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AS23087 Communications Data Group

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

Communications Data Group cdg.ws

US 1 Routes

AS Data

AS23087

AS23087 – Communications Data Group

AS Number	23087
AS Name	CDG
Organization	Communications Data Group(cdg)
Country	US
Website	cdg.ws
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2002-01-17

ASN Intelligence API for production workflows

Use ASN data for AS23087 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.31.127.0/24	AS23087	Communications Data Group	AT&T Enterprises, LLC	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:       23087
ASName:         CDG
ASHandle:       AS23087
RegDate:        2002-01-17
Updated:        2015-11-09    
Ref:            https://rdap.arin.net/registry/autnum/23087


OrgName:        Communications Data Group
OrgId:          CDG
Address:        102 South Duncan Road
City:           Champaign
StateProv:      IL
PostalCode:     61822
Country:        US
RegDate:        2000-10-17
Updated:        2015-11-09
Ref:            https://rdap.arin.net/registry/entity/CDG


OrgAbuseHandle: MCWET-ARIN
OrgAbuseName:   McWethy, Mike 
OrgAbusePhone:  +1-217-355-8400 
OrgAbuseEmail:  mikem@cdg.ws
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN

OrgTechHandle: MCWET-ARIN
OrgTechName:   McWethy, Mike 
OrgTechPhone:  +1-217-355-8400 
OrgTechEmail:  mikem@cdg.ws
OrgTechRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN

OrgNOCHandle: MCWET-ARIN
OrgNOCName:   McWethy, Mike 
OrgNOCPhone:  +1-217-355-8400 
OrgNOCEmail:  mikem@cdg.ws
OrgNOCRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN

RNOCHandle: MCWET-ARIN
RNOCName:   McWethy, Mike 
RNOCPhone:  +1-217-355-8400 
RNOCEmail:  mikem@cdg.ws
RNOCRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN

RTechHandle: MCWET-ARIN
RTechName:   McWethy, Mike 
RTechPhone:  +1-217-355-8400 
RTechEmail:  mikem@cdg.ws
RTechRef:    https://rdap.arin.net/registry/entity/MCWET-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
AS18671	PRTC	US

Upstreams

AS Number	Description	Country
AS18671	PRTC	US

Frequently Asked Questions

What is ASN AS23087?

ASN AS23087 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23087?

AS23087 is listed under Communications Data Group.

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.