ASN AS63331 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63331?

AS63331 is listed under Lawrence Berkeley National Laboratory.

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.

AS63331 Lawrence Berkeley National Laboratory

ASN Lookup Tool

Lawrence Berkeley National Laboratory lbl.gov

US 6 Routes

AS Data

AS63331

AS63331 – Lawrence Berkeley National Laboratory

AS Number	63331
AS Name	LBL-2
Organization	Lawrence Berkeley National Laboratory(lbnl)
Country	US
Website	lbl.gov
Number of IPv4 Routes	3
Number of IPv6 Routes	3
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2014-12-04

ASN Intelligence API for production workflows

Use ASN data for AS63331 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:83:8004::/47	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	~2×10²⁴
2620:83:8004::/48	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	~1×10²⁴
192.58.231.0/24	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	256
2620:83:8005::/48	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	~1×10²⁴
204.62.155.0/24	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	256
192.12.173.0/24	AS63331	Lawrence Berkeley National Laboratory	Lawrence Berkeley National Laboratory	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:       63331
ASName:         LBL-2
ASHandle:       AS63331
RegDate:        2014-12-04
Updated:        2024-06-06    
Ref:            https://rdap.arin.net/registry/autnum/63331


OrgName:        Lawrence Berkeley National Laboratory
OrgId:          LBNL
Address:        One Cyclotron Road
City:           Berkeley
StateProv:      CA
PostalCode:     94720
Country:        US
RegDate:        
Updated:        2024-07-30
Comment:        Please direct SPAM related queries to spam@lbl.gov
Comment:        Please direct ABUSE related queries to cppm@lbl.gov
Ref:            https://rdap.arin.net/registry/entity/LBNL


OrgTechHandle: SIMON407-ARIN
OrgTechName:   Simon, Richard 
OrgTechPhone:  +1-510-486-5585 
OrgTechEmail:  rsimon@lbl.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SIMON407-ARIN

OrgAbuseHandle: CPP-ARIN
OrgAbuseName:   Computer Protection Program
OrgAbusePhone:  +1-510-486-7770 
OrgAbuseEmail:  security@lbl.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CPP-ARIN

RNOCHandle: STROM17-ARIN
RNOCName:   Stromsness, Rune 
RNOCPhone:  +1-510-486-5095 
RNOCEmail:  rstrom@lbl.gov
RNOCRef:    https://rdap.arin.net/registry/entity/STROM17-ARIN

RAbuseHandle: CPP-ARIN
RAbuseName:   Computer Protection Program
RAbusePhone:  +1-510-486-7770 
RAbuseEmail:  security@lbl.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/CPP-ARIN

RTechHandle: SIMON407-ARIN
RTechName:   Simon, Richard 
RTechPhone:  +1-510-486-5585 
RTechEmail:  rsimon@lbl.gov
RTechRef:    https://rdap.arin.net/registry/entity/SIMON407-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
AS293	ESnet	US
AS2152	CENIC	US

Upstreams

AS Number	Description	Country
AS293	ESnet	US
AS2152	CENIC	US