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AS133929 TWOWIN CO., LIMITED

Hong Kong SAR China TWOWINCOLIMITED-AS-AP APNIC 73 IPv4 prefixes 2 IPv6 prefixes
IPv4 addresses
12,032
IPv6 /48 networks
2
RPKI
75 valid0 no ROA
Peers and downstreams
6

Holder

AS name
TWOWINCOLIMITED-AS-AP
Description
TWOWIN CO., LIMITED
Organisation
TWOWIN CO., LIMITED
Abuse contact
Not published
Assigned
2015-01-20
Registered
2015-01-21
Record last changed
2020-07-07 05:09 UTC
103.141.236.0/23103.141.236.0/24103.141.237.0/24103.143.160.0/23103.143.160.0/24103.143.161.0/24103.162.172.0/23103.162.172.0/24103.162.173.0/24103.163.154.0/24103.165.17.0/24103.165.80.0/24103.169.96.0/23103.169.96.0/24103.169.97.0/24103.180.24.0/24103.252.16.0/22103.252.16.0/23103.252.16.0/24103.252.17.0/24103.252.18.0/23103.252.18.0/24103.252.19.0/24103.48.140.0/22103.48.140.0/23103.48.140.0/24103.48.141.0/24103.48.142.0/23103.48.142.0/24103.48.143.0/24103.91.156.0/22103.91.156.0/23103.91.156.0/24103.91.157.0/24103.91.158.0/23103.91.158.0/24103.91.159.0/24103.99.72.0/22103.99.72.0/23103.99.72.0/24103.99.73.0/24103.99.74.0/23103.99.74.0/24103.99.75.0/24114.112.232.0/24123.253.44.0/22123.253.44.0/23123.253.44.0/24123.253.45.0/24123.253.46.0/23123.253.46.0/24123.253.47.0/24156.224.1.0/24162.128.108.0/24185.243.6.0/2443.225.59.0/2443.229.116.0/2243.229.116.0/2343.229.116.0/2443.229.117.0/2443.229.118.0/2343.229.118.0/2443.229.119.0/2445.200.104.0/2245.200.104.0/2345.200.104.0/2445.200.105.0/2445.200.106.0/2345.200.106.0/2445.200.107.0/2465.49.110.0/2365.49.110.0/2465.49.111.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS24482 SG.GS AS24482 · SG SG.GS AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS174 AS174 AS174 AS174 AS3257 GTT Communications Inc. AS3257 · US GTT Communications In… AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS8220 COLT Technology Services Group Limited AS8220 · GB COLT Technology Servi… AS13335 Cloudflare, Inc. AS13335 · US Cloudflare, Inc. AS9304 HGC Global Communications Limited AS9304 · HK HGC Global Communicat… AS21859 Zenlayer Inc AS21859 · US Zenlayer Inc AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED AS135391 · HK AOFEI DATA INTERNATIO… AS9729 iAdvantage Limited AS9729 · HK iAdvantage Limited AS133929 TWOWIN CO., LIMITED AS133929 · HK TWOWIN CO., LIMITED

Network health

Grade B · 85/100
pass Prefixes covered by valid ROAs
75 of 75 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
2 IPv6 prefixes.		 15/15
pass More than one upstream
7 upstreams seen in BGP.		 10/10
pass Working abuse contact
noc@fnetlink.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2020-07-07.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 16:56 UTCNeighbour gone AS134823 peer
2026-10-04 16:56 UTCNew neighbour AS8359 peer
2026-10-04 16:56 UTCRelationship changed AS4635 upstream to peer

WHOIS

aut-num:        AS133929
as-name:        TWOWINCOLIMITED-AS-AP
handle:         AS133929
remarks:        TWOWIN CO., LIMITED
abuse:          IRT-TWOWINCOLIMITED-HK (IRT-TWOWINCOLIMITED-HK) <noc@fnetlink.com>
registrant:     ORG-TCL4-AP (TWOWIN CO., LIMITED) <jimmyx@foxmail.com>
technical,administrative:TCLA5-AP (TWOWIN CO LIMITED administrator) <noc@fnetlink.com>
registration:   2015-01-21T14:33:57Z
last changed:   2020-07-07T05:09:18Z
source:         APNIC (RDAP)