What is ASN AS394444?

ASN AS394444 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394444?

AS394444 is listed under Jefferson Radiology, P.C..

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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AS394444 Jefferson Radiology, P.C.

ASN Lookup Tool

Jefferson Radiology, P.C. jeffersonradiology.com

US 1 Routes

AS Data

AS394444

AS394444 – Jefferson Radiology, P.C.

AS Number	394444
AS Name	ASNJEFFXDC01
Organization	Jefferson Radiology, P.C. (jr-76)
Country	US
Website	jeffersonradiology.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-09-10

ASN Intelligence API for production workflows

Use ASN data for AS394444 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
207.89.58.0/24	AS394444	Jefferson Radiology, P.C.	Jefferson Radiology, P.C.	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:       394444
ASName:         ASNJEFFXDC01
ASHandle:       AS394444
RegDate:        2015-09-10
Updated:        2026-11-05
Ref:            https://rdap.arin.net/registry/autnum/394444


OrgName:        Jefferson Radiology, P.C.
OrgId:          JR-76
Address:        111 Founders Plaza
City:           East Hartford
StateProv:      CT
PostalCode:     06108
Country:        US
RegDate:        2015-07-29
Updated:        2026-11-04
Ref:            https://rdap.arin.net/registry/entity/JR-76


OrgAbuseHandle: ARINA360-ARIN
OrgAbuseName:   ARIN ADMIN
OrgAbusePhone:  +1-424-290-8004 
OrgAbuseEmail:  ron.huskey@radpartners.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

OrgTechHandle: ARINA360-ARIN
OrgTechName:   ARIN ADMIN
OrgTechPhone:  +1-424-290-8004 
OrgTechEmail:  ron.huskey@radpartners.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

OrgAbuseHandle: TMA288-ARIN
OrgAbuseName:   Marques, Tony 
OrgAbusePhone:  +1-860-291-6519 
OrgAbuseEmail:  tmarques@jeffersonradiology.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TMA288-ARIN

OrgNOCHandle: TMA288-ARIN
OrgNOCName:   Marques, Tony 
OrgNOCPhone:  +1-860-291-6519 
OrgNOCEmail:  tmarques@jeffersonradiology.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TMA288-ARIN

OrgTechHandle: TMA288-ARIN
OrgTechName:   Marques, Tony 
OrgTechPhone:  +1-860-291-6519 
OrgTechEmail:  tmarques@jeffersonradiology.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TMA288-ARIN

OrgDNSHandle: ARINA360-ARIN
OrgDNSName:   ARIN ADMIN
OrgDNSPhone:  +1-424-290-8004 
OrgDNSEmail:  ron.huskey@radpartners.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

OrgRoutingHandle: ADMIN9158-ARIN
OrgRoutingName:   Administrator
OrgRoutingPhone:  +1-424-290-8004 
OrgRoutingEmail:  eric.bradford@radpartners.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

OrgNOCHandle: ARAUJ8-ARIN
OrgNOCName:   Araujo, Jim 
OrgNOCPhone:  +1-203-294-7316 
OrgNOCEmail:  araujo@chime.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARAUJ8-ARIN

OrgAbuseHandle: ARAUJ8-ARIN
OrgAbuseName:   Araujo, Jim 
OrgAbusePhone:  +1-203-294-7316 
OrgAbuseEmail:  araujo@chime.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARAUJ8-ARIN

OrgNOCHandle: ARINA360-ARIN
OrgNOCName:   ARIN ADMIN
OrgNOCPhone:  +1-424-290-8004 
OrgNOCEmail:  ron.huskey@radpartners.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

OrgTechHandle: ARAUJ8-ARIN
OrgTechName:   Araujo, Jim 
OrgTechPhone:  +1-203-294-7316 
OrgTechEmail:  araujo@chime.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ARAUJ8-ARIN

OrgNOCHandle: ADMIN9158-ARIN
OrgNOCName:   Administrator
OrgNOCPhone:  +1-424-290-8004 
OrgNOCEmail:  eric.bradford@radpartners.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

OrgRoutingHandle: ARINA360-ARIN
OrgRoutingName:   ARIN ADMIN
OrgRoutingPhone:  +1-424-290-8004 
OrgRoutingEmail:  ron.huskey@radpartners.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

OrgDNSHandle: ADMIN9158-ARIN
OrgDNSName:   Administrator
OrgDNSPhone:  +1-424-290-8004 
OrgDNSEmail:  eric.bradford@radpartners.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

OrgAbuseHandle: ADMIN9158-ARIN
OrgAbuseName:   Administrator
OrgAbusePhone:  +1-424-290-8004 
OrgAbuseEmail:  eric.bradford@radpartners.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

OrgTechHandle: ADMIN9158-ARIN
OrgTechName:   Administrator
OrgTechPhone:  +1-424-290-8004 
OrgTechEmail:  eric.bradford@radpartners.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

RNOCHandle: ARINA360-ARIN
RNOCName:   ARIN ADMIN
RNOCPhone:  +1-424-290-8004 
RNOCEmail:  ron.huskey@radpartners.com
RNOCRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

RTechHandle: ARINA360-ARIN
RTechName:   ARIN ADMIN
RTechPhone:  +1-424-290-8004 
RTechEmail:  ron.huskey@radpartners.com
RTechRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

RTechHandle: ADMIN9158-ARIN
RTechName:   Administrator
RTechPhone:  +1-424-290-8004 
RTechEmail:  eric.bradford@radpartners.com
RTechRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

RAbuseHandle: ARINA360-ARIN
RAbuseName:   ARIN ADMIN
RAbusePhone:  +1-424-290-8004 
RAbuseEmail:  ron.huskey@radpartners.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ARINA360-ARIN

RAbuseHandle: ADMIN9158-ARIN
RAbuseName:   Administrator
RAbusePhone:  +1-424-290-8004 
RAbuseEmail:  eric.bradford@radpartners.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ADMIN9158-ARIN

RNOCHandle: ADMIN9158-ARIN
RNOCName:   Administrator
RNOCPhone:  +1-424-290-8004 
RNOCEmail:  eric.bradford@radpartners.com
RNOCRef:    https://rdap.arin.net/registry/entity/ADMIN9158-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" : "394444",
    "as_handle" : "AS394444",
    "as_name" : "ASNJEFFXDC01",
    "admin_contacts" : [ "ARINA360-ARIN", "ADMIN9158-ARIN" ],
    "tech_contacts" : [ "ARINA360-ARIN", "TMA288-ARIN", "ADMIN9158-ARIN", "ARAUJ8-ARIN", "ARINA360-ARIN", "ADMIN9158-ARIN", "ARINA360-ARIN", "ADMIN9158-ARIN" ],
    "abuse_contacts" : [ "ARINA360-ARIN", "TMA288-ARIN", "ARAUJ8-ARIN", "ADMIN9158-ARIN", "ARINA360-ARIN", "ADMIN9158-ARIN" ],
    "date_created" : "2015-09-10",
    "date_updated" : "2026-11-05",
    "source" : "https://rdap.arin.net/registry/autnum/394444"
  } ],
  "organization" : {
    "handle" : "JR-76",
    "name" : "Jefferson Radiology, P.C.",
    "address" : [ "111 Founders Plaza", "East Hartford", "CT", "06108", "US" ],
    "street" : "Founders Plaza",
    "city" : "East Hartford",
    "state" : "CT",
    "zip_code" : "06108",
    "country" : [ "US" ],
    "date_created" : "2015-07-29",
    "date_updated" : "2026-11-04",
    "source" : "https://rdap.arin.net/registry/entity/JR-76",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "ARINA360-ARIN",
    "name" : "ARIN ADMIN",
    "email" : [ "ron.huskey@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ARINA360-ARIN"
  }, {
    "handle" : "ADMIN9158-ARIN",
    "name" : "Administrator",
    "email" : [ "eric.bradford@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ADMIN9158-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "ARINA360-ARIN",
    "name" : "ARIN ADMIN",
    "email" : [ "ron.huskey@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ARINA360-ARIN"
  }, {
    "handle" : "TMA288-ARIN",
    "name" : "Marques, Tony",
    "email" : [ "tmarques@jeffersonradiology.com" ],
    "phone" : [ "+1-860-291-6519" ],
    "source" : "https://rdap.arin.net/registry/entity/TMA288-ARIN"
  }, {
    "handle" : "ADMIN9158-ARIN",
    "name" : "Administrator",
    "email" : [ "eric.bradford@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ADMIN9158-ARIN"
  }, {
    "handle" : "ARAUJ8-ARIN",
    "name" : "Araujo, Jim",
    "email" : [ "araujo@chime.org" ],
    "phone" : [ "+1-203-294-7316" ],
    "source" : "https://rdap.arin.net/registry/entity/ARAUJ8-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ARINA360-ARIN",
    "name" : "ARIN ADMIN",
    "email" : [ "ron.huskey@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ARINA360-ARIN"
  }, {
    "handle" : "TMA288-ARIN",
    "name" : "Marques, Tony",
    "email" : [ "tmarques@jeffersonradiology.com" ],
    "phone" : [ "+1-860-291-6519" ],
    "source" : "https://rdap.arin.net/registry/entity/TMA288-ARIN"
  }, {
    "handle" : "ARAUJ8-ARIN",
    "name" : "Araujo, Jim",
    "email" : [ "araujo@chime.org" ],
    "phone" : [ "+1-203-294-7316" ],
    "source" : "https://rdap.arin.net/registry/entity/ARAUJ8-ARIN"
  }, {
    "handle" : "ADMIN9158-ARIN",
    "name" : "Administrator",
    "email" : [ "eric.bradford@radpartners.com" ],
    "phone" : [ "+1-424-290-8004" ],
    "source" : "https://rdap.arin.net/registry/entity/ADMIN9158-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS22773	Cox Communications Inc.	US
AS46887	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS22773	Cox Communications Inc.	US