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AS6481 Southwest Research Institute

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

Southwest Research Institute swri.org

US 2 Routes

AS Data

AS6481

AS6481 – Southwest Research Institute

AS Number	6481
AS Name	SWRI
Organization	Southwest Research Institute (sri-5)
Country	US
Website	swri.org
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-04-29

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:14::/48	AS6481	Southwest Research Institute	Southwest Research Institute	~1×10²⁴
129.162.0.0/16	AS6481	Southwest Research Institute	Southwest Research Institute	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:       6481
ASName:         SWRI
ASHandle:       AS6481
RegDate:        1996-04-29
Updated:        2025-09-30
Ref:            https://rdap.arin.net/registry/autnum/6481


OrgName:        Southwest Research Institute
OrgId:          SRI-5
Address:        6220 Culebra Road, Dept. 32
Address:        P.O. Drawer 28510
City:           San Antonio
StateProv:      TX
PostalCode:     78228-0510
Country:        US
RegDate:        1988-01-04
Updated:        2025-10-13
Ref:            https://rdap.arin.net/registry/entity/SRI-5


OrgDNSHandle: MBG5-ARIN
OrgDNSName:   Gerard, Michael Brandon
OrgDNSPhone:  +1-210-522-6629 
OrgDNSEmail:  brandon.gerard@swri.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN

OrgTechHandle: HEBER124-ARIN
OrgTechName:   Hebert, Todd 
OrgTechPhone:  +1-210-522-6591 
OrgTechEmail:  todd.hebert@swri.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HEBER124-ARIN

OrgTechHandle: MBG5-ARIN
OrgTechName:   Gerard, Michael Brandon
OrgTechPhone:  +1-210-522-6629 
OrgTechEmail:  brandon.gerard@swri.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN

OrgAbuseHandle: HEBER124-ARIN
OrgAbuseName:   Hebert, Todd 
OrgAbusePhone:  +1-210-522-6591 
OrgAbuseEmail:  todd.hebert@swri.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEBER124-ARIN

RTechHandle: HEBER124-ARIN
RTechName:   Hebert, Todd 
RTechPhone:  +1-210-522-6591 
RTechEmail:  todd.hebert@swri.org
RTechRef:    https://rdap.arin.net/registry/entity/HEBER124-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" : "6481",
    "as_handle" : "AS6481",
    "as_name" : "SWRI",
    "admin_contacts" : [ "MBG5-ARIN" ],
    "tech_contacts" : [ "HEBER124-ARIN", "MBG5-ARIN", "HEBER124-ARIN" ],
    "abuse_contacts" : [ "HEBER124-ARIN" ],
    "date_created" : "1996-04-29",
    "date_updated" : "2025-09-30",
    "source" : "https://rdap.arin.net/registry/autnum/6481"
  } ],
  "organization" : {
    "handle" : "SRI-5",
    "name" : "Southwest Research Institute",
    "address" : [ "6220 Culebra Road, Dept. 32", "P.O. Drawer 28510", "San Antonio", "TX", "78228-0510", "US" ],
    "street" : "P.o. Drawer 28510",
    "city" : "San Antonio",
    "state" : "TX",
    "zip_code" : "78228-0510",
    "country" : [ "US" ],
    "date_created" : "1988-01-04",
    "date_updated" : "2025-10-13",
    "source" : "https://rdap.arin.net/registry/entity/SRI-5",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "MBG5-ARIN",
    "name" : "Gerard, Michael Brandon",
    "email" : [ "brandon.gerard@swri.org" ],
    "phone" : [ "+1-210-522-6629" ],
    "source" : "https://rdap.arin.net/registry/entity/MBG5-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "HEBER124-ARIN",
    "name" : "Hebert, Todd",
    "email" : [ "todd.hebert@swri.org" ],
    "phone" : [ "+1-210-522-6591" ],
    "source" : "https://rdap.arin.net/registry/entity/HEBER124-ARIN"
  }, {
    "handle" : "MBG5-ARIN",
    "name" : "Gerard, Michael Brandon",
    "email" : [ "brandon.gerard@swri.org" ],
    "phone" : [ "+1-210-522-6629" ],
    "source" : "https://rdap.arin.net/registry/entity/MBG5-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HEBER124-ARIN",
    "name" : "Hebert, Todd",
    "email" : [ "todd.hebert@swri.org" ],
    "phone" : [ "+1-210-522-6591" ],
    "source" : "https://rdap.arin.net/registry/entity/HEBER124-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS11427	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS6461	Zayo Bandwidth	US
AS11427	Charter Communications Inc	US

Frequently Asked Questions

What is ASN AS6481?

ASN AS6481 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS6481?

AS6481 is listed under Southwest Research Institute.

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.