ASN AS11358 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11358?

AS11358 is listed under Tennant Software.

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.

AS11358 Tennant Software | IPGeolocation.io

ASN Lookup Tool

Tennant Software tennantsoftware.com

CA 4 Routes

AS Data

AS11358

AS11358 – Tennant Software

AS Number	11358
AS Name	TSC
Organization	Tennant Software (tsc-229)
Country	CA
Website	tennantsoftware.com
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2024-02-09

ASN Intelligence API for production workflows

Use ASN data for AS11358 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.186.184.0/24	AS11358	Tennant Software	Tennant Software	256
2602:f97e::/48	AS11358	Tennant Software	Tennant Software	~1×10²⁴
2602:f97e:1::/48	AS11358	Tennant Software	Tennant Software	~1×10²⁴
168.151.255.0/24	AS11358	Tennant Software	Tennant Software	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:       11358
ASName:         TSC
ASHandle:       AS11358
RegDate:        2024-02-09
Updated:        2026-04-17
Ref:            https://rdap.arin.net/registry/autnum/11358


OrgName:        Tennant Software
OrgId:          TSC-229
Address:        14B-1822 Whites Rd N
Address:        Suite 435
City:           Pickering
StateProv:      ON
PostalCode:     L1V 0B1
Country:        CA
RegDate:        2024-01-29
Updated:        2026-04-17
Ref:            https://rdap.arin.net/registry/entity/TSC-229


OrgDNSHandle: SYSTE820-ARIN
OrgDNSName:   System Administrator
OrgDNSPhone:  +1-905-550-2328 
OrgDNSEmail:  admin@tennantsoftware.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SYSTE820-ARIN

OrgAbuseHandle: SYSTE820-ARIN
OrgAbuseName:   System Administrator
OrgAbusePhone:  +1-905-550-2328 
OrgAbuseEmail:  admin@tennantsoftware.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SYSTE820-ARIN

OrgRoutingHandle: SYSTE820-ARIN
OrgRoutingName:   System Administrator
OrgRoutingPhone:  +1-905-550-2328 
OrgRoutingEmail:  admin@tennantsoftware.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SYSTE820-ARIN

OrgTechHandle: SYSTE820-ARIN
OrgTechName:   System Administrator
OrgTechPhone:  +1-905-550-2328 
OrgTechEmail:  admin@tennantsoftware.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SYSTE820-ARIN

OrgNOCHandle: SYSTE820-ARIN
OrgNOCName:   System Administrator
OrgNOCPhone:  +1-905-550-2328 
OrgNOCEmail:  admin@tennantsoftware.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SYSTE820-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" : "11358",
    "as_handle" : "AS11358",
    "as_name" : "TSC",
    "admin_contacts" : [ "SYSTE820-ARIN" ],
    "tech_contacts" : [ "SYSTE820-ARIN", "SYSTE820-ARIN" ],
    "abuse_contacts" : [ "SYSTE820-ARIN" ],
    "date_created" : "2024-02-09",
    "date_updated" : "2026-04-17",
    "source" : "https://rdap.arin.net/registry/autnum/11358"
  } ],
  "organization" : {
    "handle" : "TSC-229",
    "name" : "Tennant Software",
    "address" : [ "14B-1822 Whites Rd N", "Suite 435", "Pickering", "ON", "L1V0B1", "CA" ],
    "street" : "Whites Rd N",
    "city" : "Pickering",
    "state" : "ON",
    "zip_code" : "L1V0B1",
    "country" : [ "CA" ],
    "date_created" : "2024-01-29",
    "date_updated" : "2026-04-17",
    "source" : "https://rdap.arin.net/registry/entity/TSC-229",
    "addressCountry" : "CA"
  },
  "administrative_contacts" : [ {
    "handle" : "SYSTE820-ARIN",
    "name" : "System Administrator",
    "email" : [ "admin@tennantsoftware.com" ],
    "phone" : [ "+1-905-550-2328" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSTE820-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "SYSTE820-ARIN",
    "name" : "System Administrator",
    "email" : [ "admin@tennantsoftware.com" ],
    "phone" : [ "+1-905-550-2328" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSTE820-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "SYSTE820-ARIN",
    "name" : "System Administrator",
    "email" : [ "admin@tennantsoftware.com" ],
    "phone" : [ "+1-905-550-2328" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSTE820-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS213768	Thomas Neumann	DE
AS835	GoCodeIT Inc	CA
AS62513	GoCodeIT Inc	CA
AS34927	iFog GmbH	CH
AS6939	Hurricane Electric LLC	US
AS52112	Gentlent GmbH	DE
AS216182	Jorn Dullemans trading as Devcat	NL
AS210667	Adam Goodenough	GB
AS54148	Dynamic Quantum Networks	CA
AS19651	The Trusty Ledger Ltd.	CA

Upstreams

AS Number	Description	Country
AS835	GoCodeIT Inc	CA
AS6939	Hurricane Electric LLC	US