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AS25747 Epic Systems Corporation

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Epic Systems Corporation epic.com

US 1 Routes

AS Data

AS25747

AS25747 – Epic Systems Corporation

AS Number	25747
AS Name	EPICSYS-DR
Organization	Epic Systems Corporation(esc-103)
Country	US
Website	epic.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-03-11

ASN Intelligence API for production workflows

Use ASN data for AS25747 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
204.187.138.0/24	AS25747	Epic Systems Corporation	Epic Systems Corporation	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:       25747
ASName:         EPICSYS-DR
ASHandle:       AS25747
RegDate:        2019-03-11
Updated:        2019-03-11    
Ref:            https://rdap.arin.net/registry/autnum/25747


OrgName:        Epic Systems Corporation
OrgId:          ESC-103
Address:        1979 Milky Way
City:           Verona
StateProv:      WI
PostalCode:     53593
Country:        US
RegDate:        2006-12-18
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/ESC-103


OrgAbuseHandle: HOSTM1543-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-608-271-7237 
OrgAbuseEmail:  hostmaster@epic.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM1543-ARIN

OrgTechHandle: HOSTM1543-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-608-271-7237 
OrgTechEmail:  hostmaster@epic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1543-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
AS11796	Airstream Communications, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS11796	Airstream Communications, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS11796	Airstream Communications, LLC	US

Frequently Asked Questions

What is ASN AS25747?

ASN AS25747 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25747?

AS25747 is listed under Epic Systems Corporation.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.