ASN Lookup Tool

FirstDay Foundation firstday.foundation US US 2 Routes

AS Data

AS397900

AS397900 – FirstDay Foundation

AS Number 397900
AS Name FIRSTDAY
Organization FirstDay Foundation(bcfs-1)
Country US
Website firstday.foundation
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2019-09-04

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Use ASN data for AS397900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
67.218.14.0/24 256
148.59.25.0/24 256

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:       397900
ASName:         FIRSTDAY
ASHandle:       AS397900
RegDate:        2019-09-04
Updated:        2022-08-30
Comment:        Standard NOC hours 
Comment:        8:00 AM to 5:00 PM CST    
Ref:            https://rdap.arin.net/registry/autnum/397900


OrgName:        FirstDay Foundation
OrgId:          BCFS-1
Address:        1506 BEXAR CROSSING
City:           SAN ANTONIO
StateProv:      TX
PostalCode:     78232
Country:        US
RegDate:        2012-02-14
Updated:        2025-02-25
Ref:            https://rdap.arin.net/registry/entity/BCFS-1


OrgAbuseHandle: NOC32743-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-210-208-5541 
OrgAbuseEmail:  noc@FirstDay.Foundation
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC32743-ARIN

OrgNOCHandle: NOC32743-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-210-208-5541 
OrgNOCEmail:  noc@FirstDay.Foundation
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32743-ARIN

OrgTechHandle: NOC32743-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-210-208-5541 
OrgTechEmail:  noc@FirstDay.Foundation
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC32743-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

Peers

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3356 Level 3 Parent, LLC US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS3356 Level 3 Parent, LLC US

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Frequently Asked Questions

ASN AS397900 is an Autonomous System Number used to identify a network for BGP internet routing.
AS397900 is listed under FirstDay Foundation.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.