What is ASN AS394192?

ASN AS394192 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394192?

AS394192 is listed under Fastly, 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.

AS394192 Fastly, Inc. | IPGeolocation.io

ASN Lookup Tool

Fastly, Inc. fastly.com

US 12 Routes

AS Data

AS394192

AS394192 – Fastly, Inc.

AS Number	394192
AS Name	FASTLY-TRIBUTARY
Organization	Fastly, Inc. (skyca-3)
Country	US
Website	fastly.com
Number of IPv4 Routes	6
Number of IPv6 Routes	6
ASN type	HOSTING
Registry	ARIN
Date Allocated	2015-07-02

ASN Intelligence API for production workflows

Use ASN data for AS394192 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
2a04:4e41:4c::/48	AS54113	Fastly, Inc.	Fastly, Inc.	~1×10²⁴
2a04:4e41:34::/48	AS54113	Fastly, Inc.	Fastly, Inc.	~1×10²⁴
87.81.241.0/24	AS54113	Fastly, Inc.	Fastly, Inc.	256
87.81.229.0/24	AS54113	Fastly, Inc.	Fastly, Inc.	256
87.81.236.0/24	AS54113	Fastly, Inc.	Fastly, Inc.	256
87.81.243.0/24	AS54113	Fastly, Inc.	Fastly, Inc.	256
2a04:4e41:90::/48	AS394192	Fastly, Inc.	Fastly, Inc.	~1×10²⁴
2a04:4e41:44::/48	AS54113	Fastly, Inc.	Fastly, Inc.	~1×10²⁴
185.31.19.0/24	AS54113	Fastly, Inc.	Fastly, Inc.	256
2a04:4e41:24::/48	AS54113	Fastly, Inc.	Fastly, Inc.	~1×10²⁴
87.81.254.0/24	AS394192	Fastly, Inc.	Fastly, Inc.	256
2001:df0:460::/48	AS394192	Fastly, Inc.	Fastly, Inc	~1×10²⁴

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:       394192
ASName:         FASTLY-TRIBUTARY
ASHandle:       AS394192
RegDate:        2015-07-02
Updated:        2026-09-21
Ref:            https://rdap.arin.net/registry/autnum/394192



OrgName:        Fastly, Inc.
OrgId:          SKYCA-3
Address:        PO Box 78266
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        2011-09-16
Updated:        2025-03-25
Ref:            https://rdap.arin.net/registry/entity/SKYCA-3


OrgAbuseHandle: ABUSE4771-ARIN
OrgAbuseName:   Abuse Account
OrgAbusePhone:  +1-415-496-9353 
OrgAbuseEmail:  abuse@fastly.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4771-ARIN

OrgNOCHandle: FNO19-ARIN
OrgNOCName:   Fastly Network Operations
OrgNOCPhone:  +1-415-404-9374 
OrgNOCEmail:  noc@fastly.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/FNO19-ARIN

OrgTechHandle: FRA19-ARIN
OrgTechName:   Fastly RIR Administrator
OrgTechPhone:  +1-415-404-9374 
OrgTechEmail:  rir-admin@fastly.com
OrgTechRef:    https://rdap.arin.net/registry/entity/FRA19-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "394192",
    "as_handle" : "AS394192",
    "as_name" : "FASTLY-TRIBUTARY",
    "tech_contacts" : [ "FRA19-ARIN" ],
    "abuse_contacts" : [ "ABUSE4771-ARIN" ],
    "date_created" : "2015-07-02",
    "date_updated" : "2026-09-21",
    "source" : "https://rdap.arin.net/registry/autnum/394192"
  } ],
  "organization" : {
    "handle" : "SKYCA-3",
    "name" : "Fastly, Inc.",
    "address" : [ "PO Box 78266", "San Francisco", "CA", "94107", "US" ],
    "city" : "San Francisco",
    "state" : "CA",
    "zip_code" : "94107",
    "country" : [ "US" ],
    "date_created" : "2011-09-16",
    "date_updated" : "2025-03-25",
    "source" : "https://rdap.arin.net/registry/entity/SKYCA-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "FRA19-ARIN",
    "name" : "Fastly RIR Administrator",
    "email" : [ "rir-admin@fastly.com" ],
    "phone" : [ "+1-415-404-9374" ],
    "source" : "https://rdap.arin.net/registry/entity/FRA19-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE4771-ARIN",
    "name" : "Abuse Account",
    "email" : [ "abuse@fastly.com" ],
    "phone" : [ "+1-415-496-9353" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE4771-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS54113	Fastly, Inc.	US

Upstreams

AS Number	Description	Country
AS54113	Fastly, Inc.	US

Contacts

Email Contacts

rir-admin@fastly.com

Abuse Contacts

abuse@fastly.com

Legacy Routes

87.81.244.0/24 2a04:4e41:50::/48