AS9920 IMPROVE SYSTEM TECHNOLOGY CO., LTD.

Company Website:

https://www.istvc.com.tw

Looking Glass:

https://bgp.he.net/lg/9920

Country of Origin:

Taiwan

Internet Exchanges: 1

Prefixes Originated (all): 2
Prefixes Originated (v4): 1
Prefixes Originated (v6): 1

Prefixes Announced (all): 2
Prefixes Announced (v4): 1
Prefixes Announced (v6): 1

RPKI Originated Valid (all): 2
RPKI Originated Valid (v4): 1
RPKI Originated Valid (v6): 1

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

BGP Peers Observed (all): 114
BGP Peers Observed (v4): 114
BGP Peers Observed (v6): 1

IPs Originated (v4): 256
AS Paths Observed (v4): 125,489
AS Paths Observed (v6): 409

Average AS Path Length (all): 6.246
Average AS Path Length (v4): 6.254
Average AS Path Length (v6): 3.716

AS9920 IPv4 Peers

ASN	Name
AS17408	AboveNet Communications Taiwan
AS6939	Hurricane Electric LLC
AS15412	Flag Telecom UK Limited
AS13335	Cloudflare, Inc.

AS9920 IPv6 Peers

ASN	Name
AS6939	Hurricane Electric LLC

AS9920 IPv4 Peer Count

AS9920 IPv6 Peer Count

AS9920 IPv4 Prefixes Announced

AS9920 IPv6 Prefixes Announced

AS9920 IPv4 Prefixes Originated

AS9920 IPv6 Prefixes Originated

AS9920 IPv4 Route Propagation

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AS9920 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
103.173.95.0/24	IMPROVE SYSTEM TECHNOLOGY CO., LTD.

Prefix	Description	Visibility
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Prefix	Description
2407:e4c0:1::/48	IMPROVE SYSTEM TECHNOLOGY CO., LTD.

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	AboveNet Communications Taiwan		AS17408
2	Hurricane Electric LLC	X	AS6939
3	Flag Telecom UK Limited		AS15412
4	Cloudflare, Inc.		AS13335
5	CTGNet		AS23764
6	GSL Networks Pty LTD		AS137409
7	SG.GS		AS24482
8	Telstra Global		AS4637
9	HGC Global Communications Limited		AS9304
10	Sky Digital Co., Ltd.		AS134823
11	Zenlayer Inc		AS21859
12	Hong Kong Beecloud System Technology Services Limited		AS140570
13	China Mobile International Limited		AS58807
14	Taiwan Digital Streaming Co.		AS18041
15	Taiwan Internet Gateway		AS9505
16	IBM Cloud		AS36351
17	China Unicom Global		AS10099
18	Yahoo Holdings Inc.		AS10310
19	Akari Networks LLC		AS983
20	HostingInside LTD		AS9678
21	Chief Telecom Inc.		AS10133
22	Incapsula Inc		AS19551
23	Akamai International B.V.		AS20940
24	Nexusguard Pte. Ltd.		AS45474
25	Anexia Cloud Solutions GmbH		AS42473
26	AT&T Enterprises, LLC		AS2687
27	KBT Co., LTD 4F., No.57, Dongxing Rd., Xinyi Dist., Taipei City 110, Taiwan (R.O.C.)		AS9416
28	Continent 8 LLC		AS14537
29	DongFong Technology Co. Ltd.		AS18046
30	Psychz Networks		AS40676
31	Kaopu Cloud HK Limited		AS138915
32	National Center for High-performance Computing		AS7539
33	vocom international telecom		AS63897
34	Lazco Corporation		AS131630
35	WoodyNet, Inc.		AS42
36	MOBA Private Limited Taiwan Branch		AS131634
37	PacketHub S.A.		AS147049
38	Netnod AB		AS8674
39	Gigabit Hosting Sdn Bhd		AS55720
40	Diyixian.com (TW) Limited		AS9244
41	CDS Global Cloud Co., Ltd		AS63199
42	Sony Network Taiwan Limited		AS18182
43	Tiggee LLC		AS16552
44	IDCServices.net Inc		AS139750
45	TWIDC		AS55789
46	zhenyun sun		AS204921
47	Digital United Inc.		AS4780
48	Nebula Global LLC		AS18186
49	Taiwan Network Access Point		AS7656
50	EASPNET Inc.		AS10135
51	Yuan-Jhen Info., Co., Ltd		AS131149
52	ZSCALER, INC.		AS53813
53	Sky Wise International Limited Taiwan Branch		AS150137
54	Fortinet Inc.		AS40934
55	FUYU Group Inc.		AS150771
56	Li Jing Info Limited		AS9917
57	ZUSO Generation Co., Ltd.		AS131638
58	Reseaux IP Europeens Network Coordination Centre (RIPE NCC)		AS25152
59	CATO NETWORKS LTD		AS13150
60	Cloud Walker Co., Ltd.		AS150768
61	Leemon Professional Consultant		AS9915
62	Industrial Technology Research Institute		AS18422
63	CM Craft Aesthetic		AS18424
64	Antbox Networks Limited		AS138995
65	ZUSO Generation Co., Ltd.		AS63900
66	Academia Sinica		AS9264
67	Haosing Technology Co., Ltd.		AS131666
68	CORE WINNER CO.,LIMITED		AS131273
69	JIANYUELAB LTD		AS215172
70	EDT Network Services Limited Co,Ltd.		AS18411
71	Orange Business AS for Asia		AS4862
72	Aoter Networks Co., Ltd		AS18040
73	KLICKKLACK CO., LTD.		AS131645
74	DaDa Broadband LTD.		AS18419
75	SiChuan XunYou Network Technologe Limit, co		AS146834
76	Lamhosting LLC		AS46829
77	SHINE TECH INFORMATION COMPANY LIMITED		AS150770
78	Bastiaan Mathijs Brink		AS215248
79	Packet Clearing House, Inc.		AS3856
80	Peicity Digital Cable Television., LTD		AS131627
81	PT Telekomunikasi Indonesia		AS7713
82	Paramita Digital Ltd.,		AS38853
83	VpsQuan L.L.C.		AS62468
84	NETEASE		AS131659
85	Taiwan Network Information Center		AS131644
86	Blizzard Entertainment, Inc		AS57976
87	Inventec Besta CO.,LTD		AS131605
88	Meteverse Limited.		AS54994
89	New Kaohsiung Broadband LTD.		AS9922
90	FLAT/RM 101A 1F		AS64078
91	Taiwan Intelligent Fiber Optic Network Co.,Ltd.		AS131584
92	Riot Games, Inc		AS6507
93	Skip Technologies Taiwan Limited		AS63909
94	Netskope Inc		AS55256
95	LIN ZE YANG		AS216198
96	TNET Communication Inc. 10F., No.78, Sec. 2, Chongxin Rd., Sanchong Dist.,New Taipei City, Taiwan (R.O.C Taiwan 241)		AS38851
97	kbro CO. Ltd.		AS38841
98	RADWARE INC.		AS25773
99	TBC		AS131596
100	FGHRSH STUDIO		AS139299
101	Zhejiang Taobao Network Co.,Ltd		AS24429
102	IBOSS Inc.		AS137922
103	Chummy Technology Ltd.		AS152615
104	Bunny Communications		AS5065
105	MoeDove LLC		AS44324
106	Dropbox, Inc.		AS19679
107	Taiwan Network Information center		AS17718
108	CHUAN KAI INTERNATIONAL CO., LTD		AS133375
109	Chirue Technology Co., Ltd.		AS131643
110	Magna Hosting Ltd		AS141742
111	Taiwan Telecom		AS38047
112	NCSE NETWORK LTD		AS204844
113	Digidom CableTV Co., LTD.		AS131607
114	Running River Network Technology Limited		AS133182

Rank	Description	IPv4	Peer
1	Hurricane Electric LLC	X	AS6939

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APNIC

aut-num: AS9920 country: TW as-name: ISTVC-AS-TW admin-c: TR413-AP tech-c: TR413-AP abuse-c: TR413-AP mnt-irt: IRT-ISTVC-TW descr: IMPROVE SYSTEM TECHNOLOGY CO., LTD. descr: 19F-2., No. 37, Sec. 2, Sanmin Rd., Banqiao Dist., New Taipei City 220 default: to AS41051 action pref=4; networks ANY default: to AS20473 action pref=2; networks ANY default: to AS17408 action pref=2; networks ANY export: to AS41051 announce AS9920 export: to AS20473 announce AS9920 export: to AS17408 announce AS9920 import: from AS41051 accept ANY import: from AS20473 accept ANY import: from AS17408 accept ANY remarks: (oid:ISTVC) last-modified: 2026-06-21T05:37:00Z source: APNIC mnt-by: MAINT-TW-TWNIC

ALTDB

aut-num: AS9920 as-name: ISTVC-AS-TW descr: IMPROVE SYSTEM TECHNOLOGY CO., LTD. admin-c: PC1087-AP tech-c: PC1087-AP mnt-by: MAINT-AS9920 changed: proton@istvc.com.tw 20260711 source: ALTDB

Exchange	CC	City	IPv4	IPv6
TPIX-TW	TW	Taipei	203.163.223.111	2406:d400:1:133:203:163:223:111

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