ASN AS6363 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS6363?

AS6363 is listed under Extreme Networks, Inc..

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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AS6363 Extreme Networks, Inc.

Extreme Networks, Inc. extremenetworks.com

US 10 Routes

AS Data

AS6363

AS6363 – Extreme Networks, Inc.

AS Number	6363
AS Name	EXTREME-NETWORKS
Organization	Extreme Networks, Inc. (extrem-33)
Country	US
Website	extremenetworks.com
Number of IPv4 Routes	4
Number of IPv6 Routes	6
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-03-20

ASN Intelligence API for production workflows

Use ASN data for AS6363 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2606:9fc0:e005::/48	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~1×10²⁴
134.141.4.0/24	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	256
2606:9fc0:e004::/48	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~1×10²⁴
2606:9fc0:d010::/47	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~2×10²⁴
2606:9fc0:f100::/40	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~309×10²⁴
2606:9fc0:e000::/47	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~2×10²⁴
134.141.204.0/23	AS0		Extreme Networks, Inc.	512
134.141.116.0/23	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	512
134.141.0.0/22	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	1024
2606:9fc0:f000::/40	AS6363	Extreme Networks, Inc.	Extreme Networks, Inc.	~309×10²⁴

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:       6363
ASName:         EXTREME-NETWORKS
ASHandle:       AS6363
RegDate:        1996-03-20
Updated:        2022-03-03
Ref:            https://rdap.arin.net/registry/autnum/6363


OrgName:        Extreme Networks, Inc.
OrgId:          EXTREM-33
Address:        2121 RDU Center Drive
City:           Morrisville
StateProv:      NC
PostalCode:     27560
Country:        US
RegDate:        1999-12-22
Updated:        2026-04-20
Ref:            https://rdap.arin.net/registry/entity/EXTREM-33


OrgDNSHandle: ACHAR22-ARIN
OrgDNSName:   Acharya, Lakshmeesha 
OrgDNSPhone:  +1-888-257-3000 
OrgDNSEmail:  lacharya@extremenetworks.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ACHAR22-ARIN

OrgDNSHandle: SHAST7-ARIN
OrgDNSName:   Shastry, Koushal 
OrgDNSPhone:  +1-888-257-3000 
OrgDNSEmail:  kshastrya@extremenetworks.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SHAST7-ARIN

OrgAbuseHandle: THOMA1765-ARIN
OrgAbuseName:   Thomas, Justin 
OrgAbusePhone:  +1-919-447-7307 
OrgAbuseEmail:  juthomas@extremenetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/THOMA1765-ARIN

OrgTechHandle: THOMA1765-ARIN
OrgTechName:   Thomas, Justin 
OrgTechPhone:  +1-919-447-7307 
OrgTechEmail:  juthomas@extremenetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/THOMA1765-ARIN

OrgRoutingHandle: RYUEL-ARIN
OrgRoutingName:   Ryu, Elca 
OrgRoutingPhone:  +1-408-579-3399 
OrgRoutingEmail:  eryu@extremenetworks.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RYUEL-ARIN

OrgNOCHandle: SHAST7-ARIN
OrgNOCName:   Shastry, Koushal 
OrgNOCPhone:  +1-888-257-3000 
OrgNOCEmail:  kshastrya@extremenetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SHAST7-ARIN

OrgRoutingHandle: ACHAR22-ARIN
OrgRoutingName:   Acharya, Lakshmeesha 
OrgRoutingPhone:  +1-888-257-3000 
OrgRoutingEmail:  lacharya@extremenetworks.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ACHAR22-ARIN

OrgTechHandle: ACHAR22-ARIN
OrgTechName:   Acharya, Lakshmeesha 
OrgTechPhone:  +1-888-257-3000 
OrgTechEmail:  lacharya@extremenetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ACHAR22-ARIN

OrgTechHandle: SHAST7-ARIN
OrgTechName:   Shastry, Koushal 
OrgTechPhone:  +1-888-257-3000 
OrgTechEmail:  kshastrya@extremenetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SHAST7-ARIN

OrgNOCHandle: THOMA1765-ARIN
OrgNOCName:   Thomas, Justin 
OrgNOCPhone:  +1-919-447-7307 
OrgNOCEmail:  juthomas@extremenetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/THOMA1765-ARIN

OrgAbuseHandle: SHAST7-ARIN
OrgAbuseName:   Shastry, Koushal 
OrgAbusePhone:  +1-888-257-3000 
OrgAbuseEmail:  kshastrya@extremenetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SHAST7-ARIN

OrgDNSHandle: THOMA1765-ARIN
OrgDNSName:   Thomas, Justin 
OrgDNSPhone:  +1-919-447-7307 
OrgDNSEmail:  juthomas@extremenetworks.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/THOMA1765-ARIN

OrgNOCHandle: RYUEL-ARIN
OrgNOCName:   Ryu, Elca 
OrgNOCPhone:  +1-408-579-3399 
OrgNOCEmail:  eryu@extremenetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RYUEL-ARIN

OrgAbuseHandle: ACHAR22-ARIN
OrgAbuseName:   Acharya, Lakshmeesha 
OrgAbusePhone:  +1-888-257-3000 
OrgAbuseEmail:  lacharya@extremenetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ACHAR22-ARIN

OrgRoutingHandle: SHAST7-ARIN
OrgRoutingName:   Shastry, Koushal 
OrgRoutingPhone:  +1-888-257-3000 
OrgRoutingEmail:  kshastrya@extremenetworks.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SHAST7-ARIN

OrgDNSHandle: RYUEL-ARIN
OrgDNSName:   Ryu, Elca 
OrgDNSPhone:  +1-408-579-3399 
OrgDNSEmail:  eryu@extremenetworks.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RYUEL-ARIN

OrgNOCHandle: ACHAR22-ARIN
OrgNOCName:   Acharya, Lakshmeesha 
OrgNOCPhone:  +1-888-257-3000 
OrgNOCEmail:  lacharya@extremenetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ACHAR22-ARIN

OrgAbuseHandle: RYUEL-ARIN
OrgAbuseName:   Ryu, Elca 
OrgAbusePhone:  +1-408-579-3399 
OrgAbuseEmail:  eryu@extremenetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RYUEL-ARIN

OrgRoutingHandle: THOMA1765-ARIN
OrgRoutingName:   Thomas, Justin 
OrgRoutingPhone:  +1-919-447-7307 
OrgRoutingEmail:  juthomas@extremenetworks.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/THOMA1765-ARIN

OrgTechHandle: RYUEL-ARIN
OrgTechName:   Ryu, Elca 
OrgTechPhone:  +1-408-579-3399 
OrgTechEmail:  eryu@extremenetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RYUEL-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" : "6363",
    "as_handle" : "AS6363",
    "as_name" : "EXTREME-NETWORKS",
    "admin_contacts" : [ "ACHAR22-ARIN", "SHAST7-ARIN", "THOMA1765-ARIN", "RYUEL-ARIN" ],
    "tech_contacts" : [ "THOMA1765-ARIN", "RYUEL-ARIN", "ACHAR22-ARIN", "ACHAR22-ARIN", "SHAST7-ARIN", "SHAST7-ARIN", "THOMA1765-ARIN", "RYUEL-ARIN" ],
    "abuse_contacts" : [ "THOMA1765-ARIN", "SHAST7-ARIN", "ACHAR22-ARIN", "RYUEL-ARIN" ],
    "date_created" : "1996-03-20",
    "date_updated" : "2022-03-03",
    "source" : "https://rdap.arin.net/registry/autnum/6363"
  } ],
  "organization" : {
    "handle" : "EXTREM-33",
    "name" : "Extreme Networks, Inc.",
    "address" : [ "2121 RDU Center Drive", "Morrisville", "NC", "27560", "US" ],
    "street" : "Rdu Center Drive",
    "city" : "Morrisville",
    "state" : "NC",
    "zip_code" : "27560",
    "country" : [ "US" ],
    "date_created" : "1999-12-22",
    "date_updated" : "2026-04-20",
    "source" : "https://rdap.arin.net/registry/entity/EXTREM-33",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "ACHAR22-ARIN",
    "name" : "Acharya, Lakshmeesha",
    "email" : [ "lacharya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/ACHAR22-ARIN"
  }, {
    "handle" : "SHAST7-ARIN",
    "name" : "Shastry, Koushal",
    "email" : [ "kshastrya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/SHAST7-ARIN"
  }, {
    "handle" : "THOMA1765-ARIN",
    "name" : "Thomas, Justin",
    "email" : [ "juthomas@extremenetworks.com" ],
    "phone" : [ "+1-919-447-7307" ],
    "source" : "https://rdap.arin.net/registry/entity/THOMA1765-ARIN"
  }, {
    "handle" : "RYUEL-ARIN",
    "name" : "Ryu, Elca",
    "email" : [ "eryu@extremenetworks.com" ],
    "phone" : [ "+1-408-579-3399" ],
    "source" : "https://rdap.arin.net/registry/entity/RYUEL-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "THOMA1765-ARIN",
    "name" : "Thomas, Justin",
    "email" : [ "juthomas@extremenetworks.com" ],
    "phone" : [ "+1-919-447-7307" ],
    "source" : "https://rdap.arin.net/registry/entity/THOMA1765-ARIN"
  }, {
    "handle" : "RYUEL-ARIN",
    "name" : "Ryu, Elca",
    "email" : [ "eryu@extremenetworks.com" ],
    "phone" : [ "+1-408-579-3399" ],
    "source" : "https://rdap.arin.net/registry/entity/RYUEL-ARIN"
  }, {
    "handle" : "ACHAR22-ARIN",
    "name" : "Acharya, Lakshmeesha",
    "email" : [ "lacharya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/ACHAR22-ARIN"
  }, {
    "handle" : "SHAST7-ARIN",
    "name" : "Shastry, Koushal",
    "email" : [ "kshastrya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/SHAST7-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "THOMA1765-ARIN",
    "name" : "Thomas, Justin",
    "email" : [ "juthomas@extremenetworks.com" ],
    "phone" : [ "+1-919-447-7307" ],
    "source" : "https://rdap.arin.net/registry/entity/THOMA1765-ARIN"
  }, {
    "handle" : "SHAST7-ARIN",
    "name" : "Shastry, Koushal",
    "email" : [ "kshastrya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/SHAST7-ARIN"
  }, {
    "handle" : "ACHAR22-ARIN",
    "name" : "Acharya, Lakshmeesha",
    "email" : [ "lacharya@extremenetworks.com" ],
    "phone" : [ "+1-888-257-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/ACHAR22-ARIN"
  }, {
    "handle" : "RYUEL-ARIN",
    "name" : "Ryu, Elca",
    "email" : [ "eryu@extremenetworks.com" ],
    "phone" : [ "+1-408-579-3399" ],
    "source" : "https://rdap.arin.net/registry/entity/RYUEL-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS45820	Tata Teleservices ISP AS	IN
AS46887	Crown Castle Fiber LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS45820	TTSL ISP DIVISION	IN
AS4637	Telstra International Limited	HK
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS8220	COLT Technology Services Group Limited	GB
AS45820	TTSL ISP DIVISION	IN
AS4637	Telstra International Limited	HK
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

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