ASN AS16640 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16640?

AS16640 is listed under First Citizens Bank & Trust Company.

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.

AS16640 First Citizens Bank & Trust Company

ASN Lookup Tool

First Citizens Bank & Trust Company firstcitizens.com

US 8 Routes

AS Data

AS16640

AS16640 – First Citizens Bank & Trust Company

AS Number	16640
AS Name	SILICON-VALLEY-BANK
Organization	First Citizens Bank & Trust Company(fcb-13)
Country	US
Website	firstcitizens.com
Number of IPv4 Routes	8
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2000-05-30

ASN Intelligence API for production workflows

Use ASN data for AS16640 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.245.241.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
198.245.242.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
208.80.233.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
198.212.183.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
208.80.235.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
192.173.27.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
192.173.26.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	256
208.80.232.0/24	AS16640	First Citizens Bank & Trust Company	First Citizens Bank & Trust Company	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:       16640
ASName:         SILICON-VALLEY-BANK
ASHandle:       AS16640
RegDate:        2000-05-30
Updated:        2025-08-13    
Ref:            https://rdap.arin.net/registry/autnum/16640


OrgName:        First-Citizens Bank & Trust Company
OrgId:          FCB-13
Address:        DAC-30 NOC Manager
Address:        100 East Tryon Road
City:           Raleigh
StateProv:      NC
PostalCode:     27603
Country:        US
RegDate:        2001-12-26
Updated:        2025-06-05
Ref:            https://rdap.arin.net/registry/entity/FCB-13


OrgTechHandle: BNL4-ARIN
OrgTechName:   Lachberg, Brian  Nathan 
OrgTechPhone:  +1-626-535-5697 
OrgTechEmail:  Brian.Lachberg@firstcitizens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BNL4-ARIN

OrgTechHandle: HOFFM33-ARIN
OrgTechName:   Hoffman, Jamie 
OrgTechPhone:  +1-919-716-7718 
OrgTechEmail:  jamie.hoffman@firstcitizens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOFFM33-ARIN

OrgAbuseHandle: ABUSE442-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-919-716-8010 
OrgAbuseEmail:  abuse@firstcitizens.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE442-ARIN

OrgTechHandle: SHELF-ARIN
OrgTechName:   Shelfo, Pete 
OrgTechPhone:  +1-919-716-8420 
OrgTechEmail:  pete.shelfo@firstcitizens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SHELF-ARIN

OrgTechHandle: DEANS67-ARIN
OrgTechName:   Deans, Trey 
OrgTechPhone:  +1-919-716-8161 
OrgTechEmail:  trey.deans@firstcitizens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DEANS67-ARIN

OrgTechHandle: LACHB2-ARIN
OrgTechName:   Lachberg, Brian 
OrgTechPhone:  +1-626-535-5697 
OrgTechEmail:  brian.lachberg@firstcitizens.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LACHB2-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
AS32787	Akamai Technologies, Inc.	US

Upstreams

AS Number	Description	Country
AS32787	Akamai Technologies, Inc.	US

Contacts

Email Contacts

jamie.hoffman@firstcitizens.com trey.deans@firstcitizens.com Brian.Lachberg@firstcitizens.com brian.lachberg@firstcitizens.com pete.shelfo@firstcitizens.com

Abuse Contacts

abuse@firstcitizens.com