ASN AS16525 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.

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AS16525 KBR | IPGeolocation.io

ASN Lookup Tool

KBR kbr.com

US 9 Routes

AS Data

AS16525

AS16525 – KBR

AS Number	16525
AS Name	KBR
Organization	KBR (kbr-3)
Country	US
Website	kbr.com
Number of IPv4 Routes	9
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-04-13

ASN Intelligence API for production workflows

Use ASN data for AS16525 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
161.51.22.0/24	AS16525	KBR	KBR	256
161.51.4.0/22	AS16525	KBR	KBR	1024
161.51.10.0/24	AS16525	KBR	KBR	256
161.51.11.0/24	AS16525	KBR	KBR	256
161.51.0.0/22	AS16525	KBR	KBR	1024
161.51.21.0/24	AS16525	KBR	KBR	256
161.51.20.0/24	AS16525	KBR	KBR	256
161.51.24.0/22	AS16525	KBR	KBR	1024
161.51.8.0/24	AS16525	KBR	KBR	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:       16525
ASName:         KBR
ASHandle:       AS16525
RegDate:        2007-04-13
Updated:        2012-02-24
Ref:            https://rdap.arin.net/registry/autnum/16525


OrgName:        KBR
OrgId:          KBR-3
Address:        601 Jefferson Ave
City:           Houston
StateProv:      TX
PostalCode:     77002
Country:        US
RegDate:        2004-11-15
Updated:        2020-02-13
Ref:            https://rdap.arin.net/registry/entity/KBR-3


OrgTechHandle: HERRI169-ARIN
OrgTechName:   Herrington, Mandy 
OrgTechPhone:  +1-713-753-4946 
OrgTechEmail:  mandy.herrington@kbr.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HERRI169-ARIN

OrgAbuseHandle: TECHN193-ARIN
OrgAbuseName:   Technical POC
OrgAbusePhone:  +1-713-753-4357 
OrgAbuseEmail:  kbrdnsadmin@kbr.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHN193-ARIN

OrgTechHandle: TECHN193-ARIN
OrgTechName:   Technical POC
OrgTechPhone:  +1-713-753-4357 
OrgTechEmail:  kbrdnsadmin@kbr.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN193-ARIN

RTechHandle: TECHN193-ARIN
RTechName:   Technical POC
RTechPhone:  +1-713-753-4357 
RTechEmail:  kbrdnsadmin@kbr.com
RTechRef:    https://rdap.arin.net/registry/entity/TECHN193-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" : "16525",
    "as_handle" : "AS16525",
    "as_name" : "KBR",
    "tech_contacts" : [ "HERRI169-ARIN", "TECHN193-ARIN", "TECHN193-ARIN" ],
    "abuse_contacts" : [ "TECHN193-ARIN" ],
    "date_created" : "2007-04-13",
    "date_updated" : "2012-02-24",
    "source" : "https://rdap.arin.net/registry/autnum/16525"
  } ],
  "organization" : {
    "handle" : "KBR-3",
    "name" : "KBR",
    "address" : [ "601 Jefferson Ave", "Houston", "TX", "77002", "US" ],
    "street" : "Jefferson Ave",
    "city" : "Houston",
    "state" : "TX",
    "zip_code" : "77002",
    "country" : [ "US" ],
    "date_created" : "2004-11-15",
    "date_updated" : "2020-02-13",
    "source" : "https://rdap.arin.net/registry/entity/KBR-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HERRI169-ARIN",
    "name" : "Herrington, Mandy",
    "email" : [ "mandy.herrington@kbr.com" ],
    "phone" : [ "+1-713-753-4946" ],
    "source" : "https://rdap.arin.net/registry/entity/HERRI169-ARIN"
  }, {
    "handle" : "TECHN193-ARIN",
    "name" : "Technical POC",
    "email" : [ "kbrdnsadmin@kbr.com" ],
    "phone" : [ "+1-713-753-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN193-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "TECHN193-ARIN",
    "name" : "Technical POC",
    "email" : [ "kbrdnsadmin@kbr.com" ],
    "phone" : [ "+1-713-753-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/TECHN193-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS2856	British Telecommunications PLC	GB
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.	NL
AS13767	DataBank Holdings, Ltd.	US

Upstreams

AS Number	Description	Country
AS2856	British Telecommunications PLC	GB
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS13767	DataBank Holdings, Ltd.	US