ASN Lookup Tool

Morrison & Foerster mofo.com US US 7 Routes

AS Data

AS30283

AS30283Morrison & Foerster

AS Number 30283
AS Name MOFO
Organization Morrison & Foerster(morris-1)
Country US
Website mofo.com
Number of IPv4 Routes 7
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2003-08-26

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Use ASN data for AS30283 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
204.130.1.0/24 256
204.130.6.0/24 256
205.132.121.0/24 256
199.5.146.0/24 256
204.130.5.0/24 256
204.130.0.0/24 256
204.130.3.0/24 256

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:       30283
ASName:         MOFO
ASHandle:       AS30283
RegDate:        2003-08-26
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/30283


OrgName:        Morrison & Foerster
OrgId:          MORRIS-1
Address:        425 Market Street
City:           San Francisco
StateProv:      CA
PostalCode:     94105
Country:        US
RegDate:        1993-12-14
Updated:        2009-10-15
Ref:            https://rdap.arin.net/registry/entity/MORRIS-1


OrgTechHandle: KLA15-ARIN
OrgTechName:   Lai, Kin 
OrgTechPhone:  +1-415-268-7700 
OrgTechEmail:  dns-admin@mofo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KLA15-ARIN

OrgNOCHandle: KLA15-ARIN
OrgNOCName:   Lai, Kin 
OrgNOCPhone:  +1-415-268-7700 
OrgNOCEmail:  dns-admin@mofo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/KLA15-ARIN

OrgAbuseHandle: KLA15-ARIN
OrgAbuseName:   Lai, Kin 
OrgAbusePhone:  +1-415-268-7700 
OrgAbuseEmail:  dns-admin@mofo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KLA15-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
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS2516 KDDI CORPORATION JP

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS2516 KDDI CORPORATION JP

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Frequently Asked Questions

ASN AS30283 is an Autonomous System Number used to identify a network for BGP internet routing.
AS30283 is listed under Morrison & Foerster.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.