AS18177 National Cheng Kung University

Looking Glass:

https://bgp.he.net/lg/18177

Country of Origin:

Taiwan

Prefixes Originated (all): 98
Prefixes Originated (v4): 98
Prefixes Originated (v6): 0

Prefixes Announced (all): 99
Prefixes Announced (v4): 98
Prefixes Announced (v6): 1

RPKI Originated Valid (all): 85
RPKI Originated Valid (v4): 85
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 13
RPKI Originated Invalid (v4): 13
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 3
BGP Peers Observed (v4): 2
BGP Peers Observed (v6): 2

IPs Originated (v4): 450,560
AS Paths Observed (v4): 7
AS Paths Observed (v6): 4

Average AS Path Length (all): 4.273
Average AS Path Length (v4): 4.714
Average AS Path Length (v6): 3.500

AS18177 IPv4 Peers

ASN	Name
AS3462	Data Communication Business Group
AS9924	Taiwan Fixed Network, Telco and Network Service Provider.

AS18177 IPv6 Peers

ASN	Name
AS3462	Data Communication Business Group
AS1659	Taiwan Academic Network (TANet) Information Center

AS18177 IPv4 Peer Count

AS18177 IPv6 Peer Count

AS18177 IPv4 Prefixes Announced

AS18177 IPv6 Prefixes Announced

AS18177 IPv4 Prefixes Originated

AS18177 IPv4 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
120.114.0.0/16	Ministry of Education Computer Center
120.115.0.0/16	Ministry of Education Computer Center
120.116.0.0/16	Ministry of Education Computer Center
120.117.0.0/16	Ministry of Education Computer Center
140.116.0.0/16	Taiwan Academic Network
140.133.0.0/20	Ministry of Education computer Center
163.26.0.0/16	Ministry of Education Computer Center
163.28.112.0/20	imported inetnum object for MOEC
192.83.182.0/23	imported inetnum object for HSINGK
192.192.3.0/24	imported inetnum object for MOEC
192.192.45.0/24	imported inetnum object for MOEC
192.192.108.0/22	imported inetnum object for MOEC
192.192.112.0/24	imported inetnum object for MOEC
192.192.133.0/24	imported inetnum object for MOEC
192.192.162.0/24	imported inetnum object for MOEC
192.192.197.0/24	imported inetnum object for MOEC
192.192.198.0/23	imported inetnum object for MOEC
203.64.18.0/23	Taiwan Academic Network
203.64.20.0/23	Taiwan Academic Network
203.64.53.0/24	Taiwan Academic Network
203.64.230.0/23	Taiwan Academic Network
203.64.232.0/22	Far East University
203.64.236.0/23	Far East University
203.68.23.0/24	Ministry of Education Computer Center
203.68.26.0/23	Taiwan Academic Network
203.68.74.0/24	Ministry of Education Computer Center
203.68.102.0/24	Taiwan Academic Network
203.68.156.0/22	Taiwan Academic Network
203.68.160.0/22	Taiwan Academic Network
203.68.164.0/24	Taiwan Academic Network
203.68.179.0/24	Ministry of Education Computer Center
203.68.180.0/22	Taiwan Academic Network
203.68.184.0/23	Taiwan Academic Network
203.68.191.0/24	Taiwan Academic Network
203.71.52.0/23	Taiwan Network Information Center
203.71.54.0/24	Taiwan Network Information Center
203.71.76.0/24	Ministry of Education Computer Center
203.71.96.0/24	Taiwan Network Information Center
203.71.112.0/22	Taiwan Network Information Center
203.71.116.0/23	Taiwan Network Information Center
203.71.176.0/24	Taiwan Network Information Center
203.71.220.0/22	Taiwan Network Information Center
203.71.225.0/24	Taiwan Network Information Center
203.71.247.0/24	Taiwan Network Information Center
203.71.252.0/22	Taiwan Academic Network
203.72.21.0/24	Taiwan Network Information Center
203.72.42.0/24	Taiwan Network Information Center
203.72.191.0/24	Taiwan Network Information Center
203.72.206.0/23	Taiwan Network Information Center
203.72.208.0/24	Taiwan Network Information Center
210.59.12.0/22	Taiwan Academic Network
210.59.16.0/22	Taiwan Academic Network
210.59.20.0/23	Taiwan Academic Network
210.59.35.0/24	Taiwan Academic Network
210.59.63.0/24	Taiwan Academic Network
210.59.64.0/22	Taiwan Academic Network
210.59.86.0/23	Taiwan Academic Network
210.59.88.0/22	Taiwan Academic Network
210.59.92.0/24	Taiwan Academic Network
210.59.95.0/24	CHIA NAN UNIVERSITY OF PHARMACY
210.59.96.0/23	Taiwan Academic Network
210.59.98.0/24	Ministry of Education Computer Center
210.60.2.0/23	Taiwan Academic Network
210.60.4.0/22	Ministry of Education Computer Center
210.60.36.0/24	Ministry of Education Computer Center
210.60.50.0/23	Taiwan Academic Network
210.60.73.0/24	PRIVATE KUNSHAN SENIOR HIGH SCHOOL
210.60.74.0/23	Taiwan Academic Network
210.60.136.0/22	Taiwan Academic Network
210.60.165.0/24	Taiwan Academic Network
210.60.224.0/24	Taiwan Academic Network
210.60.246.0/24	Taiwan Academic Network
210.60.253.0/24	Taiwan Academic Network
210.70.37.0/24	Taiwan Academic Network
210.70.111.0/24	Taiwan Academic Network
210.70.112.0/22	Taiwan Academic Network
210.70.116.0/23	Taiwan Academic Network
210.70.118.0/24	Taiwan Academic Network
210.70.121.0/24	Taiwan Academic Network
210.70.137.0/24	Taiwan Academic Network
210.70.138.0/24	Taiwan Academic Network
210.70.145.0/24	Ministry of Education Computer Center
210.70.146.0/23	Taiwan Academic Network
210.70.148.0/22	Ministry of Education Computer Center
210.70.152.0/21	Taiwan Academic Network
210.70.160.0/20	Ministry of Education Computer Center
210.70.176.0/21	Ministry of Education Computer Center
210.70.250.0/23	Taiwan Academic Network
210.71.26.0/23	Ministry of Education Computer Center
210.71.31.0/24	Taiwan Academic Network
210.71.80.0/23	Taiwan Academic Network
210.71.82.0/24	Taiwan Academic Network
210.71.102.0/24	Taiwan Academic Network
210.71.109.0/24	Taiwan Academic Network
210.71.112.0/23	TE-KUANG GIRLS' HIGH SCHOOL
210.71.114.0/23	Taiwan Academic Network
210.71.116.0/23	Taiwan Academic Network
210.71.118.0/24	Taiwan Academic Network

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Data Communication Business Group	X	AS3462
2	Taiwan Fixed Network, Telco and Network Service Provider.		AS9924

Rank	Description	IPv4	Peer
1	Data Communication Business Group	X	AS3462
2	Taiwan Academic Network (TANet) Information Center		AS1659

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RADB

aut-num: AS18177 as-name: NCKU descr: National C. K. University admin-c: ARA1-AP tech-c: ARA1-AP mnt-by: MAINT-AS17709 changed: corey@apol.com.tw 20030224 source: RADB last-modified: 2023-11-13T15:39:33Z

APNIC

aut-num: AS18177 as-name: NCKU-TW descr: National Cheng Kung University descr: 1, Ta-Hsueh Road, Tainan City, Taiwan country: TW import: from AS1659 action pref=10; accept ANY import: from AS3462 action pref=20; accept ANY import: from AS9415 action pref=20; accept ANY export: to AS1659 announce AS18177 export: to AS3462 announce AS18177 export: to AS9415 announce AS18177 default: to AS1659 action pref=5; networks ANY admin-c: AN205-AP tech-c: AN205-AP abuse-c: AT939-AP mnt-by: MAINT-TW-TWNIC mnt-irt: IRT-TANET-TW last-modified: 2025-11-06T09:09:12Z source: APNIC

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