ASN AS4128 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4128?

AS4128 is listed under RGnet OU.

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.

AS4128 RGnet OU | IPGeolocation.io

ASN Lookup Tool

RGnet OU bogus.com

EE 2 Routes

AS Data

AS4128

AS4128 – RGnet OU

AS Number	4128
AS Name	RGNET-DFW
Organization	RGnet OU (org-ro47-ripe)
Country	EE
Website	bogus.com
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	LEGACY
Registry	RIPE
Date Allocated	1970-01-01

ASN Intelligence API for production workflows

Use ASN data for AS4128 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
2001:418:3807::/48	AS4128	RGnet OU	NTT America, Inc.	~1×10²⁴
198.180.152.0/24	AS4128	RGnet OU	RGnet OU	256

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS4128 - AS4128'

as-block:       AS4128 - AS4128
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2019-06-17T14:43:02Z
last-modified:  2019-06-17T14:43:02Z
source:         RIPE

% Information related to 'AS4128'

% Abuse contact for 'AS4128' is 'blackhole@bogus.com'

aut-num:        AS4128
as-name:        RGNET-DFW
descr:          RGnet Dallas Equinix
org:            ORG-RO47-RIPE
import:         from AS2914 accept ANY
export:         to AS2914 announce AS4128
import:         from AS24115 accept ANY
export:         to AS24115 announce AS4128
admin-c:        RB45695-RIPE
tech-c:         RB45695-RIPE
status:         LEGACY
mnt-by:         MAINT-RGNET
mnt-by:         RIPE-NCC-LEGACY-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2019-06-19T13:11:32Z
source:         RIPE # Filtered

organisation:   ORG-RO47-RIPE
org-name:       RGnet OU
country:        EE
org-type:       LIR
address:        Sakala tn 7-2
address:        EE-10141
address:        Tallinn
address:        ESTONIA
phone:          +1 206 356 8341
admin-c:        RB45695-RIPE
tech-c:         RB45695-RIPE
abuse-c:        AR52766-RIPE
mnt-ref:        MAINT-RGNET
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MAINT-RGNET
created:        2019-05-20T12:22:32Z
last-modified:  2020-12-16T12:40:48Z
source:         RIPE # Filtered

person:         Randy Bush
address:        RGnet O�
address:        Sakala tn 7-2
address:        Tallinn
address:        EE-10141
address:        Estonia
phone:          +1 206 356 8341
nic-hdl:        RB45695-RIPE
mnt-by:         MAINT-RGNET
created:        2019-05-20T12:22:32Z
last-modified:  2024-07-06T16:08:10Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)



#
# 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:       4128
ASName:         RIPE-4128
ASHandle:       AS4128
RegDate:        2019-06-17
Updated:        2019-06-17
Comment:        These ASNs have been further assigned to users in
Comment:        the RIPE NCC region. Contact information can be found in
Comment:        the RIPE database at http://www.ripe.net/whois
Ref:            https://rdap.arin.net/registry/autnum/4128

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.ripe.net


OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/db-web-ui/query

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-ARIN

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-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" : "4128",
    "as_handle" : "AS4128",
    "as_name" : "RIPE-4128",
    "tech_contacts" : [ "RNO29-ARIN" ],
    "abuse_contacts" : [ "ABUSE3850-ARIN" ],
    "date_created" : "2019-06-17",
    "date_updated" : "2019-06-17",
    "source" : "https://rdap.arin.net/registry/autnum/4128"
  } ],
  "organization" : {
    "handle" : "RIPE",
    "name" : "RIPE Network Coordination Centre",
    "address" : [ "P.O. Box 10096", "Amsterdam", "1001EB", "NL" ],
    "city" : "Amsterdam",
    "zip_code" : "1001EB",
    "country" : [ "NL" ],
    "date_updated" : "2013-07-29",
    "source" : "https://rdap.arin.net/registry/entity/RIPE",
    "addressCountry" : "NL"
  },
  "technical_contacts" : [ {
    "handle" : "RNO29-ARIN",
    "name" : "RIPE NCC Operations",
    "email" : [ "hostmaster@ripe.net" ],
    "phone" : [ "+31 20 535 4444" ],
    "source" : "https://rdap.arin.net/registry/entity/RNO29-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE3850-ARIN",
    "name" : "Abuse Contact",
    "email" : [ "abuse@ripe.net" ],
    "phone" : [ "+31205354444" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE3850-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS6939	Hurricane Electric LLC	US
AS4826	Vocus Connect International Backbone	AU
AS2914	NTT America, Inc.	US
AS19151	BroadbandONE, LLC	US
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS14907	Wikimedia Foundation Inc.	US
AS35280	F5 Networks SARL	FR
AS36236	NetActuate, Inc	US
AS19754	The Fusion Network, LLC	US

Upstreams

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US
AS2914	NTT America, Inc.	US
AS137409	GSL Networks Pty LTD	AU