ASN AS40167 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS40167?

AS40167 is listed under Schiffrin & Barroway, LLP.

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.

AS40167 Schiffrin & Barroway, LLP

ASN Lookup Tool

Schiffrin & Barroway, LLP ktmc.com

US 1 Routes

AS Data

AS40167

AS40167 – Schiffrin & Barroway, LLP

AS Number	40167
AS Name	SCHIFFRINBARROWAY
Organization	Schiffrin & Barroway, LLP(sbl-26)
Country	US
Website	ktmc.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2006-08-07

ASN Intelligence API for production workflows

Use ASN data for AS40167 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.98.252.0/24	AS40167	Schiffrin & Barroway, LLP	Kessler Topaz Meltzer & Check, LLP	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:       40167
ASName:         SCHIFFRINBARROWAY
ASHandle:       AS40167
RegDate:        2006-08-07
Updated:        2020-04-17    
Ref:            https://rdap.arin.net/registry/autnum/40167


OrgName:        Schiffrin & Barroway, LLP
OrgId:          SBL-26
Address:        280 King of Prussia Road
City:           Radnor
StateProv:      PA
PostalCode:     19087
Country:        US
RegDate:        2006-08-01
Updated:        2025-08-29
Ref:            https://rdap.arin.net/registry/entity/SBL-26


OrgNOCHandle: NETWO3841-ARIN
OrgNOCName:   Network Monitor
OrgNOCPhone:  +1-610-667-7706 
OrgNOCEmail:  awells@ktmc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3841-ARIN

OrgDNSHandle: SNYDE449-ARIN
OrgDNSName:   Snyder, Jason 
OrgDNSPhone:  +1-610-667-7706 
OrgDNSEmail:  jsnyder@ktmc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SNYDE449-ARIN

OrgRoutingHandle: JRS127-ARIN
OrgRoutingName:   Serafin, Jamie R
OrgRoutingPhone:  +1-215-327-3194 
OrgRoutingEmail:  jserafin@ktmc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/JRS127-ARIN

OrgAbuseHandle: NETWO3841-ARIN
OrgAbuseName:   Network Monitor
OrgAbusePhone:  +1-610-667-7706 
OrgAbuseEmail:  jserafin@ktmc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3841-ARIN

OrgTechHandle: NETWO3841-ARIN
OrgTechName:   Network Monitor
OrgTechPhone:  +1-610-667-7706 
OrgTechEmail:  jserafin@ktmc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3841-ARIN

RNOCHandle: NETWO3841-ARIN
RNOCName:   Network Monitor
RNOCPhone:  +1-610-667-7706 
RNOCEmail:  jserafin@ktmc.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO3841-ARIN

RAbuseHandle: NETWO3841-ARIN
RAbuseName:   Network Monitor
RAbusePhone:  +1-610-667-7706 
RAbuseEmail:  jserafin@ktmc.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3841-ARIN

RTechHandle: ITDIR49-ARIN
RTechName:   IT Director
RTechPhone:  +1-484-270-1487 
RTechEmail:  awells@ktmc.com
RTechRef:    https://rdap.arin.net/registry/entity/ITDIR49-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
AS30372	Crown Castle Fiber LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS30372	Crown Castle Fiber LLC	US
AS174	Cogent Communications, LLC	US