ASN AS13550 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS13550?

AS13550 is listed under Reconstructive Orthopaedic Associates II LLC.

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.

AS13550 Reconstructive Orthopaedic Associates II LLC

ASN Lookup Tool

Reconstructive Orthopaedic Associates II LLC rothmanortho.com

US 1 Routes

AS Data

AS13550

AS13550 – Reconstructive Orthopaedic Associates II LLC

AS Number	13550
AS Name	ROTHMAN-01
Organization	Reconstructive Orthopaedic Associates II LLC(roail)
Country	US
Website	rothmanortho.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-09-18

ASN Intelligence API for production workflows

Use ASN data for AS13550 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.239.141.0/24	AS13550	Reconstructive Orthopaedic Associates II LLC	Rothman Orthopeadic Institute	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:       13550
ASName:         ROTHMAN-01
ASHandle:       AS13550
RegDate:        2020-09-18
Updated:        2020-09-18    
Ref:            https://rdap.arin.net/registry/autnum/13550


OrgName:        Reconstructive Orthopaedic Associates II LLC
OrgId:          ROAIL
Address:        925 Chestnut Street, 5th FL
City:           Philadelphia
StateProv:      PA
PostalCode:     19107
Country:        US
RegDate:        2020-09-10
Updated:        2020-09-10
Ref:            https://rdap.arin.net/registry/entity/ROAIL


OrgAbuseHandle: NETWO9302-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-267-319-7105 
OrgAbuseEmail:  networkengineering@rothmanortho.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9302-ARIN

OrgTechHandle: NETWO9302-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-267-319-7105 
OrgTechEmail:  networkengineering@rothmanortho.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9302-ARIN

OrgRoutingHandle: NETWO9302-ARIN
OrgRoutingName:   Network Engineering
OrgRoutingPhone:  +1-267-319-7105 
OrgRoutingEmail:  networkengineering@rothmanortho.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9302-ARIN

OrgNOCHandle: NETWO9302-ARIN
OrgNOCName:   Network Engineering
OrgNOCPhone:  +1-267-319-7105 
OrgNOCEmail:  networkengineering@rothmanortho.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9302-ARIN

OrgDNSHandle: NETWO9302-ARIN
OrgDNSName:   Network Engineering
OrgDNSPhone:  +1-267-319-7105 
OrgDNSEmail:  networkengineering@rothmanortho.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9302-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
AS46887	Crown Castle Fiber LLC	US
AS33287	Comcast Cable Communications, LLC	US
AS17378	TierPoint, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS33287	Comcast Cable Communications, LLC	US
AS17378	TierPoint, LLC	US