ASN AS10441 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10441?

AS10441 is listed under Jacobs Engineering Group Inc..

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?

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AS10441 Jacobs Engineering Group Inc.

ASN Lookup Tool

Jacobs Engineering Group Inc. jacobs.com

US 6 Routes

AS Data

AS10441

AS10441 – Jacobs Engineering Group Inc.

AS Number	10441
AS Name	JEG-1
Organization	Jacobs Engineering Group Inc.(jeg-1)
Country	US
Website	jacobs.com
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1997-08-05

ASN Intelligence API for production workflows

Use ASN data for AS10441 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.50.223.128/26	AS10441	Jacobs Engineering Group Inc.	Level 3 Parent, LLC	64
198.91.8.0/22	AS10441	Jacobs Engineering Group Inc.	Jacobs Engineering Group Inc.	1024
130.77.0.0/16	AS10441	Jacobs Engineering Group Inc.	Jacobs Engineering Group Inc.	65536
198.91.12.0/23	AS10441	Jacobs Engineering Group Inc.	CH2M Hill, Inc.	512
168.88.79.0/24	AS10441	Jacobs Engineering Group Inc.	Jacobs Engineering Group Inc.	256
168.88.78.0/24	AS10441	Jacobs Engineering Group Inc.	Jacobs Engineering Group Inc.	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:       10441
ASName:         JEG-1
ASHandle:       AS10441
RegDate:        1997-08-05
Updated:        2023-07-12    
Ref:            https://rdap.arin.net/registry/autnum/10441


OrgName:        Jacobs Engineering Group Inc.
OrgId:          JEG-1
Address:        125 Broadway Ave
City:           Oak Ridge
StateProv:      TN
PostalCode:     37830
Country:        US
RegDate:        1994-02-25
Updated:        2023-07-12
Ref:            https://rdap.arin.net/registry/entity/JEG-1


OrgRoutingHandle: IMNS-ARIN
OrgRoutingName:   IP Management - Network Services
OrgRoutingPhone:  +1-214-638-0145 
OrgRoutingEmail:  ip.management@jacobs.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IMNS-ARIN

OrgTechHandle: GRAYW20-ARIN
OrgTechName:   Gray, William 
OrgTechPhone:  +1-215-416-8649 
OrgTechEmail:  William.Gray@jacobs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRAYW20-ARIN

OrgTechHandle: IMNS-ARIN
OrgTechName:   IP Management - Network Services
OrgTechPhone:  +1-214-638-0145 
OrgTechEmail:  ip.management@jacobs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IMNS-ARIN

OrgDNSHandle: IMNS-ARIN
OrgDNSName:   IP Management - Network Services
OrgDNSPhone:  +1-214-638-0145 
OrgDNSEmail:  ip.management@jacobs.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/IMNS-ARIN

OrgAbuseHandle: IPABU39-ARIN
OrgAbuseName:   IP Abuse
OrgAbusePhone:  +1-214-638-0145 
OrgAbuseEmail:  ip.abuse@jacobs.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IPABU39-ARIN

OrgTechHandle: GAJJA4-ARIN
OrgTechName:   Gajjar, Sunil 
OrgTechPhone:  +91 22 40872000  
OrgTechEmail:  sunil.gajjar@jacobs.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GAJJA4-ARIN

OrgNOCHandle: IMNS-ARIN
OrgNOCName:   IP Management - Network Services
OrgNOCPhone:  +1-214-638-0145 
OrgNOCEmail:  ip.management@jacobs.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IMNS-ARIN

RNOCHandle: IMNS-ARIN
RNOCName:   IP Management - Network Services
RNOCPhone:  +1-214-638-0145 
RNOCEmail:  ip.management@jacobs.com
RNOCRef:    https://rdap.arin.net/registry/entity/IMNS-ARIN

RAbuseHandle: IPABU39-ARIN
RAbuseName:   IP Abuse
RAbusePhone:  +1-214-638-0145 
RAbuseEmail:  ip.abuse@jacobs.com
RAbuseRef:    https://rdap.arin.net/registry/entity/IPABU39-ARIN

RTechHandle: IMNS-ARIN
RTechName:   IP Management - Network Services
RTechPhone:  +1-214-638-0145 
RTechEmail:  ip.management@jacobs.com
RTechRef:    https://rdap.arin.net/registry/entity/IMNS-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
AS64275	Equinix, Inc.	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS64275	Equinix, Inc.	US
AS3356	Level 3 Parent, LLC	US

Contacts

Email Contacts

ip.management@jacobs.com William.Gray@jacobs.com sunil.gajjar@jacobs.com

Abuse Contacts

ip.abuse@jacobs.com