ASN AS38858 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS38858?

AS38858 is listed under Netfilter Pty Ltd.

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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AS38858 Netfilter Pty Ltd | IPGeolocation.io

Netfilter Pty Ltd somerville.com.au

AU 10 Routes

AS Data

AS38858

AS38858 – Netfilter Pty Ltd

AS Number	38858
AS Name	SOMERVILLE-AS-AU-AP
Organization	Netfilter Pty Ltd (org-npl2-ap)
Country	AU
Website	somerville.com.au
Number of IPv4 Routes	10
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS38858 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.105.145.0/24	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	256
103.105.146.0/24	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	256
203.26.38.0/24	AS38858	Netfilter Pty Ltd	Toorak College	256
203.34.148.0/24	AS38858	Netfilter Pty Ltd	SHORE SCHOOL	256
115.124.0.0/21	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	2048
203.20.148.0/24	AS38858	Netfilter Pty Ltd	Rockdale City Council	256
203.26.13.0/24	AS38858	Netfilter Pty Ltd	Woodleigh School	256
203.29.67.0/24	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	256
124.158.16.0/21	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	2048
103.105.147.0/24	AS38858	Netfilter Pty Ltd	Netfilter Pty Ltd	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS38858'

% Abuse contact for 'AS38858' is 'support@atturra.com'

aut-num:        AS38858
as-name:        SOMERVILLE-AS-AU-AP
descr:          Somerville
descr:          Internet Service Provider Australia
descr:          Managed Internet Access to Australian Schools and Corporates
country:        AU
import:         from AS2914 accept ANY
import:         from AS38809 accept ANY
import:         from AS18398 accept ANY
import:         from AS7575 accept AS7575
import:         from AS38225 accept AS38225
import:         from AS37993 accept AS37993
export:         to AS2914 announce AS38858
export:         to AS38809 announce AS38858
export:         to AS18398 announce AS38858
export:         to AS37993 announce AS38858
export:         to AS7575 announce AS38858
remarks:        For routing problems with this ASN contact support@somerville.com.au
org:            ORG-NPL2-AP
admin-c:        NF22-AU
tech-c:         NF22-AU
abuse-c:        AS2740-AP
notify:         support@somerville.com.au
mnt-lower:      MAINT-AU-NETFILTER
mnt-routes:     MAINT-AU-NETFILTER
mnt-by:         APNIC-HM
mnt-irt:        IRT-SOMERVILLE-AU
last-modified:  2020-08-26T13:04:09Z
source:         APNIC

irt:            IRT-SOMERVILLE-AU
address:        Somerville Group
address:        Level 10, Tower B, 207 Pacific Highway
address:        St Leonards, NSW, 2065
address:        Australia
e-mail:         support@atturra.com
abuse-mailbox:  support@atturra.com
admin-c:        NF22-AU
tech-c:         NF22-AU
auth:           # Filtered
remarks:        support@atturra.com was validated on 2026-04-30
mnt-by:         MAINT-AU-NETFILTER
last-modified:  2026-06-02T21:14:42Z
source:         APNIC

organisation:   ORG-NPL2-AP
org-name:       Netfilter Pty Ltd
org-type:       LIR
country:        AU
address:        Somerville Group
address:        Level 10, Tower B, 207 Pacific Highway
phone:          +61-2-84254000
fax-no:         +61-2-84254099
e-mail:         support@somerville.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:18Z
source:         APNIC

role:           ABUSE SOMERVILLEAU
country:        ZZ
address:        Somerville Group
address:        Level 10, Tower B, 207 Pacific Highway
address:        St Leonards, NSW, 2065
address:        Australia
phone:          +000000000
e-mail:         support@atturra.com
admin-c:        NF22-AU
tech-c:         NF22-AU
nic-hdl:        AS2740-AP
remarks:        Generated from irt object IRT-SOMERVILLE-AU
remarks:        support@atturra.com was validated on 2026-04-30
abuse-mailbox:  support@atturra.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-30T00:24:05Z
source:         APNIC

role:           Netfilter IP Administration
address:        Level 4, 20 Barcoo St, Roseville,   NSW    2069
country:        AU
phone:          +611300209233
e-mail:         support@somerville.com.au
admin-c:        RF400-AU
tech-c:         RF400-AU
nic-hdl:        NF22-AU
mnt-by:         MAINT-AU-NETFILTER
last-modified:  2021-07-16T06:51:13Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-JP1)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS37888 - AS38911",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS38858",
    "as_name" : "SOMERVILLE-AS-AU-AP",
    "description" : [ "Somerville", "Internet Service Provider Australia", "Managed Internet Access to Australian Schools and Corporates" ],
    "country" : "AU",
    "import" : [ "from AS2914 accept ANY", "from AS38809 accept ANY", "from AS18398 accept ANY", "from AS7575 accept AS7575", "from AS38225 accept AS38225", "from AS37993 accept AS37993" ],
    "export" : [ "to AS2914 announce AS38858", "to AS38809 announce AS38858", "to AS18398 announce AS38858", "to AS37993 announce AS38858", "to AS7575 announce AS38858" ],
    "organization" : "ORG-NPL2-AP",
    "admin_contacts" : [ "NF22-AU" ],
    "tech_contacts" : [ "NF22-AU" ],
    "abuse_contacts" : [ "AS2740-AP" ],
    "remarks" : [ "For routing problems with this ASN contact support@somerville.com.au" ],
    "notify" : [ "support@somerville.com.au" ],
    "mnt_irt" : [ "IRT-SOMERVILLE-AU" ],
    "mnt_lower" : [ "MAINT-AU-NETFILTER" ],
    "mnt_routes" : [ "MAINT-AU-NETFILTER" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-08-26",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-SOMERVILLE-AU",
    "address" : [ "Somerville Group", "Level 10, Tower B, 207 Pacific Highway", "St Leonards, NSW, 2065", "Australia" ],
    "street" : "Pacific Highway",
    "state" : "NSW",
    "zip_code" : "2065",
    "country" : "AUSTRALIA",
    "email" : [ "support@atturra.com" ],
    "abuse_mailbox" : [ "support@atturra.com" ],
    "admin_contacts" : [ "NF22-AU" ],
    "tech_contacts" : [ "NF22-AU" ],
    "remarks" : [ "support@atturra.com was validated on 2026-04-30" ],
    "mnt_by" : [ "MAINT-AU-NETFILTER" ],
    "date_updated" : "2026-06-02",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-NPL2-AP",
    "name" : "Netfilter Pty Ltd",
    "type" : "LIR",
    "address" : [ "Somerville Group", "Level 10, Tower B, 207 Pacific Highway" ],
    "street" : "Pacific Highway",
    "country" : [ "AU" ],
    "email" : [ "support@somerville.com.au" ],
    "phone" : [ "+61-2-84254000" ],
    "fax_no" : [ "+61-2-84254099" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "NF22-AU",
    "name" : "Netfilter IP Administration",
    "address" : [ "Level 4, 20 Barcoo St, Roseville,   NSW    2069" ],
    "street" : "Barcoo St",
    "city" : "Roseville",
    "state" : "NSW",
    "zip_code" : "2069",
    "country" : "AU",
    "email" : [ "support@somerville.com.au" ],
    "phone" : [ "+611300209233" ],
    "admin_contacts" : [ "RF400-AU" ],
    "tech_contacts" : [ "RF400-AU" ],
    "mnt_by" : [ "MAINT-AU-NETFILTER" ],
    "date_updated" : "2021-07-16",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "NF22-AU",
    "name" : "Netfilter IP Administration",
    "address" : [ "Level 4, 20 Barcoo St, Roseville,   NSW    2069" ],
    "street" : "Barcoo St",
    "city" : "Roseville",
    "state" : "NSW",
    "zip_code" : "2069",
    "country" : "AU",
    "email" : [ "support@somerville.com.au" ],
    "phone" : [ "+611300209233" ],
    "admin_contacts" : [ "RF400-AU" ],
    "tech_contacts" : [ "RF400-AU" ],
    "mnt_by" : [ "MAINT-AU-NETFILTER" ],
    "date_updated" : "2021-07-16",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AS2740-AP",
    "name" : "ABUSE SOMERVILLEAU",
    "address" : [ "Somerville Group", "Level 10, Tower B, 207 Pacific Highway", "St Leonards, NSW, 2065", "Australia" ],
    "street" : "Pacific Highway",
    "state" : "NSW",
    "zip_code" : "2065",
    "country" : "ZZ",
    "email" : [ "support@atturra.com" ],
    "abuse_mailbox" : [ "support@atturra.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "NF22-AU" ],
    "tech_contacts" : [ "NF22-AU" ],
    "remarks" : [ "Generated from irt object IRT-SOMERVILLE-AU", "support@atturra.com was validated on 2026-04-30" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-30",
    "source" : "APNIC",
    "addressCountry" : "AUSTRALIA"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS24516	Virtutel Pty Ltd	AU
AS4764	Aussie Broadband	AU
AS64073	Vetta Group	NZ
AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS6939	Hurricane Electric LLC	US
AS38880	Micron21 Datacentre Pty Ltd	AU
AS4826	Vocus Connect International Backbone	AU
AS2914	NTT America, Inc.	US
AS45437	Real World - The Core	AU
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS18398	TPG Internet Pty Ltd	AU
AS199524	G-Core Labs S.A.	LU
AS64073	VETTA TRADING LIMITED	NZ
AS1221	Telstra Limited	AU
AS4608	Asia Pacific Network Information Centre	AU
AS36236	NetActuate, Inc	US
AS132847	Network Solutions Group Pty Ltd	AU
AS16276	OVH SAS	FR
AS38809	VOCUS PTY LTD	AU
AS136557	Host Universal Pty Ltd	AU
AS7594	On Q	AU
AS4608	APNIC SERVICES Asia Pacific Network Information Centre	AU
AS37993	Cranbrook School	AU
AS16552	Tiggee LLC	US
AS398465	Rackdog, LLC	US
AS38225	ISPhone Australasia Pty Ltd	AU
AS148968	Falcore Investments Pty Ltd	AU
AS9280	Servers Australia Pty Ltd	AU
AS24115	Equinix	SG
AS135895	Centorrino Technologies Pty Ltd	AU
AS9790	Two Degrees Networks Limited	NZ
AS35280	F5 Networks SARL	FR
AS7575	Australian Academic and Research Network	AU
AS58941	IX for Sydney	AU
AS140627	OneQode	AU
AS133326	Sabervox	AU
AS137409	GSL Networks Pty LTD	AU
AS49544	i3D.net B.V	NL
AS4826	VOCUS PTY LTD	AU

Upstreams

AS Number	Description	Country
AS64073	VETTA TRADING LIMITED	NZ
AS1221	Telstra Limited	AU
AS6939	Hurricane Electric LLC	US
AS137409	GSL Networks Pty LTD	AU
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS4826	VOCUS PTY LTD	AU

Downstreams

AS Number	Description	Country
AS133326	Sabervox	AU

Contacts

Email Contacts

support@atturra.com support@somerville.com.au

Abuse Contacts

support@atturra.com

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