ASN AS27477 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

AS27477 IBM | IPGeolocation.io

ASN Lookup Tool

IBM us.ibm.com

US 4 Routes

AS Data

AS27477

AS27477 – IBM

AS Number	27477
AS Name	POLAR-PUBLIC-HUB-POP-ASN
Organization	IBM(ibm-1)
Country	US
Website	us.ibm.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-03-14

ASN Intelligence API for production workflows

Use ASN data for AS27477 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.147.91.0/24	AS27477	IBM	ICDNET POLAR POP PUNE	256
192.147.92.0/24	AS27477	IBM	IBM	256
192.147.88.0/24	AS27477	IBM	DNET POLAR POP FRANKFUR	256
192.147.89.0/24	AS27477	IBM	ICDNET POLAR POP DALLAS	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:       27477
ASName:         POLAR-PUBLIC-HUB-POP-ASN
ASHandle:       AS27477
RegDate:        2003-03-14
Updated:        2022-07-08    
Ref:            https://rdap.arin.net/registry/autnum/27477


OrgName:        IBM
OrgId:          IBM-1
Address:        3039 Cornwallis Road
City:           Research Triangle Park
StateProv:      NC
PostalCode:     27709-2195
Country:        US
RegDate:        1992-02-08
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/IBM-1


OrgTechHandle: RAIN-ARIN
OrgTechName:   Registrar Authority, Internet numbers
OrgTechPhone:  +1-512-308-4534 
OrgTechEmail:  ipreg@us.ibm.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RAIN-ARIN

OrgAbuseHandle: RAIN-ARIN
OrgAbuseName:   Registrar Authority, Internet numbers
OrgAbusePhone:  +1-512-308-4534 
OrgAbuseEmail:  ipreg@us.ibm.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAIN-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
AS8220	COLT Technology Services Group Limited	GB
AS7018	AT&T Enterprises, LLC	US
AS9498	Bharti Airtel Ltd	IN
AS9498	Bharti Airtel Limited	IN
AS4755	Tata Communications (formerly VSNL)	IN
AS1273	Vodafone Group PLC	GB
AS1273	Vodafone Group PLC	NL
AS4755	Tata Communications Limited	IN

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS7018	AT&T Enterprises, LLC	US
AS9498	Bharti Airtel Limited	IN
AS1273	Vodafone Group PLC	NL
AS4755	Tata Communications Limited	IN