	US
Website	chla.usc.edu
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2014-10-31

ASN Intelligence API for production workflows

Use ASN data for AS11756 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
104.193.222.0/24	AS11756	Childrens Hospital Los Angeles	Children's Hospital Los Angeles	256
104.193.222.0/23	AS11756	Childrens Hospital Los Angeles	Children's Hospital Los Angeles	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:       11756
ASName:         CHLA
ASHandle:       AS11756
RegDate:        2014-10-31
Updated:        2014-10-31    
Ref:            https://rdap.arin.net/registry/autnum/11756


OrgName:        Children's Hospital Los Angeles
OrgId:          CHLA-1
Address:        4650 SUNSET BLVD
City:           Los Angeles
StateProv:      CA
PostalCode:     90027
Country:        US
RegDate:        2011-03-01
Updated:        2020-09-16
Ref:            https://rdap.arin.net/registry/entity/CHLA-1


OrgNOCHandle: NETWO9308-ARIN
OrgNOCName:   Network Administrator
OrgNOCPhone:  +1-323-660-2450 
OrgNOCEmail:  IS-NetworkTeam@chla.usc.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN

OrgAbuseHandle: NETWO9308-ARIN
OrgAbuseName:   Network Administrator
OrgAbusePhone:  +1-323-660-2450 
OrgAbuseEmail:  IS-NetworkTeam@chla.usc.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN

OrgAbuseHandle: NADYB-ARIN
OrgAbuseName:   Nadybal, Chris 
OrgAbusePhone:  +1-323-361-7647 
OrgAbuseEmail:  cnadybal@chla.usc.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NADYB-ARIN

OrgDNSHandle: NETWO9308-ARIN
OrgDNSName:   Network Administrator
OrgDNSPhone:  +1-323-660-2450 
OrgDNSEmail:  IS-NetworkTeam@chla.usc.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN

OrgNOCHandle: NADYB-ARIN
OrgNOCName:   Nadybal, Chris 
OrgNOCPhone:  +1-323-361-7647 
OrgNOCEmail:  cnadybal@chla.usc.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NADYB-ARIN

OrgTechHandle: NETWO9308-ARIN
OrgTechName:   Network Administrator
OrgTechPhone:  +1-323-660-2450 
OrgTechEmail:  IS-NetworkTeam@chla.usc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN

OrgRoutingHandle: NETWO9308-ARIN
OrgRoutingName:   Network Administrator
OrgRoutingPhone:  +1-323-660-2450 
OrgRoutingEmail:  IS-NetworkTeam@chla.usc.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9308-ARIN

OrgTechHandle: NADYB-ARIN
OrgTechName:   Nadybal, Chris 
OrgTechPhone:  +1-323-361-7647 
OrgTechEmail:  cnadybal@chla.usc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NADYB-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
AS20001	Charter Communications Inc	US
AS226	Los Nettos	US

Upstreams

AS Number	Description	Country
AS20001	Charter Communications Inc	US
AS226	Los Nettos	US