What is ASN AS401555?

ASN AS401555 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS401555?

AS401555 is listed under Blockcast 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.

AS401555 Blockcast Inc. | IPGeolocation.io

ASN Lookup Tool

Blockcast Inc. blockcast.net

US 2 Routes

AS Data

AS401555

AS401555 – Blockcast Inc.

AS Number	401555
AS Name	BLOCKCAST-CDN-01
Organization	Blockcast Inc.(block-26)
Country	US
Website	blockcast.net
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2024-12-31

ASN Intelligence API for production workflows

Use ASN data for AS401555 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
2602:f74d:1::/48	AS401555	Blockcast Inc.	Blockcast Inc.	~1×10²⁴
69.25.95.0/24	AS401555	Blockcast Inc.	Blockcast 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:       401555
ASName:         BLOCKCAST-CDN-01
ASHandle:       AS401555
RegDate:        2024-12-31
Updated:        2024-12-31    
Ref:            https://rdap.arin.net/registry/autnum/401555


OrgName:        Blockcast Inc.
OrgId:          BLOCK-26
Address:        2991 Sacramento St #517
City:           Berkeley
StateProv:      CA
PostalCode:     94702
Country:        US
RegDate:        2024-12-18
Updated:        2024-12-27
Ref:            https://rdap.arin.net/registry/entity/BLOCK-26


OrgNOCHandle: RAMAD26-ARIN
OrgNOCName:   Ramadan, Omar 
OrgNOCPhone:  +1-951-572-2543 
OrgNOCEmail:  support@blockcast.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/RAMAD26-ARIN

OrgDNSHandle: RAMAD26-ARIN
OrgDNSName:   Ramadan, Omar 
OrgDNSPhone:  +1-951-572-2543 
OrgDNSEmail:  support@blockcast.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/RAMAD26-ARIN

OrgTechHandle: RAMAD26-ARIN
OrgTechName:   Ramadan, Omar 
OrgTechPhone:  +1-951-572-2543 
OrgTechEmail:  support@blockcast.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RAMAD26-ARIN

OrgAbuseHandle: RAMAD26-ARIN
OrgAbuseName:   Ramadan, Omar 
OrgAbusePhone:  +1-951-572-2543 
OrgAbuseEmail:  support@blockcast.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAMAD26-ARIN

OrgRoutingHandle: RAMAD26-ARIN
OrgRoutingName:   Ramadan, Omar 
OrgRoutingPhone:  +1-951-572-2543 
OrgRoutingEmail:  support@blockcast.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RAMAD26-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
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US