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.

AS397619 Curtis, Mallet Prevost, Colt & Mosle, LLP

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Curtis, Mallet Prevost, Colt & Mosle, LLP curtis.com

US 1 Routes

AS Data

AS397619

AS397619 – Curtis, Mallet Prevost, Colt & Mosle, LLP

AS Number	397619
AS Name	CURTIS
Organization	Curtis, Mallet Prevost, Colt & Mosle, LLP(cmcml)
Country	US
Website	curtis.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2019-06-06

ASN Intelligence API for production workflows

Use ASN data for AS397619 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.188.199.0/24	AS397619	Curtis, Mallet Prevost, Colt & Mosle, LLP	CURTIS, MALLET PREVOST, COLT M	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:       397619
ASName:         CURTIS
ASHandle:       AS397619
RegDate:        2019-06-06
Updated:        2019-06-06
Comment:        www.curtis.com    
Ref:            https://rdap.arin.net/registry/autnum/397619


OrgName:        Curtis, Mallet-Prevost, Colt & Mosle, LLP
OrgId:          CMCML
Address:        101 Park Avenue - 35th floor
City:           New York
StateProv:      NY
PostalCode:     10178
Country:        US
RegDate:        2019-05-14
Updated:        2019-05-22
Ref:            https://rdap.arin.net/registry/entity/CMCML


OrgAbuseHandle: CMR37-ARIN
OrgAbuseName:   Curtis Mallet role
OrgAbusePhone:  +1-212-696-8836 
OrgAbuseEmail:  abaselice@curtis.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CMR37-ARIN

OrgNOCHandle: CMR37-ARIN
OrgNOCName:   Curtis Mallet role
OrgNOCPhone:  +1-212-696-8836 
OrgNOCEmail:  abaselice@curtis.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CMR37-ARIN

OrgTechHandle: CMR37-ARIN
OrgTechName:   Curtis Mallet role
OrgTechPhone:  +1-212-696-8836 
OrgTechEmail:  abaselice@curtis.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CMR37-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
AS7018	AT&T Enterprises, LLC	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS397619?

ASN AS397619 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS397619?

AS397619 is listed under Curtis, Mallet Prevost, Colt & Mosle, LLP.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.