ASN AS11275 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11275?

AS11275 is listed under National Bank Holdings Corporation.

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.

AS11275 National Bank Holdings Corporation

ASN Lookup Tool

National Bank Holdings Corporation nbhbank.com

US 2 Routes

AS Data

AS11275

AS11275 – National Bank Holdings Corporation

AS Number	11275
AS Name	NBH-HOLDINGS-CORPORATION
Organization	National Bank Holdings Corporation(nhc-55)
Country	US
Website	nbhbank.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2012-06-05

ASN Intelligence API for production workflows

Use ASN data for AS11275 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.76.132.0/24	AS11275	National Bank Holdings Corporation	NBH HOLDINGS CORPORATION	256
72.166.82.0/24	AS11275	National Bank Holdings Corporation	COMMUNITY BANKSHARES INC CHERR	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:       11275
ASName:         NBH-HOLDINGS-CORPORATION
ASHandle:       AS11275
RegDate:        2012-06-05
Updated:        2012-06-05    
Ref:            https://rdap.arin.net/registry/autnum/11275


OrgName:        National Bank Holdings Corporation
OrgId:          NHC-55
Address:        101 Federal Street 19th Floor
City:           Boston
StateProv:      MA
PostalCode:     02110
Country:        US
RegDate:        2012-05-25
Updated:        2026-01-28
Ref:            https://rdap.arin.net/registry/entity/NHC-55


OrgTechHandle: BUCHT2-ARIN
OrgTechName:   Buchta, Mark 
OrgTechPhone:  +1-816-298-2442 
OrgTechEmail:  mark.buchta@nbhbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BUCHT2-ARIN

OrgAbuseHandle: MURPH657-ARIN
OrgAbuseName:   Murphy, Joey 
OrgAbusePhone:  +1-816-803-9683 
OrgAbuseEmail:  joey.murphy@nbhbank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MURPH657-ARIN

OrgNOCHandle: MURPH657-ARIN
OrgNOCName:   Murphy, Joey 
OrgNOCPhone:  +1-816-803-9683 
OrgNOCEmail:  joey.murphy@nbhbank.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MURPH657-ARIN

OrgTechHandle: MURPH657-ARIN
OrgTechName:   Murphy, Joey 
OrgTechPhone:  +1-816-803-9683 
OrgTechEmail:  joey.murphy@nbhbank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MURPH657-ARIN

OrgRoutingHandle: MURPH657-ARIN
OrgRoutingName:   Murphy, Joey 
OrgRoutingPhone:  +1-816-803-9683 
OrgRoutingEmail:  joey.murphy@nbhbank.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MURPH657-ARIN

OrgAbuseHandle: YEAMA2-ARIN
OrgAbuseName:   Yeamans, Kevin 
OrgAbusePhone:  +1-816-298-2498 
OrgAbuseEmail:  kevin.yeamans@nbhbank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/YEAMA2-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
AS7018	AT&T Enterprises, LLC	US
AS1239	Cogent Communications, LLC	US
AS209	CenturyLink Communications, LLC	US
AS17378	TierPoint, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS209	CenturyLink Communications, LLC	US
AS17378	TierPoint, LLC	US
AS174	Cogent Communications, LLC	US