ASN AS21700 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21700?

AS21700 is listed under Neptune Networks, LLC.

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.

AS21700 Neptune Networks, LLC

Neptune Networks, LLC neptunenetworks.com

US 10 Routes

AS Data

AS21700

AS21700 – Neptune Networks, LLC

AS Number	21700
AS Name	NEPTUNE-NETWORKS
Organization	Neptune Networks, LLC (nnl-66)
Country	US
Website	neptunenetworks.com
Number of IPv4 Routes	8
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2020-12-04

ASN Intelligence API for production workflows

Use ASN data for AS21700 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
2606:f1c0::/32	AS21700	Neptune Networks, LLC	T&E ENTITIES, Inc	~79×10²⁷
23.157.160.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	256
2602:fe2e::/37	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	~2×10²⁷
157.254.142.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	256
216.74.121.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	256
209.151.100.0/22	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	1024
216.126.57.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	256
172.82.22.0/23	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	512
192.109.165.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	256
159.148.114.0/24	AS21700	Neptune Networks, LLC	Neptune Networks, LLC	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:       21700
ASName:         NEPTUNE-NETWORKS
ASHandle:       AS21700
RegDate:        2020-12-04
Updated:        2020-12-04
Ref:            https://rdap.arin.net/registry/autnum/21700


OrgName:        Neptune Networks, LLC
OrgId:          NNL-66
Address:        PO Box 220284
City:           Brooklyn
StateProv:      NY
PostalCode:     11222
Country:        US
RegDate:        2020-06-04
Updated:        2020-08-05
Ref:            https://rdap.arin.net/registry/entity/NNL-66


OrgDNSHandle: NOC32887-ARIN
OrgDNSName:   noc
OrgDNSPhone:  +1-860-373-0060 
OrgDNSEmail:  noc@neptunenetworks.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC32887-ARIN

OrgRoutingHandle: NOC32887-ARIN
OrgRoutingName:   noc
OrgRoutingPhone:  +1-860-373-0060 
OrgRoutingEmail:  noc@neptunenetworks.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC32887-ARIN

OrgAbuseHandle: ABUSE7300-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-860-373-0060 
OrgAbuseEmail:  abuse@neptunenetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7300-ARIN

OrgNOCHandle: NOC32887-ARIN
OrgNOCName:   noc
OrgNOCPhone:  +1-860-373-0060 
OrgNOCEmail:  noc@neptunenetworks.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32887-ARIN

OrgTechHandle: NOC32887-ARIN
OrgTechName:   noc
OrgTechPhone:  +1-860-373-0060 
OrgTechEmail:  noc@neptunenetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC32887-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" : "21700",
    "as_handle" : "AS21700",
    "as_name" : "NEPTUNE-NETWORKS",
    "admin_contacts" : [ "NOC32887-ARIN" ],
    "tech_contacts" : [ "NOC32887-ARIN", "NOC32887-ARIN" ],
    "abuse_contacts" : [ "ABUSE7300-ARIN" ],
    "date_created" : "2020-12-04",
    "date_updated" : "2020-12-04",
    "source" : "https://rdap.arin.net/registry/autnum/21700"
  } ],
  "organization" : {
    "handle" : "NNL-66",
    "name" : "Neptune Networks, LLC",
    "address" : [ "PO Box 220284", "Brooklyn", "NY", "11222", "US" ],
    "city" : "Brooklyn",
    "state" : "NY",
    "zip_code" : "11222",
    "country" : [ "US" ],
    "date_created" : "2020-06-04",
    "date_updated" : "2020-08-05",
    "source" : "https://rdap.arin.net/registry/entity/NNL-66",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "NOC32887-ARIN",
    "name" : "noc",
    "email" : [ "noc@neptunenetworks.com" ],
    "phone" : [ "+1-860-373-0060" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32887-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "NOC32887-ARIN",
    "name" : "noc",
    "email" : [ "noc@neptunenetworks.com" ],
    "phone" : [ "+1-860-373-0060" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32887-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE7300-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@neptunenetworks.com" ],
    "phone" : [ "+1-860-373-0060" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE7300-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS397031	GALAXYGATE, LLC	US
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS13030	Init7 (Switzerland) Ltd.	CH
AS26548	PureVoltage Hosting Inc.	US
AS286	GTT Communications Inc.	US
AS14537	Continent 8 LLC	US
AS37468	Angola Cables	AO
AS199524	G-Core Labs S.A.	LU
AS959	OHANACRAFT, LLC	US
AS14773	Lancaster Lebanon Intermediate Unit 13	US
AS399647	Rumble USA Inc.	US
AS212123	Red Panda Network	BE
AS16509	Amazon.com, Inc.	US
AS1000	LINK AMERICAN	US
AS58453	China Mobile International Limited	HK
AS399992	KJTDNET	US
AS402270	Softeryx inc	US
AS34655	JWE S.a r.l.	LU
AS36692	Cisco OpenDNS, LLC	US
AS6507	Riot Games, Inc	US
AS402240	Wayfire Technologies LLC	US
AS28663	FLYS INTERATIVA LTDA	BR
AS22302	INOC, LLC	US
AS1547	INTERDNESTRKOM, Sovmestnoe Zakrytoe Aktsionernoe Obshchestvo	MD
AS396356	Latitude.sh	US
AS1031	PEER 1031 LLC	US
AS29838	Atlantic Metro Communications II, Inc.	US
AS396317	Vitalink LLC	US
AS400941	Nubinity, LLC	US
AS32787	Akamai Technologies, Inc.	US
AS215887	Serhiy Bobrov	UA
AS19752	Hydro One Telecom Inc.	CA
AS262761	Sinal Br Telecom Ltda	BR
AS17138	Matt Peterman Sole Proprietor	US
AS20438	Stoo Networks LLC	US
AS267056	EVEREST RIDGE DO BRASIL LTDA	BR
AS14061	DigitalOcean, LLC	US
AS19679	Dropbox, Inc.	US
AS31950	Data Network Solutions	US
AS4455	IX Reach Ltd	GB
AS21949	Beanfield Technologies Inc.	CA
AS10310	Yahoo Holdings Inc.	US
AS401363	Lyncross LLC	US
AS263998	Machado & Mascarelo Sonorizacao Ltda	BR
AS9002	RETN Limited	GB
AS263444	Open X Tecnologia Ltda	BR
AS7342	VeriSign Infrastructure & Operations	US
AS41327	Fiber Telecom S.p.A.	IT
AS13786	Seabras 1 USA, LLC	US
AS18450	WebNX, Inc.	US
AS26533	STiBaRC	US
AS63949	Akamai Connected Cloud	SG
AS198781	Connect Managed Services UK Limited	GB
AS25697	UpCloud USA Inc	US
AS401227	Jouleworks	US
AS9498	Bharti Airtel Limited	IN
AS40244	Turnkey Internet Inc.	US
AS207890	Andrew Williams	GB
AS8359	MTS PJSC	RU
AS400587	Ryamer, LLC	US

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS9002	RETN Limited	GB
AS6939	Hurricane Electric LLC	US
AS8359	MTS PJSC	RU
AS286	GTT Communications Inc.	US
AS174	Cogent Communications, LLC	US
AS13030	Init7 Switzerland Ltd.	CH
AS33891	Core Backbone GmbH	DE
AS41327	Fiber Telecom S.p.A.	IT
AS37468	Angola Cables	AO
AS13786	Seabras 1 USA, LLC	US
AS3257	GTT Communications Inc.	US
AS137409	GSL Networks Pty LTD	AU

Downstreams

AS Number	Description	Country
AS200766	Kerry Lynn brown jr	US
AS399914	N LAB	US
AS401227	Jouleworks	US
AS207890	Andrew Williams	GB
AS46983	crunchdev LLC	US
AS209199	Cloud Unboxed Limited	GB
AS152848	asdf.hk	HK
AS197569	BASED ON WHAT LLC	US
AS213092	Acrion International Limited	GB
AS959	OHANACRAFT, LLC	US
AS400312	KHITOMER NETWORKS, LLC	US
AS398987	PhirePhly Design	US
AS212123	Red Panda Network	BE
AS35866	Silver Chip Interactive	US
AS205414	Gabriel Leonte	RO
AS57883	NITAET	UA
AS219370	Benjamin Johnson	GB
AS402668	One Free Computer Inc.	US
AS399992	KJTDNET	US
AS215931	BARNA CONSULTING S.A.S.	FR
AS402270	Softeryx inc	US
AS402240	Wayfire Technologies LLC	US
AS10779	StepBroBD, Inc.	US
AS153039	Protected Networks	US
AS961	Achieve Wireless Inc	US
AS205956	Louis Poinsignon	FR
AS206208	Pusic Jurai	ES
AS402164	Rofael Aleezada, Sole Proprietorship	US
AS400941	Nubinity, LLC	US
AS400550	Suburban Marine, Inc.	US
AS215887	Serhiy Bobrov	UA
AS18470	GraceWorks, LLC	US
AS17138	Matt Peterman Sole Proprietor	US
AS20438	Stoo Networks LLC	US
AS214022	Joseph Rawlings trading as Virtnet.bond	US
AS203943	ALEXANDER NICHOLSON	AU
AS210173	Tobias Peltzer	DE
AS214828	StarLight Network, Inc.	US
AS402450	ji's Consulting, LLC	US
AS400366	Freestyle Services LLC	US
AS13849	Blockinetic LLC	US
AS215207	Henrik Van Tassell	US
AS53727	Penguin Networks	US
AS401363	Lyncross LLC	US
AS400967	Assured Networks	US
AS211169	CaramelFox Networks LLC	US
AS19949	FNFISP	US
AS63229	Nocturnal Networks	US
AS208915	HYPERLXC MEDICAL LTD	GB
AS36072	12 Commas LLC	US
AS63183	Ything LLC	US
AS53343	Ntrix Infrastructure	US
AS54098	LIONLINK NETWORKS	US
AS21820	V6 FOR YOU LLC	US
AS26533	STiBaRC	US
AS400490	Two Bit Hacks, LLC	US
AS12654	Reseaux IP Europeens Network Coordination Centre RIPE NCC	NL