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?

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AS54103 MOD Mission Critical, LLC

MOD Mission Critical, LLC modmc.net

US 442 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	436
Number of IPv6 Routes	5
ASN type	HOSTING
Registry	ARIN
Date Allocated	2015-05-06

ASN Intelligence API for production workflows

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
216.155.1.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
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
64.6.178.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.107.25.0/24	AS54103	MOD Mission Critical, LLC	InfiniteWeb	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
104.165.56.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
207.199.181.0/24	AS54103	MOD Mission Critical, LLC	Mod MC	256
216.107.53.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
216.107.12.0/24	AS54103	MOD Mission Critical, LLC	Mod MC	256
209.147.85.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
207.199.134.0/24	AS54103	MOD Mission Critical, LLC	InfiniteWeb	256
134.202.61.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
134.202.2.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
45.88.123.0/24	AS54103	MOD Mission Critical, LLC	Mod Mission Critical LLC	256
40.223.0.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.155.45.0/24	AS54103	MOD Mission Critical, LLC	DICARLO INTERNET DEVELOPMENT	256
209.147.83.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
206.246.72.0/24	AS54103	MOD Mission Critical, LLC	INTERNET SAFETY ZONE	256
206.246.65.0/24	AS54103	MOD Mission Critical, LLC	Comet Networks LLC	256
206.246.108.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
64.6.183.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
206.246.101.0/24	AS54103	MOD Mission Critical, LLC	Mike Taylor	256
206.246.100.0/24	AS54103	MOD Mission Critical, LLC	Limited Brokers PVT	256
206.246.90.0/24	AS54103	MOD Mission Critical, LLC	Mod Mission Critical LLC	256
207.199.182.0/24	AS54103	MOD Mission Critical, LLC	Mod MC	256
207.199.169.0/24	AS54103	MOD Mission Critical, LLC	Gold Equipment	256
207.199.191.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
207.199.135.0/24	AS54103	MOD Mission Critical, LLC	InfiniteWeb	256
216.155.22.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
103.87.252.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.107.48.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
104.165.55.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.107.46.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
206.246.80.0/24	AS54103	MOD Mission Critical, LLC	SOFTWARE INSPECTORS, LLC	256
206.246.68.0/24	AS54103	MOD Mission Critical, LLC	Neicom LLC	256
45.87.23.0/24	AS54103	MOD Mission Critical, LLC	Mod Mission Critical LLC	256
207.199.190.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
206.246.99.0/24	AS54103	MOD Mission Critical, LLC	SOFTWARE VALLEY, INC.	256
45.88.121.0/24	AS54103	MOD Mission Critical, LLC	Mod Mission Critical LLC	256
134.202.24.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
66.78.14.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.107.4.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
64.6.182.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
216.107.49.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
40.183.85.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
206.246.97.0/24	AS54103	MOD Mission Critical, LLC	SOFTWARE SYSTEMS INCORPORATED	256
216.155.61.0/24	AS54103	MOD Mission Critical, LLC	INTERNET CAFE, INC.	256
40.27.11.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
64.6.176.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
134.202.27.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
207.199.158.0/24	AS54103	MOD Mission Critical, LLC	MOD Mission Critical, LLC	256
67.207.171.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
207.199.168.0/24	AS54103	MOD Mission Critical, LLC	Mod MC	256
206.246.85.0/24	AS54103	MOD Mission Critical, LLC	Micro Mediproducts	256
173.211.59.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
40.223.47.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	256
207.199.177.0/24	AS54103	MOD Mission Critical, LLC	Mod mission Critical	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


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

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

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

RTechHandle: KERSN1-ARIN
RTechName:   Kersnick, Tim 
RTechPhone:  +1-808-364-2454 
RTechEmail:  tim@modmc.net
RTechRef:    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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "54103",
    "as_handle" : "AS54103",
    "as_name" : "MODMC-54103-AS",
    "tech_contacts" : [ "KERSN1-ARIN", "HAWKI306-ARIN", "SAMAV-ARIN", "KERSN1-ARIN" ],
    "abuse_contacts" : [ "NOC32622-ARIN", "NOC32622-ARIN" ],
    "date_created" : "2015-05-06",
    "date_updated" : "2024-05-30",
    "source" : "https://rdap.arin.net/registry/autnum/54103"
  } ],
  "organization" : {
    "handle" : "MMC-196",
    "name" : "MOD Mission Critical, LLC",
    "address" : [ "4950 South Yosemite St.,", "Greenwood Village", "CO", "80111", "US" ],
    "street" : "South Yosemite St.",
    "city" : "Greenwood Village",
    "state" : "CO",
    "zip_code" : "80111",
    "country" : [ "US" ],
    "date_created" : "2014-04-09",
    "date_updated" : "2024-05-22",
    "source" : "https://rdap.arin.net/registry/entity/MMC-196",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "KERSN1-ARIN",
    "name" : "Kersnick, Tim",
    "email" : [ "tim@modmc.net" ],
    "phone" : [ "+1-808-364-2454" ],
    "source" : "https://rdap.arin.net/registry/entity/KERSN1-ARIN"
  }, {
    "handle" : "HAWKI306-ARIN",
    "name" : "Hawkins, Ryan",
    "email" : [ "RHawkins@bfwlaw.com" ],
    "phone" : [ "+1-303-796-2626" ],
    "source" : "https://rdap.arin.net/registry/entity/HAWKI306-ARIN"
  }, {
    "handle" : "SAMAV-ARIN",
    "name" : "Samavedula, Rama",
    "email" : [ "rama@modmc.net" ],
    "phone" : [ "+917207501528" ],
    "source" : "https://rdap.arin.net/registry/entity/SAMAV-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOC32622-ARIN",
    "name" : "NOC",
    "email" : [ "abuse@modmc.net" ],
    "phone" : [ "+1-808-364-2454" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32622-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6260	MOD Mission Critical, LLC	US
AS20055	Wholesail networks LLC	US
AS1239	Cogent Communications, LLC	US
AS286	GTT Communications Inc.	US
AS40061	UnitedLayer, LLC	US
AS174	Cogent Communications, LLC	US
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS852	TELUS Communications Inc.	CA
AS1299	Arelion Sweden AB	SE
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US
AS54004	Cablevision Lightpath LLC	US
AS6461	Zayo Bandwidth	US
AS7922	Comcast Cable Communications, LLC	US

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
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US
AS6461	Zayo Bandwidth	US
AS7922	Comcast Cable Communications, LLC	US

Downstreams

AS Number	Description	Country
AS40061	UnitedLayer, LLC	US

Contacts

Email Contacts

RHawkins@bfwlaw.com rama@modmc.net tim@modmc.net

Abuse Contacts

abuse@modmc.net

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