ASN AS54103 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS54103?

AS54103 is listed under MOD Mission Critical, LLC.

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.

AS54103 MOD Mission Critical, LLC

ASN Lookup Tool

MOD Mission Critical, LLC modmc.net

US 471 Routes

AS Data

AS54103

AS54103 – MOD Mission Critical, LLC

AS Number	54103
AS Name	MODMC-54103-AS
Organization	MOD Mission Critical, LLC(mmc-196)
Country	US
Website	modmc.net
Number of IPv4 Routes	463
Number of IPv6 Routes	8
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-05-06

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Use ASN data for AS54103 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.147.94.0/24	AS54103	MOD Mission Critical, LLC	Golden Marketmaker	256
206.246.102.0/24	AS54103	MOD Mission Critical, LLC	Ezone Biotechnologies	256
216.107.17.0/24	AS54103	MOD Mission Critical, LLC	Roll Out Technology	256
216.107.25.0/24	AS54103	MOD Mission Critical, LLC	InfiniteWeb	256
134.202.27.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical	256
207.199.186.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical	256
40.223.1.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical	256
216.155.19.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
212.124.85.0/24	AS54103	MOD Mission Critical, LLC	MODMC Atlanta USA	256
207.199.181.0/24	AS54103	MOD Mission Critical, LLC	Mod MC	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:       54103
ASName:         MODMC-54103-AS
ASHandle:       AS54103
RegDate:        2015-05-06
Updated:        2024-05-30    
Ref:            https://rdap.arin.net/registry/autnum/54103


OrgName:        MOD Mission Critical, LLC
OrgId:          MMC-196
Address:        4950 South Yosemite St., # F2-367
City:           Greenwood Village
StateProv:      CO
PostalCode:     80111
Country:        US
RegDate:        2014-04-09
Updated:        2024-05-22
Ref:            https://rdap.arin.net/registry/entity/MMC-196


OrgTechHandle: HAWKI306-ARIN
OrgTechName:   Hawkins, Ryan 
OrgTechPhone:  +1-303-796-2626 
OrgTechEmail:  RHawkins@bfwlaw.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HAWKI306-ARIN

OrgAbuseHandle: NOC32622-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-808-364-2454 
OrgAbuseEmail:  abuse@modmc.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC32622-ARIN

OrgTechHandle: SAMAV-ARIN
OrgTechName:   Samavedula, Rama 
OrgTechPhone:  +917207501528 
OrgTechEmail:  rama@modmc.net
OrgTechRef:    https://rdap.arin.net/registry/entity/SAMAV-ARIN

OrgTechHandle: KERSN1-ARIN
OrgTechName:   Kersnick, Tim 
OrgTechPhone:  +1-808-364-2454 
OrgTechEmail:  tim@modmc.net
OrgTechRef:    https://rdap.arin.net/registry/entity/KERSN1-ARIN

RTechHandle: KERSN1-ARIN
RTechName:   Kersnick, Tim 
RTechPhone:  +1-808-364-2454 
RTechEmail:  tim@modmc.net
RTechRef:    https://rdap.arin.net/registry/entity/KERSN1-ARIN

RNOCHandle: KERSN1-ARIN
RNOCName:   Kersnick, Tim 
RNOCPhone:  +1-808-364-2454 
RNOCEmail:  tim@modmc.net
RNOCRef:    https://rdap.arin.net/registry/entity/KERSN1-ARIN

RAbuseHandle: NOC32622-ARIN
RAbuseName:   NOC
RAbusePhone:  +1-808-364-2454 
RAbuseEmail:  abuse@modmc.net
RAbuseRef:    https://rdap.arin.net/registry/entity/NOC32622-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
AS6260	MOD Mission Critical, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS20055	Wholesail networks LLC	US
AS1239	Cogent Communications, LLC	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS40061	UnitedLayer, LLC	US
AS174	Cogent Communications, LLC	US
AS852	TELUS Communications Inc.	CA
AS1299	Arelion Sweden AB	SE

Upstreams

AS Number	Description	Country
AS852	TELUS Communications Inc.	CA
AS20055	Wholesail networks LLC	US
AS1299	Arelion Sweden AB	SE
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US
AS33182	HostDime.com, Inc.	US