AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS2907 SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 8,819,968 8,589,934,595 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,816 90,194,444,288 IPv4 IPv4 IPv6 IPv6
AS8966 Etisalat-AS - EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC, AE United Arab Emirates 337,152 4,295,294,976 IPv4 IPv4
AS9381 HKBNES-AS-AP - HKBN Enterprise Solutions HK Limited, HK Hong Kong 445,696 8,589,934,592 IPv4 IPv4
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS3491 PCCWG-APAC-HK - PCCW Global (HK) Limited, HK Hong Kong 1,358,848 13,421,838,336 IPv4 IPv4 IPv6 IPv6
AS8359 MTS - MTS PJSC, RU Russian Federation 1,754,880 129,134,297,088 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS24115 ASN-EQIX-MLPE - Equinix Asia Pacific Pte Ltd, SG Singapore 0 0 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv4 IPv4 IPv6 IPv6
AS135607 INFINIVAN-AS-AP - Infinivan Inc., PH Philippines 47,360 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS140570 HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK Hong Kong 5,376 65,536 IPv4 IPv4
AS58453 CMI-INT-HK - China Mobile International Limited, HK Hong Kong 198,912 4,294,967,296 IPv6 IPv6
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 2,048 1 IPv4 IPv4 IPv6 IPv6
AS18187 ITI-AS-AP - Ignite Telecommunications Inc, PH Philippines 10,752 4,294,967,296 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24516 VIRTUTEL-AS-AP - Virtutel Pty Ltd, AU Australia 18,176 4,294,967,296 IPv4 IPv4
AS59105 HOMENOC - Home NOC Operators Group, JP Japan 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS151326 DCPL-AS-AP - DCConnect Communication Pte. Ltd., SG Singapore 2,560 4,295,032,832 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 130,304 118,226,945 IPv4 IPv4 IPv6 IPv6
AS955 LSHIY - LSHIY LLC, US United States 1,536 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,876,544 81,609,621,504 IPv4 IPv4 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,279,040 12,885,032,967 IPv4 IPv4 IPv6 IPv6
AS9516 SAKURALINK-AS-AP - SAKURA LINK LIMITED, HK Hong Kong 0 196,608 IPv4 IPv4
AS17676 ULTINA - SoftBank Mobile Corp., JP Japan 38,179,072 18,695,992,639,488 IPv4 IPv4 IPv6 IPv6
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2,048 4,572,839,936 IPv4 IPv4 IPv6 IPv6
AS2500 WIDE-BB - WIDE Project, JP Japan 65,536 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6,308,096 30,065,033,216 IPv4 IPv4 IPv6 IPv6
AS3223 VOXILITY - Voxility LLP, GB United Kingdom 70,144 18,546,688 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 43,264 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 456,704 282,627,370,713,088 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 55,296 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS138997 EDCL-AS-AP - Eons Data Communications Limited, HK Hong Kong 65,536 26,092,765,184 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS45896 MOBIFONEGLOBAL-AS-VN - Mobifone Global JSC, VN Viet Nam 10,240 4,295,032,832 IPv4 IPv4
AS58952 FRONTIIRCOLTD-MM - Frontiir Co., Ltd, MM Myanmar 8,192 4,294,967,296 IPv4 IPv4
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, PH Philippines 1,280 4,294,967,296 IPv4 IPv4
AS133210 ENTECHNOLOGIES-AS-AP - EN Technologies Pte Ltd, SG Singapore 4,352 4,295,163,904 IPv4 IPv4 IPv6 IPv6
AS4229 ZEN-NET - Zenlayer Inc, US United States 7,936 4,294,967,296 IPv4 IPv4
AS4826 VOCUS-BACKBONE-AS - VOCUS PTY LTD, AU Australia 326,144 17,180,065,792 IPv4 IPv4 IPv6 IPv6
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 22,528 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 123,136 77,422,723,074 IPv4 IPv4 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,264,064 4,299,358,208 IPv4 IPv4
AS38082 IIT-TIG-AS-AP - True International Gateway Co., Ltd., TH Thailand 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS41095 IPTP - IPTP LTD, GB United Kingdom 44,032 623,561,408,512 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS63150 BAGE - BAGE CLOUD LLC, US United States 12,032 180,879,360 IPv4 IPv4 IPv6 IPv6
AS140096 JINX-AS-AP - JINX CO., LIMITED, HK Hong Kong 4,864 4,564,516,864 IPv4 IPv4 IPv6 IPv6
AS151397 CT-eSurfingCloud-CDN - China Telecom, CN China 4,608 327,680 IPv4 IPv4 IPv6 IPv6
AS151797 CTCSCITECHLIMITED-AS-AP - CTCSCI TECH LIMITED, HK Hong Kong 512 196,608 IPv4 IPv4 IPv6 IPv6
AS206675 PumpCloud - PAN-LIAN TECHNOLOGY CO., LIMITED, HK Hong Kong 5,632 1,048,576 IPv4 IPv4 IPv6 IPv6
AS137983 TIANFENG-AS-AP - TIANFENG (HONG KONG) COMMUNICATIONS LIMITED, HK Hong Kong 0 0 IPv4 IPv4 IPv6 IPv6
AS152111 CTCSCITECHLIMITED-AS-AP - CTCSCI TECH LIMITED, HK Hong Kong 256 65,536 IPv4 IPv4 IPv6 IPv6
AS154402 FREDYUN-AS-AP - Shenzhen FredCloud Computing Technology Co., Ltd., CN China 1,280 0 IPv4 IPv4
AS152112 CTCSCITECHLIMITED-AS-AP - CTCSCI TECH LIMITED, HK Hong Kong 0 65,536 IPv6 IPv6
AS983 AKARI-NETWORKS - Akari Networks LLC, US United States 768 268,500,992 IPv4 IPv4 IPv6 IPv6
AS7356 SIKLA-AS - Sikla Tech Limited, US United States 256 16,777,216 IPv4 IPv4 IPv6 IPv6
AS139358 KANSUIUN-AS-AP - Kansuiun Co., Ltd, JP Japan 1,792 17,891,328 IPv4 IPv4
AS151990 HONG5-AS-AP - Hong Kong GoSun Technology Limited, HK Hong Kong 512 0 IPv4 IPv4
AS401984 CUSTOMER-OPTUS1 - Tomorin Network, LLC, US United States 1,536 0 IPv4 IPv4
AS135377 UCLOUD-HK-AS-AP - UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED, HK Hong Kong 191,744 4,849,664 IPv4 IPv4 IPv6 IPv6
AS135391 AOFEI-HK - AOFEI DATA INTERNATIONAL COMPANY LIMITED, HK Hong Kong 27,648 8,757,772,288 IPv4 IPv4
AS140042 IZEC-AS-AP - Zhipinshang (Hongkong) Electron Communication Technology Limited, HK Hong Kong 5,120 131,072 IPv4 IPv4 IPv6 IPv6
AS140227 HKCICL-AS-AP - Hong Kong Communications International Co., Limited, HK Hong Kong 139,520 196,608 IPv4 IPv4
AS142002 SCLOUDPTELTD-AS - Scloud Pte Ltd, SG Singapore 20,736 0 IPv4 IPv4
AS400618 PRIME-SEC - Prime Security Corp., US United States 15,360 167,837,696 IPv4 IPv4
AS26768 SAKURA - SAKURA LTD., US United States 0 131,072 IPv6 IPv6
as-block:       AS9249 - AS10239
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:  2022-09-22T22:36:45Z
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:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC



aut-num:        AS9886
as-name:        CTCSCITECHLIMITED-AS-AP
descr:          CTCSCI TECH LIMITED
country:        HK
org:            ORG-CTL14-AP
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
abuse-c:        AC2739-AP
mnt-lower:      MAINT-CTCSCITECHLIMITED-HK
mnt-routes:     MAINT-CTCSCITECHLIMITED-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTCSCITECHLIMITED-HK
last-modified:  2023-09-18T22:47:54Z
source:         APNIC

irt:            IRT-CTCSCITECHLIMITED-HK
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2026-01-05
remarks:        [email protected] was validated on 2026-01-05
mnt-by:         MAINT-CTCSCITECHLIMITED-HK
last-modified:  2026-06-09T17:14:26Z
source:         APNIC

organisation:   ORG-CTL14-AP
org-name:       CTCSCI TECH LIMITED
org-type:       LIR
country:        HK
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong
phone:          +85259588341
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-05-08T13:15:50Z
source:         APNIC

role:           ABUSE CTCSCITECHLIMITEDHK
country:        ZZ
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
phone:          +000000000
e-mail:         [email protected]
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
nic-hdl:        AC2739-AP
remarks:        Generated from irt object IRT-CTCSCITECHLIMITED-HK
remarks:        [email protected] was validated on 2026-01-05
remarks:        [email protected] was validated on 2026-01-05
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-05T09:12:43Z
source:         APNIC

role:           CTCSCI TECH LIMITED administrator
address:        RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100
country:        HK
phone:          +85266881450
e-mail:         [email protected]
admin-c:        CTLA8-AP
tech-c:         CTLA8-AP
nic-hdl:        CTLA8-AP
mnt-by:         MAINT-CTCSCITECHLIMITED-HK
last-modified:  2023-09-25T15:13:59Z
abuse-mailbox:  [email protected]
source:         APNIC