ASN AS10397 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10397?

AS10397 is listed under Momentum Telecom, 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.

AS10397 Momentum Telecom, Inc.

ASN Lookup Tool

Momentum Telecom, Inc. momentumtelecom.com

US 57 Routes

AS Data

AS10397

AS10397 – Momentum Telecom, Inc.

AS Number	10397
AS Name	MOMENTUM
Organization	Momentum Telecom, Inc.(momen-5)
Country	US
Website	momentumtelecom.com
Number of IPv4 Routes	48
Number of IPv6 Routes	9
ASN type	ISP
Registry	ARIN
Date Allocated	1997-07-11

ASN Intelligence API for production workflows

Use ASN data for AS10397 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2607:b600:10::/48	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	~1×10²⁴
2607:b600:8::/48	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	~1×10²⁴
209.55.24.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
209.55.5.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
208.67.12.0/22	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	1024
162.244.98.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
208.85.134.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
209.55.10.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
209.55.26.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, Inc.	256
208.67.12.0/24	AS10397	Momentum Telecom, Inc.	Momentum Telecom, 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:       10397
ASName:         MOMENTUM
ASHandle:       AS10397
RegDate:        1997-07-11
Updated:        2022-06-06    
Ref:            https://rdap.arin.net/registry/autnum/10397


OrgName:        Momentum Telecom, Inc.
OrgId:          MOMEN-5
Address:        1 Concourse Parkway, NE
Address:        Suite 600
City:           Atlanta
StateProv:      GA
PostalCode:     30328
Country:        US
RegDate:        2007-10-02
Updated:        2025-04-01
Comment:        www.momentumtelecom.com
Ref:            https://rdap.arin.net/registry/entity/MOMEN-5


OrgTechHandle: NETWO6255-ARIN
OrgTechName:   Networking
OrgTechPhone:  +1-205-978-6027 
OrgTechEmail:  networking@momentumtelecom.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6255-ARIN

OrgDNSHandle: SED63-ARIN
OrgDNSName:   Systems Engineering Department
OrgDNSPhone:  +1-678-399-9503 
OrgDNSEmail:  systems@momentumtelecom.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SED63-ARIN

OrgAbuseHandle: ABUSE3658-ARIN
OrgAbuseName:   Abuse Center
OrgAbusePhone:  +1-888-538-3960 
OrgAbuseEmail:  motelrt@momentumtelecom.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3658-ARIN

OrgNOCHandle: SUPPO147-ARIN
OrgNOCName:   Support
OrgNOCPhone:  +1-205-978-4400 
OrgNOCEmail:  support@momentumtelecom.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SUPPO147-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
AS393365	Momentum Telecom, Inc.	US
AS13335	Cloudflare, Inc.	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS25645	Momentum Telecom, Inc.	US
AS701	Verizon Business/UUnet	US
AS53828	NETWORK INNOVATIONS, LLC	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS393365	Momentum Telecom, Inc.	US
AS13335	Cloudflare, Inc.	US
AS25645	Momentum Telecom, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US