55618 UOU-AS-KR UNIVERSITY OF ULSAN, KR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS4766 KIXS-AS-KR Korea Telecom, KR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7661 AS55618 ORIGIN Originate: 16896 /17.96 Transit: 0 /0.00 UOU-AS-KR UNIVERSITY OF ULSAN, KR
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 % 1058 AS55618 UOU-AS-KR UNIVERSITY OF ULSAN, KR 66 66 7 7 59 89.39% Prefix AS Path Aggregation Suggestion 203.250.64.0/19 4777 6939 4766 55618 + Announce - aggregate of 203.250.64.0/20 (4777 6939 4766 55618) and 203.250.80.0/20 (4777 6939 4766 55618) 203.250.64.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.65.0/24 (4777 6939 4766 55618) 203.250.65.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.64.0/24 (4777 6939 4766 55618) 203.250.66.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.67.0/24 (4777 6939 4766 55618) 203.250.67.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.66.0/24 (4777 6939 4766 55618) 203.250.68.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.69.0/24 (4777 6939 4766 55618) 203.250.69.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.68.0/24 (4777 6939 4766 55618) 203.250.70.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.71.0/24 (4777 6939 4766 55618) 203.250.71.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.70.0/24 (4777 6939 4766 55618) 203.250.72.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.73.0/24 (4777 6939 4766 55618) 203.250.73.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.72.0/24 (4777 6939 4766 55618) 203.250.74.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.75.0/24 (4777 6939 4766 55618) 203.250.75.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.74.0/24 (4777 6939 4766 55618) 203.250.76.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.77.0/24 (4777 6939 4766 55618) 203.250.77.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.76.0/24 (4777 6939 4766 55618) 203.250.78.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.79.0/24 (4777 6939 4766 55618) 203.250.79.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.78.0/24 (4777 6939 4766 55618) 203.250.80.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.81.0/24 (4777 6939 4766 55618) 203.250.81.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.80.0/24 (4777 6939 4766 55618) 203.250.82.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.83.0/24 (4777 6939 4766 55618) 203.250.83.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.82.0/24 (4777 6939 4766 55618) 203.250.84.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.85.0/24 (4777 6939 4766 55618) 203.250.85.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.84.0/24 (4777 6939 4766 55618) 203.250.86.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.87.0/24 (4777 6939 4766 55618) 203.250.87.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.86.0/24 (4777 6939 4766 55618) 203.250.88.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.89.0/24 (4777 6939 4766 55618) 203.250.89.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.88.0/24 (4777 6939 4766 55618) 203.250.90.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.91.0/24 (4777 6939 4766 55618) 203.250.91.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.90.0/24 (4777 6939 4766 55618) 203.250.92.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.93.0/24 (4777 6939 4766 55618) 203.250.93.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.92.0/24 (4777 6939 4766 55618) 203.250.94.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.95.0/24 (4777 6939 4766 55618) 203.250.95.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 203.250.94.0/24 (4777 6939 4766 55618) 210.102.152.0/21 4777 6939 4766 55618 + Announce - aggregate of 210.102.152.0/22 (4777 6939 4766 55618) and 210.102.156.0/22 (4777 6939 4766 55618) 210.102.152.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.153.0/24 (4777 6939 4766 55618) 210.102.153.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.152.0/24 (4777 6939 4766 55618) 210.102.154.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.155.0/24 (4777 6939 4766 55618) 210.102.155.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.154.0/24 (4777 6939 4766 55618) 210.102.156.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.157.0/24 (4777 6939 4766 55618) 210.102.157.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.156.0/24 (4777 6939 4766 55618) 210.102.158.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.159.0/24 (4777 6939 4766 55618) 210.102.159.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.158.0/24 (4777 6939 4766 55618) 210.102.160.0/21 4777 6939 4766 55618 + Announce - aggregate of 210.102.160.0/22 (4777 6939 4766 55618) and 210.102.164.0/22 (4777 6939 4766 55618) 210.102.160.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.161.0/24 (4777 6939 4766 55618) 210.102.161.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.160.0/24 (4777 6939 4766 55618) 210.102.162.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.163.0/24 (4777 6939 4766 55618) 210.102.163.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.162.0/24 (4777 6939 4766 55618) 210.102.164.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.165.0/24 (4777 6939 4766 55618) 210.102.165.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.164.0/24 (4777 6939 4766 55618) 210.102.166.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.167.0/24 (4777 6939 4766 55618) 210.102.167.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.166.0/24 (4777 6939 4766 55618) 210.102.168.0/22 4777 6939 4766 55618 + Announce - aggregate of 210.102.168.0/23 (4777 6939 4766 55618) and 210.102.170.0/23 (4777 6939 4766 55618) 210.102.168.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.169.0/24 (4777 6939 4766 55618) 210.102.169.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.168.0/24 (4777 6939 4766 55618) 210.102.170.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.171.0/24 (4777 6939 4766 55618) 210.102.171.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.170.0/24 (4777 6939 4766 55618) 210.102.208.0/21 4777 6939 4766 55618 + Announce - aggregate of 210.102.208.0/22 (4777 6939 4766 55618) and 210.102.212.0/22 (4777 6939 4766 55618) 210.102.208.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.209.0/24 (4777 6939 4766 55618) 210.102.209.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.208.0/24 (4777 6939 4766 55618) 210.102.210.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.211.0/24 (4777 6939 4766 55618) 210.102.211.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.210.0/24 (4777 6939 4766 55618) 210.102.212.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.213.0/24 (4777 6939 4766 55618) 210.102.213.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.212.0/24 (4777 6939 4766 55618) 210.102.214.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.215.0/24 (4777 6939 4766 55618) 210.102.215.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.214.0/24 (4777 6939 4766 55618) 210.102.216.0/22 4777 6939 4766 55618 + Announce - aggregate of 210.102.216.0/23 (4777 6939 4766 55618) and 210.102.218.0/23 (4777 6939 4766 55618) 210.102.216.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.217.0/24 (4777 6939 4766 55618) 210.102.217.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.216.0/24 (4777 6939 4766 55618) 210.102.218.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.219.0/24 (4777 6939 4766 55618) 210.102.219.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 210.102.218.0/24 (4777 6939 4766 55618) 218.147.40.0/23 4777 6939 4766 55618 + Announce - aggregate of 218.147.40.0/24 (4777 6939 4766 55618) and 218.147.41.0/24 (4777 6939 4766 55618) 218.147.40.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 218.147.41.0/24 (4777 6939 4766 55618) 218.147.41.0/24 4777 6939 4766 55618 - Withdrawn - aggregated with 218.147.40.0/24 (4777 6939 4766 55618)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS55618 66 More Specifics 66 Total Advertisements UOU-AS-KR UNIVERSITY OF ULSAN, KR
203.250.64.0/24 203.250.64.0/19
203.250.65.0/24 203.250.64.0/19
203.250.66.0/24 203.250.64.0/19
203.250.67.0/24 203.250.64.0/19
203.250.68.0/24 203.250.64.0/19
203.250.69.0/24 203.250.64.0/19
203.250.70.0/24 203.250.64.0/19
203.250.71.0/24 203.250.64.0/19
203.250.72.0/24 203.250.64.0/19
203.250.73.0/24 203.250.64.0/19
203.250.74.0/24 203.250.64.0/19
203.250.75.0/24 203.250.64.0/19
203.250.76.0/24 203.250.64.0/19
203.250.77.0/24 203.250.64.0/19
203.250.78.0/24 203.250.64.0/19
203.250.79.0/24 203.250.64.0/19
203.250.80.0/24 203.250.64.0/19
203.250.81.0/24 203.250.64.0/19
203.250.82.0/24 203.250.64.0/19
203.250.83.0/24 203.250.64.0/19
203.250.84.0/24 203.250.64.0/19
203.250.85.0/24 203.250.64.0/19
203.250.86.0/24 203.250.64.0/19
203.250.87.0/24 203.250.64.0/19
203.250.88.0/24 203.250.64.0/19
203.250.89.0/24 203.250.64.0/19
203.250.90.0/24 203.250.64.0/19
203.250.91.0/24 203.250.64.0/19
203.250.92.0/24 203.250.64.0/19
203.250.93.0/24 203.250.64.0/19
203.250.94.0/24 203.250.64.0/19
203.250.95.0/24 203.250.64.0/19
210.102.152.0/24 210.102.128.0/17
210.102.153.0/24 210.102.128.0/17
210.102.154.0/24 210.102.128.0/17
210.102.155.0/24 210.102.128.0/17
210.102.156.0/24 210.102.128.0/17
210.102.157.0/24 210.102.128.0/17
210.102.158.0/24 210.102.128.0/17
210.102.159.0/24 210.102.128.0/17
210.102.160.0/24 210.102.128.0/17
210.102.161.0/24 210.102.128.0/17
210.102.162.0/24 210.102.128.0/17
210.102.163.0/24 210.102.128.0/17
210.102.164.0/24 210.102.128.0/17
210.102.165.0/24 210.102.128.0/17
210.102.166.0/24 210.102.128.0/17
210.102.167.0/24 210.102.128.0/17
210.102.168.0/24 210.102.128.0/17
210.102.169.0/24 210.102.128.0/17
210.102.170.0/24 210.102.128.0/17
210.102.171.0/24 210.102.128.0/17
210.102.208.0/24 210.102.128.0/17
210.102.209.0/24 210.102.128.0/17
210.102.210.0/24 210.102.128.0/17
210.102.211.0/24 210.102.128.0/17
210.102.212.0/24 210.102.128.0/17
210.102.213.0/24 210.102.128.0/17
210.102.214.0/24 210.102.128.0/17
210.102.215.0/24 210.102.128.0/17
210.102.216.0/24 210.102.128.0/17
210.102.217.0/24 210.102.128.0/17
210.102.218.0/24 210.102.128.0/17
210.102.219.0/24 210.102.128.0/17
218.147.40.0/24 218.144.0.0/12
218.147.41.0/24 218.144.0.0/12
whois: 402332
IANA has recorded AS55618 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS55618\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS55296 - AS56319'
as-block: AS55296 - AS56319
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: 2009-09-03T01:15:30Z
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 'AS55584 - AS55633'
as-block: AS55584 - AS55633
descr: KRNIC-ASBLOCK-AP
descr: KRNIC
descr: Korea Network Information Center
country: KR
admin-c: HM127-AP
tech-c: HM127-AP
remarks: Block of 50 2-byte AS numbers from AS55584 - AS55633
remarks: for assignment to KRNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.or.kr
mnt-by: APNIC-HM
mnt-lower: MNT-KRNIC-AP
last-modified: 2010-07-21T04:59:58Z
source: APNIC
person: Host Master
address: Jeollanam-do Naju-si Jinheung-gil
country: KR
phone: +82-2-405-5118
e-mail: hostmaster@nic.or.kr
nic-hdl: HM127-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2019-05-22T01:20:31Z
source: APNIC
% Information related to 'AS55618'
% Abuse contact for 'AS55618' is 'irt@nic.or.kr'
aut-num: AS55618
as-name: UOU-AS-KR
descr: UNIVERSITY OF ULSAN
country: KR
admin-c: AM1881-AP
tech-c: AM1881-AP
import: from AS4766
action pref=100;
accept ANY
import: from AS9318
action pref=10;
accept ANY
export: to AS4766
announce AS55618
export: to AS9318
announce AS55618
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2022-09-16T00:40:02Z
source: APNIC
irt: IRT-KRNIC-KR
address: 9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail: irt@nic.or.kr
abuse-mailbox: irt@nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
remarks: irt@nic.or.kr was validated on 2020-04-09
mnt-by: MNT-KRNIC-AP
last-modified: 2025-09-04T01:00:01Z
source: APNIC
person: AS Manager
address: Ulsan Nam-gu Daehak-ro 93
country: KR
phone: +82-52-259-1748
e-mail: ssr@ulsan.ac.kr
nic-hdl: AM1881-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2023-09-19T07:04:05Z
source: APNIC
% Information related to 'AS55618'
aut-num: AS55618
as-name: UOU-AS-KR-KR
descr: UNIVERSITY OF ULSAN
country: KR
import: from 4766 action pref=100 accept ANY
import: from 9318 action pref=10 accept ANY
export: to 4766 announce AS55618
export: to 9318 announce AS55618
admin-c: PY3664-KR
tech-c: YJ3664-KR
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
remarks: This information has been partially mirrored by APNIC from
remarks: KRNIC. To obtain more specific information, please use the
remarks: KRNIC whois server at whois.kisa.or.kr.
source: KRNIC
person: AS Manager
address: Ulsan Nam-gu Daehak-ro 93
address: 93 Office of Information and Communication Affairs
country: KR
phone: +82-52-259-1748
e-mail: ssr@ulsan.ac.kr
nic-hdl: PY3664-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr 20240912
remarks: This information has been partially mirrored by APNIC from
remarks: KRNIC. To obtain more specific information, please use the
remarks: KRNIC whois server at whois.kisa.or.kr.
source: KRNIC
person: AS Manager
address: Ulsan Nam-gu Daehak-ro 93
address: 93 Office of Information and Communication Affairs
country: KR
phone: +82-52-259-1748
e-mail: ssr@ulsan.ac.kr
nic-hdl: YJ3664-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster@nic.or.kr 20240912
remarks: This information has been partially mirrored by APNIC from
remarks: KRNIC. To obtain more specific information, please use the
remarks: KRNIC whois server at whois.kisa.or.kr.
source: KRNIC
% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)