ASN AS4503 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4503?

AS4503 is listed under Grady Memorial 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.

AS4503 Grady Memorial Hospital

ASN Lookup Tool

Grady Memorial Hospital gmh.edu

US 4 Routes

AS Data

AS4503

AS4503 – Grady Memorial Hospital

AS Number	4503
AS Name	EGINTERLINK
Organization	Grady Memorial Hospital(gmh)
Country	US
Website	gmh.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1995-04-04

ASN Intelligence API for production workflows

Use ASN data for AS4503 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.33.66.0/24	AS4503	Grady Memorial Hospital	Grady Memorial Hospital	256
192.35.46.0/24	AS4503	Grady Memorial Hospital	Grady Memorial Hospital	256
138.33.72.0/24	AS4503	Grady Memorial Hospital	Grady Memorial Hospital	256
138.33.33.0/24	AS4503	Grady Memorial Hospital	Grady Memorial Hospital	256

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:       4503
ASName:         EGINTERLINK
ASHandle:       AS4503
RegDate:        1995-04-04
Updated:        2019-01-30    
Ref:            https://rdap.arin.net/registry/autnum/4503


OrgName:        Grady Memorial Hospital
OrgId:          GMH
Address:        80 Jesse Hill Jr.
City:           Atlanta
StateProv:      GA
PostalCode:     30303
Country:        US
RegDate:        1988-02-23
Updated:        2021-06-10
Ref:            https://rdap.arin.net/registry/entity/GMH


OrgNOCHandle: SPICE47-ARIN
OrgNOCName:   Spicer, Vincent 
OrgNOCPhone:  +1-404-616-6084 
OrgNOCEmail:  vbspicer@gmh.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/SPICE47-ARIN

OrgAbuseHandle: SPICE47-ARIN
OrgAbuseName:   Spicer, Vincent 
OrgAbusePhone:  +1-404-616-6084 
OrgAbuseEmail:  vbspicer@gmh.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SPICE47-ARIN

OrgTechHandle: SPICE47-ARIN
OrgTechName:   Spicer, Vincent 
OrgTechPhone:  +1-404-616-6084 
OrgTechEmail:  vbspicer@gmh.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/SPICE47-ARIN

RTechHandle: STEEL174-ARIN
RTechName:   Steele, Larry 
RTechPhone:  +1-404-616-9570 
RTechEmail:  lsteele@gmh.edu
RTechRef:    https://rdap.arin.net/registry/entity/STEEL174-ARIN

RAbuseHandle: STEEL174-ARIN
RAbuseName:   Steele, Larry 
RAbusePhone:  +1-404-616-9570 
RAbuseEmail:  lsteele@gmh.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/STEEL174-ARIN

RNOCHandle: STEEL174-ARIN
RNOCName:   Steele, Larry 
RNOCPhone:  +1-404-616-9570 
RNOCEmail:  lsteele@gmh.edu
RNOCRef:    https://rdap.arin.net/registry/entity/STEEL174-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
AS395674	IANA - Autonomous System Number	US
AS7725	Comcast Cable Communications, LLC	US
AS6461	Zayo Bandwidth	US
AS395674	RESERVED	ZZ

Upstreams

AS Number	Description	Country
AS7725	Comcast Cable Communications, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS395674	IANA - Autonomous System Number	ZZ