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AS4975 Computer Tech Services, Inc.

Q: Why is WHOIS data shown for an ASN?

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

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Computer Tech Services, Inc. laser.net

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AS Data

AS4975

AS4975 – Computer Tech Services, Inc.

AS Number	4975
AS Name	LASER-NET-BLOCK
Organization	Computer Tech Services, Inc.(ctsi)
Country	US
Website	laser.net
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1995-05-24

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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:       4975
ASName:         LASER-NET-BLOCK
ASHandle:       AS4975
RegDate:        1995-05-24
Updated:        1995-05-24    
Ref:            https://rdap.arin.net/registry/autnum/4975


OrgName:        Computer Tech Services, Inc.
OrgId:          CTSI
Address:        11200 Waples Mill Road, Suite 210
City:           Fairfax
StateProv:      VA
PostalCode:     22030
Country:        US
RegDate:        1994-08-26
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/CTSI


OrgTechHandle: RB208-ARIN
OrgTechName:   Bill, Rick 
OrgTechPhone:  +1-703-591-7101 
OrgTechEmail:  rmbill@laser.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RB208-ARIN

OrgAbuseHandle: RB208-ARIN
OrgAbuseName:   Bill, Rick 
OrgAbusePhone:  +1-703-591-7101 
OrgAbuseEmail:  rmbill@laser.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RB208-ARIN

RTechHandle: RB208-ARIN
RTechName:   Bill, Rick 
RTechPhone:  +1-703-591-7101 
RTechEmail:  rmbill@laser.net
RTechRef:    https://rdap.arin.net/registry/entity/RB208-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

Frequently Asked Questions

What is ASN AS4975?

ASN AS4975 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4975?

AS4975 is listed under Computer Tech Services, Inc..

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.