ASN Lookup Tool

Premera Blue Cross premera.com US US 4 Routes

AS Data

AS399776

AS399776 – Premera Blue Cross

AS Number 399776
AS Name PBC-SEA-WA-POP
Organization Premera Blue Cross(pbc-39)
Country US
Website premera.com
Number of IPv4 Routes 4
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2021-06-11

ASN Intelligence API for production workflows

Use ASN data for AS399776 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
199.187.88.0/23 512
199.187.89.0/24 256
199.187.64.0/21 2048
199.187.70.0/24 256

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:       399776
ASName:         PBC-SEA-WA-POP
ASHandle:       AS399776
RegDate:        2021-06-11
Updated:        2021-06-11    
Ref:            https://rdap.arin.net/registry/autnum/399776


OrgName:        Premera Blue Cross
OrgId:          PBC-39
Address:        7001 220th ST SW
City:           Mountlake Terrace
StateProv:      WA
PostalCode:     98043
Country:        US
RegDate:        2003-03-21
Updated:        2021-03-26
Ref:            https://rdap.arin.net/registry/entity/PBC-39


OrgTechHandle: ZP99-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-425-918-5913 
OrgTechEmail:  ITInfraNetworkServices@premera.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZP99-ARIN

OrgAbuseHandle: ZP99-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-425-918-5913 
OrgAbuseEmail:  ITInfraNetworkServices@premera.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZP99-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
AS286 GTT Communications Inc. NL
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS14744 Unitas Global US

Upstreams

AS Number Description Country
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS14744 Unitas Global US

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Frequently Asked Questions

ASN AS399776 is an Autonomous System Number used to identify a network for BGP internet routing.
AS399776 is listed under Premera Blue Cross.
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.