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AS18933 T Mobile USA, Inc. | IPGeolocation.io

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

T Mobile USA, Inc. t-mobile.com

US 14 Routes

AS Data

AS18933

AS18933 – T Mobile USA, Inc.

AS Number	18933
AS Name	USCC-MPLS01
Organization	T Mobile USA, Inc. (tmobi)
Country	US
Website	t-mobile.com
Number of IPv4 Routes	14
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2007-04-17

ASN Intelligence API for production workflows

Use ASN data for AS18933 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
166.182.160.0/20	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	4096
198.227.60.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	256
166.224.192.0/19	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	8192
198.227.57.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	256
166.181.160.0/20	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	4096
198.227.189.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	256
166.182.0.0/16	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	65536
165.27.253.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	256
198.227.61.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	256
165.27.248.0/24	AS18933	T Mobile USA, Inc.	T Mobile USA, Inc.	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:       18933
ASName:         USCC-MPLS01
ASHandle:       AS18933
RegDate:        2007-04-17
Updated:        2025-09-11
Ref:            https://rdap.arin.net/registry/autnum/18933



OrgName:        T-Mobile USA, Inc.
OrgId:          TMOBI
Address:        12920 SE 38th Street
City:           Bellevue
StateProv:      WA
PostalCode:     98006
Country:        US
RegDate:        2003-01-02
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/TMOBI


OrgAbuseHandle: ABUSE4857-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-888-662-4662 
OrgAbuseEmail:  abuse@t-mobile.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4857-ARIN

OrgTechHandle: DNSAD11-ARIN
OrgTechName:   DNS Administrators
OrgTechPhone:  +1-888-662-4662 
OrgTechEmail:  ARINtechcontact@t-mobile.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD11-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" : "18933",
    "as_handle" : "AS18933",
    "as_name" : "USCC-MPLS01",
    "tech_contacts" : [ "DNSAD11-ARIN" ],
    "abuse_contacts" : [ "ABUSE4857-ARIN" ],
    "date_created" : "2007-04-17",
    "date_updated" : "2025-09-11",
    "source" : "https://rdap.arin.net/registry/autnum/18933"
  } ],
  "organization" : {
    "handle" : "TMOBI",
    "name" : "T-Mobile USA, Inc.",
    "address" : [ "12920 SE 38th Street", "Bellevue", "WA", "98006", "US" ],
    "street" : "Se 38th Street",
    "city" : "Bellevue",
    "state" : "WA",
    "zip_code" : "98006",
    "country" : [ "US" ],
    "date_created" : "2003-01-02",
    "date_updated" : "2017-01-28",
    "source" : "https://rdap.arin.net/registry/entity/TMOBI",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "DNSAD11-ARIN",
    "name" : "DNS Administrators",
    "email" : [ "ARINtechcontact@t-mobile.com" ],
    "phone" : [ "+1-888-662-4662" ],
    "source" : "https://rdap.arin.net/registry/entity/DNSAD11-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE4857-ARIN",
    "name" : "abuse",
    "email" : [ "abuse@t-mobile.com" ],
    "phone" : [ "+1-888-662-4662" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE4857-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6614	T Mobile USA, Inc.	US
AS6614	T-Mobile USA, Inc.	US

Upstreams

AS Number	Description	Country
AS6614	T Mobile USA, Inc.	US

Contacts

Email Contacts

ARINtechcontact@t-mobile.com

Abuse Contacts

abuse@t-mobile.com

Frequently Asked Questions

What is ASN AS18933?

ASN AS18933 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18933?

AS18933 is listed under T Mobile USA, 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.