What is ASN AS401728?

ASN AS401728 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS401728?

AS401728 is listed under First Commonwealth Federal Credit Union.

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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AS401728 First Commonwealth Federal Credit Union

ASN Lookup Tool

First Commonwealth Federal Credit Union firstcomcu.org

US 2 Routes

AS Data

AS401728

AS401728 – First Commonwealth Federal Credit Union

AS Number	401728
AS Name	FCFCU
Organization	First Commonwealth Federal Credit Union (fcfcu-37)
Country	US
Website	firstcomcu.org
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2025-05-20

ASN Intelligence API for production workflows

Use ASN data for AS401728 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.186.177.0/24	AS401728	First Commonwealth Federal Credit Union	First Commonwealth Federal Credit Union	256
2620:d7:e000::/48	AS401728	First Commonwealth Federal Credit Union	First Commonwealth Federal Credit Union	~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:       401728
ASName:         FCFCU
ASHandle:       AS401728
RegDate:        2025-05-20
Updated:        2025-05-20
Ref:            https://rdap.arin.net/registry/autnum/401728


OrgName:        First Commonwealth Federal Credit Union
OrgId:          FCFCU-37
Address:        6126 Hamilton Blvd
Address:        Suite 100
City:           Allentown
StateProv:      PA
PostalCode:     18106
Country:        US
RegDate:        2025-04-24
Updated:        2025-08-21
Ref:            https://rdap.arin.net/registry/entity/FCFCU-37


OrgAbuseHandle: AII6-ARIN
OrgAbuseName:   AVP, IT Infrastructure
OrgAbusePhone:  +1-610-821-2471 
OrgAbuseEmail:  hostmaster@firstcomcu.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AII6-ARIN

OrgRoutingHandle: AII6-ARIN
OrgRoutingName:   AVP, IT Infrastructure
OrgRoutingPhone:  +1-610-821-2471 
OrgRoutingEmail:  hostmaster@firstcomcu.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/AII6-ARIN

OrgNOCHandle: AII6-ARIN
OrgNOCName:   AVP, IT Infrastructure
OrgNOCPhone:  +1-610-821-2471 
OrgNOCEmail:  hostmaster@firstcomcu.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/AII6-ARIN

OrgDNSHandle: AII6-ARIN
OrgDNSName:   AVP, IT Infrastructure
OrgDNSPhone:  +1-610-821-2471 
OrgDNSEmail:  hostmaster@firstcomcu.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/AII6-ARIN

OrgTechHandle: AII6-ARIN
OrgTechName:   AVP, IT Infrastructure
OrgTechPhone:  +1-610-821-2471 
OrgTechEmail:  hostmaster@firstcomcu.org
OrgTechRef:    https://rdap.arin.net/registry/entity/AII6-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" : "401728",
    "as_handle" : "AS401728",
    "as_name" : "FCFCU",
    "admin_contacts" : [ "AII6-ARIN" ],
    "tech_contacts" : [ "AII6-ARIN", "AII6-ARIN" ],
    "abuse_contacts" : [ "AII6-ARIN" ],
    "date_created" : "2025-05-20",
    "date_updated" : "2025-05-20",
    "source" : "https://rdap.arin.net/registry/autnum/401728"
  } ],
  "organization" : {
    "handle" : "FCFCU-37",
    "name" : "First Commonwealth Federal Credit Union",
    "address" : [ "6126 Hamilton Blvd", "Suite 100", "Allentown", "PA", "18106", "US" ],
    "street" : "Hamilton Blvd",
    "city" : "Allentown",
    "state" : "PA",
    "zip_code" : "18106",
    "country" : [ "US" ],
    "date_created" : "2025-04-24",
    "date_updated" : "2025-08-21",
    "source" : "https://rdap.arin.net/registry/entity/FCFCU-37",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "AII6-ARIN",
    "name" : "AVP, IT Infrastructure",
    "email" : [ "hostmaster@firstcomcu.org" ],
    "phone" : [ "+1-610-821-2471" ],
    "source" : "https://rdap.arin.net/registry/entity/AII6-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "AII6-ARIN",
    "name" : "AVP, IT Infrastructure",
    "email" : [ "hostmaster@firstcomcu.org" ],
    "phone" : [ "+1-610-821-2471" ],
    "source" : "https://rdap.arin.net/registry/entity/AII6-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AII6-ARIN",
    "name" : "AVP, IT Infrastructure",
    "email" : [ "hostmaster@firstcomcu.org" ],
    "phone" : [ "+1-610-821-2471" ],
    "source" : "https://rdap.arin.net/registry/entity/AII6-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3737	PenTeleData Inc.	US
AS13536	FirstLight Fiber, Inc.	US

Upstreams

AS Number	Description	Country
AS3737	PenTeleData Inc.	US
AS13536	FirstLight Fiber, Inc.	US