ASN AS27257 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27257?

AS27257 is listed under Webair Internet Development Company 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.

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AS27257 Webair Internet Development Company Inc.

ASN Lookup Tool

Webair Internet Development Company Inc. opti9tech.com

US 99 Routes

AS Data

AS27257

AS27257 – Webair Internet Development Company Inc.

AS Number	27257
AS Name	WEBAIR-INTERNET
Organization	Webair Internet Development Company Inc. (wair)
Country	US
Website	opti9tech.com
Number of IPv4 Routes	96
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-02-03

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Use ASN data for AS27257 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.53.4.0/24	AS27257	Webair Internet Development Company Inc.	Michiel Van Opstal	256
69.42.162.0/24	AS27257	Webair Internet Development Company Inc.	Colo Network	256
173.239.0.0/18	AS27257	Webair Internet Development Company Inc.	Webair Internet Development Company Inc.	16384
67.55.69.0/24	AS27257	Webair Internet Development Company Inc.	Webair	256
162.254.51.129/32	AS27257	Webair Internet Development Company Inc.	Webair	1
174.137.137.0/24	AS27257	Webair Internet Development Company Inc.	Webair Internet Development Company Inc.	256
199.193.72.0/21	AS27257	Webair Internet Development Company Inc.	Webair Internet Development Company Inc.	2048
198.134.114.0/24	AS27257	Webair Internet Development Company Inc.	Globtech LLC.	256
74.206.231.0/24	AS27257	Webair Internet Development Company Inc.	Webair Internet Development Company Inc.	256
173.239.43.0/24	AS27257	Webair Internet Development Company Inc.	Webair	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:       27257
ASName:         WEBAIR-INTERNET
ASHandle:       AS27257
RegDate:        2003-02-03
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/27257


OrgName:        Webair Internet Development Company Inc.
OrgId:          WAIR
Address:        501 Franklin Avenue
Address:        Suite 200
City:           Garden City
StateProv:      NY
PostalCode:     11530
Country:        US
RegDate:        2001-03-12
Updated:        2025-06-03
Comment:        Reassignment information for this block is available at rwhois.webair.com port 4321
Ref:            https://rdap.arin.net/registry/entity/WAIR

ReferralServer:  rwhois://rwhois.webair.com:4321

OrgTechHandle: ZW64-ARIN
OrgTechName:   IPAdmin-Webair
OrgTechPhone:  +1-866-932-2471 
OrgTechEmail:  andrew.halucha@opti9tech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZW64-ARIN

OrgAbuseHandle: WEBAI-ARIN
OrgAbuseName:   webair
OrgAbusePhone:  +1-516-938-4100 
OrgAbuseEmail:  abuse@opti9tech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WEBAI-ARIN

RNOCHandle: ZW64-ARIN
RNOCName:   IPAdmin-Webair
RNOCPhone:  +1-866-932-2471 
RNOCEmail:  andrew.halucha@opti9tech.com
RNOCRef:    https://rdap.arin.net/registry/entity/ZW64-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" : "27257",
    "as_handle" : "AS27257",
    "as_name" : "WEBAIR-INTERNET",
    "tech_contacts" : [ "ZW64-ARIN" ],
    "abuse_contacts" : [ "WEBAI-ARIN" ],
    "date_created" : "2003-02-03",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/27257"
  } ],
  "organization" : {
    "handle" : "WAIR",
    "name" : "Webair Internet Development Company Inc.",
    "address" : [ "501 Franklin Avenue", "Suite 200", "Garden City", "NY", "11530", "US" ],
    "street" : "Franklin Avenue",
    "city" : "Garden City",
    "state" : "NY",
    "zip_code" : "11530",
    "country" : [ "US" ],
    "date_created" : "2001-03-12",
    "date_updated" : "2025-06-03",
    "source" : "https://rdap.arin.net/registry/entity/WAIR",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZW64-ARIN",
    "name" : "IPAdmin-Webair",
    "email" : [ "andrew.halucha@opti9tech.com" ],
    "phone" : [ "+1-866-932-2471" ],
    "source" : "https://rdap.arin.net/registry/entity/ZW64-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "WEBAI-ARIN",
    "name" : "webair",
    "email" : [ "abuse@opti9tech.com" ],
    "phone" : [ "+1-516-938-4100" ],
    "source" : "https://rdap.arin.net/registry/entity/WEBAI-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS46323	Telebroad LLC	US
AS39249	Netassist International EOOD	BG
AS6939	Hurricane Electric LLC	US
AS25091	IP Max SA	CH
AS47019	Ergonomic Group Inc.	US
AS2516	KDDI CORPORATION	JP
AS56665	Proximus Luxembourg S.A.	LU
AS3303	Swisscom (Schweiz) AG	CH
AS3303	Swisscom Schweiz AG	CH

Upstreams

AS Number	Description	Country
AS14840	BR.Digital Telecom	BR
AS39249	Netassist International EOOD	BG
AS29838	Atlantic Metro Communications II, Inc.	US
AS29632	Netassist International EOOD	BG
AS3303	Swisscom Schweiz AG	CH
AS25091	IP Max SA	CH
AS6939	Hurricane Electric LLC	US
AS174	Cogent Communications, LLC	US
AS2516	KDDI CORPORATION	JP
AS34549	meerfarbig GmbH & Co. KG	DE

Downstreams

AS Number	Description	Country
AS46323	Telebroad LLC	US
AS47019	Ergonomic Group Inc.	US
AS14712	One Step Consulting, Inc.	US
AS395853	NYC Mesh Inc.	US
AS395383	Cologuard	US

Contacts

Email Contacts

andrew.halucha@opti9tech.com

Abuse Contacts

abuse@opti9tech.com

Legacy Routes

103.14.98.0/24