ASN AS1766 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1766?

AS1766 is listed under Exxon Mobil Corporation.

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.

AS1766 Exxon Mobil Corporation

ASN Lookup Tool

Exxon Mobil Corporation exxonmobil.com

US 27 Routes

AS Data

AS1766

AS1766 – Exxon Mobil Corporation

AS Number	1766
AS Name	ASN-EXXONMOBIL-US
Organization	Exxon Mobil Corporation (emc-55)
Country	US
Website	exxonmobil.com
Number of IPv4 Routes	27
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1992-03-13

ASN Intelligence API for production workflows

Use ASN data for AS1766 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
158.28.254.0/24	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	256
158.26.88.0/21	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	2048
158.26.102.0/23	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	512
158.26.18.0/24	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	256
158.26.208.0/21	AS1766	Exxon Mobil Corporation	EMS	2048
158.26.152.0/21	AS1766	Exxon Mobil Corporation	ExxonMobil BSC EAME UK	2048
158.35.184.0/22	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	1024
158.28.226.0/24	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	256
158.28.255.0/24	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	256
158.26.64.0/21	AS1766	Exxon Mobil Corporation	Exxon Mobil Corporation	2048

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:       1766
ASName:         ASN-EXXONMOBIL-US
ASHandle:       AS1766
RegDate:        1992-03-13
Updated:        2023-01-09
Ref:            https://rdap.arin.net/registry/autnum/1766


OrgName:        Exxon Mobil Corporation
OrgId:          EMC-55
Address:        P.O. Box 8519
City:           Spring
StateProv:      TX
PostalCode:     77387-8519
Country:        US
RegDate:        2002-11-06
Updated:        2019-06-13
Ref:            https://rdap.arin.net/registry/entity/EMC-55


OrgTechHandle: ROLEA9-ARIN
OrgTechName:   Role Account
OrgTechPhone:  +1-832-624-8555 
OrgTechEmail:  gsc-emit-arin@exxonmobil.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROLEA9-ARIN

OrgAbuseHandle: ROLEA9-ARIN
OrgAbuseName:   Role Account
OrgAbusePhone:  +1-832-624-8555 
OrgAbuseEmail:  gsc-emit-arin@exxonmobil.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROLEA9-ARIN

RTechHandle: ROLEA9-ARIN
RTechName:   Role Account
RTechPhone:  +1-832-624-8555 
RTechEmail:  gsc-emit-arin@exxonmobil.com
RTechRef:    https://rdap.arin.net/registry/entity/ROLEA9-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" : "1766",
    "as_handle" : "AS1766",
    "as_name" : "ASN-EXXONMOBIL-US",
    "tech_contacts" : [ "ROLEA9-ARIN", "ROLEA9-ARIN" ],
    "abuse_contacts" : [ "ROLEA9-ARIN" ],
    "date_created" : "1992-03-13",
    "date_updated" : "2023-01-09",
    "source" : "https://rdap.arin.net/registry/autnum/1766"
  } ],
  "organization" : {
    "handle" : "EMC-55",
    "name" : "Exxon Mobil Corporation",
    "address" : [ "P.O. Box 8519", "Spring", "TX", "77387-8519", "US" ],
    "city" : "Spring",
    "state" : "TX",
    "zip_code" : "77387-8519",
    "country" : [ "US" ],
    "date_created" : "2002-11-06",
    "date_updated" : "2019-06-13",
    "source" : "https://rdap.arin.net/registry/entity/EMC-55",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ROLEA9-ARIN",
    "name" : "Role Account",
    "email" : [ "gsc-emit-arin@exxonmobil.com" ],
    "phone" : [ "+1-832-624-8555" ],
    "source" : "https://rdap.arin.net/registry/entity/ROLEA9-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ROLEA9-ARIN",
    "name" : "Role Account",
    "email" : [ "gsc-emit-arin@exxonmobil.com" ],
    "phone" : [ "+1-832-624-8555" ],
    "source" : "https://rdap.arin.net/registry/entity/ROLEA9-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS4812	China Telecom (Group)	CN
AS21371	EQUINIX (SERVICES) LIMITED	GB
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS7018	AT&T Enterprises, LLC	US
AS140317	CHINATELECOM Guangdong province Shaoguan 5G network	CN
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS19366	Fibertown	US
AS4812	Shanghai Telecom Company	CN
AS394437	PS Lightwave	US
AS21371	EQUINIX SERVICES LIMITED	GB

Upstreams

AS Number	Description	Country
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS7018	AT&T Enterprises, LLC	US
AS19366	Fibertown	US
AS4812	Shanghai Telecom Company	CN
AS394437	PS Lightwave	US
AS21371	EQUINIX SERVICES LIMITED	GB
AS19863	Guyana Telephone & Telegraph Co.	GY
AS140317	China Telecom	CN
AS3356	Level 3 Parent, LLC	US