ASN AS16563 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16563?

AS16563 is listed under Nexum, 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?

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AS16563 Nexum, Inc. | IPGeolocation.io

ASN Lookup Tool

Nexum, Inc. snocc.net

US 1 Routes

AS Data

AS16563

AS16563 – Nexum, Inc.

AS Number	16563
AS Name	NEXUM-ASN
Organization	Nexum, Inc.(nexum)
Country	US
Website	snocc.net
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2007-12-18

ASN Intelligence API for production workflows

Use ASN data for AS16563 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.86.96.0/23	AS16563	Nexum, Inc.	Nexum, Inc.	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:       16563
ASName:         NEXUM-ASN
ASHandle:       AS16563
RegDate:        2007-12-18
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/16563


OrgName:        Nexum, Inc.
OrgId:          NEXUM
Address:        2901 Carlson Drive
Address:        Suite 204
City:           Hammond
StateProv:      IN
PostalCode:     46323
Country:        US
RegDate:        2007-04-24
Updated:        2024-12-10
Comment:        http://www.nexuminc.com
Comment:        Standard NOC hours are 24x7x368
Ref:            https://rdap.arin.net/registry/entity/NEXUM


OrgAbuseHandle: NSNOC-ARIN
OrgAbuseName:   Nexum Security and Network Operations Center
OrgAbusePhone:  +1-800-301-3894 
OrgAbuseEmail:  snocc@snocc.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSNOC-ARIN

OrgTechHandle: NSNOC-ARIN
OrgTechName:   Nexum Security and Network Operations Center
OrgTechPhone:  +1-800-301-3894 
OrgTechEmail:  snocc@snocc.net
OrgTechRef:    https://rdap.arin.net/registry/entity/NSNOC-ARIN

RTechHandle: NSNOC-ARIN
RTechName:   Nexum Security and Network Operations Center
RTechPhone:  +1-800-301-3894 
RTechEmail:  snocc@snocc.net
RTechRef:    https://rdap.arin.net/registry/entity/NSNOC-ARIN

RAbuseHandle: NSNOC-ARIN
RAbuseName:   Nexum Security and Network Operations Center
RAbusePhone:  +1-800-301-3894 
RAbuseEmail:  snocc@snocc.net
RAbuseRef:    https://rdap.arin.net/registry/entity/NSNOC-ARIN

RNOCHandle: NSNOC-ARIN
RNOCName:   Nexum Security and Network Operations Center
RNOCPhone:  +1-800-301-3894 
RNOCEmail:  snocc@snocc.net
RNOCRef:    https://rdap.arin.net/registry/entity/NSNOC-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
AS17223	Latisys-Chicago, LLC	US
AS174	Cogent Communications, LLC	US
AS17223	Latisys Chicago, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US
AS174	Cogent Communications, LLC	US
AS17223	Latisys Chicago, LLC	US