What is ASN AS398581?

ASN AS398581 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398581?

AS398581 is listed under CyberMaxx 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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AS398581 CyberMaxx LLC | IPGeolocation.io

ASN Lookup Tool

CyberMaxx LLC cybermaxx.com

US 2 Routes

AS Data

AS398581

AS398581 – CyberMaxx LLC

AS Number	398581
AS Name	CYBERMAXX-01
Organization	CyberMaxx LLC (cl-2349)
Country	US
Website	cybermaxx.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-11-30

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
163.123.199.0/24	AS398581	CyberMaxx LLC	CyberMaxx LLC	256
163.123.198.0/24	AS398581	CyberMaxx LLC	CyberMaxx LLC	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:       398581
ASName:         CYBERMAXX-01
ASHandle:       AS398581
RegDate:        2020-11-30
Updated:        2025-12-11
Ref:            https://rdap.arin.net/registry/autnum/398581


OrgName:        CyberMaxx LLC
OrgId:          CL-2349
Address:        901 Elkridge Landing Rd Suite 400
City:           Linthicum Heights
StateProv:      MD
PostalCode:     21090
Country:        US
RegDate:        2025-11-11
Updated:        2025-11-21
Ref:            https://rdap.arin.net/registry/entity/CL-2349


OrgAbuseHandle: JHW41-ARIN
OrgAbuseName:   Wallis, Joseph Heath
OrgAbusePhone:  +1-212-897-6900 
OrgAbuseEmail:  hwallis@cybermaxx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JHW41-ARIN

OrgTechHandle: DUBBS-ARIN
OrgTechName:   Dubbs, Steve 
OrgTechPhone:  +1-312-638-0020 
OrgTechEmail:  sdubbs@cybermaxx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DUBBS-ARIN

OrgAbuseHandle: BEREZ7-ARIN
OrgAbuseName:   Berezhnyi, Maksym 
OrgAbusePhone:  +1-239-298-9410 
OrgAbuseEmail:  maksym@cybermaxx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BEREZ7-ARIN

OrgNOCHandle: DUBBS-ARIN
OrgNOCName:   Dubbs, Steve 
OrgNOCPhone:  +1-312-638-0020 
OrgNOCEmail:  sdubbs@cybermaxx.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DUBBS-ARIN

OrgNOCHandle: JHW41-ARIN
OrgNOCName:   Wallis, Joseph Heath
OrgNOCPhone:  +1-212-897-6900 
OrgNOCEmail:  hwallis@cybermaxx.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/JHW41-ARIN

OrgRoutingHandle: DUBBS-ARIN
OrgRoutingName:   Dubbs, Steve 
OrgRoutingPhone:  +1-312-638-0020 
OrgRoutingEmail:  sdubbs@cybermaxx.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DUBBS-ARIN

OrgTechHandle: JHW41-ARIN
OrgTechName:   Wallis, Joseph Heath
OrgTechPhone:  +1-212-897-6900 
OrgTechEmail:  hwallis@cybermaxx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JHW41-ARIN

OrgDNSHandle: JHW41-ARIN
OrgDNSName:   Wallis, Joseph Heath
OrgDNSPhone:  +1-212-897-6900 
OrgDNSEmail:  hwallis@cybermaxx.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/JHW41-ARIN

OrgRoutingHandle: JHW41-ARIN
OrgRoutingName:   Wallis, Joseph Heath
OrgRoutingPhone:  +1-212-897-6900 
OrgRoutingEmail:  hwallis@cybermaxx.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/JHW41-ARIN

OrgTechHandle: BEREZ7-ARIN
OrgTechName:   Berezhnyi, Maksym 
OrgTechPhone:  +1-239-298-9410 
OrgTechEmail:  maksym@cybermaxx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BEREZ7-ARIN

OrgDNSHandle: BEREZ7-ARIN
OrgDNSName:   Berezhnyi, Maksym 
OrgDNSPhone:  +1-239-298-9410 
OrgDNSEmail:  maksym@cybermaxx.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/BEREZ7-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" : "398581",
    "as_handle" : "AS398581",
    "as_name" : "CYBERMAXX-01",
    "admin_contacts" : [ "JHW41-ARIN", "BEREZ7-ARIN" ],
    "tech_contacts" : [ "DUBBS-ARIN", "DUBBS-ARIN", "JHW41-ARIN", "JHW41-ARIN", "BEREZ7-ARIN" ],
    "abuse_contacts" : [ "JHW41-ARIN", "BEREZ7-ARIN" ],
    "date_created" : "2020-11-30",
    "date_updated" : "2025-12-11",
    "source" : "https://rdap.arin.net/registry/autnum/398581"
  } ],
  "organization" : {
    "handle" : "CL-2349",
    "name" : "CyberMaxx LLC",
    "address" : [ "901 Elkridge Landing Rd Suite 400", "Linthicum Heights", "MD", "21090", "US" ],
    "street" : "Elkridge Landing Rd",
    "city" : "Linthicum Heights",
    "state" : "MD",
    "zip_code" : "21090",
    "country" : [ "US" ],
    "date_created" : "2025-11-11",
    "date_updated" : "2025-11-21",
    "source" : "https://rdap.arin.net/registry/entity/CL-2349",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "JHW41-ARIN",
    "name" : "Wallis, Joseph Heath",
    "email" : [ "hwallis@cybermaxx.com" ],
    "phone" : [ "+1-212-897-6900" ],
    "source" : "https://rdap.arin.net/registry/entity/JHW41-ARIN"
  }, {
    "handle" : "BEREZ7-ARIN",
    "name" : "Berezhnyi, Maksym",
    "email" : [ "maksym@cybermaxx.com" ],
    "phone" : [ "+1-239-298-9410" ],
    "source" : "https://rdap.arin.net/registry/entity/BEREZ7-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "DUBBS-ARIN",
    "name" : "Dubbs, Steve",
    "email" : [ "sdubbs@cybermaxx.com" ],
    "phone" : [ "+1-312-638-0020" ],
    "source" : "https://rdap.arin.net/registry/entity/DUBBS-ARIN"
  }, {
    "handle" : "JHW41-ARIN",
    "name" : "Wallis, Joseph Heath",
    "email" : [ "hwallis@cybermaxx.com" ],
    "phone" : [ "+1-212-897-6900" ],
    "source" : "https://rdap.arin.net/registry/entity/JHW41-ARIN"
  }, {
    "handle" : "BEREZ7-ARIN",
    "name" : "Berezhnyi, Maksym",
    "email" : [ "maksym@cybermaxx.com" ],
    "phone" : [ "+1-239-298-9410" ],
    "source" : "https://rdap.arin.net/registry/entity/BEREZ7-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JHW41-ARIN",
    "name" : "Wallis, Joseph Heath",
    "email" : [ "hwallis@cybermaxx.com" ],
    "phone" : [ "+1-212-897-6900" ],
    "source" : "https://rdap.arin.net/registry/entity/JHW41-ARIN"
  }, {
    "handle" : "BEREZ7-ARIN",
    "name" : "Berezhnyi, Maksym",
    "email" : [ "maksym@cybermaxx.com" ],
    "phone" : [ "+1-239-298-9410" ],
    "source" : "https://rdap.arin.net/registry/entity/BEREZ7-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS17378	TierPoint, LLC	US

Upstreams

AS Number	Description	Country
AS17378	TierPoint, LLC	US