What is ASN AS399577?

ASN AS399577 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399577?

AS399577 is listed under SureFire Internet, LLC.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS399577 SureFire Internet, LLC

ASN Lookup Tool

SureFire Internet, LLC surefireinternet.com

US 2 Routes

AS Data

AS399577

AS399577 – SureFire Internet, LLC

AS Number	399577
AS Name	SUREFIRE
Organization	SureFire Internet, LLC(sil-246)
Country	US
Website	surefireinternet.com
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	ISP
Registry	ARIN
Date Allocated	2021-04-19

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Use ASN data for AS399577 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2602:fbe1::/40	AS399577	SureFire Internet, LLC	SureFire Internet, LLC	~309×10²⁴
45.42.198.0/24	AS399577	SureFire Internet, LLC	SureFire Internet, LLC	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:       399577
ASName:         SUREFIRE
ASHandle:       AS399577
RegDate:        2021-04-19
Updated:        2021-04-19    
Ref:            https://rdap.arin.net/registry/autnum/399577


OrgName:        SureFire Internet, LLC
OrgId:          SIL-246
Address:        801 E. Campbell, Suite 400
City:           Richardson
StateProv:      TX
PostalCode:     75081
Country:        US
RegDate:        2020-12-23
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/SIL-246


OrgTechHandle: STOCK234-ARIN
OrgTechName:   Stock, Chad 
OrgTechPhone:  +1-972-954-3700 
OrgTechEmail:  chad.stock@surefireinternet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STOCK234-ARIN

OrgTechHandle: TERPE7-ARIN
OrgTechName:   TERPE, ROBERT 
OrgTechPhone:  +1-877-856-1666 
OrgTechEmail:  rterpe83@gmail.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TERPE7-ARIN

OrgDNSHandle: TERPE7-ARIN
OrgDNSName:   TERPE, ROBERT 
OrgDNSPhone:  +1-877-856-1666 
OrgDNSEmail:  rterpe83@gmail.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TERPE7-ARIN

OrgAbuseHandle: TERPE7-ARIN
OrgAbuseName:   TERPE, ROBERT 
OrgAbusePhone:  +1-877-856-1666 
OrgAbuseEmail:  rterpe83@gmail.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TERPE7-ARIN

OrgRoutingHandle: TERPE7-ARIN
OrgRoutingName:   TERPE, ROBERT 
OrgRoutingPhone:  +1-877-856-1666 
OrgRoutingEmail:  rterpe83@gmail.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TERPE7-ARIN

OrgNOCHandle: TERPE7-ARIN
OrgNOCName:   TERPE, ROBERT 
OrgNOCPhone:  +1-877-856-1666 
OrgNOCEmail:  rterpe83@gmail.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TERPE7-ARIN

OrgAbuseHandle: STOCK234-ARIN
OrgAbuseName:   Stock, Chad 
OrgAbusePhone:  +1-972-954-3700 
OrgAbuseEmail:  chad.stock@surefireinternet.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/STOCK234-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
AS15164	Unite Private Networks LLC.	US

Upstreams

AS Number	Description	Country
AS15164	Unite Private Networks LLC.	US