ASN AS1445 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1445?

AS1445 is listed under Milliman, 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?

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.

AS1445 Milliman, Inc. | IPGeolocation.io

ASN Lookup Tool

Milliman, Inc. milliman.com

US 1 Routes

AS Data

AS1445

AS1445 – Milliman, Inc.

AS Number	1445
AS Name	MILLIMAN
Organization	Milliman, Inc.(milli-9)
Country	US
Website	milliman.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-08-05

ASN Intelligence API for production workflows

Use ASN data for AS1445 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.116.172.0/23	AS1445	Milliman, Inc.	Milliman, Inc.	512

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:       1445
ASName:         MILLIMAN
ASHandle:       AS1445
RegDate:        2009-08-05
Updated:        2012-03-20    
Ref:            https://rdap.arin.net/registry/autnum/1445


OrgName:        Milliman, Inc.
OrgId:          MILLI-9
Address:        1301 5th Ave
Address:        Suite 3800
City:           Seattle
StateProv:      WA
PostalCode:     98101-2605
Country:        US
RegDate:        2008-05-13
Updated:        2025-09-22
Ref:            https://rdap.arin.net/registry/entity/MILLI-9


OrgNOCHandle: NETWO2453-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-206-624-7940 
OrgNOCEmail:  noc@milliman.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO2453-ARIN

OrgTechHandle: DSFA-ARIN
OrgTechName:   Duarte Simao, Filipe Andre 
OrgTechPhone:  +(01) 647 5900 
OrgTechEmail:  filipe.simao@milliman.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DSFA-ARIN

OrgTechHandle: NETWO2453-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-206-624-7940 
OrgTechEmail:  noc@milliman.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2453-ARIN

OrgAbuseHandle: NETWO2453-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-206-624-7940 
OrgAbuseEmail:  noc@milliman.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2453-ARIN

RNOCHandle: NETWO2453-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-206-624-7940 
RNOCEmail:  noc@milliman.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO2453-ARIN

RAbuseHandle: NETWO2453-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-206-624-7940 
RAbuseEmail:  noc@milliman.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2453-ARIN

RTechHandle: NETWO2453-ARIN
RTechName:   Network Operations
RTechPhone:  +1-206-624-7940 
RTechEmail:  noc@milliman.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO2453-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
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS3356	Level 3 Parent, LLC	US