ASN AS15148 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15148?

AS15148 is listed under Blackbaud, 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.

AS15148 Blackbaud, Inc. | IPGeolocation.io

ASN Lookup Tool

Blackbaud, Inc. blackbaud.com

US 4 Routes

AS Data

AS15148

AS15148 – Blackbaud, Inc.

AS Number	15148
AS Name	BLACKBAUD-ASN
Organization	Blackbaud, Inc.(blackb-4)
Country	US
Website	blackbaud.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2000-03-27

ASN Intelligence API for production workflows

Use ASN data for AS15148 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.123.152.0/23	AS15148	Blackbaud, Inc.	Blackbaud, Inc.	512
74.123.152.0/22	AS15148	Blackbaud, Inc.	Blackbaud, Inc.	1024
216.235.195.0/24	AS15148	Blackbaud, Inc.	Blackbaud, Inc.	256
216.235.194.0/24	AS15148	Blackbaud, Inc.	Blackbaud, 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:       15148
ASName:         BLACKBAUD-ASN
ASHandle:       AS15148
RegDate:        2000-03-27
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/15148


OrgName:        Blackbaud, Inc.
OrgId:          BLACKB-4
Address:        2000 Daniel Island Drive
City:           Charleston
StateProv:      SC
PostalCode:     29492
Country:        US
RegDate:        1999-09-14
Updated:        2023-05-19
Ref:            https://rdap.arin.net/registry/entity/BLACKB-4


OrgNOCHandle: NOC12595-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-512-420-4500 
OrgNOCEmail:  SDO-ARIN@blackbaud.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN

OrgTechHandle: NOC12595-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-512-420-4500 
OrgTechEmail:  SDO-ARIN@blackbaud.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN

OrgAbuseHandle: NOC12595-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-512-420-4500 
OrgAbuseEmail:  SDO-ARIN@blackbaud.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN

RTechHandle: CH359-ARIN
RTechName:   Hunziker, Cameron 
RTechPhone:  +1-843-740-5400 
RTechEmail:  cameron.hunziker@blackbaud.com
RTechRef:    https://rdap.arin.net/registry/entity/CH359-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
AS394901	NEW CCH, LLC	US

Upstreams

AS Number	Description	Country
AS394901	NEW CCH, LLC	US