ASN AS1856 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1856?

AS1856 is listed under RTX BBN Technologies, 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?

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AS1856 RTX BBN Technologies, Inc.

ASN Lookup Tool

RTX BBN Technologies, Inc. bbn.com

US 17 Routes

AS Data

AS1856

AS1856 – RTX BBN Technologies, Inc.

AS Number	1856
AS Name	DISN-PILOTNET2
Organization	RTX BBN Technologies, Inc. (rbtc-z)
Country	US
Website	bbn.com
Number of IPv4 Routes	17
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1992-05-27

ASN Intelligence API for production workflows

Use ASN data for AS1856 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
128.33.0.0/16	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	65536
192.1.110.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.120.0/23	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	512
192.1.113.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.140.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.24.0/21	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	2048
192.1.20.0/22	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	1024
192.1.0.0/22	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	1024
192.1.64.0/19	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	8192
192.1.8.0/21	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	2048
192.1.32.0/20	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	4096
192.1.122.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.144.0/21	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	2048
192.1.124.0/22	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	1024
128.33.194.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.7.0/24	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	256
192.1.4.0/23	AS1856	RTX BBN Technologies, Inc.	RTX BBN Technologies, Inc.	512

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:       1856
ASName:         DISN-PILOTNET2
ASHandle:       AS1856
RegDate:        1992-05-27
Updated:        2022-09-20
Ref:            https://rdap.arin.net/registry/autnum/1856


OrgName:        RTX BBN Technologies, Inc.
OrgId:          RBTC-Z
Address:        10 Moulton St.
City:           Cambridge
StateProv:      MA
PostalCode:     02138
Country:        US
RegDate:        2018-03-19
Updated:        2024-03-15
Ref:            https://rdap.arin.net/registry/entity/RBTC-Z


OrgTechHandle: AJC44-ARIN
OrgTechName:   Chinique, Alberto Jesus
OrgTechPhone:  +1-410-290-6158 
OrgTechEmail:  achiniqu@bbn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/AJC44-ARIN

OrgAbuseHandle: GILLE168-ARIN
OrgAbuseName:   Gillen, Matthew 
OrgAbusePhone:  +1-617-873-5263 
OrgAbuseEmail:  mgillen@bbn.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GILLE168-ARIN

OrgTechHandle: GILLE168-ARIN
OrgTechName:   Gillen, Matthew 
OrgTechPhone:  +1-617-873-5263 
OrgTechEmail:  mgillen@bbn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GILLE168-ARIN

OrgNOCHandle: GILLE168-ARIN
OrgNOCName:   Gillen, Matthew 
OrgNOCPhone:  +1-617-873-5263 
OrgNOCEmail:  mgillen@bbn.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GILLE168-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" : "1856",
    "as_handle" : "AS1856",
    "as_name" : "DISN-PILOTNET2",
    "tech_contacts" : [ "AJC44-ARIN", "GILLE168-ARIN" ],
    "abuse_contacts" : [ "GILLE168-ARIN" ],
    "date_created" : "1992-05-27",
    "date_updated" : "2022-09-20",
    "source" : "https://rdap.arin.net/registry/autnum/1856"
  } ],
  "organization" : {
    "handle" : "RBTC-Z",
    "name" : "RTX BBN Technologies, Inc.",
    "address" : [ "10 Moulton St.", "Cambridge", "MA", "02138", "US" ],
    "street" : "Moulton St.",
    "city" : "Cambridge",
    "state" : "MA",
    "zip_code" : "02138",
    "country" : [ "US" ],
    "date_created" : "2018-03-19",
    "date_updated" : "2024-03-15",
    "source" : "https://rdap.arin.net/registry/entity/RBTC-Z",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "AJC44-ARIN",
    "name" : "Chinique, Alberto Jesus",
    "email" : [ "achiniqu@bbn.com" ],
    "phone" : [ "+1-410-290-6158" ],
    "source" : "https://rdap.arin.net/registry/entity/AJC44-ARIN"
  }, {
    "handle" : "GILLE168-ARIN",
    "name" : "Gillen, Matthew",
    "email" : [ "mgillen@bbn.com" ],
    "phone" : [ "+1-617-873-5263" ],
    "source" : "https://rdap.arin.net/registry/entity/GILLE168-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GILLE168-ARIN",
    "name" : "Gillen, Matthew",
    "email" : [ "mgillen@bbn.com" ],
    "phone" : [ "+1-617-873-5263" ],
    "source" : "https://rdap.arin.net/registry/entity/GILLE168-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US