What is ASN AS400800?

ASN AS400800 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400800?

AS400800 is listed under Dayton Children's Hospital.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS400800 Dayton Children's Hospital

ASN Lookup Tool

Dayton Children's Hospital childrensdayton.org

US 3 Routes

AS Data

AS400800

AS400800 – Dayton Children's Hospital

AS Number	400800
AS Name	DAYTON-CHILDRENS-HOSPITAL
Organization	Dayton Children's Hospital (dch-89)
Country	US
Website	childrensdayton.org
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-09-22

ASN Intelligence API for production workflows

Use ASN data for AS400800 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.251.213.0/24	AS400800	Dayton Childrens Hospital	Dayton Children's Hospital	256
64.251.212.0/24	AS400800	Dayton Childrens Hospital	Dayton Children's Hospital	256
64.251.212.0/23	AS400800	Dayton Childrens Hospital	Dayton Children's Hospital	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:       400800
ASName:         DAYTON-CHILDRENS-HOSPITAL
ASHandle:       AS400800
RegDate:        2022-09-22
Updated:        2022-09-22
Ref:            https://rdap.arin.net/registry/autnum/400800


OrgName:        Dayton Children's Hospital
OrgId:          DCH-89
Address:        One Childrens Plaza
City:           Dayton
StateProv:      OH
PostalCode:     45404
Country:        US
RegDate:        2022-02-26
Updated:        2022-03-11
Ref:            https://rdap.arin.net/registry/entity/DCH-89


OrgAbuseHandle: DIP9-ARIN
OrgAbuseName:   DCH IT POC
OrgAbusePhone:  +1-937-641-3344 
OrgAbuseEmail:  baronm@childrensdayton.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DIP9-ARIN

OrgTechHandle: DIP9-ARIN
OrgTechName:   DCH IT POC
OrgTechPhone:  +1-937-641-3344 
OrgTechEmail:  baronm@childrensdayton.org
OrgTechRef:    https://rdap.arin.net/registry/entity/DIP9-ARIN

OrgNOCHandle: DIP9-ARIN
OrgNOCName:   DCH IT POC
OrgNOCPhone:  +1-937-641-3344 
OrgNOCEmail:  baronm@childrensdayton.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/DIP9-ARIN

OrgDNSHandle: DIP9-ARIN
OrgDNSName:   DCH IT POC
OrgDNSPhone:  +1-937-641-3344 
OrgDNSEmail:  baronm@childrensdayton.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/DIP9-ARIN

OrgRoutingHandle: DIP9-ARIN
OrgRoutingName:   DCH IT POC
OrgRoutingPhone:  +1-937-641-3344 
OrgRoutingEmail:  baronm@childrensdayton.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DIP9-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "400800",
    "as_handle" : "AS400800",
    "as_name" : "DAYTON-CHILDRENS-HOSPITAL",
    "admin_contacts" : [ "DIP9-ARIN" ],
    "tech_contacts" : [ "DIP9-ARIN", "DIP9-ARIN" ],
    "abuse_contacts" : [ "DIP9-ARIN" ],
    "date_created" : "2022-09-22",
    "date_updated" : "2022-09-22",
    "source" : "https://rdap.arin.net/registry/autnum/400800"
  } ],
  "organization" : {
    "handle" : "DCH-89",
    "name" : "Dayton Children's Hospital",
    "address" : [ "One Childrens Plaza", "Dayton", "OH", "45404", "US" ],
    "city" : "Dayton",
    "state" : "OH",
    "zip_code" : "45404",
    "country" : [ "US" ],
    "date_created" : "2022-02-26",
    "date_updated" : "2022-03-11",
    "source" : "https://rdap.arin.net/registry/entity/DCH-89",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "DIP9-ARIN",
    "name" : "DCH IT POC",
    "email" : [ "baronm@childrensdayton.org" ],
    "phone" : [ "+1-937-641-3344" ],
    "source" : "https://rdap.arin.net/registry/entity/DIP9-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "DIP9-ARIN",
    "name" : "DCH IT POC",
    "email" : [ "baronm@childrensdayton.org" ],
    "phone" : [ "+1-937-641-3344" ],
    "source" : "https://rdap.arin.net/registry/entity/DIP9-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "DIP9-ARIN",
    "name" : "DCH IT POC",
    "email" : [ "baronm@childrensdayton.org" ],
    "phone" : [ "+1-937-641-3344" ],
    "source" : "https://rdap.arin.net/registry/entity/DIP9-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS10796	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS10796	Charter Communications Inc	US