ASN AS10421 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10421?

AS10421 is listed under Texas Tech University.

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.

AS10421 Texas Tech University

ASN Lookup Tool

Texas Tech University ttu.edu

US 4 Routes

AS Data

AS10421

AS10421 – Texas Tech University

AS Number	10421
AS Name	TTUNET
Organization	Texas Tech University (ttu-1-z)
Country	US
Website	ttu.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1997-07-31

ASN Intelligence API for production workflows

Use ASN data for AS10421 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.58.125.0/24	AS10421	Texas Tech University	Texas Tech University	256
69.65.192.0/18	AS10421	Texas Tech University	Texas Tech University	16384
66.140.111.0/24	AS10421	Texas Tech University	Texas Tech University	256
129.118.0.0/16	AS10421	Texas Tech University	Texas Tech University	65536

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:       10421
ASName:         TTUNET
ASHandle:       AS10421
RegDate:        1997-07-31
Updated:        2016-04-18
Ref:            https://rdap.arin.net/registry/autnum/10421


OrgName:        Texas Tech University
OrgId:          TTU-1-Z
Address:        Telecommunications Department
Address:        2500 Broadway
City:           Lubbock
StateProv:      TX
PostalCode:     79409
Country:        US
RegDate:        2011-03-07
Updated:        2025-11-20
Ref:            https://rdap.arin.net/registry/entity/TTU-1-Z


OrgNOCHandle: NOC1620-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-806-742-4858 
OrgNOCEmail:  noc@ttu.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC1620-ARIN

OrgTechHandle: NOC1620-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-806-742-4858 
OrgTechEmail:  noc@ttu.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC1620-ARIN

OrgAbuseHandle: NOC1620-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-806-742-4858 
OrgAbuseEmail:  noc@ttu.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC1620-ARIN

RNOCHandle: NOC1620-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-806-742-4858 
RNOCEmail:  noc@ttu.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NOC1620-ARIN

RTechHandle: NOC1620-ARIN
RTechName:   Network Operations Center
RTechPhone:  +1-806-742-4858 
RTechEmail:  noc@ttu.edu
RTechRef:    https://rdap.arin.net/registry/entity/NOC1620-ARIN

RAbuseHandle: NOC1620-ARIN
RAbuseName:   Network Operations Center
RAbusePhone:  +1-806-742-4858 
RAbuseEmail:  noc@ttu.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/NOC1620-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" : "10421",
    "as_handle" : "AS10421",
    "as_name" : "TTUNET",
    "tech_contacts" : [ "NOC1620-ARIN", "NOC1620-ARIN" ],
    "abuse_contacts" : [ "NOC1620-ARIN", "NOC1620-ARIN" ],
    "date_created" : "1997-07-31",
    "date_updated" : "2016-04-18",
    "source" : "https://rdap.arin.net/registry/autnum/10421"
  } ],
  "organization" : {
    "handle" : "TTU-1-Z",
    "name" : "Texas Tech University",
    "address" : [ "Telecommunications Department", "2500 Broadway", "Lubbock", "TX", "79409", "US" ],
    "street" : "Broadway",
    "city" : "Lubbock",
    "state" : "TX",
    "zip_code" : "79409",
    "country" : [ "US" ],
    "date_created" : "2011-03-07",
    "date_updated" : "2025-11-20",
    "source" : "https://rdap.arin.net/registry/entity/TTU-1-Z",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NOC1620-ARIN",
    "name" : "Network Operations Center",
    "email" : [ "noc@ttu.edu" ],
    "phone" : [ "+1-806-742-4858" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC1620-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOC1620-ARIN",
    "name" : "Network Operations Center",
    "email" : [ "noc@ttu.edu" ],
    "phone" : [ "+1-806-742-4858" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC1620-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS22645	LEARN	US
AS16905	LEARN	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS22645	LEARN	US
AS16905	LEARN	US