ASN AS10273 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10273?

AS10273 is listed under Florida Power & Light Company.

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?

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AS10273 Florida Power & Light Company

ASN Lookup Tool

Florida Power & Light Company fpl.com

US 27 Routes

AS Data

AS10273

AS10273 – Florida Power & Light Company

AS Number	10273
AS Name	FPL
Organization	Florida Power & Light Company (ffpl-1)
Country	US
Website	fpl.com
Number of IPv4 Routes	27
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1997-06-03

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Use ASN data for AS10273 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
161.154.235.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.8.0/23	AS10273	Florida Power & Light Company	Florida Power & Light Company	512
161.154.39.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.212.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.178.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.8.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.64.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.0.0/16	AS10273	Florida Power & Light Company	Florida Power & Light Company	65536
155.109.35.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	256
155.109.29.0/24	AS10273	Florida Power & Light Company	Florida Power & Light Company	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:       10273
ASName:         FPL
ASHandle:       AS10273
RegDate:        1997-06-03
Updated:        2016-03-18
Ref:            https://rdap.arin.net/registry/autnum/10273


OrgName:        Florida Power & Light Company
OrgId:          FFPL-1
Address:        4200 W. Flagler St
Address:        Attn: Alexander Montoya
City:           Miami
StateProv:      FL
PostalCode:     33134
Country:        US
RegDate:        1997-06-03
Updated:        2024-07-12
Ref:            https://rdap.arin.net/registry/entity/FFPL-1


OrgAbuseHandle: NOCCO34-ARIN
OrgAbuseName:   NOC Contact
OrgAbusePhone:  +1-305-442-5362 
OrgAbuseEmail:  ARIN-ADMIN@NextEraEnergy.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOCCO34-ARIN

OrgAbuseHandle: SYSTE776-ARIN
OrgAbuseName:   SystemAdmin
OrgAbusePhone:  +1-305-905-3468 
OrgAbuseEmail:  alexander.montoya@fpl.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SYSTE776-ARIN

OrgNOCHandle: NOCCO34-ARIN
OrgNOCName:   NOC Contact
OrgNOCPhone:  +1-305-442-5362 
OrgNOCEmail:  ARIN-ADMIN@NextEraEnergy.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOCCO34-ARIN

OrgTechHandle: SYSTE776-ARIN
OrgTechName:   SystemAdmin
OrgTechPhone:  +1-305-905-3468 
OrgTechEmail:  alexander.montoya@fpl.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SYSTE776-ARIN

OrgNOCHandle: SYSTE776-ARIN
OrgNOCName:   SystemAdmin
OrgNOCPhone:  +1-305-905-3468 
OrgNOCEmail:  alexander.montoya@fpl.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SYSTE776-ARIN

OrgTechHandle: TECHC53-ARIN
OrgTechName:   Tech Contact
OrgTechPhone:  +1-786-228-2417 
OrgTechEmail:  jose.luis.gonzalez@fpl.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHC53-ARIN

OrgTechHandle: NOCCO34-ARIN
OrgTechName:   NOC Contact
OrgTechPhone:  +1-305-442-5362 
OrgTechEmail:  ARIN-ADMIN@NextEraEnergy.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOCCO34-ARIN

RTechHandle: LEWIS35-ARIN
RTechName:   Lewis, Tim 
RTechPhone:  +1-305-552-4041 
RTechEmail:  tim.lewis@fpl.com
RTechRef:    https://rdap.arin.net/registry/entity/LEWIS35-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" : "10273",
    "as_handle" : "AS10273",
    "as_name" : "FPL",
    "tech_contacts" : [ "SYSTE776-ARIN", "TECHC53-ARIN", "NOCCO34-ARIN", "LEWIS35-ARIN" ],
    "abuse_contacts" : [ "NOCCO34-ARIN", "SYSTE776-ARIN" ],
    "date_created" : "1997-06-03",
    "date_updated" : "2016-03-18",
    "source" : "https://rdap.arin.net/registry/autnum/10273"
  } ],
  "organization" : {
    "handle" : "FFPL-1",
    "name" : "Florida Power & Light Company",
    "address" : [ "4200 W. Flagler St", "Attn: Alexander Montoya", "Miami", "FL", "33134", "US" ],
    "street" : "W. Flagler St Attn Alexander Montoya",
    "city" : "Miami",
    "state" : "FL",
    "zip_code" : "33134",
    "country" : [ "US" ],
    "date_created" : "1997-06-03",
    "date_updated" : "2024-07-12",
    "source" : "https://rdap.arin.net/registry/entity/FFPL-1",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "SYSTE776-ARIN",
    "name" : "SystemAdmin",
    "email" : [ "alexander.montoya@fpl.com" ],
    "phone" : [ "+1-305-905-3468" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSTE776-ARIN"
  }, {
    "handle" : "TECHC53-ARIN",
    "name" : "Tech Contact",
    "email" : [ "jose.luis.gonzalez@fpl.com" ],
    "phone" : [ "+1-786-228-2417" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHC53-ARIN"
  }, {
    "handle" : "NOCCO34-ARIN",
    "name" : "NOC Contact",
    "email" : [ "ARIN-ADMIN@NextEraEnergy.com" ],
    "phone" : [ "+1-305-442-5362" ],
    "source" : "https://rdap.arin.net/registry/entity/NOCCO34-ARIN"
  }, {
    "handle" : "LEWIS35-ARIN",
    "name" : "Lewis, Tim",
    "email" : [ "tim.lewis@fpl.com" ],
    "phone" : [ "+1-305-552-4041" ],
    "source" : "https://rdap.arin.net/registry/entity/LEWIS35-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOCCO34-ARIN",
    "name" : "NOC Contact",
    "email" : [ "ARIN-ADMIN@NextEraEnergy.com" ],
    "phone" : [ "+1-305-442-5362" ],
    "source" : "https://rdap.arin.net/registry/entity/NOCCO34-ARIN"
  }, {
    "handle" : "SYSTE776-ARIN",
    "name" : "SystemAdmin",
    "email" : [ "alexander.montoya@fpl.com" ],
    "phone" : [ "+1-305-905-3468" ],
    "source" : "https://rdap.arin.net/registry/entity/SYSTE776-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS33132	Crown Castle Fiber LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS33132	Crown Castle Fiber LLC	US
AS3356	Level 3 Parent, LLC	US