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	Prefix	Description
	38.98.252.0/24	Kessler Topaz Meltzer & Check, LLP

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS30372	Crown Castle Fiber LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS30372	Crown Castle Fiber LLC	✔	✘
	AS174	Cogent Communications, LLC	✔	✘

ASHandle:       AS40167
OrgID:          SBL-26
ASName:         SCHIFFRINBARROWAY
ASNumber:       40167
RegDate:        2006-08-07
Updated:        2020-04-17
TechHandle:     ITDIR49-ARIN
AbuseHandle:    NETWO3841-ARIN
NOCHandle:      NETWO3841-ARIN
Source:         ARIN



OrgID:          SBL-26
OrgName:        Schiffrin & Barroway, LLP
CanAllocate:    
Street:         280 King of Prussia Road
City:           Radnor
State/Prov:     PA
Country:        US
PostalCode:     19087
RegDate:        2006-08-01
Updated:        2025-08-29
OrgAdminHandle: NETWO3841-ARIN
OrgTechHandle:  NETWO3841-ARIN
OrgAbuseHandle: NETWO3841-ARIN
OrgNOCHandle:   NETWO3841-ARIN
OrgRoutingHandle:   JRS127-ARIN
OrgDNSHandle:   SNYDE449-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO3841-ARIN
OrgAdminName:          Network Monitor
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO3841-ARIN
OrgTechName:           Network Monitor
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO3841-ARIN
OrgAbuseName:          Network Monitor
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NETWO3841-ARIN
OrgNOCName:            Network Monitor
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     JRS127-ARIN
OrgRoutingName:       Jamie Serafin
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         SNYDE449-ARIN
OrgDNSName:           Jason Snyder
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           ITDIR49-ARIN
TechName:              IT Director
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          NETWO3841-ARIN
AbuseName:             Network Monitor
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            NETWO3841-ARIN
NOCName:               Network Monitor
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-17T03:27:43Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-xo	1
LEVEL3	as-level3-origins-na	0
ARIN	as-xo-b	58221
ALTDB	as-jarmtelco	649
RADB	as-yipes	2146
LEVEL3	as-yipes	2146