ASN AS33420 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33420?

AS33420 is listed under Technology Concepts & Design, 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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AS33420 Technology Concepts & Design, Inc.

ASN Lookup Tool

Technology Concepts & Design, Inc. tcdi.com

US 2 Routes

AS Data

AS33420

AS33420 – Technology Concepts & Design, Inc.

AS Number	33420
AS Name	TCDI
Organization	Technology Concepts & Design, Inc.(tcd-90)
Country	US
Website	tcdi.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2004-12-14

ASN Intelligence API for production workflows

Use ASN data for AS33420 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
192.82.146.0/24	AS33420	Technology Concepts & Design, Inc.	Technology Concepts & Design, Inc.	256
70.150.225.0/24	AS33420	Technology Concepts & Design, Inc.	Technology Concepts and Des INT	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:       33420
ASName:         TCDI
ASHandle:       AS33420
RegDate:        2004-12-14
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/33420


OrgName:        Technology Concepts & Design, Inc.
OrgId:          TCD-90
Address:        4508 Weybridge Ln
Address:        Suite 200
City:           Greensboro
StateProv:      NC
PostalCode:     27407
Country:        US
RegDate:        2004-09-17
Updated:        2019-11-04
Ref:            https://rdap.arin.net/registry/entity/TCD-90


OrgTechHandle: IPADM182-ARIN
OrgTechName:   IP Admin
OrgTechPhone:  +1-336-232-5849 
OrgTechEmail:  ipadmin@tcdi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM182-ARIN

OrgNOCHandle: IPADM182-ARIN
OrgNOCName:   IP Admin
OrgNOCPhone:  +1-336-232-5849 
OrgNOCEmail:  ipadmin@tcdi.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IPADM182-ARIN

OrgAbuseHandle: ABUSE710-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-336-232-5849 
OrgAbuseEmail:  abuse@tcdi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE710-ARIN

RAbuseHandle: ABUSE710-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-336-232-5849 
RAbuseEmail:  abuse@tcdi.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE710-ARIN

RNOCHandle: TCDIS-ARIN
RNOCName:   TCDI Support
RNOCPhone:  +1-336-232-5849 
RNOCEmail:  support@tcdi.com
RNOCRef:    https://rdap.arin.net/registry/entity/TCDIS-ARIN

RTechHandle: IPADM182-ARIN
RTechName:   IP Admin
RTechPhone:  +1-336-232-5849 
RTechEmail:  ipadmin@tcdi.com
RTechRef:    https://rdap.arin.net/registry/entity/IPADM182-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
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Contacts

Email Contacts

ipadmin@tcdi.com

Abuse Contacts

abuse@tcdi.com