23857 NEXTEP-AU-AP NEXTEP Broadband, Internet Service Provider,
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS10223 UECOMM-AU Uecomm Ltd
AS1221 ASN-TELSTRA Telstra Pty Ltd
AS9837 POWERTEL-AP Powertel Ltd
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 3412 AS23857 ORIGIN Originate: 43392 /16.59 Transit: 0 /0.00 NEXTEP-AU-AP NEXTEP Broadband, Internet Service Provider,
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 1195 AS23857 NEXTEP-AU-AP NEXTEP Broadband, Internet 98 18 7 87 11 11.22% Prefix AS Path Aggregation Suggestion 124.243.145.0/24 4608 1221 23857 124.243.146.0/24 4608 1221 23857 124.243.148.0/22 4608 1221 23857 + Announce - aggregate of 124.243.148.0/23 (4608 1221 23857) and 124.243.150.0/23 (4608 1221 23857) 124.243.148.0/24 4608 1221 23857 - Withdrawn - aggregated with 124.243.149.0/24 (4608 1221 23857) 124.243.149.0/24 4608 1221 23857 - Withdrawn - aggregated with 124.243.148.0/24 (4608 1221 23857) 124.243.150.0/23 4608 1221 23857 - Withdrawn - aggregated with 124.243.148.0/23 (4608 1221 23857) 124.243.152.0/23 4608 9722 9837 23857 124.243.154.0/24 4608 1221 23857 124.246.8.0/22 4608 1221 23857 124.246.24.0/22 4608 1221 23857 124.246.36.0/23 4608 9722 9837 23857 124.246.40.0/23 4608 1221 23857 124.246.48.0/22 4608 1221 23857 + Announce - aggregate of 124.246.48.0/23 (4608 1221 23857) and 124.246.50.0/23 (4608 1221 23857) 124.246.48.0/23 4608 1221 23857 - Withdrawn - aggregated with 124.246.50.0/23 (4608 1221 23857) 124.246.50.0/23 4608 1221 23857 - Withdrawn - aggregated with 124.246.48.0/23 (4608 1221 23857) 124.246.54.0/23 4608 1221 23857 124.246.56.0/23 4608 1221 23857 164.80.255.0/24 4608 1221 23857 192.246.7.0/24 4637 1221 23857 202.44.160.0/23 4637 1221 23857 202.44.162.0/24 4637 1221 23857 202.44.162.128/25 4608 1221 23857 23857 202.44.163.0/24 4637 1221 23857 23857 202.44.164.0/22 4637 1221 23857 202.44.168.0/23 4637 1221 23857 23857 202.44.170.0/23 4637 1221 23857 + Announce - aggregate of 202.44.170.0/24 (4637 1221 23857) and 202.44.171.0/24 (4637 1221 23857) 202.44.170.0/24 4637 1221 23857 - Withdrawn - aggregated with 202.44.171.0/24 (4637 1221 23857) 202.44.171.0/24 4637 1221 23857 - Withdrawn - aggregated with 202.44.170.0/24 (4637 1221 23857) 202.44.172.0/22 4637 1221 23857 23857 202.44.173.0/24 4637 1221 23857 202.44.176.0/23 4637 1221 23857 23857 202.44.178.0/23 4637 1221 23857 + Announce - aggregate of 202.44.178.0/24 (4637 1221 23857) and 202.44.179.0/24 (4637 1221 23857) 202.44.178.0/24 4637 1221 23857 - Withdrawn - aggregated with 202.44.179.0/24 (4637 1221 23857) 202.44.179.0/24 4637 1221 23857 - Withdrawn - aggregated with 202.44.178.0/24 (4637 1221 23857) 202.44.180.0/23 4608 9722 9837 23857 + Announce - aggregate of 202.44.180.0/24 (4608 9722 9837 23857) and 202.44.181.0/24 (4608 9722 9837 23857) 202.44.180.0/24 4608 9722 9837 23857 - Withdrawn - aggregated with 202.44.181.0/24 (4608 9722 9837 23857) 202.44.181.0/24 4608 9722 9837 23857 - Withdrawn - aggregated with 202.44.180.0/24 (4608 9722 9837 23857) 202.44.182.0/24 4637 1221 23857 202.44.183.0/24 4637 1221 23857 23857 202.44.184.0/24 4637 1221 23857 23857 202.44.185.0/24 4637 1221 23857 202.44.186.0/24 4637 1221 23857 23857 202.44.187.0/24 4637 1221 23857 202.44.188.0/24 4637 1221 23857 23857 202.44.189.0/24 4637 1221 23857 202.44.190.0/24 4637 1221 23857 202.44.191.0/24 4637 1221 23857 23857 203.15.110.0/24 4637 1221 23857 203.19.159.0/24 4637 1221 23857 203.23.87.0/24 4608 9722 9837 23857 203.24.23.0/24 4637 1221 23857 23857 203.28.52.0/24 4637 1221 23857 203.32.92.0/24 4637 1221 23857 203.32.200.0/24 4637 1221 23857 23857 203.34.52.0/24 4637 1221 23857 23857 203.34.94.0/24 4637 1221 23857 210.0.64.0/23 4637 1221 23857 23857 210.0.66.0/24 4637 1221 23857 210.0.67.0/24 4637 1221 23857 23857 210.0.68.0/24 4637 1221 23857 210.0.69.0/24 4637 1221 23857 23857 210.0.70.0/24 4637 1221 23857 23857 210.0.71.0/24 4608 9722 9837 23857 210.0.72.0/24 4637 1221 23857 210.0.73.0/24 4637 1221 23857 23857 210.0.74.0/24 4637 1221 23857 23857 210.0.75.0/24 4637 1221 23857 210.0.76.0/24 4637 1221 23857 23857 210.0.77.0/24 4637 1221 23857 210.0.78.0/23 4637 1221 23857 23857 210.0.80.0/22 4637 1221 23857 + Announce - aggregate of 210.0.80.0/23 (4637 1221 23857) and 210.0.82.0/23 (4637 1221 23857) 210.0.80.0/24 4637 1221 23857 - Withdrawn - aggregated with 210.0.81.0/24 (4637 1221 23857) 210.0.81.0/24 4637 1221 23857 - Withdrawn - aggregated with 210.0.80.0/24 (4637 1221 23857) 210.0.82.0/23 4637 1221 23857 - Withdrawn - aggregated with 210.0.80.0/23 (4637 1221 23857) 210.0.84.0/23 4637 1221 23857 210.0.86.0/24 4637 1221 23857 210.0.87.0/24 4608 9722 9837 23857 210.0.88.0/22 4637 1221 23857 23857 210.0.92.0/23 4637 1221 23857 23857 210.0.94.0/24 4637 1221 23857 210.0.95.0/24 4608 9722 9837 23857 210.0.96.0/22 4637 1221 23857 23857 210.0.97.0/24 4637 1221 23857 210.0.100.0/22 4637 1221 23857 210.0.106.0/23 4637 1221 23857 210.0.108.0/23 4637 1221 23857 210.0.110.0/24 4637 1221 23857 210.0.111.0/24 4637 1221 23857 23857 210.0.112.0/21 4637 1221 23857 23857 210.0.120.0/22 4637 1221 23857 23857 210.0.125.0/24 4637 1221 23857 210.0.126.0/24 4637 1221 23857 210.89.128.0/23 4637 1221 23857 210.89.132.0/22 4637 1221 23857 210.89.136.0/22 4608 9722 9837 23857 210.89.140.0/23 4608 9722 9837 23857 210.89.141.0/24 4608 9722 9837 23857 - Withdrawn - matching aggregate 210.89.140.0/23 4608 9722 9837 23857 210.89.142.0/23 4637 1221 23857 + Announce - aggregate of 210.89.142.0/24 (4637 1221 23857) and 210.89.143.0/24 (4637 1221 23857) 210.89.142.0/24 4637 1221 23857 - Withdrawn - aggregated with 210.89.143.0/24 (4637 1221 23857) 210.89.143.0/24 4637 1221 23857 - Withdrawn - aggregated with 210.89.142.0/24 (4637 1221 23857) 210.89.144.0/21 4637 1221 23857 210.89.144.0/22 4637 1221 23857 - Withdrawn - matching aggregate 210.89.144.0/21 4637 1221 23857 210.89.152.0/22 4608 9722 9837 23857 210.89.156.0/23 4608 9722 9837 23857 210.89.158.0/23 4637 1221 23857
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23857 91 More Specifics 95 Total Advertisements NEXTEP-AU-AP NEXTEP Broadband, Internet Service Provider,
124.243.145.0/24 124.243.128.0/19
124.243.146.0/24 124.243.128.0/19
124.243.148.0/24 124.243.128.0/19
124.243.149.0/24 124.243.128.0/19
124.243.150.0/23 124.243.128.0/19
124.243.152.0/23 124.243.128.0/19
124.243.154.0/24 124.243.128.0/19
124.246.8.0/22 124.246.0.0/18
124.246.24.0/21 124.246.0.0/18
124.246.24.0/22 124.246.0.0/18
124.246.36.0/23 124.246.0.0/18
124.246.40.0/23 124.246.0.0/18
124.246.48.0/23 124.246.0.0/18
124.246.50.0/23 124.246.0.0/18
124.246.54.0/23 124.246.0.0/18
124.246.56.0/23 124.246.0.0/18
164.80.255.0/24 164.80.0.0/16
192.246.7.0/24 192.246.0.0/16
202.44.160.0/23 202.44.160.0/20
202.44.162.0/24 202.44.160.0/20
202.44.163.0/24 202.44.160.0/20
202.44.164.0/22 202.44.160.0/20
202.44.168.0/23 202.44.160.0/20
202.44.170.0/24 202.44.160.0/20
202.44.171.0/24 202.44.160.0/20
202.44.172.0/22 202.44.160.0/20
202.44.173.0/24 202.44.160.0/20
202.44.176.0/23 202.44.176.0/20
202.44.178.0/24 202.44.176.0/20
202.44.179.0/24 202.44.176.0/20
202.44.180.0/24 202.44.176.0/20
202.44.181.0/24 202.44.176.0/20
202.44.182.0/24 202.44.176.0/20
202.44.183.0/24 202.44.176.0/20
202.44.184.0/24 202.44.176.0/20
202.44.185.0/24 202.44.176.0/20
202.44.186.0/24 202.44.176.0/20
202.44.187.0/24 202.44.176.0/20
202.44.188.0/24 202.44.176.0/20
202.44.189.0/24 202.44.176.0/20
202.44.190.0/24 202.44.176.0/20
202.44.191.0/24 202.44.176.0/20
203.19.159.0/24 203.19.158.0/23
203.32.200.0/24 203.32.200.0/23
203.34.52.0/24 203.34.52.0/23
210.0.64.0/23 210.0.64.0/19
210.0.66.0/24 210.0.64.0/19
210.0.67.0/24 210.0.64.0/19
210.0.68.0/24 210.0.64.0/19
210.0.69.0/24 210.0.64.0/19
210.0.70.0/24 210.0.64.0/19
210.0.71.0/24 210.0.64.0/19
210.0.72.0/24 210.0.64.0/19
210.0.73.0/24 210.0.64.0/19
210.0.74.0/24 210.0.64.0/19
210.0.75.0/24 210.0.64.0/19
210.0.76.0/24 210.0.64.0/19
210.0.77.0/24 210.0.64.0/19
210.0.78.0/23 210.0.64.0/19
210.0.80.0/24 210.0.64.0/19
210.0.81.0/24 210.0.64.0/19
210.0.82.0/23 210.0.64.0/19
210.0.84.0/23 210.0.64.0/19
210.0.86.0/24 210.0.64.0/19
210.0.87.0/24 210.0.64.0/19
210.0.88.0/22 210.0.64.0/19
210.0.92.0/23 210.0.64.0/19
210.0.94.0/24 210.0.64.0/19
210.0.95.0/24 210.0.64.0/19
210.0.96.0/22 210.0.96.0/19
210.0.97.0/24 210.0.96.0/19
210.0.100.0/22 210.0.96.0/19
210.0.106.0/23 210.0.96.0/19
210.0.108.0/23 210.0.96.0/19
210.0.110.0/24 210.0.96.0/19
210.0.111.0/24 210.0.96.0/19
210.0.112.0/21 210.0.96.0/19
210.0.120.0/22 210.0.96.0/19
210.0.125.0/24 210.0.96.0/19
210.0.126.0/24 210.0.96.0/19
210.89.128.0/23 210.89.128.0/19
210.89.132.0/22 210.89.128.0/19
210.89.136.0/22 210.89.128.0/19
210.89.140.0/23 210.89.128.0/19
210.89.141.0/24 210.89.128.0/19
210.89.142.0/24 210.89.128.0/19
210.89.143.0/24 210.89.128.0/19
210.89.144.0/21 210.89.128.0/19
210.89.152.0/22 210.89.128.0/19
210.89.156.0/23 210.89.128.0/19
210.89.158.0/23 210.89.128.0/19
whois: 402603
IANA has recorded AS23857 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23857\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
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 'AS23854 - AS23944'
as-block: AS23854 - AS23944
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: 2008-09-04T06:40:26Z
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 'AS23857'
% Abuse contact for 'AS23857' is 'abuse1@aapt.com.au'
aut-num: AS23857
as-name: NEXTEP-AU-AP
descr: NEXTEP Broadband, Internet Service Provider,
descr: a division of NEC Australia Pty Ltd
country: AU
import: from AS1221 action pref=100; accept ANY
import: from AS9837 action pref=50; accept AS9837
export: to AS1221 announce AS23857
export: to AS9837 announce AS23857
org: ORG-AL1-AP
admin-c: ANO2-AP
tech-c: ANO2-AP
abuse-c: AA1416-AP
notify: routing@connect.com.au
mnt-lower: MAINT-AU-AAPT
mnt-routes: MAINT-AU-AAPT
mnt-by: APNIC-HM
mnt-irt: IRT-AAPT-AU
last-modified: 2020-10-30T00:56:07Z
source: APNIC
irt: IRT-AAPT-AU
address: AAPT Limited
address: 30 Ross St
address: Glebe NSW 2037
phone: +61282644660
e-mail: ipnoc@aapt.com.au
abuse-mailbox: abuse1@aapt.com.au
admin-c: ANO2-AP
tech-c: ANO2-AP
auth: # Filtered
remarks: ipnoc@aapt.com.au was validated on 2026-04-15
remarks: abuse1@aapt.com.au was validated on 2026-04-15
notify: routing.shared@aapt.com.au
mnt-by: MAINT-AU-AAPT
last-modified: 2026-06-03T01:55:23Z
source: APNIC
organisation: ORG-AL1-AP
org-name: AAPT Limited
org-type: LIR
country: AU
address: 30 Ross St
phone: +61282821000
e-mail: info@aapt.com.au
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:45Z
source: APNIC
role: ABUSE AAPTAU
country: ZZ
address: AAPT Limited
address: 30 Ross St
address: Glebe NSW 2037
phone: +61282644660
e-mail: ipnoc@aapt.com.au
admin-c: ANO2-AP
tech-c: ANO2-AP
nic-hdl: AA1416-AP
remarks: Generated from irt object IRT-AAPT-AU
remarks: ipnoc@aapt.com.au was validated on 2026-04-15
remarks: abuse1@aapt.com.au was validated on 2026-04-15
abuse-mailbox: abuse1@aapt.com.au
mnt-by: APNIC-ABUSE
last-modified: 2026-04-15T13:29:04Z
source: APNIC
role: AAPT Network Operations
address: AAPT Limited
address: 30 Ross St
address: Glebe NSW 2037
country: AU
phone: +61282644660
e-mail: routing@aapt.com.au
admin-c: ANO1-AP
tech-c: ANO1-AP
nic-hdl: ANO2-AP
mnt-by: MAINT-AU-AAPT
last-modified: 2021-08-02T23:49:25Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)