What is ASN AS398433?

ASN AS398433 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398433?

AS398433 is listed under Manatt, Phelps & Phillips.

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.

AS398433 Manatt, Phelps & Phillips

ASN Lookup Tool

Manatt, Phelps & Phillips manatt.com

US 1 Routes

AS Data

AS398433

AS398433 – Manatt, Phelps & Phillips

AS Number	398433
AS Name	MANATT
Organization	Manatt, Phelps & Phillips(mppl-12)
Country	US
Website	manatt.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-06-08

ASN Intelligence API for production workflows

Use ASN data for AS398433 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.242.250.0/24	AS398433	Manatt, Phelps & Phillips	Manatt, Phelps & Phillips	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:       398433
ASName:         MANATT
ASHandle:       AS398433
RegDate:        2020-06-08
Updated:        2020-06-08    
Ref:            https://rdap.arin.net/registry/autnum/398433


OrgName:        Manatt, Phelps & Phillips
OrgId:          MPPL-12
Address:        2049 Century Park East
Address:        Suite 1700
City:           Los Angeles
StateProv:      CA
PostalCode:     90067
Country:        US
RegDate:        2020-05-08
Updated:        2020-05-08
Ref:            https://rdap.arin.net/registry/entity/MPPL-12

ReferralServer:  rwhois://Manatt.com:443

OrgNOCHandle: KRB8-ARIN
OrgNOCName:   Bernard, Kerry R
OrgNOCPhone:  +1-813-638-7750 
OrgNOCEmail:  kbernard@manatt.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/KRB8-ARIN

OrgRoutingHandle: KRB8-ARIN
OrgRoutingName:   Bernard, Kerry R
OrgRoutingPhone:  +1-813-638-7750 
OrgRoutingEmail:  kbernard@manatt.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KRB8-ARIN

OrgTechHandle: KRB8-ARIN
OrgTechName:   Bernard, Kerry R
OrgTechPhone:  +1-813-638-7750 
OrgTechEmail:  kbernard@manatt.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KRB8-ARIN

OrgDNSHandle: KRB8-ARIN
OrgDNSName:   Bernard, Kerry R
OrgDNSPhone:  +1-813-638-7750 
OrgDNSEmail:  kbernard@manatt.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/KRB8-ARIN

OrgAbuseHandle: KRB8-ARIN
OrgAbuseName:   Bernard, Kerry R
OrgAbusePhone:  +1-813-638-7750 
OrgAbuseEmail:  kbernard@manatt.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KRB8-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
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS174	Cogent Communications, LLC	US