Foremost Telecommunications Corporation // NETSPAN //

AS Name: FOREMOST-AS

Description: Foremost Technologies IP PO BOX 261160 Plano TX 75026-1160 United States

Registry: NTTCOM

⚠️ CIRCL BGP Security Rank: 0.0738% (position 5136)

aut-num: AS23486
as-name: FOREMOST-AS
descr: Foremost Technologies IP
admin-c: CAE8-ARIN
tech-c: CAE8-ARIN
remarks: Creation
notify: technology@foremosttech.com
mnt-by: MAINT-FOREMOST
changed: eastin@foremosttech.com 20130615
source: NTTCOM 
aut-num: AS23486
as-name: AUT-FRMSTTE
descr: PO BOX 261160 Plano TX 75026-1160 United States
admin-c: LH289-ARIN
tech-c: CAE8-ARIN
tech-c: LH289-ARIN
mnt-by: MNT-NETSPA
created: 2025-11-14T14:53:29Z
last-modified: 2025-11-14T14:53:29Z
source: ARIN

Direct Membership

Macros that directly list AS23486 as a member:

AS-FOREMOST(10 members)
AS3491:AS-CUSTOMERS-NA(2785 members)

Expanded Membership

All macros containing AS23486 (directly or via nested macros): 33

Show 33 macros

AS-FOREMOST(10 ASNs)
AS3491:AS-CUSTOMERS-NA(25,092 ASNs)
AS-DECIX-DFW-V6(40,077 ASNs)
AS62499:AS-DECIX-DFW-V6(40,077 ASNs)
AS-DECIX-DFW(43,178 ASNs)
AS62499:AS-DECIX-DFW(43,178 ASNs)
AS-CAIS(61,483 ASNs)
AS-DATAIX(82,325 ASNs)
AS-DATAIX-UA(82,325 ASNs)
AS3326:AS-PEERS-UA(83,796 ASNs)
AS3326:AS-UA(83,796 ASNs)
AS-SEATTLEIX-RS-CLIENTS(84,639 ASNs)
AS-TELIANETEU-V6(85,444 ASNs)
AS1299:AS-TWELVE99-EU-V6(85,444 ASNs)
AS-TELIANETEU(85,632 ASNs)
AS1299:AS-TWELVE99-EU-V4(85,632 ASNs)
AS-TELIANETNA(86,938 ASNs)
AS1299:AS-TWELVE99-NA-V4(86,938 ASNs)
AS-TELIANETNA-V6(86,952 ASNs)
AS1299:AS-TWELVE99-NA-V6(86,952 ASNs)
AS-SOX(90,571 ASNs)
AS59900:AS-B-IX-PARTNERS(90,888 ASNs)
AS-VIX-RS(90,892 ASNs)
AS-VIX-RS-V6(91,142 ASNs)
AS216369:AS-IX(91,206 ASNs)
AS-TELIANET-V6(92,705 ASNs)
AS1299:AS-TWELVE99-V6(92,705 ASNs)
AS-TELIANET(92,989 ASNs)
AS1299:AS-TWELVE99-V4(92,989 ASNs)
AS-BCIX(93,003 ASNs)
AS16374:AS-BCIX-ALL(93,003 ASNs)
AS1299:AS-TWELVE99(93,076 ASNs)
AS-TIXZH(94,757 ASNs)

Upstream AS Paths

19 unique paths, avg length 1.6

AS Looking Glass

Upstream paths (matching graph above)

AS2497 → AS174 → AS23486
AS150000 → AS18187 → AS174 → AS23486
AS52320 → AS174 → AS23486
AS61573 → AS174 → AS23486
AS136557 → AS174 → AS23486
AS3491 → AS23486
AS4826 → AS23486
AS150000 → AS18187 → AS6939 → AS23486
AS32590 → AS7195 → AS23486
AS53062 → AS7195 → AS23486
AS19151 → AS23486
AS19754 → AS23486
AS23367 → AS23486
AS40387 → AS23473 → AS23486
AS25091 → AS23486
AS49544 → AS23486
AS137409 → AS23486
AS209823 → AS23486

AS23486 IPv4 Address Subnets (8)

199.58.128.0/21	🇺🇸 US	P.O. Box 261160 Plano TX 75026-1160 United States	FOREMOST-AS
74.122.64.0/21	🇺🇸 US	P.O. Box 261160 Plano TX 75026-1160 United States	FOREMOST-AS
199.192.244.0/22	🇺🇸 US	P.O. Box 261160 Plano TX 75026-1160 United States	FOREMOST-AS
38.103.228.0/22	🇺🇸 US	Cogent Assigned Range	FOREMOST-AS
170.124.0.0/23	🇺🇸 US		FOREMOST-AS
194.164.102.0/23	🇺🇸 US	PSJA ISD	FOREMOST-AS
199.58.129.0/24	🇺🇸 US		FOREMOST-AS
204.29.205.0/24	🇺🇸 US	TierPoint Dallas	TIERP-30496