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AS21703 JEFO | IPGeolocation.io

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

JEFO jefo.ca

CA 1 Routes

AS Data

AS21703

AS21703 – JEFO

AS Number	21703
AS Name	JEFO
Organization	JEFO (aj-96)
Country	CA
Website	jefo.ca
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2019-01-15

ASN Intelligence API for production workflows

Use ASN data for AS21703 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.130.248.0/24	AS21703	JEFO	JEFO	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:       21703
ASName:         JEFO
ASHandle:       AS21703
RegDate:        2019-01-15
Updated:        2019-01-15
Ref:            https://rdap.arin.net/registry/autnum/21703


OrgName:        JEFO
OrgId:          AJ-96
Address:        5020 avenue JEFO
City:           Saint-Hyacinthe
StateProv:      QC
PostalCode:     J2R 2E7
Country:        CA
RegDate:        2018-12-06
Updated:        2018-12-06
Ref:            https://rdap.arin.net/registry/entity/AJ-96


OrgTechHandle: DESRO12-ARIN
OrgTechName:   Desroches, Ken 
OrgTechPhone:  +1-888-880-0351 
OrgTechEmail:  ken.desroches@secureip.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/DESRO12-ARIN

OrgAbuseHandle: ROSEY-ARIN
OrgAbuseName:   Rose, Yannick 
OrgAbusePhone:  +1-450-799-2000 
OrgAbuseEmail:  yrose@jefo.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROSEY-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" : "21703",
    "as_handle" : "AS21703",
    "as_name" : "JEFO",
    "tech_contacts" : [ "DESRO12-ARIN" ],
    "abuse_contacts" : [ "ROSEY-ARIN" ],
    "date_created" : "2019-01-15",
    "date_updated" : "2019-01-15",
    "source" : "https://rdap.arin.net/registry/autnum/21703"
  } ],
  "organization" : {
    "handle" : "AJ-96",
    "name" : "JEFO",
    "address" : [ "5020 avenue JEFO", "Saint-Hyacinthe", "QC", "J2R2E7", "CA" ],
    "street" : "Avenue Jefo",
    "city" : "J2r2e7",
    "state" : "CA",
    "country" : [ "CA" ],
    "date_created" : "2018-12-06",
    "date_updated" : "2018-12-06",
    "source" : "https://rdap.arin.net/registry/entity/AJ-96"
  },
  "technical_contacts" : [ {
    "handle" : "DESRO12-ARIN",
    "name" : "Desroches, Ken",
    "email" : [ "ken.desroches@secureip.ca" ],
    "phone" : [ "+1-888-880-0351" ],
    "source" : "https://rdap.arin.net/registry/entity/DESRO12-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ROSEY-ARIN",
    "name" : "Rose, Yannick",
    "email" : [ "yrose@jefo.ca" ],
    "phone" : [ "+1-450-799-2000" ],
    "source" : "https://rdap.arin.net/registry/entity/ROSEY-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS11290	Cogeco Connexion inc	CA
AS15321	Groupe Maskatel	CA

Upstreams

AS Number	Description	Country
AS11290	Cogeco Connexion inc	CA
AS15321	Groupe Maskatel	CA

Frequently Asked Questions

What is ASN AS21703?

ASN AS21703 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21703?

AS21703 is listed under JEFO.

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.