AS3661 The Chinese University of Hong Kong

Looking Glass:

https://bgp.he.net/lg/3661

Country of Origin:

Hong Kong

Internet Exchanges: 1

Prefixes Originated (all): 10
Prefixes Originated (v4): 8
Prefixes Originated (v6): 2

Prefixes Announced (all): 10
Prefixes Announced (v4): 8
Prefixes Announced (v6): 2

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

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

BGP Peers Observed (all): 19
BGP Peers Observed (v4): 18
BGP Peers Observed (v6): 11

IPs Originated (v4): 73,984
AS Paths Observed (v4): 1,119
AS Paths Observed (v6): 640

Average AS Path Length (all): 4.819
Average AS Path Length (v4): 5.630
Average AS Path Length (v6): 3.400

AS3661 IPv4 Peers

ASN	Name
AS3662	Joint Universities Computer Centre Limited
AS6939	Hurricane Electric LLC
AS137207	Joint Universities Computer Centre Limited
AS4635	Hong Kong Internet Exchange--Route Server 1

AS3661 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC
AS4641	The Hong Kong Internet Exchange Limited
AS137207	Joint Universities Computer Centre Limited
AS3662	Joint Universities Computer Centre Limited

AS3661 IPv4 Peer Count

AS3661 IPv6 Peer Count

AS3661 IPv4 Prefixes Announced

AS3661 IPv6 Prefixes Announced

AS3661 IPv4 Prefixes Originated

AS3661 IPv6 Prefixes Originated

AS3661 IPv4 Route Propagation

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AS3661 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
103.49.160.0/22	The Chinese University of Hong Kong
123.255.64.0/21	Information Technology Services Centre
137.189.0.0/16	The Chinese University of Hong Kong
137.189.162.0/24	The Chinese University of Hong Kong
137.189.196.0/24	The Chinese University of Hong Kong
175.159.224.0/22	The Chinese University of Hong Kong
202.40.216.0/24	CUHK Library
203.188.64.0/20	The Chinese University of Hong Kong

Prefix	Description	Visibility
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Prefix	Description
2001:ce0:3::/48	Joint Universities Computer Centre Limited
2405:3000::/32	The Chinese University of Hong Kong

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Joint Universities Computer Centre Limited	X	AS3662
2	Hurricane Electric LLC	X	AS6939
3	Joint Universities Computer Centre Limited	X	AS137207
4	Hong Kong Internet Exchange--Route Server 1	X	AS4635
5	PT Telekomunikasi Indonesia	X	AS7713
6	MTS PJSC		AS8359
7	Convergenze S.p.A.		AS39120
8	SG.GS	X	AS24482
9	Viewqwest Pte Ltd		AS18106
10	NetActuate, Inc	X	AS36236
11	The Hong Kong Internet Exchange Limited	X	AS4641
12	i3D.net B.V	X	AS49544
13	Summit Communications Ltd		AS58717
14	Axclusive		AS132337
15	Valve Corporation	X	AS32590
16	OneQode		AS140627
17	Gigabit Hosting Sdn Bhd		AS55720
18	Nexusguard Pte. Ltd.		AS45474

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939
2	The Hong Kong Internet Exchange Limited	X	AS4641
3	Joint Universities Computer Centre Limited	X	AS137207
4	Joint Universities Computer Centre Limited	X	AS3662
5	PT Telekomunikasi Indonesia	X	AS7713
6	Hong Kong Internet Exchange--Route Server 1	X	AS4635
7	i3D.net B.V	X	AS49544
8	NetActuate, Inc	X	AS36236
9	Valve Corporation	X	AS32590
10	UIH / BB Connect		AS45796
11	SG.GS	X	AS24482

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APNIC

aut-num: AS3661 as-name: ERX-CUHKNET descr: The Chinese University of Hong Kong descr: Information Technology Services Centre country: HK remarks: This aut-num object created as part of the ER-Transfer from ARIN org: ORG-CUOH1-AP admin-c: NA17-AP tech-c: NT27-AP abuse-c: AC2019-AP mnt-by: APNIC-HM mnt-lower: MAINT-CUHKNET-HK mnt-routes: MAINT-CUHKNET-HK mnt-irt: IRT-CUHKNET-HK last-modified: 2022-12-05T02:41:49Z source: APNIC

Exchange	CC	City	IPv4	IPv6
HKIX	HK	Hong Kong	123.255.91.50	2001:7fa:0:1::ca28:a132

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