What is ASN AS398427?

ASN AS398427 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398427?

AS398427 is listed under Markley Network Services, 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.

AS398427 Markley Network Services, LLC

ASN Lookup Tool

Markley Network Services, LLC markleygroup.com

US 11 Routes

AS Data

AS398427

AS398427 – Markley Network Services, LLC

AS Number	398427
AS Name	MARKLEY-NETWORK-SERVICES
Organization	Markley Network Services, LLC(mnsl-7)
Country	US
Website	markleygroup.com
Number of IPv4 Routes	8
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-05-26

ASN Intelligence API for production workflows

Use ASN data for AS398427 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2602:fd35::/40	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	~309×10²⁴
185.172.188.0/22	AS398427	Markley Network Services, LLC	Moderna, Inc.	1024
185.165.212.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	256
2602:fd35:200::/40	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	~309×10²⁴
185.165.215.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	256
2602:fd35:100::/40	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	~309×10²⁴
185.165.214.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	256
185.165.213.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	256
185.178.153.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, LLC	256
185.172.190.0/24	AS398427	Markley Network Services, LLC	Markley Network Services, 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:       398427
ASName:         MARKLEY-NETWORK-SERVICES
ASHandle:       AS398427
RegDate:        2020-05-26
Updated:        2020-11-24
Comment:        https://www.markleygroup.com/contact-markley
Comment:        Tel. +1.833.299.1528
Comment:        mns-support@markleygroup.com    
Ref:            https://rdap.arin.net/registry/autnum/398427


OrgName:        Markley Network Services, LLC
OrgId:          MNSL-7
Address:        1 Summer Street
City:           Boston
StateProv:      MA
PostalCode:     02110
Country:        US
RegDate:        2018-09-20
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/MNSL-7


OrgTechHandle: MNSTE-ARIN
OrgTechName:   MNS Tech
OrgTechPhone:  +1-617-451-6464 
OrgTechEmail:  mns-tech@markleygroup.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MNSTE-ARIN

OrgNOCHandle: MNSNO-ARIN
OrgNOCName:   MNS NOC
OrgNOCPhone:  +1-833-299-1528 
OrgNOCEmail:  mns-support@markleygroup.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MNSNO-ARIN

OrgAbuseHandle: MNSAB-ARIN
OrgAbuseName:   MNS Abuse
OrgAbusePhone:  +1-617-451-6464 
OrgAbuseEmail:  mns-abuse@markleygroup.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MNSAB-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
AS19733	Digital Federal Credit Union	US
AS26167	Markley Boston LLC	US
AS46887	Crown Castle Fiber LLC	US
AS2738	Shields Health Care Group	US
AS6932	EBSCO Publishing	US
AS32926	Massachusetts State Lottery Commission	US
AS1239	Cogent Communications, LLC	US
AS46150	Southern New Hampshire University	US
AS6939	Hurricane Electric LLC	US
AS399313	TUFTS ASSOCIATED HEALTH PLANS, INC.	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS11776	Breezeline	US
AS6939	Hurricane Electric LLC	US
AS6079	RCN	US
AS2914	NTT America, Inc.	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS19733	Digital Federal Credit Union	US
AS26167	Markley Boston LLC	US
AS2738	Shields Health Care Group	US
AS6932	EBSCO Publishing	US
AS32926	Massachusetts State Lottery Commission	US
AS46150	Southern New Hampshire University	US
AS399313	TUFTS ASSOCIATED HEALTH PLANS, INC.	US
AS5724	University of Massachusetts Medical School	US
AS31980	The Baupost Group, LLC	US
AS11894	Service Credit Union	US