ASN AS31755 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31755?

AS31755 is listed under Viskase Companies, Inc..

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.

AS31755 Viskase Companies, Inc.

ASN Lookup Tool

Viskase Companies, Inc. viskase.com

US 2 Routes

AS Data

AS31755

AS31755 – Viskase Companies, Inc.

AS Number	31755
AS Name	VISKASE-COMPANIES-INC-ASN
Organization	Viskase Companies, Inc.(viska)
Country	US
Website	viskase.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-01-25

ASN Intelligence API for production workflows

Use ASN data for AS31755 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
208.4.14.0/24	AS31755	Viskase Companies, Inc.	Viskase Companies, Inc.	256
137.239.221.0/24	AS31755	Viskase Companies, Inc.	Viskase Companies, Inc.	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:       31755
ASName:         VISKASE-COMPANIES-INC-ASN
ASHandle:       AS31755
RegDate:        2007-01-25
Updated:        2025-12-09    
Ref:            https://rdap.arin.net/registry/autnum/31755


OrgName:        Viskase Companies, Inc.
OrgId:          VISKA
Address:        333 E Butterfield Road
Address:        Suite 400
City:           Lombard
StateProv:      IL
PostalCode:     60148
Country:        US
RegDate:        2007-01-09
Updated:        2025-12-15
Ref:            https://rdap.arin.net/registry/entity/VISKA


OrgAbuseHandle: ABUSE1547-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-630-874-0695 
OrgAbuseEmail:  abuse@viskase.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1547-ARIN

OrgTechHandle: JONES2933-ARIN
OrgTechName:   Jones, Randy 
OrgTechPhone:  +1-630-874-0794 
OrgTechEmail:  randy.jones@viskase.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JONES2933-ARIN

RNOCHandle: JONES2933-ARIN
RNOCName:   Jones, Randy 
RNOCPhone:  +1-630-874-0794 
RNOCEmail:  randy.jones@viskase.com
RNOCRef:    https://rdap.arin.net/registry/entity/JONES2933-ARIN

RAbuseHandle: ABUSE1547-ARIN
RAbuseName:   abuse
RAbusePhone:  +1-630-874-0695 
RAbuseEmail:  abuse@viskase.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1547-ARIN

RTechHandle: JONES2933-ARIN
RTechName:   Jones, Randy 
RTechPhone:  +1-630-874-0794 
RTechEmail:  randy.jones@viskase.com
RTechRef:    https://rdap.arin.net/registry/entity/JONES2933-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
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS7018	AT&T Enterprises, LLC	US

Contacts

Email Contacts

randy.jones@viskase.com

Abuse Contacts

abuse@viskase.com