What is ASN AS398223?

ASN AS398223 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398223?

AS398223 is listed under Pomona Consulting 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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AS398223 Pomona Consulting LLC

ASN Lookup Tool

Pomona Consulting LLC pomonaconsulting.com

US 10 Routes

AS Data

AS398223

AS398223 – Pomona Consulting LLC

AS Number	398223
AS Name	POMONA-01
Organization	Pomona Consulting LLC (pcl-341)
Country	US
Website	pomonaconsulting.com
Number of IPv4 Routes	4
Number of IPv6 Routes	6
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-12-13

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Use ASN data for AS398223 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2602:803:4075::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴
104.250.234.0/24	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	256
2602:803:4070::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴
104.250.233.0/24	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	256
104.250.232.0/24	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	256
2602:803:4071::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴
23.149.16.0/24	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	256
2602:803:4072::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴
2602:803:4073::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴
2602:803:4077::/48	AS398223	Pomona Consulting LLC	Pomona Consulting LLC	~1×10²⁴

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:       398223
ASName:         POMONA-01
ASHandle:       AS398223
RegDate:        2019-12-13
Updated:        2022-03-28
Ref:            https://rdap.arin.net/registry/autnum/398223


OrgName:        Pomona Consulting LLC
OrgId:          PCL-341
Address:        PO Box 9925
City:           Seattle
StateProv:      WA
PostalCode:     98109
Country:        US
RegDate:        2019-12-10
Updated:        2021-07-06
Ref:            https://rdap.arin.net/registry/entity/PCL-341


OrgAbuseHandle: TECHN1690-ARIN
OrgAbuseName:   Technical Contact
OrgAbusePhone:  +1-330-671-8592 
OrgAbuseEmail:  hostmaster@pomonaconsulting.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHN1690-ARIN

OrgTechHandle: TECHN1690-ARIN
OrgTechName:   Technical Contact
OrgTechPhone:  +1-330-671-8592 
OrgTechEmail:  hostmaster@pomonaconsulting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1690-ARIN

OrgNOCHandle: TECHN1690-ARIN
OrgNOCName:   Technical Contact
OrgNOCPhone:  +1-330-671-8592 
OrgNOCEmail:  hostmaster@pomonaconsulting.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHN1690-ARIN

OrgRoutingHandle: TECHN1690-ARIN
OrgRoutingName:   Technical Contact
OrgRoutingPhone:  +1-330-671-8592 
OrgRoutingEmail:  hostmaster@pomonaconsulting.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TECHN1690-ARIN

OrgDNSHandle: TECHN1690-ARIN
OrgDNSName:   Technical Contact
OrgDNSPhone:  +1-330-671-8592 
OrgDNSEmail:  hostmaster@pomonaconsulting.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TECHN1690-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" : "398223",
    "as_handle" : "AS398223",
    "as_name" : "POMONA-01",
    "admin_contacts" : [ "TECHN1690-ARIN" ],
    "tech_contacts" : [ "TECHN1690-ARIN", "TECHN1690-ARIN" ],
    "abuse_contacts" : [ "TECHN1690-ARIN" ],
    "date_created" : "2019-12-13",
    "date_updated" : "2022-03-28",
    "source" : "https://rdap.arin.net/registry/autnum/398223"
  } ],
  "organization" : {
    "handle" : "PCL-341",
    "name" : "Pomona Consulting LLC",
    "address" : [ "PO Box 9925", "Seattle", "WA", "98109", "US" ],
    "city" : "Seattle",
    "state" : "WA",
    "zip_code" : "98109",
    "country" : [ "US" ],
    "date_created" : "2019-12-10",
    "date_updated" : "2021-07-06",
    "source" : "https://rdap.arin.net/registry/entity/PCL-341",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "TECHN1690-ARIN",
    "name" : "Technical Contact",
    "email" : [ "hostmaster@pomonaconsulting.com" ],
    "phone" : [ "+1-330-671-8592" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN1690-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "TECHN1690-ARIN",
    "name" : "Technical Contact",
    "email" : [ "hostmaster@pomonaconsulting.com" ],
    "phone" : [ "+1-330-671-8592" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN1690-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TECHN1690-ARIN",
    "name" : "Technical Contact",
    "email" : [ "hostmaster@pomonaconsulting.com" ],
    "phone" : [ "+1-330-671-8592" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN1690-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS3786	LG DACOM Corporation	KR
AS20326	TeraSwitch Networks Inc.	US
AS393577	Tritan Development	US
AS34927	iFog GmbH	CH
AS401703	Ordinal Advisors LLC	US
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US
AS64289	Macarne.com	US

Upstreams

AS Number	Description	Country
AS18530	Isomedia, Inc.	US
AS20326	TeraSwitch Networks Inc.	US
AS7575	Australian Academic and Research Network	AU
AS394256	Tech Futures Interactive Inc.	CA
AS9002	RETN Limited	GB
AS6939	Hurricane Electric LLC	US
AS20473	The Constant Company, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS4213	Krypt Technologies	US